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-rw-r--r--lib/cryptopp/hmac.cpp86
1 files changed, 0 insertions, 86 deletions
diff --git a/lib/cryptopp/hmac.cpp b/lib/cryptopp/hmac.cpp
deleted file mode 100644
index d4a649c08..000000000
--- a/lib/cryptopp/hmac.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-// hmac.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-
-#ifndef CRYPTOPP_IMPORTS
-
-#include "hmac.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void HMAC_Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &)
-{
- AssertValidKeyLength(keylength);
-
- Restart();
-
- HashTransformation &hash = AccessHash();
- unsigned int blockSize = hash.BlockSize();
-
- if (!blockSize)
- throw InvalidArgument("HMAC: can only be used with a block-based hash function");
-
- m_buf.resize(2*AccessHash().BlockSize() + AccessHash().DigestSize());
-
- if (keylength <= blockSize)
- memcpy(AccessIpad(), userKey, keylength);
- else
- {
- AccessHash().CalculateDigest(AccessIpad(), userKey, keylength);
- keylength = hash.DigestSize();
- }
-
- assert(keylength <= blockSize);
- memset(AccessIpad()+keylength, 0, blockSize-keylength);
-
- for (unsigned int i=0; i<blockSize; i++)
- {
- AccessOpad()[i] = AccessIpad()[i] ^ 0x5c;
- AccessIpad()[i] ^= 0x36;
- }
-}
-
-void HMAC_Base::KeyInnerHash()
-{
- assert(!m_innerHashKeyed);
- HashTransformation &hash = AccessHash();
- hash.Update(AccessIpad(), hash.BlockSize());
- m_innerHashKeyed = true;
-}
-
-void HMAC_Base::Restart()
-{
- if (m_innerHashKeyed)
- {
- AccessHash().Restart();
- m_innerHashKeyed = false;
- }
-}
-
-void HMAC_Base::Update(const byte *input, size_t length)
-{
- if (!m_innerHashKeyed)
- KeyInnerHash();
- AccessHash().Update(input, length);
-}
-
-void HMAC_Base::TruncatedFinal(byte *mac, size_t size)
-{
- ThrowIfInvalidTruncatedSize(size);
-
- HashTransformation &hash = AccessHash();
-
- if (!m_innerHashKeyed)
- KeyInnerHash();
- hash.Final(AccessInnerHash());
-
- hash.Update(AccessOpad(), hash.BlockSize());
- hash.Update(AccessInnerHash(), hash.DigestSize());
- hash.TruncatedFinal(mac, size);
-
- m_innerHashKeyed = false;
-}
-
-NAMESPACE_END
-
-#endif