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c65d9aa168
* [DEV-97] Moved github.com/daglabs/btcutil into github.com/daglabs/btcd/btcutil. * [DEV-97] Updated Gopkg.toml to no longer refer to btcutil. * [DEV-97] Renamed btcutil to util.
24 lines
529 B
Go
24 lines
529 B
Go
// Copyright (c) 2013-2017 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package util
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import (
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"crypto/sha256"
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"hash"
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"golang.org/x/crypto/ripemd160"
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)
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// Calculate the hash of hasher over buf.
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func calcHash(buf []byte, hasher hash.Hash) []byte {
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hasher.Write(buf)
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return hasher.Sum(nil)
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}
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// Hash160 calculates the hash ripemd160(sha256(b)).
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func Hash160(buf []byte) []byte {
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return calcHash(calcHash(buf, sha256.New()), ripemd160.New())
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}
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