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Fix Clang specialization and definition warnings (GH #300, GH #533) 

Clang 3.8 and above generates lots of "'PKCS_DigestDecoration<SHA1>::decoration' required here, but no definition is available" warnings
pull/552/head
Jeffrey Walton 2017-12-26 00:46:50 -05:00
parent c0a8dab984
commit b7133e7b3b
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
4 changed files with 47 additions and 6 deletions
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9
emsa2.cpp
View File

@ -7,6 +7,15 @@
NAMESPACE_BEGIN(CryptoPP)
// Inclusion based on DLL due to Clang, http://github.com/weidai11/cryptopp/issues/300
#ifndef CRYPTOPP_IS_DLL
template<> const byte EMSA2HashId<SHA1>::id = 0x33;
template<> const byte EMSA2HashId<SHA224>::id = 0x38;
template<> const byte EMSA2HashId<SHA256>::id = 0x34;
template<> const byte EMSA2HashId<SHA384>::id = 0x36;
template<> const byte EMSA2HashId<SHA512>::id = 0x35;
#endif
void EMSA2Pad::ComputeMessageRepresentative(RandomNumberGenerator& /*rng*/,
const byte* recoverableMessage, size_t recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,

10
emsa2.h
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@ -58,6 +58,16 @@ CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA384>;
CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA512>;
#endif
// https://github.com/weidai11/cryptopp/issues/300 and
// https://github.com/weidai11/cryptopp/issues/533
#if defined(__clang__)
template<> const byte EMSA2HashId<SHA1>::id;
template<> const byte EMSA2HashId<SHA224>::id;
template<> const byte EMSA2HashId<SHA256>::id;
template<> const byte EMSA2HashId<SHA384>::id;
template<> const byte EMSA2HashId<SHA512>::id;
#endif
/// \class EMSA2Pad
/// \brief EMSA2 padding method
/// \since Crypto++ 5.0

6
pkcspad.cpp
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@ -53,12 +53,6 @@ template<> const unsigned int PKCS_DigestDecoration<SHA3_384>::length = (unsigne
template<> const byte PKCS_DigestDecoration<SHA3_512>::decoration[] = {0x30,0x51,0x30,0x0d, 0x06,0x09,0x60,0x86, 0x48,0x01,0x65,0x03, 0x04,0x02,0x0a,0x05, 0x00,0x04,0x40};
template<> const unsigned int PKCS_DigestDecoration<SHA3_512>::length = (unsigned int)sizeof(PKCS_DigestDecoration<SHA3_512>::decoration);
template<> const byte EMSA2HashId< SHA1>::id = 0x33;
template<> const byte EMSA2HashId<SHA224>::id = 0x38;
template<> const byte EMSA2HashId<SHA256>::id = 0x34;
template<> const byte EMSA2HashId<SHA384>::id = 0x36;
template<> const byte EMSA2HashId<SHA512>::id = 0x35;
#endif
size_t PKCS_EncryptionPaddingScheme::MaxUnpaddedLength(size_t paddedLength) const

28
pkcspad.h
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@ -56,6 +56,34 @@ CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA3_384>;
CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA3_512>;
#endif
// https://github.com/weidai11/cryptopp/issues/300 and
// https://github.com/weidai11/cryptopp/issues/533
#if defined(__clang__)
template<> const byte PKCS_DigestDecoration<SHA1>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA1>::length;
template<> const byte PKCS_DigestDecoration<SHA224>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA224>::length;
template<> const byte PKCS_DigestDecoration<SHA256>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA256>::length;
template<> const byte PKCS_DigestDecoration<SHA384>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA384>::length;
template<> const byte PKCS_DigestDecoration<SHA512>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA512>::length;
// http://github.com/weidai11/cryptopp/issues/517
template<> const byte PKCS_DigestDecoration<SHA3_256>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA3_256>::length;
template<> const byte PKCS_DigestDecoration<SHA3_384>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA3_384>::length;
template<> const byte PKCS_DigestDecoration<SHA3_512>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<SHA3_512>::length;
template<> const byte PKCS_DigestDecoration<Weak1::MD2>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<Weak1::MD2>::length;
template<> const byte PKCS_DigestDecoration<Weak1::MD5>::decoration[];
template<> const unsigned int PKCS_DigestDecoration<Weak1::MD5>::length;
#endif
/// \class PKCS1v15_SignatureMessageEncodingMethod
/// \brief PKCS #1 v1.5 Signature Encoding Scheme
/// \sa <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a>