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Diffstat (limited to 'src/PolarSSL++/AesCfb128Encryptor.cpp')
-rw-r--r--src/PolarSSL++/AesCfb128Encryptor.cpp68
1 files changed, 0 insertions, 68 deletions
diff --git a/src/PolarSSL++/AesCfb128Encryptor.cpp b/src/PolarSSL++/AesCfb128Encryptor.cpp
deleted file mode 100644
index ac0262e69..000000000
--- a/src/PolarSSL++/AesCfb128Encryptor.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-
-// AesCfb128Encryptor.cpp
-
-// Implements the cAesCfb128Encryptor class encrypting data using AES CFB-128
-
-#include "Globals.h"
-#include "AesCfb128Encryptor.h"
-
-
-
-
-
-cAesCfb128Encryptor::cAesCfb128Encryptor(void) :
- m_IVOffset(0),
- m_IsValid(false)
-{
-}
-
-
-
-
-
-cAesCfb128Encryptor::~cAesCfb128Encryptor()
-{
- // Clear the leftover in-memory data, so that they can't be accessed by a backdoor
- memset(&m_Aes, 0, sizeof(m_Aes));
-}
-
-
-
-
-
-void cAesCfb128Encryptor::Init(const Byte a_Key[16], const Byte a_IV[16])
-{
- ASSERT(!IsValid()); // Cannot Init twice
- ASSERT(m_IVOffset == 0);
-
- memcpy(m_IV, a_IV, 16);
- aes_setkey_enc(&m_Aes, a_Key, 128);
- m_IsValid = true;
-}
-
-
-
-
-
-void cAesCfb128Encryptor::ProcessData(Byte * a_EncryptedOut, const Byte * a_PlainIn, size_t a_Length)
-{
- ASSERT(IsValid()); // Must Init() first
-
- // PolarSSL doesn't do AES-CFB8, so we need to implement it ourselves:
- for (size_t i = 0; i < a_Length; i++)
- {
- Byte Buffer[sizeof(m_IV)];
- aes_crypt_ecb(&m_Aes, AES_ENCRYPT, m_IV, Buffer);
- for (size_t idx = 0; idx < sizeof(m_IV) - 1; idx++)
- {
- m_IV[idx] = m_IV[idx + 1];
- }
- a_EncryptedOut[i] = a_PlainIn[i] ^ Buffer[0];
- m_IV[sizeof(m_IV) - 1] = a_EncryptedOut[i];
- }
-}
-
-
-
-
-