diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/sha3/hashes.go')
-rw-r--r-- | vendor/golang.org/x/crypto/sha3/hashes.go | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/vendor/golang.org/x/crypto/sha3/hashes.go b/vendor/golang.org/x/crypto/sha3/hashes.go index 2b51cf4..4fb38c0 100644 --- a/vendor/golang.org/x/crypto/sha3/hashes.go +++ b/vendor/golang.org/x/crypto/sha3/hashes.go @@ -15,22 +15,48 @@ import ( // New224 creates a new SHA3-224 hash. // Its generic security strength is 224 bits against preimage attacks, // and 112 bits against collision attacks. -func New224() hash.Hash { return &state{rate: 144, outputLen: 28, dsbyte: 0x06} } +func New224() hash.Hash { + if h := new224Asm(); h != nil { + return h + } + return &state{rate: 144, outputLen: 28, dsbyte: 0x06} +} // New256 creates a new SHA3-256 hash. // Its generic security strength is 256 bits against preimage attacks, // and 128 bits against collision attacks. -func New256() hash.Hash { return &state{rate: 136, outputLen: 32, dsbyte: 0x06} } +func New256() hash.Hash { + if h := new256Asm(); h != nil { + return h + } + return &state{rate: 136, outputLen: 32, dsbyte: 0x06} +} // New384 creates a new SHA3-384 hash. // Its generic security strength is 384 bits against preimage attacks, // and 192 bits against collision attacks. -func New384() hash.Hash { return &state{rate: 104, outputLen: 48, dsbyte: 0x06} } +func New384() hash.Hash { + if h := new384Asm(); h != nil { + return h + } + return &state{rate: 104, outputLen: 48, dsbyte: 0x06} +} // New512 creates a new SHA3-512 hash. // Its generic security strength is 512 bits against preimage attacks, // and 256 bits against collision attacks. -func New512() hash.Hash { return &state{rate: 72, outputLen: 64, dsbyte: 0x06} } +func New512() hash.Hash { + if h := new512Asm(); h != nil { + return h + } + return &state{rate: 72, outputLen: 64, dsbyte: 0x06} +} + +// NewLegacyKeccak256 creates a new Keccak-256 hash. +// +// Only use this function if you require compatibility with an existing cryptosystem +// that uses non-standard padding. All other users should use New256 instead. +func NewLegacyKeccak256() hash.Hash { return &state{rate: 136, outputLen: 32, dsbyte: 0x01} } // Sum224 returns the SHA3-224 digest of the data. func Sum224(data []byte) (digest [28]byte) { |