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Diffstat (limited to 'vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go')
-rw-r--r--vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go24
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go
new file mode 100644
index 0000000..f9269c3
--- /dev/null
+++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go
@@ -0,0 +1,24 @@
+// 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,!appengine,!gccgo
+
+package salsa
+
+// This function is implemented in salsa2020_amd64.s.
+
+//go:noescape
+
+func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte)
+
+// XORKeyStream crypts bytes from in to out using the given key and counters.
+// In and out must overlap entirely or not at all. Counter
+// contains the raw salsa20 counter bytes (both nonce and block counter).
+func XORKeyStream(out, in []byte, counter *[16]byte, key *[32]byte) {
+ if len(in) == 0 {
+ return
+ }
+ _ = out[len(in)-1]
+ salsa2020XORKeyStream(&out[0], &in[0], uint64(len(in)), &counter[0], &key[0])
+}