diff options
Diffstat (limited to 'src/corelib/tools/qcryptographichash.cpp')
-rw-r--r-- | src/corelib/tools/qcryptographichash.cpp | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/src/corelib/tools/qcryptographichash.cpp b/src/corelib/tools/qcryptographichash.cpp index 5410adc737..ffad2df053 100644 --- a/src/corelib/tools/qcryptographichash.cpp +++ b/src/corelib/tools/qcryptographichash.cpp @@ -181,13 +181,18 @@ public: #endif }; #ifndef QT_CRYPTOGRAPHICHASH_ONLY_SHA1 - void sha3Finish(int bitCount); + enum class Sha3Variant + { + Sha3, + Keccak + }; + void sha3Finish(int bitCount, Sha3Variant sha3Variant); #endif QByteArray result; }; #ifndef QT_CRYPTOGRAPHICHASH_ONLY_SHA1 -void QCryptographicHashPrivate::sha3Finish(int bitCount) +void QCryptographicHashPrivate::sha3Finish(int bitCount, Sha3Variant sha3Variant) { /* FIPS 202 ยง6.1 defines SHA-3 in terms of calculating the Keccak function @@ -214,7 +219,15 @@ void QCryptographicHashPrivate::sha3Finish(int bitCount) result.resize(bitCount / 8); SHA3Context copy = sha3Context; - sha3Update(©, reinterpret_cast<const BitSequence *>(&sha3FinalSuffix), 2); + + switch (sha3Variant) { + case Sha3Variant::Sha3: + sha3Update(©, reinterpret_cast<const BitSequence *>(&sha3FinalSuffix), 2); + break; + case Sha3Variant::Keccak: + break; + } + sha3Final(©, reinterpret_cast<BitSequence *>(result.data())); } #endif @@ -239,6 +252,10 @@ void QCryptographicHashPrivate::sha3Finish(int bitCount) /*! \enum QCryptographicHash::Algorithm + \note In Qt versions before 5.9, when asked to generate a SHA3 hash sum, + QCryptographicHash actually calculated Keccak. If you need compatibility with + SHA-3 hashes produced by those versions of Qt, use the \c{Keccak_} enumerators. + \value Md4 Generate an MD4 hash sum \value Md5 Generate an MD5 hash sum \value Sha1 Generate an SHA-1 hash sum @@ -250,6 +267,10 @@ void QCryptographicHashPrivate::sha3Finish(int bitCount) \value Sha3_256 Generate an SHA3-256 hash sum. Introduced in Qt 5.1 \value Sha3_384 Generate an SHA3-384 hash sum. Introduced in Qt 5.1 \value Sha3_512 Generate an SHA3-512 hash sum. Introduced in Qt 5.1 + \value Keccak_224 \deprecated Generate a Keccak-224 hash sum. Introduced in Qt 5.10 + \value Keccak_256 \deprecated Generate a Keccak-256 hash sum. Introduced in Qt 5.10 + \value Keccak_384 \deprecated Generate a Keccak-384 hash sum. Introduced in Qt 5.10 + \value Keccak_512 \deprecated Generate a Keccak-512 hash sum. Introduced in Qt 5.10 */ /*! @@ -304,15 +325,19 @@ void QCryptographicHash::reset() SHA512Reset(&d->sha512Context); break; case Sha3_224: + case Keccak_224: sha3Init(&d->sha3Context, 224); break; case Sha3_256: + case Keccak_256: sha3Init(&d->sha3Context, 256); break; case Sha3_384: + case Keccak_384: sha3Init(&d->sha3Context, 384); break; case Sha3_512: + case Keccak_512: sha3Init(&d->sha3Context, 512); break; #endif @@ -355,15 +380,19 @@ void QCryptographicHash::addData(const char *data, int length) SHA512Input(&d->sha512Context, reinterpret_cast<const unsigned char *>(data), length); break; case Sha3_224: + case Keccak_224: sha3Update(&d->sha3Context, reinterpret_cast<const BitSequence *>(data), length*8); break; case Sha3_256: + case Keccak_256: sha3Update(&d->sha3Context, reinterpret_cast<const BitSequence *>(data), length*8); break; case Sha3_384: + case Keccak_384: sha3Update(&d->sha3Context, reinterpret_cast<const BitSequence *>(data), length*8); break; case Sha3_512: + case Keccak_512: sha3Update(&d->sha3Context, reinterpret_cast<const BitSequence *>(data), length*8); break; #endif @@ -463,19 +492,35 @@ QByteArray QCryptographicHash::result() const break; } case Sha3_224: { - d->sha3Finish(224); + d->sha3Finish(224, QCryptographicHashPrivate::Sha3Variant::Sha3); break; } case Sha3_256: { - d->sha3Finish(256); + d->sha3Finish(256, QCryptographicHashPrivate::Sha3Variant::Sha3); break; } case Sha3_384: { - d->sha3Finish(384); + d->sha3Finish(384, QCryptographicHashPrivate::Sha3Variant::Sha3); break; } case Sha3_512: { - d->sha3Finish(512); + d->sha3Finish(512, QCryptographicHashPrivate::Sha3Variant::Sha3); + break; + } + case Keccak_224: { + d->sha3Finish(224, QCryptographicHashPrivate::Sha3Variant::Keccak); + break; + } + case Keccak_256: { + d->sha3Finish(256, QCryptographicHashPrivate::Sha3Variant::Keccak); + break; + } + case Keccak_384: { + d->sha3Finish(384, QCryptographicHashPrivate::Sha3Variant::Keccak); + break; + } + case Keccak_512: { + d->sha3Finish(512, QCryptographicHashPrivate::Sha3Variant::Keccak); break; } #endif |