From 75160b12821f7f4299cce7f0b69c83c1502ae071 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Mon, 27 May 2024 13:08:29 +0200
Subject: 2024-02-19 upstream

---
 vendor/paragonie/sodium_compat/lib/php72compat.php | 2804 ++++++++++----------
 1 file changed, 1435 insertions(+), 1369 deletions(-)

(limited to 'vendor/paragonie/sodium_compat/lib/php72compat.php')

diff --git a/vendor/paragonie/sodium_compat/lib/php72compat.php b/vendor/paragonie/sodium_compat/lib/php72compat.php
index c2b065f..e949dbd 100644
--- a/vendor/paragonie/sodium_compat/lib/php72compat.php
+++ b/vendor/paragonie/sodium_compat/lib/php72compat.php
@@ -1,1369 +1,1435 @@
-<?php
-
-require_once dirname(dirname(__FILE__)) . '/autoload.php';
-
-/**
- * This file will monkey patch the pure-PHP implementation in place of the
- * PECL functions and constants, but only if they do not already exist.
- *
- * Thus, the functions or constants just proxy to the appropriate
- * ParagonIE_Sodium_Compat method or class constant, respectively.
- */
-foreach (array(
-    'BASE64_VARIANT_ORIGINAL',
-    'BASE64_VARIANT_ORIGINAL_NO_PADDING',
-    'BASE64_VARIANT_URLSAFE',
-    'BASE64_VARIANT_URLSAFE_NO_PADDING',
-    'CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_ABYTES',
-    'CRYPTO_AEAD_AES256GCM_KEYBYTES',
-    'CRYPTO_AEAD_AES256GCM_NSECBYTES',
-    'CRYPTO_AEAD_AES256GCM_NPUBBYTES',
-    'CRYPTO_AEAD_AES256GCM_ABYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES',
-    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES',
-    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES',
-    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES',
-    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES',
-    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES',
-    'CRYPTO_AUTH_BYTES',
-    'CRYPTO_AUTH_KEYBYTES',
-    'CRYPTO_BOX_SEALBYTES',
-    'CRYPTO_BOX_SECRETKEYBYTES',
-    'CRYPTO_BOX_PUBLICKEYBYTES',
-    'CRYPTO_BOX_KEYPAIRBYTES',
-    'CRYPTO_BOX_MACBYTES',
-    'CRYPTO_BOX_NONCEBYTES',
-    'CRYPTO_BOX_SEEDBYTES',
-    'CRYPTO_KDF_BYTES_MIN',
-    'CRYPTO_KDF_BYTES_MAX',
-    'CRYPTO_KDF_CONTEXTBYTES',
-    'CRYPTO_KDF_KEYBYTES',
-    'CRYPTO_KX_BYTES',
-    'CRYPTO_KX_KEYPAIRBYTES',
-    'CRYPTO_KX_PRIMITIVE',
-    'CRYPTO_KX_SEEDBYTES',
-    'CRYPTO_KX_PUBLICKEYBYTES',
-    'CRYPTO_KX_SECRETKEYBYTES',
-    'CRYPTO_KX_SESSIONKEYBYTES',
-    'CRYPTO_GENERICHASH_BYTES',
-    'CRYPTO_GENERICHASH_BYTES_MIN',
-    'CRYPTO_GENERICHASH_BYTES_MAX',
-    'CRYPTO_GENERICHASH_KEYBYTES',
-    'CRYPTO_GENERICHASH_KEYBYTES_MIN',
-    'CRYPTO_GENERICHASH_KEYBYTES_MAX',
-    'CRYPTO_PWHASH_SALTBYTES',
-    'CRYPTO_PWHASH_STRPREFIX',
-    'CRYPTO_PWHASH_ALG_ARGON2I13',
-    'CRYPTO_PWHASH_ALG_ARGON2ID13',
-    'CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE',
-    'CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE',
-    'CRYPTO_PWHASH_MEMLIMIT_MODERATE',
-    'CRYPTO_PWHASH_OPSLIMIT_MODERATE',
-    'CRYPTO_PWHASH_MEMLIMIT_SENSITIVE',
-    'CRYPTO_PWHASH_OPSLIMIT_SENSITIVE',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE',
-    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE',
-    'CRYPTO_SCALARMULT_BYTES',
-    'CRYPTO_SCALARMULT_SCALARBYTES',
-    'CRYPTO_SHORTHASH_BYTES',
-    'CRYPTO_SHORTHASH_KEYBYTES',
-    'CRYPTO_SECRETBOX_KEYBYTES',
-    'CRYPTO_SECRETBOX_MACBYTES',
-    'CRYPTO_SECRETBOX_NONCEBYTES',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL',
-    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX',
-    'CRYPTO_SIGN_BYTES',
-    'CRYPTO_SIGN_SEEDBYTES',
-    'CRYPTO_SIGN_PUBLICKEYBYTES',
-    'CRYPTO_SIGN_SECRETKEYBYTES',
-    'CRYPTO_SIGN_KEYPAIRBYTES',
-    'CRYPTO_STREAM_KEYBYTES',
-    'CRYPTO_STREAM_NONCEBYTES',
-    'CRYPTO_STREAM_XCHACHA20_KEYBYTES',
-    'CRYPTO_STREAM_XCHACHA20_NONCEBYTES',
-    'LIBRARY_MAJOR_VERSION',
-    'LIBRARY_MINOR_VERSION',
-    'LIBRARY_VERSION_MAJOR',
-    'LIBRARY_VERSION_MINOR',
-    'VERSION_STRING'
-    ) as $constant
-) {
-    if (!defined("SODIUM_$constant") && defined("ParagonIE_Sodium_Compat::$constant")) {
-        define("SODIUM_$constant", constant("ParagonIE_Sodium_Compat::$constant"));
-    }
-}
-if (!is_callable('sodium_add')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::add()
-     * @param string $val
-     * @param string $addv
-     * @return void
-     * @throws SodiumException
-     */
-    function sodium_add(&$val, $addv)
-    {
-        ParagonIE_Sodium_Compat::add($val, $addv);
-    }
-}
-if (!is_callable('sodium_base642bin')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::bin2base64()
-     * @param string $string
-     * @param int $variant
-     * @param string $ignore
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_base642bin($string, $variant, $ignore ='')
-    {
-        return ParagonIE_Sodium_Compat::base642bin($string, $variant, $ignore);
-    }
-}
-if (!is_callable('sodium_bin2base64')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::bin2base64()
-     * @param string $string
-     * @param int $variant
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_bin2base64($string, $variant)
-    {
-        return ParagonIE_Sodium_Compat::bin2base64($string, $variant);
-    }
-}
-if (!is_callable('sodium_bin2hex')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::hex2bin()
-     * @param string $string
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_bin2hex($string)
-    {
-        return ParagonIE_Sodium_Compat::bin2hex($string);
-    }
-}
-if (!is_callable('sodium_compare')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::compare()
-     * @param string $a
-     * @param string $b
-     * @return int
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_compare($a, $b)
-    {
-        return ParagonIE_Sodium_Compat::compare($a, $b);
-    }
-}
-if (!is_callable('sodium_crypto_aead_aes256gcm_decrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string|bool
-     */
-    function sodium_crypto_aead_aes256gcm_decrypt($message, $assocData, $nonce, $key)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt($message, $assocData, $nonce, $key);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_aead_aes256gcm_encrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_aead_aes256gcm_encrypt($message, $assocData, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt($message, $assocData, $nonce, $key);
-    }
-}
-if (!is_callable('sodium_crypto_aead_aes256gcm_is_available')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available()
-     * @return bool
-     */
-    function sodium_crypto_aead_aes256gcm_is_available()
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available();
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_decrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string|bool
-     */
-    function sodium_crypto_aead_chacha20poly1305_decrypt($message, $assocData, $nonce, $key)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt($message, $assocData, $nonce, $key);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_encrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_aead_chacha20poly1305_encrypt($message, $assocData, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt($message, $assocData, $nonce, $key);
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_aead_chacha20poly1305_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_decrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string|bool
-     */
-    function sodium_crypto_aead_chacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_encrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_aead_chacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key);
-    }
-}
-if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_aead_chacha20poly1305_ietf_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string|bool
-     */
-    function sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt($message, $assocData, $nonce, $key, true);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt()
-     * @param string $message
-     * @param string $assocData
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_aead_xchacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt($message, $assocData, $nonce, $key, true);
