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authorHowaner <franzi.moos@googlemail.com>2014-05-07 12:54:58 +0200
committerHowaner <franzi.moos@googlemail.com>2014-05-07 12:54:58 +0200
commitf5fe3682201e2f1356e3a5c408eb8296b542e072 (patch)
tree208ec7a760b9e909fbb43e1a12ee43d866cb9df7 /src/PolarSSL++/RsaPrivateKey.h
parentRemove old import (diff)
parentFixed wires powering wires diagonally below them (diff)
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Diffstat (limited to 'src/PolarSSL++/RsaPrivateKey.h')
-rw-r--r--src/PolarSSL++/RsaPrivateKey.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/PolarSSL++/RsaPrivateKey.h b/src/PolarSSL++/RsaPrivateKey.h
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+++ b/src/PolarSSL++/RsaPrivateKey.h
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+
+// RsaPrivateKey.h
+
+// Declares the cRsaPrivateKey class representing a private key for RSA operations.
+
+
+
+
+
+#pragma once
+
+#include "CtrDrbgContext.h"
+#include "polarssl/rsa.h"
+
+
+
+
+
+/** Encapsulates an RSA private key used in PKI cryptography */
+class cRsaPrivateKey
+{
+public:
+ /** Creates a new empty object, the key is not assigned */
+ cRsaPrivateKey(void);
+
+ /** Deep-copies the key from a_Other */
+ cRsaPrivateKey(const cRsaPrivateKey & a_Other);
+
+ ~cRsaPrivateKey();
+
+ /** Generates a new key within this object, with the specified size in bits.
+ Returns true on success, false on failure. */
+ bool Generate(unsigned a_KeySizeBits = 1024);
+
+ /** Returns the public key part encoded in ASN1 DER encoding */
+ AString GetPubKeyDER(void);
+
+ /** Decrypts the data using RSAES-PKCS#1 algorithm.
+ Both a_EncryptedData and a_DecryptedData must be at least <KeySizeBytes> bytes large.
+ Returns the number of bytes decrypted, or negative number for error. */
+ int Decrypt(const Byte * a_EncryptedData, size_t a_EncryptedLength, Byte * a_DecryptedData, size_t a_DecryptedMaxLength);
+
+ /** Encrypts the data using RSAES-PKCS#1 algorithm.
+ Both a_EncryptedData and a_DecryptedData must be at least <KeySizeBytes> bytes large.
+ Returns the number of bytes decrypted, or negative number for error. */
+ int Encrypt(const Byte * a_PlainData, size_t a_PlainLength, Byte * a_EncryptedData, size_t a_EncryptedMaxLength);
+
+protected:
+ /** The PolarSSL key context */
+ rsa_context m_Rsa;
+
+ /** The random generator used for generating the key and encryption / decryption */
+ cCtrDrbgContext m_CtrDrbg;
+} ;
+
+
+
+
+