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Diffstat (limited to 'lib/cryptopp/eax.h')
| -rw-r--r-- | lib/cryptopp/eax.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/lib/cryptopp/eax.h b/lib/cryptopp/eax.h deleted file mode 100644 index e48ee92b5..000000000 --- a/lib/cryptopp/eax.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef CRYPTOPP_EAX_H -#define CRYPTOPP_EAX_H - -#include "authenc.h" -#include "modes.h" -#include "cmac.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! . -class CRYPTOPP_NO_VTABLE EAX_Base : public AuthenticatedSymmetricCipherBase -{ -public: - // AuthenticatedSymmetricCipher - std::string AlgorithmName() const - {return GetMAC().GetCipher().AlgorithmName() + std::string("/EAX");} - size_t MinKeyLength() const - {return GetMAC().MinKeyLength();} - size_t MaxKeyLength() const - {return GetMAC().MaxKeyLength();} - size_t DefaultKeyLength() const - {return GetMAC().DefaultKeyLength();} - size_t GetValidKeyLength(size_t n) const - {return GetMAC().GetValidKeyLength(n);} - bool IsValidKeyLength(size_t n) const - {return GetMAC().IsValidKeyLength(n);} - unsigned int OptimalDataAlignment() const - {return GetMAC().OptimalDataAlignment();} - IV_Requirement IVRequirement() const - {return UNIQUE_IV;} - unsigned int IVSize() const - {return GetMAC().TagSize();} - unsigned int MinIVLength() const - {return 0;} - unsigned int MaxIVLength() const - {return UINT_MAX;} - unsigned int DigestSize() const - {return GetMAC().TagSize();} - lword MaxHeaderLength() const - {return LWORD_MAX;} - lword MaxMessageLength() const - {return LWORD_MAX;} - -protected: - // AuthenticatedSymmetricCipherBase - bool AuthenticationIsOnPlaintext() const - {return false;} - unsigned int AuthenticationBlockSize() const - {return 1;} - void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms); - void Resync(const byte *iv, size_t len); - size_t AuthenticateBlocks(const byte *data, size_t len); - void AuthenticateLastHeaderBlock(); - void AuthenticateLastFooterBlock(byte *mac, size_t macSize); - SymmetricCipher & AccessSymmetricCipher() {return m_ctr;} - const CMAC_Base & GetMAC() const {return const_cast<EAX_Base *>(this)->AccessMAC();} - virtual CMAC_Base & AccessMAC() =0; - - CTR_Mode_ExternalCipher::Encryption m_ctr; -}; - -//! . -template <class T_BlockCipher, bool T_IsEncryption> -class EAX_Final : public EAX_Base -{ -public: - static std::string StaticAlgorithmName() - {return T_BlockCipher::StaticAlgorithmName() + std::string("/EAX");} - bool IsForwardTransformation() const - {return T_IsEncryption;} - -private: - CMAC_Base & AccessMAC() {return m_cmac;} - CMAC<T_BlockCipher> m_cmac; -}; - -#ifdef EAX // EAX is defined to 11 on GCC 3.4.3, OpenSolaris 8.11 -#undef EAX -#endif - -/// <a href="http://www.cryptolounge.org/wiki/EAX">EAX</a> -template <class T_BlockCipher> -struct EAX : public AuthenticatedSymmetricCipherDocumentation -{ - typedef EAX_Final<T_BlockCipher, true> Encryption; - typedef EAX_Final<T_BlockCipher, false> Decryption; -}; - -NAMESPACE_END - -#endif |