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Diffstat (limited to 'vendor/golang.org/x/crypto/poly1305/sum_arm.go')
-rw-r--r--vendor/golang.org/x/crypto/poly1305/sum_arm.go22
1 files changed, 22 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_arm.go b/vendor/golang.org/x/crypto/poly1305/sum_arm.go
new file mode 100644
index 0000000..5dc321c
--- /dev/null
+++ b/vendor/golang.org/x/crypto/poly1305/sum_arm.go
@@ -0,0 +1,22 @@
+// Copyright 2015 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 arm,!gccgo,!appengine,!nacl
+
+package poly1305
+
+// This function is implemented in sum_arm.s
+//go:noescape
+func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, 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_auth_armv6(out, mPtr, uint32(len(m)), key)
+}