-    }
-}
-if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_aead_xchacha20poly1305_ietf_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_auth')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_auth()
-     * @param string $message
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_auth($message, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_auth($message, $key);
-    }
-}
-if (!is_callable('sodium_crypto_auth_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_auth_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_auth_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_auth_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_auth_verify')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_auth_verify()
-     * @param string $mac
-     * @param string $message
-     * @param string $key
-     * @return bool
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_auth_verify($mac, $message, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_auth_verify($mac, $message, $key);
-    }
-}
-if (!is_callable('sodium_crypto_box')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box()
-     * @param string $message
-     * @param string $nonce
-     * @param string $kp
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box($message, $nonce, $kp)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box($message, $nonce, $kp);
-    }
-}
-if (!is_callable('sodium_crypto_box_keypair')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_keypair()
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_keypair()
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_keypair();
-    }
-}
-if (!is_callable('sodium_crypto_box_keypair_from_secretkey_and_publickey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey()
-     * @param string $sk
-     * @param string $pk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_keypair_from_secretkey_and_publickey($sk, $pk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey($sk, $pk);
-    }
-}
-if (!is_callable('sodium_crypto_box_open')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_open()
-     * @param string $message
-     * @param string $nonce
-     * @param string $kp
-     * @return string|bool
-     */
-    function sodium_crypto_box_open($message, $nonce, $kp)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_box_open($message, $nonce, $kp);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_box_publickey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_publickey()
-     * @param string $keypair
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_publickey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_publickey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_box_publickey_from_secretkey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey()
-     * @param string $sk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_publickey_from_secretkey($sk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey($sk);
-    }
-}
-if (!is_callable('sodium_crypto_box_seal')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_seal()
-     * @param string $message
-     * @param string $publicKey
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_seal($message, $publicKey)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_seal($message, $publicKey);
-    }
-}
-if (!is_callable('sodium_crypto_box_seal_open')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_seal_open()
-     * @param string $message
-     * @param string $kp
-     * @return string|bool
-     * @throws SodiumException
-     */
-    function sodium_crypto_box_seal_open($message, $kp)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_box_seal_open($message, $kp);
-        } catch (SodiumException $ex) {
-            if ($ex->getMessage() === 'Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.') {
-                throw $ex;
-            }
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_box_secretkey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_secretkey()
-     * @param string $keypair
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_secretkey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_secretkey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_box_seed_keypair')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_box_seed_keypair()
-     * @param string $seed
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_box_seed_keypair($seed)
-    {
-        return ParagonIE_Sodium_Compat::crypto_box_seed_keypair($seed);
-    }
-}
-if (!is_callable('sodium_crypto_generichash')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_generichash()
-     * @param string $message
-     * @param string|null $key
-     * @param int $outLen
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_generichash($message, $key = null, $outLen = 32)
-    {
-        return ParagonIE_Sodium_Compat::crypto_generichash($message, $key, $outLen);
-    }
-}
-if (!is_callable('sodium_crypto_generichash_final')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_generichash_final()
-     * @param string|null $ctx
-     * @param int $outputLength
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_generichash_final(&$ctx, $outputLength = 32)
-    {
-        return ParagonIE_Sodium_Compat::crypto_generichash_final($ctx, $outputLength);
-    }
-}
-if (!is_callable('sodium_crypto_generichash_init')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_generichash_init()
-     * @param string|null $key
-     * @param int $outLen
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_generichash_init($key = null, $outLen = 32)
-    {
-        return ParagonIE_Sodium_Compat::crypto_generichash_init($key, $outLen);
-    }
-}
-if (!is_callable('sodium_crypto_generichash_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_generichash_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_generichash_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_generichash_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_generichash_update')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_generichash_update()
-     * @param string|null $ctx
-     * @param string $message
-     * @return void
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_generichash_update(&$ctx, $message = '')
-    {
-        ParagonIE_Sodium_Compat::crypto_generichash_update($ctx, $message);
-    }
-}
-if (!is_callable('sodium_crypto_kdf_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_kdf_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kdf_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_kdf_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_kdf_derive_from_key')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key()
-     * @param int $subkey_len
-     * @param int $subkey_id
-     * @param string $context
-     * @param string $key
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kdf_derive_from_key($subkey_len, $subkey_id, $context, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key(
-            $subkey_len,
-            $subkey_id,
-            $context,
-            $key
-        );
-    }
-}
-if (!is_callable('sodium_crypto_kx')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_kx()
-     * @param string $my_secret
-     * @param string $their_public
-     * @param string $client_public
-     * @param string $server_public
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_kx($my_secret, $their_public, $client_public, $server_public)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx(
-            $my_secret,
-            $their_public,
-            $client_public,
-            $server_public
-        );
-    }
-}
-if (!is_callable('sodium_crypto_kx_seed_keypair')) {
-    /**
-     * @param string $seed
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kx_seed_keypair($seed)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_seed_keypair($seed);
-    }
-}
-if (!is_callable('sodium_crypto_kx_keypair')) {
-    /**
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kx_keypair()
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_keypair();
-    }
-}
-if (!is_callable('sodium_crypto_kx_client_session_keys')) {
