27 lines
816 B
Go
27 lines
816 B
Go
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// Copyright (c) 2016 Andreas Auernhammer. All rights reserved.
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// Use of this source code is governed by a license that can be
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// found in the LICENSE file.
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// +build !amd64,!386 gccgo appengine nacl
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package chacha
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import "encoding/binary"
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func initialize(state *[64]byte, key []byte, nonce *[16]byte) {
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binary.LittleEndian.PutUint32(state[0:], sigma[0])
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binary.LittleEndian.PutUint32(state[4:], sigma[1])
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binary.LittleEndian.PutUint32(state[8:], sigma[2])
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binary.LittleEndian.PutUint32(state[12:], sigma[3])
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copy(state[16:], key[:])
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copy(state[48:], nonce[:])
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}
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func xorKeyStream(dst, src []byte, block, state *[64]byte, rounds int) int {
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return xorKeyStreamGeneric(dst, src, block, state, rounds)
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}
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func hChaCha20(out *[32]byte, nonce *[16]byte, key *[32]byte) {
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hChaCha20Generic(out, nonce, key)
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}
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