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author | madmaxoft <github@xoft.cz> | 2014-01-22 22:26:40 +0100 |
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committer | madmaxoft <github@xoft.cz> | 2014-01-22 22:26:40 +0100 |
commit | 34f13d589a2ebbcae9230732c7a763b3cdd88b41 (patch) | |
tree | 4f7bad4f90ca8f7a896d83951804f0207082cafb /lib/cryptopp/iterhash.h | |
parent | Replacing CryptoPP with PolarSSL. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | lib/cryptopp/iterhash.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/lib/cryptopp/iterhash.h b/lib/cryptopp/iterhash.h deleted file mode 100644 index cce9e8211..000000000 --- a/lib/cryptopp/iterhash.h +++ /dev/null @@ -1,106 +0,0 @@ -#ifndef CRYPTOPP_ITERHASH_H -#define CRYPTOPP_ITERHASH_H - -#include "cryptlib.h" -#include "secblock.h" -#include "misc.h" -#include "simple.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! exception thrown when trying to hash more data than is allowed by a hash function -class CRYPTOPP_DLL HashInputTooLong : public InvalidDataFormat -{ -public: - explicit HashInputTooLong(const std::string &alg) - : InvalidDataFormat("IteratedHashBase: input data exceeds maximum allowed by hash function " + alg) {} -}; - -//! _ -template <class T, class BASE> -class CRYPTOPP_NO_VTABLE IteratedHashBase : public BASE -{ -public: - typedef T HashWordType; - - IteratedHashBase() : m_countLo(0), m_countHi(0) {} - unsigned int OptimalBlockSize() const {return this->BlockSize();} - unsigned int OptimalDataAlignment() const {return GetAlignmentOf<T>();} - void Update(const byte *input, size_t length); - byte * CreateUpdateSpace(size_t &size); - void Restart(); - void TruncatedFinal(byte *digest, size_t size); - -protected: - inline T GetBitCountHi() const {return (m_countLo >> (8*sizeof(T)-3)) + (m_countHi << 3);} - inline T GetBitCountLo() const {return m_countLo << 3;} - - void PadLastBlock(unsigned int lastBlockSize, byte padFirst=0x80); - virtual void Init() =0; - - virtual ByteOrder GetByteOrder() const =0; - virtual void HashEndianCorrectedBlock(const HashWordType *data) =0; - virtual size_t HashMultipleBlocks(const T *input, size_t length); - void HashBlock(const HashWordType *input) {HashMultipleBlocks(input, this->BlockSize());} - - virtual T* DataBuf() =0; - virtual T* StateBuf() =0; - -private: - T m_countLo, m_countHi; -}; - -//! _ -template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, class T_Base = HashTransformation> -class CRYPTOPP_NO_VTABLE IteratedHash : public IteratedHashBase<T_HashWordType, T_Base> -{ -public: - typedef T_Endianness ByteOrderClass; - typedef T_HashWordType HashWordType; - - CRYPTOPP_CONSTANT(BLOCKSIZE = T_BlockSize) - // BCB2006 workaround: can't use BLOCKSIZE here - CRYPTOPP_COMPILE_ASSERT((T_BlockSize & (T_BlockSize - 1)) == 0); // blockSize is a power of 2 - unsigned int BlockSize() const {return T_BlockSize;} - - ByteOrder GetByteOrder() const {return T_Endianness::ToEnum();} - - inline static void CorrectEndianess(HashWordType *out, const HashWordType *in, size_t byteCount) - { - ConditionalByteReverse(T_Endianness::ToEnum(), out, in, byteCount); - } - -protected: - T_HashWordType* DataBuf() {return this->m_data;} - FixedSizeSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType)> m_data; -}; - -//! _ -template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, unsigned int T_StateSize, class T_Transform, unsigned int T_DigestSize = 0, bool T_StateAligned = false> -class CRYPTOPP_NO_VTABLE IteratedHashWithStaticTransform - : public ClonableImpl<T_Transform, AlgorithmImpl<IteratedHash<T_HashWordType, T_Endianness, T_BlockSize>, T_Transform> > -{ -public: - CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize ? T_DigestSize : T_StateSize) - unsigned int DigestSize() const {return DIGESTSIZE;}; - -protected: - IteratedHashWithStaticTransform() {this->Init();} - void HashEndianCorrectedBlock(const T_HashWordType *data) {T_Transform::Transform(this->m_state, data);} - void Init() {T_Transform::InitState(this->m_state);} - - T_HashWordType* StateBuf() {return this->m_state;} - FixedSizeAlignedSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType), T_StateAligned> m_state; -}; - -#ifndef __GNUC__ - CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word64, HashTransformation>; - CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word64, MessageAuthenticationCode>; - - CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word32, HashTransformation>; - CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word32, MessageAuthenticationCode>; -#endif - -NAMESPACE_END - -#endif |