mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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30 lines
350 B
Go
30 lines
350 B
Go
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package utils
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import (
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"crypto/sha256"
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"hash"
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"sync"
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)
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var hasherPool = sync.Pool{
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New: func() interface{} {
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return sha256.New()
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},
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}
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func Keccak256(data []byte) [32]byte {
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h, ok := hasherPool.Get().(hash.Hash)
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if !ok {
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h = sha256.New()
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}
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defer hasherPool.Put(h)
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h.Reset()
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var b [32]byte
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h.Write(data)
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h.Sum(b[:0])
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return b
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}
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