-    /**
-     * @param string $keypair
-     * @param string $serverPublicKey
-     * @return array{0: string, 1: string}
-     * @throws SodiumException
-     */
-    function sodium_crypto_kx_client_session_keys($keypair, $serverPublicKey)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_client_session_keys($keypair, $serverPublicKey);
-    }
-}
-if (!is_callable('sodium_crypto_kx_server_session_keys')) {
-    /**
-     * @param string $keypair
-     * @param string $clientPublicKey
-     * @return array{0: string, 1: string}
-     * @throws SodiumException
-     */
-    function sodium_crypto_kx_server_session_keys($keypair, $clientPublicKey)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_server_session_keys($keypair, $clientPublicKey);
-    }
-}
-if (!is_callable('sodium_crypto_kx_secretkey')) {
-    /**
-     * @param string $keypair
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kx_secretkey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_secretkey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_kx_publickey')) {
-    /**
-     * @param string $keypair
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_kx_publickey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_kx_publickey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash()
-     * @param int $outlen
-     * @param string $passwd
-     * @param string $salt
-     * @param int $opslimit
-     * @param int $memlimit
-     * @param int|null $algo
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $algo = null)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $algo);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_str')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str()
-     * @param string $passwd
-     * @param int $opslimit
-     * @param int $memlimit
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_str($passwd, $opslimit, $memlimit);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_str_needs_rehash')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash()
-     * @param string $hash
-     * @param int $opslimit
-     * @param int $memlimit
-     * @return bool
-     *
-     * @throws SodiumException
-     */
-    function sodium_crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_str_verify')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_verify()
-     * @param string $passwd
-     * @param string $hash
-     * @return bool
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash_str_verify($passwd, $hash)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_str_verify($passwd, $hash);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256()
-     * @param int $outlen
-     * @param string $passwd
-     * @param string $salt
-     * @param int $opslimit
-     * @param int $memlimit
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str()
-     * @param string $passwd
-     * @param int $opslimit
-     * @param int $memlimit
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit);
-    }
-}
-if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str_verify')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify()
-     * @param string $passwd
-     * @param string $hash
-     * @return bool
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
-    {
-        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash);
-    }
-}
-if (!is_callable('sodium_crypto_scalarmult')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_scalarmult()
-     * @param string $n
-     * @param string $p
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_scalarmult($n, $p)
-    {
-        return ParagonIE_Sodium_Compat::crypto_scalarmult($n, $p);
-    }
-}
-if (!is_callable('sodium_crypto_scalarmult_base')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_base()
-     * @param string $n
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_scalarmult_base($n)
-    {
-        return ParagonIE_Sodium_Compat::crypto_scalarmult_base($n);
-    }
-}
-if (!is_callable('sodium_crypto_secretbox')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_secretbox()
-     * @param string $message
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_secretbox($message, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretbox($message, $nonce, $key);
-    }
-}
-if (!is_callable('sodium_crypto_secretbox_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_secretbox_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_secretbox_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretbox_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_secretbox_open')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_secretbox_open()
-     * @param string $message
-     * @param string $nonce
-     * @param string $key
-     * @return string|bool
-     */
-    function sodium_crypto_secretbox_open($message, $nonce, $key)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_secretbox_open($message, $nonce, $key);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_push')) {
-    /**
-     * @param string $key
-     * @return array<int, string>
-     * @throws SodiumException
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_init_push($key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_push($key);
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_push')) {
-    /**
-     * @param string $state
-     * @param string $msg
-     * @param string $aad
-     * @param int $tag
-     * @return string
-     * @throws SodiumException
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0)
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_push($state, $msg, $aad, $tag);
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_pull')) {
-    /**
-     * @param string $header
-     * @param string $key
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_init_pull($header, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_pull($header, $key);
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_pull')) {
-    /**
-     * @param string $state
-     * @param string $cipher
-     * @param string $aad
-     * @return bool|array{0: string, 1: int}
-     * @throws SodiumException
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '')
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_pull($state, $cipher, $aad);
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_rekey')) {
-    /**
-     * @param string $state
-     * @return void
-     * @throws SodiumException
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_rekey(&$state)
-    {
-        ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_rekey($state);
-    }
-}
-if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_keygen')) {
-    /**
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_secretstream_xchacha20poly1305_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_shorthash')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_shorthash()
-     * @param string $message
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_shorthash($message, $key = '')
-    {
-        return ParagonIE_Sodium_Compat::crypto_shorthash($message, $key);
-    }
-}
-if (!is_callable('sodium_crypto_shorthash_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_shorthash_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_shorthash_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_shorthash_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_sign')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign()
-     * @param string $message
-     * @param string $sk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign($message, $sk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign($message, $sk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_detached')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_detached()
-     * @param string $message
-     * @param string $sk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_detached($message, $sk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_detached($message, $sk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_keypair_from_secretkey_and_publickey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()
-     * @param string $sk
