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Use T_IsEncryption for ChaCha20Poly1305

pull/795/head
Jeffrey Walton 2019-01-30 03:31:59 -05:00
parent 33eac51e92
commit b69bfb5bdf
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
1 changed files with 4 additions and 4 deletions
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8
chachapoly.h
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@ -62,7 +62,7 @@ public:
unsigned int DigestSize() const unsigned int DigestSize() const
{return 16;} {return 16;}
lword MaxHeaderLength() const lword MaxHeaderLength() const
{return W64LIT(18446744073709551615);} // 2^64-1 bytes {return LWORD_MAX;} // 2^64-1 bytes
lword MaxMessageLength() const lword MaxMessageLength() const
{return W64LIT(274877906880);} // 2^38-1 blocks {return W64LIT(274877906880);} // 2^38-1 blocks
lword MaxFooterLength() const lword MaxFooterLength() const
@ -118,7 +118,7 @@ protected:
}; };
/// \brief ChaCha20Poly1305 cipher final implementation /// \brief ChaCha20Poly1305 cipher final implementation
/// \tparam T_ForwardTransform flag indicating cipher direction /// \tparam T_IsEncryption flag indicating cipher direction
/// \details ChaCha20Poly1305 is an authenticated encryption scheme that combines /// \details ChaCha20Poly1305 is an authenticated encryption scheme that combines
/// ChaCha20TLS and Poly1305TLS. The scheme is defined in RFC 8439, section 2.8, /// ChaCha20TLS and Poly1305TLS. The scheme is defined in RFC 8439, section 2.8,
/// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha /// AEAD_CHACHA20_POLY1305 construction, and uses the IETF versions of ChaCha
@ -126,7 +126,7 @@ protected:
/// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305 /// \sa <A HREF="http://tools.ietf.org/html/rfc8439">RFC 8439, ChaCha20 and Poly1305
/// for IETF Protocols</A>. /// for IETF Protocols</A>.
/// \since Crypto++ 8.1 /// \since Crypto++ 8.1
template <bool T_ForwardTransform> template <bool T_IsEncryption>
class ChaCha20Poly1305_Final : public ChaCha20Poly1305_Base class ChaCha20Poly1305_Final : public ChaCha20Poly1305_Base
{ {
public: public:
@ -139,7 +139,7 @@ protected:
SymmetricCipher & AccessSymmetricCipher() SymmetricCipher & AccessSymmetricCipher()
{return m_cipher;} {return m_cipher;}
bool IsForwardTransformation() const bool IsForwardTransformation() const
{return T_ForwardTransform;} {return T_IsEncryption;}
const MessageAuthenticationCode & GetMAC() const const MessageAuthenticationCode & GetMAC() const
{return const_cast<ChaCha20Poly1305_Final *>(this)->AccessMAC();} {return const_cast<ChaCha20Poly1305_Final *>(this)->AccessMAC();}