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Diffstat (limited to 'vendor/golang.org/x/crypto/poly1305/sum_ref.go')
-rw-r--r--vendor/golang.org/x/crypto/poly1305/sum_ref.go10
1 files changed, 4 insertions, 6 deletions
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ref.go b/vendor/golang.org/x/crypto/poly1305/sum_ref.go
index b2805a5..c4d59bd 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_ref.go
+++ b/vendor/golang.org/x/crypto/poly1305/sum_ref.go
@@ -2,16 +2,14 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build !amd64,!arm gccgo appengine nacl
-
package poly1305
import "encoding/binary"
-// Sum generates an authenticator for msg 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 *[TagSize]byte, msg []byte, key *[32]byte) {
+// sumGeneric generates an authenticator for msg using a one-time key and
+// puts the 16-byte result into out. This is the generic implementation of
+// Sum and should be called if no assembly implementation is available.
+func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) {
var (
h0, h1, h2, h3, h4 uint32 // the hash accumulators
r0, r1, r2, r3, r4 uint64 // the r part of the key