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authorLibravatar Terin Stock <terinjokes@gmail.com>2025-03-09 17:47:56 +0100
committerLibravatar Terin Stock <terinjokes@gmail.com>2025-03-10 01:59:49 +0100
commit3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch)
treef61faa581feaaeaba2542b9f2b8234a590684413 /vendor/golang.org/x/crypto/sha3/hashes.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/golang.org/x/crypto/sha3/hashes.go')
-rw-r--r--vendor/golang.org/x/crypto/sha3/hashes.go128
1 files changed, 0 insertions, 128 deletions
diff --git a/vendor/golang.org/x/crypto/sha3/hashes.go b/vendor/golang.org/x/crypto/sha3/hashes.go
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--- a/vendor/golang.org/x/crypto/sha3/hashes.go
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-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package sha3
-
-// This file provides functions for creating instances of the SHA-3
-// and SHAKE hash functions, as well as utility functions for hashing
-// bytes.
-
-import (
- "crypto"
- "hash"
-)
-
-// 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 new224()
-}
-
-// 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 new256()
-}
-
-// 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 new384()
-}
-
-// 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 new512()
-}
-
-func init() {
- crypto.RegisterHash(crypto.SHA3_224, New224)
- crypto.RegisterHash(crypto.SHA3_256, New256)
- crypto.RegisterHash(crypto.SHA3_384, New384)
- crypto.RegisterHash(crypto.SHA3_512, New512)
-}
-
-const (
- dsbyteSHA3 = 0b00000110
- dsbyteKeccak = 0b00000001
- dsbyteShake = 0b00011111
- dsbyteCShake = 0b00000100
-
- // rateK[c] is the rate in bytes for Keccak[c] where c is the capacity in
- // bits. Given the sponge size is 1600 bits, the rate is 1600 - c bits.
- rateK256 = (1600 - 256) / 8
- rateK448 = (1600 - 448) / 8
- rateK512 = (1600 - 512) / 8
- rateK768 = (1600 - 768) / 8
- rateK1024 = (1600 - 1024) / 8
-)
-
-func new224Generic() *state {
- return &state{rate: rateK448, outputLen: 28, dsbyte: dsbyteSHA3}
-}
-
-func new256Generic() *state {
- return &state{rate: rateK512, outputLen: 32, dsbyte: dsbyteSHA3}
-}
-
-func new384Generic() *state {
- return &state{rate: rateK768, outputLen: 48, dsbyte: dsbyteSHA3}
-}
-
-func new512Generic() *state {
- return &state{rate: rateK1024, outputLen: 64, dsbyte: dsbyteSHA3}
-}
-
-// 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: rateK512, outputLen: 32, dsbyte: dsbyteKeccak}
-}
-
-// 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: rateK1024, outputLen: 64, dsbyte: dsbyteKeccak}
-}
-
-// Sum224 returns the SHA3-224 digest of the data.
-func Sum224(data []byte) (digest [28]byte) {
- h := New224()
- h.Write(data)
- h.Sum(digest[:0])
- return
-}
-
-// Sum256 returns the SHA3-256 digest of the data.
-func Sum256(data []byte) (digest [32]byte) {
- h := New256()
- h.Write(data)
- h.Sum(digest[:0])
- return
-}
-
-// Sum384 returns the SHA3-384 digest of the data.
-func Sum384(data []byte) (digest [48]byte) {
- h := New384()
- h.Write(data)
- h.Sum(digest[:0])
- return
-}
-
-// Sum512 returns the SHA3-512 digest of the data.
-func Sum512(data []byte) (digest [64]byte) {
- h := New512()
- h.Write(data)
- h.Sum(digest[:0])
- return
-}