-     * @param string $pk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_keypair')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair()
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_keypair()
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_keypair();
-    }
-}
-if (!is_callable('sodium_crypto_sign_open')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_open()
-     * @param string $signedMessage
-     * @param string $pk
-     * @return string|bool
-     */
-    function sodium_crypto_sign_open($signedMessage, $pk)
-    {
-        try {
-            return ParagonIE_Sodium_Compat::crypto_sign_open($signedMessage, $pk);
-        } catch (Error $ex) {
-            return false;
-        } catch (Exception $ex) {
-            return false;
-        }
-    }
-}
-if (!is_callable('sodium_crypto_sign_publickey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey()
-     * @param string $keypair
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_publickey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_publickey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_sign_publickey_from_secretkey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()
-     * @param string $sk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_publickey_from_secretkey($sk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey($sk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_secretkey')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_secretkey()
-     * @param string $keypair
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_secretkey($keypair)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_secretkey($keypair);
-    }
-}
-if (!is_callable('sodium_crypto_sign_seed_keypair')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_seed_keypair()
-     * @param string $seed
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_seed_keypair($seed)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_seed_keypair($seed);
-    }
-}
-if (!is_callable('sodium_crypto_sign_verify_detached')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_verify_detached()
-     * @param string $signature
-     * @param string $message
-     * @param string $pk
-     * @return bool
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_verify_detached($signature, $message, $pk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_verify_detached($signature, $message, $pk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_ed25519_pk_to_curve25519')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519()
-     * @param string $pk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_ed25519_pk_to_curve25519($pk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519($pk);
-    }
-}
-if (!is_callable('sodium_crypto_sign_ed25519_sk_to_curve25519')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519()
-     * @param string $sk
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_sign_ed25519_sk_to_curve25519($sk)
-    {
-        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519($sk);
-    }
-}
-if (!is_callable('sodium_crypto_stream')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_stream()
-     * @param int $len
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_stream($len, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_stream($len, $nonce, $key);
-    }
-}
-if (!is_callable('sodium_crypto_stream_keygen')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_stream_keygen()
-     * @return string
-     * @throws Exception
-     */
-    function sodium_crypto_stream_keygen()
-    {
-        return ParagonIE_Sodium_Compat::crypto_stream_keygen();
-    }
-}
-if (!is_callable('sodium_crypto_stream_xor')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::crypto_stream_xor()
-     * @param string $message
-     * @param string $nonce
-     * @param string $key
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_crypto_stream_xor($message, $nonce, $key)
-    {
-        return ParagonIE_Sodium_Compat::crypto_stream_xor($message, $nonce, $key);
-    }
-}
-require_once dirname(__FILE__) . '/stream-xchacha20.php';
-if (!is_callable('sodium_hex2bin')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::hex2bin()
-     * @param string $string
-     * @return string
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_hex2bin($string)
-    {
-        return ParagonIE_Sodium_Compat::hex2bin($string);
-    }
-}
-if (!is_callable('sodium_increment')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::increment()
-     * @param string $string
-     * @return void
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_increment(&$string)
-    {
-        ParagonIE_Sodium_Compat::increment($string);
-    }
-}
-if (!is_callable('sodium_library_version_major')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::library_version_major()
-     * @return int
-     */
-    function sodium_library_version_major()
-    {
-        return ParagonIE_Sodium_Compat::library_version_major();
-    }
-}
-if (!is_callable('sodium_library_version_minor')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::library_version_minor()
-     * @return int
-     */
-    function sodium_library_version_minor()
-    {
-        return ParagonIE_Sodium_Compat::library_version_minor();
-    }
-}
-if (!is_callable('sodium_version_string')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::version_string()
-     * @return string
-     */
-    function sodium_version_string()
-    {
-        return ParagonIE_Sodium_Compat::version_string();
-    }
-}
-if (!is_callable('sodium_memcmp')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::memcmp()
-     * @param string $a
-     * @param string $b
-     * @return int
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_memcmp($a, $b)
-    {
-        return ParagonIE_Sodium_Compat::memcmp($a, $b);
-    }
-}
-if (!is_callable('sodium_memzero')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::memzero()
-     * @param string $str
-     * @return void
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_memzero(&$str)
-    {
-        ParagonIE_Sodium_Compat::memzero($str);
-    }
-}
-if (!is_callable('sodium_pad')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::pad()
-     * @param string $unpadded
-     * @param int $blockSize
-     * @return int
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_pad($unpadded, $blockSize)
-    {
-        return ParagonIE_Sodium_Compat::pad($unpadded, $blockSize, true);
-    }
-}
-if (!is_callable('sodium_unpad')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::pad()
-     * @param string $padded
-     * @param int $blockSize
-     * @return int
-     * @throws SodiumException
-     * @throws TypeError
-     */
-    function sodium_unpad($padded, $blockSize)
-    {
-        return ParagonIE_Sodium_Compat::unpad($padded, $blockSize, true);
-    }
-}
-if (!is_callable('sodium_randombytes_buf')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::randombytes_buf()
-     * @param int $amount
-     * @return string
-     * @throws Exception
-     */
-    function sodium_randombytes_buf($amount)
-    {
-        return ParagonIE_Sodium_Compat::randombytes_buf($amount);
-    }
-}
-
-if (!is_callable('sodium_randombytes_uniform')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::randombytes_uniform()
-     * @param int $upperLimit
-     * @return int
-     * @throws Exception
-     */
-    function sodium_randombytes_uniform($upperLimit)
-    {
-        return ParagonIE_Sodium_Compat::randombytes_uniform($upperLimit);
-    }
-}
-
-if (!is_callable('sodium_randombytes_random16')) {
-    /**
-     * @see ParagonIE_Sodium_Compat::randombytes_random16()
-     * @return int
-     * @throws Exception
-     */
-    function sodium_randombytes_random16()
-    {
-        return ParagonIE_Sodium_Compat::randombytes_random16();
-    }
-}
+<?php
+
+require_once dirname(dirname(__FILE__)) . '/autoload.php';
+
+/**
+ * This file will monkey patch the pure-PHP implementation in place of the
+ * PECL functions and constants, but only if they do not already exist.
+ *
+ * Thus, the functions or constants just proxy to the appropriate
+ * ParagonIE_Sodium_Compat method or class constant, respectively.
