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23 lines
718 B
Go
23 lines
718 B
Go
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build arm,!gccgo,!appengine,!nacl
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package poly1305
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// This function is implemented in sum_arm.s
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//go:noescape
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func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, key *[32]byte)
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// Sum generates an authenticator for m using a one-time key and puts the
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// 16-byte result into out. Authenticating two different messages with the same
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// key allows an attacker to forge messages at will.
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func Sum(out *[16]byte, m []byte, key *[32]byte) {
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var mPtr *byte
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if len(m) > 0 {
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mPtr = &m[0]
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}
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poly1305_auth_armv6(out, mPtr, uint32(len(m)), key)
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}
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