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Diffstat (limited to 'CryptoPP/panama.h')
-rw-r--r-- | CryptoPP/panama.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/CryptoPP/panama.h b/CryptoPP/panama.h deleted file mode 100644 index 5a2368137..000000000 --- a/CryptoPP/panama.h +++ /dev/null @@ -1,144 +0,0 @@ -#ifndef CRYPTOPP_PANAMA_H -#define CRYPTOPP_PANAMA_H - -#include "strciphr.h" -#include "iterhash.h" - -NAMESPACE_BEGIN(CryptoPP) - -/// base class, do not use directly -template <class B> -class CRYPTOPP_NO_VTABLE Panama -{ -public: - void Reset(); - void Iterate(size_t count, const word32 *p=NULL, word32 *z=NULL, const word32 *y=NULL); - -protected: - typedef word32 Stage[8]; - CRYPTOPP_CONSTANT(STAGES = 32) - - FixedSizeAlignedSecBlock<word32, 20 + 8*32> m_state; -}; - -namespace Weak { -/// <a href="http://www.weidai.com/scan-mirror/md.html#Panama">Panama Hash</a> -template <class B = LittleEndian> -class PanamaHash : protected Panama<B>, public AlgorithmImpl<IteratedHash<word32, NativeByteOrder, 32>, PanamaHash<B> > -{ -public: - CRYPTOPP_CONSTANT(DIGESTSIZE = 32) - PanamaHash() {Panama<B>::Reset();} - unsigned int DigestSize() const {return DIGESTSIZE;} - void TruncatedFinal(byte *hash, size_t size); - static const char * StaticAlgorithmName() {return B::ToEnum() == BIG_ENDIAN_ORDER ? "Panama-BE" : "Panama-LE";} - -protected: - void Init() {Panama<B>::Reset();} - void HashEndianCorrectedBlock(const word32 *data) {this->Iterate(1, data);} // push - size_t HashMultipleBlocks(const word32 *input, size_t length); - word32* StateBuf() {return NULL;} -}; -} - -//! MAC construction using a hermetic hash function -template <class T_Hash, class T_Info = T_Hash> -class HermeticHashFunctionMAC : public AlgorithmImpl<SimpleKeyingInterfaceImpl<TwoBases<MessageAuthenticationCode, VariableKeyLength<32, 0, INT_MAX> > >, T_Info> -{ -public: - void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) - { - m_key.Assign(key, length); - Restart(); - } - - void Restart() - { - m_hash.Restart(); - m_keyed = false; - } - - void Update(const byte *input, size_t length) - { - if (!m_keyed) - KeyHash(); - m_hash.Update(input, length); - } - - void TruncatedFinal(byte *digest, size_t digestSize) - { - if (!m_keyed) - KeyHash(); - m_hash.TruncatedFinal(digest, digestSize); - m_keyed = false; - } - - unsigned int DigestSize() const - {return m_hash.DigestSize();} - unsigned int BlockSize() const - {return m_hash.BlockSize();} - unsigned int OptimalBlockSize() const - {return m_hash.OptimalBlockSize();} - unsigned int OptimalDataAlignment() const - {return m_hash.OptimalDataAlignment();} - -protected: - void KeyHash() - { - m_hash.Update(m_key, m_key.size()); - m_keyed = true; - } - - T_Hash m_hash; - bool m_keyed; - SecByteBlock m_key; -}; - -namespace Weak { -/// Panama MAC -template <class B = LittleEndian> -class PanamaMAC : public HermeticHashFunctionMAC<PanamaHash<B> > -{ -public: - PanamaMAC() {} - PanamaMAC(const byte *key, unsigned int length) - {this->SetKey(key, length);} -}; -} - -//! algorithm info -template <class B> -struct PanamaCipherInfo : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 32> -{ - static const char * StaticAlgorithmName() {return B::ToEnum() == BIG_ENDIAN_ORDER ? "Panama-BE" : "Panama-LE";} -}; - -//! _ -template <class B> -class PanamaCipherPolicy : public AdditiveCipherConcretePolicy<word32, 8>, - public PanamaCipherInfo<B>, - protected Panama<B> -{ -protected: - void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); - void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); - bool CipherIsRandomAccess() const {return false;} - void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length); -#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 - unsigned int GetAlignment() const; -#endif - - FixedSizeSecBlock<word32, 8> m_key; -}; - -//! <a href="http://www.cryptolounge.org/wiki/PANAMA">Panama Stream Cipher</a> -template <class B = LittleEndian> -struct PanamaCipher : public PanamaCipherInfo<B>, public SymmetricCipherDocumentation -{ - typedef SymmetricCipherFinal<ConcretePolicyHolder<PanamaCipherPolicy<B>, AdditiveCipherTemplate<> >, PanamaCipherInfo<B> > Encryption; - typedef Encryption Decryption; -}; - -NAMESPACE_END - -#endif |