+ */
+foreach (array(
+    'BASE64_VARIANT_ORIGINAL',
+    'BASE64_VARIANT_ORIGINAL_NO_PADDING',
+    'BASE64_VARIANT_URLSAFE',
+    'BASE64_VARIANT_URLSAFE_NO_PADDING',
+    'CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_ABYTES',
+    'CRYPTO_AEAD_AES256GCM_KEYBYTES',
+    'CRYPTO_AEAD_AES256GCM_NSECBYTES',
+    'CRYPTO_AEAD_AES256GCM_NPUBBYTES',
+    'CRYPTO_AEAD_AES256GCM_ABYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES',
+    'CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES',
+    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES',
+    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES',
+    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES',
+    'CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES',
+    'CRYPTO_AUTH_BYTES',
+    'CRYPTO_AUTH_KEYBYTES',
+    'CRYPTO_BOX_SEALBYTES',
+    'CRYPTO_BOX_SECRETKEYBYTES',
+    'CRYPTO_BOX_PUBLICKEYBYTES',
+    'CRYPTO_BOX_KEYPAIRBYTES',
+    'CRYPTO_BOX_MACBYTES',
+    'CRYPTO_BOX_NONCEBYTES',
+    'CRYPTO_BOX_SEEDBYTES',
+    'CRYPTO_KDF_BYTES_MIN',
+    'CRYPTO_KDF_BYTES_MAX',
+    'CRYPTO_KDF_CONTEXTBYTES',
+    'CRYPTO_KDF_KEYBYTES',
+    'CRYPTO_KX_BYTES',
+    'CRYPTO_KX_KEYPAIRBYTES',
+    'CRYPTO_KX_PRIMITIVE',
+    'CRYPTO_KX_SEEDBYTES',
+    'CRYPTO_KX_PUBLICKEYBYTES',
+    'CRYPTO_KX_SECRETKEYBYTES',
+    'CRYPTO_KX_SESSIONKEYBYTES',
+    'CRYPTO_GENERICHASH_BYTES',
+    'CRYPTO_GENERICHASH_BYTES_MIN',
+    'CRYPTO_GENERICHASH_BYTES_MAX',
+    'CRYPTO_GENERICHASH_KEYBYTES',
+    'CRYPTO_GENERICHASH_KEYBYTES_MIN',
+    'CRYPTO_GENERICHASH_KEYBYTES_MAX',
+    'CRYPTO_PWHASH_SALTBYTES',
+    'CRYPTO_PWHASH_STRPREFIX',
+    'CRYPTO_PWHASH_ALG_ARGON2I13',
+    'CRYPTO_PWHASH_ALG_ARGON2ID13',
+    'CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE',
+    'CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE',
+    'CRYPTO_PWHASH_MEMLIMIT_MODERATE',
+    'CRYPTO_PWHASH_OPSLIMIT_MODERATE',
+    'CRYPTO_PWHASH_MEMLIMIT_SENSITIVE',
+    'CRYPTO_PWHASH_OPSLIMIT_SENSITIVE',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE',
+    'CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE',
+    'CRYPTO_SCALARMULT_BYTES',
+    'CRYPTO_SCALARMULT_SCALARBYTES',
+    'CRYPTO_SHORTHASH_BYTES',
+    'CRYPTO_SHORTHASH_KEYBYTES',
+    'CRYPTO_SECRETBOX_KEYBYTES',
+    'CRYPTO_SECRETBOX_MACBYTES',
+    'CRYPTO_SECRETBOX_NONCEBYTES',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL',
+    'CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX',
+    'CRYPTO_SIGN_BYTES',
+    'CRYPTO_SIGN_SEEDBYTES',
+    'CRYPTO_SIGN_PUBLICKEYBYTES',
+    'CRYPTO_SIGN_SECRETKEYBYTES',
+    'CRYPTO_SIGN_KEYPAIRBYTES',
+    'CRYPTO_STREAM_KEYBYTES',
+    'CRYPTO_STREAM_NONCEBYTES',
+    'CRYPTO_STREAM_XCHACHA20_KEYBYTES',
+    'CRYPTO_STREAM_XCHACHA20_NONCEBYTES',
+    'LIBRARY_MAJOR_VERSION',
+    'LIBRARY_MINOR_VERSION',
+    'LIBRARY_VERSION_MAJOR',
+    'LIBRARY_VERSION_MINOR',
+    'VERSION_STRING'
+    ) as $constant
+) {
+    if (!defined("SODIUM_$constant") && defined("ParagonIE_Sodium_Compat::$constant")) {
+        define("SODIUM_$constant", constant("ParagonIE_Sodium_Compat::$constant"));
+    }
+}
+if (!is_callable('sodium_add')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::add()
+     * @param string $string1
+     * @param string $string2
+     * @return void
+     * @throws SodiumException
+     */
+    function sodium_add(&$string1, $string2)
+    {
+        ParagonIE_Sodium_Compat::add($string1, $string2);
+    }
+}
+if (!is_callable('sodium_base642bin')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::bin2base64()
+     * @param string $string
+     * @param int $variant
+     * @param string $ignore
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_base642bin($string, $variant, $ignore ='')
+    {
+        return ParagonIE_Sodium_Compat::base642bin($string, $variant, $ignore);
+    }
+}
+if (!is_callable('sodium_bin2base64')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::bin2base64()
+     * @param string $string
+     * @param int $variant
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_bin2base64($string, $variant)
+    {
+        return ParagonIE_Sodium_Compat::bin2base64($string, $variant);
+    }
+}
+if (!is_callable('sodium_bin2hex')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::hex2bin()
+     * @param string $string
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_bin2hex($string)
+    {
+        return ParagonIE_Sodium_Compat::bin2hex($string);
+    }
+}
+if (!is_callable('sodium_compare')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::compare()
+     * @param string $string1
+     * @param string $string2
+     * @return int
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_compare($string1, $string2)
+    {
+        return ParagonIE_Sodium_Compat::compare($string1, $string2);
+    }
+}
+if (!is_callable('sodium_crypto_aead_aes256gcm_decrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt()
+     * @param string $ciphertext
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string|bool
+     */
+    function sodium_crypto_aead_aes256gcm_decrypt($ciphertext, $additional_data, $nonce, $key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_decrypt(
+                $ciphertext,
+                $additional_data,
+                $nonce,
+                $key
+            );
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            if (($ex instanceof SodiumException) && ($ex->getMessage() === 'AES-256-GCM is not available')) {
+                throw $ex;
+            }
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_aead_aes256gcm_encrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt()
+     * @param string $message
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_aead_aes256gcm_encrypt($message, $additional_data, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_encrypt($message, $additional_data, $nonce, $key);
+    }
+}
+if (!is_callable('sodium_crypto_aead_aes256gcm_is_available')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available()
+     * @return bool
+     */
+    function sodium_crypto_aead_aes256gcm_is_available()
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available();
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_decrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt()
+     * @param string $ciphertext
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string|bool
+     */
+    function sodium_crypto_aead_chacha20poly1305_decrypt($ciphertext, $additional_data, $nonce, $key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_decrypt(
+                $ciphertext,
+                $additional_data,
+                $nonce,
+                $key
+            );
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_encrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt()
+     * @param string $message
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_aead_chacha20poly1305_encrypt($message, $additional_data, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_encrypt(
+            $message,
+            $additional_data,
+            $nonce,
+            $key
+        );
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_aead_chacha20poly1305_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_decrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt()
+     * @param string $message
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string|bool
+     */
+    function sodium_crypto_aead_chacha20poly1305_ietf_decrypt($message, $additional_data, $nonce, $key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_decrypt(
+                $message,
+                $additional_data,
+                $nonce,
+                $key
+            );
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_encrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt()
+     * @param string $message
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_aead_chacha20poly1305_ietf_encrypt($message, $additional_data, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_encrypt(
+            $message,
+            $additional_data,
+            $nonce,
+            $key
+        );
+    }
+}
+if (!is_callable('sodium_crypto_aead_chacha20poly1305_ietf_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_aead_chacha20poly1305_ietf_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_chacha20poly1305_ietf_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt()
+     * @param string $ciphertext
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string|bool
+     */
+    function sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($ciphertext, $additional_data, $nonce, $key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_decrypt(
+                $ciphertext,
