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author | Howaner <franzi.moos@googlemail.com> | 2014-05-07 12:54:58 +0200 |
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committer | Howaner <franzi.moos@googlemail.com> | 2014-05-07 12:54:58 +0200 |
commit | f5fe3682201e2f1356e3a5c408eb8296b542e072 (patch) | |
tree | 208ec7a760b9e909fbb43e1a12ee43d866cb9df7 /src/PolarSSL++/AesCfb128Decryptor.h | |
parent | Remove old import (diff) | |
parent | Fixed wires powering wires diagonally below them (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/PolarSSL++/AesCfb128Decryptor.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/PolarSSL++/AesCfb128Decryptor.h b/src/PolarSSL++/AesCfb128Decryptor.h new file mode 100644 index 000000000..68c203d70 --- /dev/null +++ b/src/PolarSSL++/AesCfb128Decryptor.h @@ -0,0 +1,52 @@ + +// AesCfb128Decryptor.h + +// Declares the cAesCfb128Decryptor class decrypting data using AES CFB-128 + + + + + +#pragma once + +#include "polarssl/aes.h" + + + + + +/** Decrypts data using the AES / CFB 128 algorithm */ +class cAesCfb128Decryptor +{ +public: + Byte test; + + cAesCfb128Decryptor(void); + ~cAesCfb128Decryptor(); + + /** 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; +} ; + + + + + |