Michael Munday
dccd99e89d
Message-security-assist extension 6 adds support for the SHA-3 and SHAKE algorithms. This CL allows the sha3 package to use these new features. name old speed new speed delta PermutationFunction 328MB/s ± 0% 385MB/s ± 0% +17.28% (p=0.000 n=9+10) Sha3_512_MTU 108MB/s ± 0% 2011MB/s ± 0% +1768.56% (p=0.000 n=10+10) Sha3_384_MTU 149MB/s ± 0% 2437MB/s ± 0% +1534.22% (p=0.000 n=10+10) Sha3_256_MTU 185MB/s ± 0% 2739MB/s ± 0% +1379.93% (p=0.000 n=10+10) Sha3_224_MTU 195MB/s ± 0% 2782MB/s ± 0% +1326.05% (p=0.000 n=10+10) Shake128_MTU 225MB/s ± 0% 4436MB/s ± 0% +1873.18% (p=0.000 n=9+9) Shake256_MTU 209MB/s ± 0% 4521MB/s ± 0% +2059.86% (p=0.000 n=8+10) Shake256_16x 188MB/s ± 0% 1366MB/s ± 0% +624.70% (p=0.000 n=9+10) Shake256_1MiB 212MB/s ± 0% 5861MB/s ± 0% +2666.67% (p=0.000 n=10+10) Sha3_512_1MiB 116MB/s ± 0% 4328MB/s ± 0% +3628.33% (p=0.000 n=10+10) Change-Id: I8ebc503ca2b9eda2ebb361dffdbfe79dd97e1975 Reviewed-on: https://go-review.googlesource.com/59391 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package sha3
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// This file provides functions for creating instances of the SHA-3
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// and SHAKE hash functions, as well as utility functions for hashing
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// bytes.
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import (
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"hash"
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)
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// New224 creates a new SHA3-224 hash.
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// Its generic security strength is 224 bits against preimage attacks,
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// and 112 bits against collision attacks.
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func New224() hash.Hash {
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if h := new224Asm(); h != nil {
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return h
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}
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return &state{rate: 144, outputLen: 28, dsbyte: 0x06}
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}
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// New256 creates a new SHA3-256 hash.
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// Its generic security strength is 256 bits against preimage attacks,
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// and 128 bits against collision attacks.
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func New256() hash.Hash {
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if h := new256Asm(); h != nil {
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return h
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}
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return &state{rate: 136, outputLen: 32, dsbyte: 0x06}
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}
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// New384 creates a new SHA3-384 hash.
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// Its generic security strength is 384 bits against preimage attacks,
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// and 192 bits against collision attacks.
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func New384() hash.Hash {
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if h := new384Asm(); h != nil {
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return h
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}
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return &state{rate: 104, outputLen: 48, dsbyte: 0x06}
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}
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// New512 creates a new SHA3-512 hash.
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// Its generic security strength is 512 bits against preimage attacks,
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// and 256 bits against collision attacks.
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func New512() hash.Hash {
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if h := new512Asm(); h != nil {
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return h
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}
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return &state{rate: 72, outputLen: 64, dsbyte: 0x06}
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}
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// Sum224 returns the SHA3-224 digest of the data.
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func Sum224(data []byte) (digest [28]byte) {
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h := New224()
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h.Write(data)
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h.Sum(digest[:0])
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return
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}
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// Sum256 returns the SHA3-256 digest of the data.
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func Sum256(data []byte) (digest [32]byte) {
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h := New256()
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h.Write(data)
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h.Sum(digest[:0])
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return
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}
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// Sum384 returns the SHA3-384 digest of the data.
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func Sum384(data []byte) (digest [48]byte) {
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h := New384()
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h.Write(data)
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h.Sum(digest[:0])
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return
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}
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// Sum512 returns the SHA3-512 digest of the data.
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func Sum512(data []byte) (digest [64]byte) {
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h := New512()
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h.Write(data)
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h.Sum(digest[:0])
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return
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}
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