+                $additional_data,
+                $nonce,
+                $key,
+                true
+            );
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt()
+     * @param string $message
+     * @param string $additional_data
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_aead_xchacha20poly1305_ietf_encrypt(
+        $message,
+        $additional_data,
+        $nonce,
+        $key
+    ) {
+        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_encrypt(
+            $message,
+            $additional_data,
+            $nonce,
+            $key,
+            true
+        );
+    }
+}
+if (!is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_aead_xchacha20poly1305_ietf_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_ietf_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_auth')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_auth()
+     * @param string $message
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_auth($message, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_auth($message, $key);
+    }
+}
+if (!is_callable('sodium_crypto_auth_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_auth_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_auth_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_auth_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_auth_verify')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_auth_verify()
+     * @param string $mac
+     * @param string $message
+     * @param string $key
+     * @return bool
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_auth_verify($mac, $message, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_auth_verify($mac, $message, $key);
+    }
+}
+if (!is_callable('sodium_crypto_box')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box()
+     * @param string $message
+     * @param string $nonce
+     * @param string $key_pair
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box($message, $nonce, $key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box($message, $nonce, $key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_box_keypair')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_keypair()
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_keypair()
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_keypair();
+    }
+}
+if (!is_callable('sodium_crypto_box_keypair_from_secretkey_and_publickey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey()
+     * @param string $secret_key
+     * @param string $public_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_keypair_from_secretkey_and_publickey($secret_key, $public_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey($secret_key, $public_key);
+    }
+}
+if (!is_callable('sodium_crypto_box_open')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_open()
+     * @param string $ciphertext
+     * @param string $nonce
+     * @param string $key_pair
+     * @return string|bool
+     */
+    function sodium_crypto_box_open($ciphertext, $nonce, $key_pair)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_box_open($ciphertext, $nonce, $key_pair);
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_box_publickey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_publickey()
+     * @param string $key_pair
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_publickey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_publickey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_box_publickey_from_secretkey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey()
+     * @param string $secret_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_publickey_from_secretkey($secret_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey($secret_key);
+    }
+}
+if (!is_callable('sodium_crypto_box_seal')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_seal()
+     * @param string $message
+     * @param string $public_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_seal($message, $public_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_seal($message, $public_key);
+    }
+}
+if (!is_callable('sodium_crypto_box_seal_open')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_seal_open()
+     * @param string $message
+     * @param string $key_pair
+     * @return string|bool
+     * @throws SodiumException
+     */
+    function sodium_crypto_box_seal_open($message, $key_pair)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_box_seal_open($message, $key_pair);
+        } catch (SodiumException $ex) {
+            if ($ex->getMessage() === 'Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.') {
+                throw $ex;
+            }
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_box_secretkey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_secretkey()
+     * @param string $key_pair
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_secretkey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_secretkey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_box_seed_keypair')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_box_seed_keypair()
+     * @param string $seed
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_box_seed_keypair($seed)
+    {
+        return ParagonIE_Sodium_Compat::crypto_box_seed_keypair($seed);
+    }
+}
+if (!is_callable('sodium_crypto_generichash')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_generichash()
+     * @param string $message
+     * @param string|null $key
+     * @param int $length
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_generichash($message, $key = null, $length = 32)
+    {
+        return ParagonIE_Sodium_Compat::crypto_generichash($message, $key, $length);
+    }
+}
+if (!is_callable('sodium_crypto_generichash_final')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_generichash_final()
+     * @param string|null $state
+     * @param int $outputLength
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_generichash_final(&$state, $outputLength = 32)
+    {
+        return ParagonIE_Sodium_Compat::crypto_generichash_final($state, $outputLength);
+    }
+}
+if (!is_callable('sodium_crypto_generichash_init')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_generichash_init()
+     * @param string|null $key
+     * @param int $length
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_generichash_init($key = null, $length = 32)
+    {
+        return ParagonIE_Sodium_Compat::crypto_generichash_init($key, $length);
+    }
+}
+if (!is_callable('sodium_crypto_generichash_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_generichash_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_generichash_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_generichash_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_generichash_update')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_generichash_update()
+     * @param string|null $state
+     * @param string $message
+     * @return void
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_generichash_update(&$state, $message = '')
+    {
+        ParagonIE_Sodium_Compat::crypto_generichash_update($state, $message);
+    }
+}
+if (!is_callable('sodium_crypto_kdf_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_kdf_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kdf_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_kdf_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_kdf_derive_from_key')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key()
+     * @param int $subkey_length
+     * @param int $subkey_id
+     * @param string $context
+     * @param string $key
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kdf_derive_from_key($subkey_length, $subkey_id, $context, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key(
+            $subkey_length,
+            $subkey_id,
+            $context,
+            $key
+        );
+    }
+}
+if (!is_callable('sodium_crypto_kx')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_kx()
+     * @param string $my_secret
+     * @param string $their_public
+     * @param string $client_public
+     * @param string $server_public
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_kx($my_secret, $their_public, $client_public, $server_public)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx(
+            $my_secret,
+            $their_public,
+            $client_public,
+            $server_public
+        );
+    }
+}
+if (!is_callable('sodium_crypto_kx_seed_keypair')) {
+    /**
+     * @param string $seed
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kx_seed_keypair($seed)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_seed_keypair($seed);
+    }
+}
+if (!is_callable('sodium_crypto_kx_keypair')) {
