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Add NewLegacyKeccak512 hash function #1

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Aug 23, 2019
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Add NewLegacyKeccak512 hash function #1

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6 changes: 6 additions & 0 deletions sha3/hashes.go
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,12 @@ func New512() hash.Hash {
// that uses non-standard padding. All other users should use New256 instead.
func NewLegacyKeccak256() hash.Hash { return &state{rate: 136, outputLen: 32, dsbyte: 0x01} }

// NewLegacyKeccak512 creates a new Keccak-512 hash.
//
// Only use this function if you require compatibility with an existing cryptosystem
// that uses non-standard padding. All other users should use New512 instead.
func NewLegacyKeccak512() hash.Hash { return &state{rate: 72, outputLen: 64, dsbyte: 0x01} }

// Sum224 returns the SHA3-224 digest of the data.
func Sum224(data []byte) (digest [28]byte) {
h := New224()
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