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author | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
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committer | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
commit | 437a9c8d1f13cc7770a95534dbf71b78685edfe7 (patch) | |
tree | 68b0e13a46f3936bb772106c0ca8d8e74aba2b8e /lib/cryptopp/eax.cpp | |
parent | Merge pull request #581 from worktycho/strerror (diff) | |
parent | ProtoProxy: Modified to use PolarSSL. (diff) | |
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Diffstat (limited to 'lib/cryptopp/eax.cpp')
-rw-r--r-- | lib/cryptopp/eax.cpp | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/cryptopp/eax.cpp b/lib/cryptopp/eax.cpp deleted file mode 100644 index 2728c9bcd..000000000 --- a/lib/cryptopp/eax.cpp +++ /dev/null @@ -1,59 +0,0 @@ -// eax.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "eax.h" - -NAMESPACE_BEGIN(CryptoPP) - -void EAX_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms) -{ - AccessMAC().SetKey(userKey, keylength, params); - m_buffer.New(2*AccessMAC().TagSize()); -} - -void EAX_Base::Resync(const byte *iv, size_t len) -{ - MessageAuthenticationCode &mac = AccessMAC(); - unsigned int blockSize = mac.TagSize(); - - memset(m_buffer, 0, blockSize); - mac.Update(m_buffer, blockSize); - mac.CalculateDigest(m_buffer+blockSize, iv, len); - - m_buffer[blockSize-1] = 1; - mac.Update(m_buffer, blockSize); - - m_ctr.SetCipherWithIV(AccessMAC().AccessCipher(), m_buffer+blockSize, blockSize); -} - -size_t EAX_Base::AuthenticateBlocks(const byte *data, size_t len) -{ - AccessMAC().Update(data, len); - return 0; -} - -void EAX_Base::AuthenticateLastHeaderBlock() -{ - assert(m_bufferedDataLength == 0); - MessageAuthenticationCode &mac = AccessMAC(); - unsigned int blockSize = mac.TagSize(); - - mac.Final(m_buffer); - xorbuf(m_buffer+blockSize, m_buffer, blockSize); - - memset(m_buffer, 0, blockSize); - m_buffer[blockSize-1] = 2; - mac.Update(m_buffer, blockSize); -} - -void EAX_Base::AuthenticateLastFooterBlock(byte *tag, size_t macSize) -{ - assert(m_bufferedDataLength == 0); - MessageAuthenticationCode &mac = AccessMAC(); - unsigned int blockSize = mac.TagSize(); - - mac.TruncatedFinal(m_buffer, macSize); - xorbuf(tag, m_buffer, m_buffer+blockSize, macSize); -} - -NAMESPACE_END |