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moby--moby/vendor/golang.org/x/crypto/poly1305/sum_amd64.go
Christy Perez 008b217844 revendor logrus and x/crypto
this fixes the issue that was blocking a test from running on ppc64le.
the logrus revendor changes the color code used in that same test, so
that breaks the test for all platforms (updated in this pr)

Signed-off-by: Christy Perez <christy@linux.vnet.ibm.com>
2017-09-14 11:05:47 -05:00

22 lines
694 B
Go

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!gccgo,!appengine
package poly1305
// This function is implemented in sum_amd64.s
//go:noescape
func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]byte)
// Sum generates an authenticator for m using a one-time key and puts the
// 16-byte result into out. Authenticating two different messages with the same
// key allows an attacker to forge messages at will.
func Sum(out *[16]byte, m []byte, key *[32]byte) {
var mPtr *byte
if len(m) > 0 {
mPtr = &m[0]
}
poly1305(out, mPtr, uint64(len(m)), key)
}