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author | daniel0916 <theschokolps@gmail.com> | 2014-04-07 20:12:17 +0200 |
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committer | daniel0916 <theschokolps@gmail.com> | 2014-04-07 20:12:17 +0200 |
commit | 2e9754ac1cf0537c12ab7974cf55c451c0724540 (patch) | |
tree | 713c5b8c8f22f77893b30b9c8cefca4a7c491483 /lib/cryptopp/hmac.h | |
parent | Fixed merge conflict (diff) | |
parent | Fixed some more minor issues with the redstone simulator. (diff) | |
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Diffstat (limited to 'lib/cryptopp/hmac.h')
-rw-r--r-- | lib/cryptopp/hmac.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/lib/cryptopp/hmac.h b/lib/cryptopp/hmac.h deleted file mode 100644 index 62db5ef33..000000000 --- a/lib/cryptopp/hmac.h +++ /dev/null @@ -1,61 +0,0 @@ -// hmac.h - written and placed in the public domain by Wei Dai - -#ifndef CRYPTOPP_HMAC_H -#define CRYPTOPP_HMAC_H - -#include "seckey.h" -#include "secblock.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE HMAC_Base : public VariableKeyLength<16, 0, INT_MAX>, public MessageAuthenticationCode -{ -public: - HMAC_Base() : m_innerHashKeyed(false) {} - void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms); - - void Restart(); - void Update(const byte *input, size_t length); - void TruncatedFinal(byte *mac, size_t size); - unsigned int OptimalBlockSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().OptimalBlockSize();} - unsigned int DigestSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().DigestSize();} - -protected: - virtual HashTransformation & AccessHash() =0; - byte * AccessIpad() {return m_buf;} - byte * AccessOpad() {return m_buf + AccessHash().BlockSize();} - byte * AccessInnerHash() {return m_buf + 2*AccessHash().BlockSize();} - -private: - void KeyInnerHash(); - - SecByteBlock m_buf; - bool m_innerHashKeyed; -}; - -//! <a href="http://www.weidai.com/scan-mirror/mac.html#HMAC">HMAC</a> -/*! HMAC(K, text) = H(K XOR opad, H(K XOR ipad, text)) */ -template <class T> -class HMAC : public MessageAuthenticationCodeImpl<HMAC_Base, HMAC<T> > -{ -public: - CRYPTOPP_CONSTANT(DIGESTSIZE=T::DIGESTSIZE) - CRYPTOPP_CONSTANT(BLOCKSIZE=T::BLOCKSIZE) - - HMAC() {} - HMAC(const byte *key, size_t length=HMAC_Base::DEFAULT_KEYLENGTH) - {this->SetKey(key, length);} - - static std::string StaticAlgorithmName() {return std::string("HMAC(") + T::StaticAlgorithmName() + ")";} - std::string AlgorithmName() const {return std::string("HMAC(") + m_hash.AlgorithmName() + ")";} - -private: - HashTransformation & AccessHash() {return m_hash;} - - T m_hash; -}; - -NAMESPACE_END - -#endif |