+    /**
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kx_keypair()
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_keypair();
+    }
+}
+if (!is_callable('sodium_crypto_kx_client_session_keys')) {
+    /**
+     * @param string $client_key_pair
+     * @param string $server_key
+     * @return array{0: string, 1: string}
+     * @throws SodiumException
+     */
+    function sodium_crypto_kx_client_session_keys($client_key_pair, $server_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_client_session_keys($client_key_pair, $server_key);
+    }
+}
+if (!is_callable('sodium_crypto_kx_server_session_keys')) {
+    /**
+     * @param string $server_key_pair
+     * @param string $client_key
+     * @return array{0: string, 1: string}
+     * @throws SodiumException
+     */
+    function sodium_crypto_kx_server_session_keys($server_key_pair, $client_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_server_session_keys($server_key_pair, $client_key);
+    }
+}
+if (!is_callable('sodium_crypto_kx_secretkey')) {
+    /**
+     * @param string $key_pair
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kx_secretkey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_secretkey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_kx_publickey')) {
+    /**
+     * @param string $key_pair
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_kx_publickey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_kx_publickey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash()
+     * @param int $length
+     * @param string $passwd
+     * @param string $salt
+     * @param int $opslimit
+     * @param int $memlimit
+     * @param int|null $algo
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash($length, $passwd, $salt, $opslimit, $memlimit, $algo = null)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash($length, $passwd, $salt, $opslimit, $memlimit, $algo);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_str')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str()
+     * @param string $passwd
+     * @param int $opslimit
+     * @param int $memlimit
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_str($passwd, $opslimit, $memlimit);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_str_needs_rehash')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash()
+     * @param string $hash
+     * @param int $opslimit
+     * @param int $memlimit
+     * @return bool
+     *
+     * @throws SodiumException
+     */
+    function sodium_crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_str_verify')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_str_verify()
+     * @param string $passwd
+     * @param string $hash
+     * @return bool
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash_str_verify($passwd, $hash)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_str_verify($passwd, $hash);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256()
+     * @param int $length
+     * @param string $passwd
+     * @param string $salt
+     * @param int $opslimit
+     * @param int $memlimit
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash_scryptsalsa208sha256($length, $passwd, $salt, $opslimit, $memlimit)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256(
+            $length,
+            $passwd,
+            $salt,
+            $opslimit,
+            $memlimit
+        );
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str()
+     * @param string $passwd
+     * @param int $opslimit
+     * @param int $memlimit
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit);
+    }
+}
+if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str_verify')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify()
+     * @param string $passwd
+     * @param string $hash
+     * @return bool
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
+    {
+        return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash);
+    }
+}
+if (!is_callable('sodium_crypto_scalarmult')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_scalarmult()
+     * @param string $n
+     * @param string $p
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_scalarmult($n, $p)
+    {
+        return ParagonIE_Sodium_Compat::crypto_scalarmult($n, $p);
+    }
+}
+if (!is_callable('sodium_crypto_scalarmult_base')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_base()
+     * @param string $n
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_scalarmult_base($n)
+    {
+        return ParagonIE_Sodium_Compat::crypto_scalarmult_base($n);
+    }
+}
+if (!is_callable('sodium_crypto_secretbox')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_secretbox()
+     * @param string $message
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_secretbox($message, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretbox($message, $nonce, $key);
+    }
+}
+if (!is_callable('sodium_crypto_secretbox_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_secretbox_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_secretbox_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretbox_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_secretbox_open')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_secretbox_open()
+     * @param string $ciphertext
+     * @param string $nonce
+     * @param string $key
+     * @return string|bool
+     */
+    function sodium_crypto_secretbox_open($ciphertext, $nonce, $key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_secretbox_open($ciphertext, $nonce, $key);
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_push')) {
+    /**
+     * @param string $key
+     * @return array<int, string>
+     * @throws SodiumException
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_init_push($key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_push($key);
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_push')) {
+    /**
+     * @param string $state
+     * @param string $message
+     * @param string $additional_data
+     * @param int $tag
+     * @return string
+     * @throws SodiumException
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_push(
+        &$state,
+        $message,
+        $additional_data = '',
+        $tag = 0
+    ) {
+        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_push(
+            $state,
+            $message,
+            $additional_data,
+            $tag
+        );
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_pull')) {
+    /**
+     * @param string $header
+     * @param string $key
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_init_pull($header, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_pull($header, $key);
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_pull')) {
+    /**
+     * @param string $state
+     * @param string $ciphertext
+     * @param string $additional_data
+     * @return bool|array{0: string, 1: int}
+     * @throws SodiumException
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_pull(&$state, $ciphertext, $additional_data = '')
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_pull(
+            $state,
+            $ciphertext,
+            $additional_data
+        );
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_rekey')) {
+    /**
+     * @param string $state
+     * @return void
+     * @throws SodiumException
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_rekey(&$state)
+    {
+        ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_rekey($state);
+    }
+}
+if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_keygen')) {
+    /**
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_secretstream_xchacha20poly1305_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_shorthash')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_shorthash()
+     * @param string $message
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_shorthash($message, $key = '')
+    {
+        return ParagonIE_Sodium_Compat::crypto_shorthash($message, $key);
+    }
+}
+if (!is_callable('sodium_crypto_shorthash_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_shorthash_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_shorthash_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_shorthash_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_sign')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign()
+     * @param string $message
+     * @param string $secret_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign($message, $secret_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign($message, $secret_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_detached')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_detached()
