From 6cb2d2461f869d5c9d986cccec5edf1021878df2 Mon Sep 17 00:00:00 2001 From: madmaxoft Date: Tue, 29 Apr 2014 17:37:15 +0200 Subject: Moved the rest of the Crypto objects into their own respective files. --- src/Crypto.h | 124 ----------------------------------------------------------- 1 file changed, 124 deletions(-) delete mode 100644 src/Crypto.h (limited to 'src/Crypto.h') diff --git a/src/Crypto.h b/src/Crypto.h deleted file mode 100644 index 993b21afb..000000000 --- a/src/Crypto.h +++ /dev/null @@ -1,124 +0,0 @@ - -// Crypto.h - -// Declares classes that wrap the cryptographic code library - - - - - -#pragma once - -#include "polarssl/rsa.h" -#include "polarssl/aes.h" -#include "polarssl/entropy.h" -#include "polarssl/ctr_drbg.h" -#include "polarssl/sha1.h" - - - - - -/** Decrypts data using the AES / CFB (128) algorithm */ -class cAESCFBDecryptor -{ -public: - Byte test; - - cAESCFBDecryptor(void); - ~cAESCFBDecryptor(); - - /** Initializes the decryptor with the specified Key / IV */ - void Init(const Byte a_Key[16], const Byte a_IV[16]); - - /** Decrypts a_Length bytes of the encrypted data; produces a_Length output bytes */ - void ProcessData(Byte * a_DecryptedOut, const Byte * a_EncryptedIn, size_t a_Length); - - /** Returns true if the object has been initialized with the Key / IV */ - bool IsValid(void) const { return m_IsValid; } - -protected: - aes_context m_Aes; - - /** The InitialVector, used by the CFB mode decryption */ - Byte m_IV[16]; - - /** Current offset in the m_IV, used by the CFB mode decryption */ - size_t m_IVOffset; - - /** Indicates whether the object has been initialized with the Key / IV */ - bool m_IsValid; -} ; - - - - - -/** Encrypts data using the AES / CFB (128) algorithm */ -class cAESCFBEncryptor -{ -public: - cAESCFBEncryptor(void); - ~cAESCFBEncryptor(); - - /** Initializes the decryptor with the specified Key / IV */ - void Init(const Byte a_Key[16], const Byte a_IV[16]); - - /** Encrypts a_Length bytes of the plain data; produces a_Length output bytes */ - void ProcessData(Byte * a_EncryptedOut, const Byte * a_PlainIn, size_t a_Length); - - /** Returns true if the object has been initialized with the Key / IV */ - bool IsValid(void) const { return m_IsValid; } - -protected: - aes_context m_Aes; - - /** The InitialVector, used by the CFB mode encryption */ - Byte m_IV[16]; - - /** Current offset in the m_IV, used by the CFB mode encryption */ - size_t m_IVOffset; - - /** Indicates whether the object has been initialized with the Key / IV */ - bool m_IsValid; -} ; - - - - - -/** Calculates a SHA1 checksum for data stream */ -class cSHA1Checksum -{ -public: - typedef Byte Checksum[20]; // The type used for storing the checksum - - cSHA1Checksum(void); - - /** Adds the specified data to the checksum */ - void Update(const Byte * a_Data, size_t a_Length); - - /** Calculates and returns the final checksum */ - void Finalize(Checksum & a_Output); - - /** Returns true if the object is accepts more input data, false if Finalize()-d (need to Restart()) */ - bool DoesAcceptInput(void) const { return m_DoesAcceptInput; } - - /** Converts a raw 160-bit SHA1 digest into a Java Hex representation - According to http://wiki.vg/wiki/index.php?title=Protocol_Encryption&oldid=2802 - */ - static void DigestToJava(const Checksum & a_Digest, AString & a_JavaOut); - - /** Clears the current context and start a new checksum calculation */ - void Restart(void); - -protected: - /** True if the object is accepts more input data, false if Finalize()-d (need to Restart()) */ - bool m_DoesAcceptInput; - - sha1_context m_Sha1; -} ; - - - - -- cgit v1.2.3