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15e81637ab
- In Go 1.21 the crypto/sha256 [got a massive
improvement](https://go.dev/doc/go1.21#crypto/sha256) by utilizing the
SHA instructions for AMD64 CPUs, which sha256-simd already was doing.
The performance is now on par and I think it's preferable to use the
standard library rather than a package when possible.
```
cpu: AMD Ryzen 5 3600X 6-Core Processor
│ simd.txt │ go.txt │
│ sec/op │ sec/op vs base │
Hash/8Bytes-12 63.25n ± 1% 73.38n ± 1% +16.02% (p=0.002 n=6)
Hash/64Bytes-12 98.73n ± 1% 105.30n ± 1% +6.65% (p=0.002 n=6)
Hash/1K-12 567.2n ± 1% 572.8n ± 1% +0.99% (p=0.002 n=6)
Hash/8K-12 4.062µ ± 1% 4.062µ ± 1% ~ (p=0.396 n=6)
Hash/1M-12 512.1µ ± 0% 510.6µ ± 1% ~ (p=0.485 n=6)
Hash/5M-12 2.556m ± 1% 2.564m ± 0% ~ (p=0.093 n=6)
Hash/10M-12 5.112m ± 0% 5.127m ± 0% ~ (p=0.093 n=6)
geomean 13.82µ 14.27µ +3.28%
│ simd.txt │ go.txt │
│ B/s │ B/s vs base │
Hash/8Bytes-12 120.6Mi ± 1% 104.0Mi ± 1% -13.81% (p=0.002 n=6)
Hash/64Bytes-12 618.2Mi ± 1% 579.8Mi ± 1% -6.22% (p=0.002 n=6)
Hash/1K-12 1.682Gi ± 1% 1.665Gi ± 1% -0.98% (p=0.002 n=6)
Hash/8K-12 1.878Gi ± 1% 1.878Gi ± 1% ~ (p=0.310 n=6)
Hash/1M-12 1.907Gi ± 0% 1.913Gi ± 1% ~ (p=0.485 n=6)
Hash/5M-12 1.911Gi ± 1% 1.904Gi ± 0% ~ (p=0.093 n=6)
Hash/10M-12 1.910Gi ± 0% 1.905Gi ± 0% ~ (p=0.093 n=6)
geomean 1.066Gi 1.032Gi -3.18%
```
(cherry picked from commit abd94ff5b5)
17 lines
340 B
Go
17 lines
340 B
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package base
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import (
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"crypto/sha256"
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"encoding/hex"
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"golang.org/x/crypto/pbkdf2"
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)
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func HashToken(token, salt string) string {
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tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
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return hex.EncodeToString(tempHash)
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}
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