+     * @param string $message
+     * @param string $secret_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_detached($message, $secret_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_detached($message, $secret_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_keypair_from_secretkey_and_publickey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()
+     * @param string $secret_key
+     * @param string $public_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_keypair_from_secretkey_and_publickey($secret_key, $public_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey($secret_key, $public_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_keypair')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_keypair()
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_keypair()
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_keypair();
+    }
+}
+if (!is_callable('sodium_crypto_sign_open')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_open()
+     * @param string $signedMessage
+     * @param string $public_key
+     * @return string|bool
+     */
+    function sodium_crypto_sign_open($signedMessage, $public_key)
+    {
+        try {
+            return ParagonIE_Sodium_Compat::crypto_sign_open($signedMessage, $public_key);
+        } catch (Error $ex) {
+            return false;
+        } catch (Exception $ex) {
+            return false;
+        }
+    }
+}
+if (!is_callable('sodium_crypto_sign_publickey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey()
+     * @param string $key_pair
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_publickey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_publickey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_sign_publickey_from_secretkey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()
+     * @param string $secret_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_publickey_from_secretkey($secret_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey($secret_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_secretkey')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_secretkey()
+     * @param string $key_pair
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_secretkey($key_pair)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_secretkey($key_pair);
+    }
+}
+if (!is_callable('sodium_crypto_sign_seed_keypair')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_seed_keypair()
+     * @param string $seed
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_seed_keypair($seed)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_seed_keypair($seed);
+    }
+}
+if (!is_callable('sodium_crypto_sign_verify_detached')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_verify_detached()
+     * @param string $signature
+     * @param string $message
+     * @param string $public_key
+     * @return bool
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_verify_detached($signature, $message, $public_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_verify_detached($signature, $message, $public_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_ed25519_pk_to_curve25519')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519()
+     * @param string $public_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_ed25519_pk_to_curve25519($public_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519($public_key);
+    }
+}
+if (!is_callable('sodium_crypto_sign_ed25519_sk_to_curve25519')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519()
+     * @param string $secret_key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_sign_ed25519_sk_to_curve25519($secret_key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519($secret_key);
+    }
+}
+if (!is_callable('sodium_crypto_stream')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_stream()
+     * @param int $length
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_stream($length, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_stream($length, $nonce, $key);
+    }
+}
+if (!is_callable('sodium_crypto_stream_keygen')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_stream_keygen()
+     * @return string
+     * @throws Exception
+     */
+    function sodium_crypto_stream_keygen()
+    {
+        return ParagonIE_Sodium_Compat::crypto_stream_keygen();
+    }
+}
+if (!is_callable('sodium_crypto_stream_xor')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::crypto_stream_xor()
+     * @param string $message
+     * @param string $nonce
+     * @param string $key
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_crypto_stream_xor($message, $nonce, $key)
+    {
+        return ParagonIE_Sodium_Compat::crypto_stream_xor($message, $nonce, $key);
+    }
+}
+require_once dirname(__FILE__) . '/stream-xchacha20.php';
+if (!is_callable('sodium_hex2bin')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::hex2bin()
+     * @param string $string
+     * @param string $ignore
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_hex2bin($string, $ignore = '')
+    {
+        return ParagonIE_Sodium_Compat::hex2bin($string, $ignore);
+    }
+}
+if (!is_callable('sodium_increment')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::increment()
+     * @param string $string
+     * @return void
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_increment(&$string)
+    {
+        ParagonIE_Sodium_Compat::increment($string);
+    }
+}
+if (!is_callable('sodium_library_version_major')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::library_version_major()
+     * @return int
+     */
+    function sodium_library_version_major()
+    {
+        return ParagonIE_Sodium_Compat::library_version_major();
+    }
+}
+if (!is_callable('sodium_library_version_minor')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::library_version_minor()
+     * @return int
+     */
+    function sodium_library_version_minor()
+    {
+        return ParagonIE_Sodium_Compat::library_version_minor();
+    }
+}
+if (!is_callable('sodium_version_string')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::version_string()
+     * @return string
+     */
+    function sodium_version_string()
+    {
+        return ParagonIE_Sodium_Compat::version_string();
+    }
+}
+if (!is_callable('sodium_memcmp')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::memcmp()
+     * @param string $string1
+     * @param string $string2
+     * @return int
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_memcmp($string1, $string2)
+    {
+        return ParagonIE_Sodium_Compat::memcmp($string1, $string2);
+    }
+}
+if (!is_callable('sodium_memzero')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::memzero()
+     * @param string $string
+     * @return void
+     * @throws SodiumException
+     * @throws TypeError
+     *
+     * @psalm-suppress ReferenceConstraintViolation
+     */
+    function sodium_memzero(&$string)
+    {
+        ParagonIE_Sodium_Compat::memzero($string);
+    }
+}
+if (!is_callable('sodium_pad')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::pad()
+     * @param string $unpadded
+     * @param int $block_size
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_pad($unpadded, $block_size)
+    {
+        return ParagonIE_Sodium_Compat::pad($unpadded, $block_size, true);
+    }
+}
+if (!is_callable('sodium_unpad')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::pad()
+     * @param string $padded
+     * @param int $block_size
+     * @return string
+     * @throws SodiumException
+     * @throws TypeError
+     */
+    function sodium_unpad($padded, $block_size)
+    {
+        return ParagonIE_Sodium_Compat::unpad($padded, $block_size, true);
+    }
+}
+if (!is_callable('sodium_randombytes_buf')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::randombytes_buf()
+     * @param int $amount
+     * @return string
+     * @throws Exception
+     */
+    function sodium_randombytes_buf($amount)
+    {
+        return ParagonIE_Sodium_Compat::randombytes_buf($amount);
+    }
+}
+
+if (!is_callable('sodium_randombytes_uniform')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::randombytes_uniform()
+     * @param int $upperLimit
+     * @return int
+     * @throws Exception
+     */
+    function sodium_randombytes_uniform($upperLimit)
+    {
+        return ParagonIE_Sodium_Compat::randombytes_uniform($upperLimit);
+    }
+}
+
+if (!is_callable('sodium_randombytes_random16')) {
+    /**
+     * @see ParagonIE_Sodium_Compat::randombytes_random16()
+     * @return int
+     * @throws Exception
+     */
+    function sodium_randombytes_random16()
+    {
+        return ParagonIE_Sodium_Compat::randombytes_random16();
+    }
+}
-- 
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