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Diffstat (limited to 'vendor/golang.org/x/crypto/nacl/auth/example_test.go')
-rw-r--r--vendor/golang.org/x/crypto/nacl/auth/example_test.go36
1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/nacl/auth/example_test.go b/vendor/golang.org/x/crypto/nacl/auth/example_test.go
new file mode 100644
index 0000000..02a2cd6
--- /dev/null
+++ b/vendor/golang.org/x/crypto/nacl/auth/example_test.go
@@ -0,0 +1,36 @@
+// Copyright 2017 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.
+
+package auth_test
+
+import (
+ "encoding/hex"
+ "fmt"
+
+ "golang.org/x/crypto/nacl/auth"
+)
+
+func Example() {
+ // Load your secret key from a safe place and reuse it across multiple
+ // Sum calls. (Obviously don't use this example key for anything
+ // real.) If you want to convert a passphrase to a key, use a suitable
+ // package like bcrypt or scrypt.
+ secretKeyBytes, err := hex.DecodeString("6368616e676520746869732070617373776f726420746f206120736563726574")
+ if err != nil {
+ panic(err)
+ }
+
+ var secretKey [32]byte
+ copy(secretKey[:], secretKeyBytes)
+
+ mac := auth.Sum([]byte("hello world"), &secretKey)
+ fmt.Printf("%x\n", *mac)
+ result := auth.Verify(mac[:], []byte("hello world"), &secretKey)
+ fmt.Println(result)
+ badResult := auth.Verify(mac[:], []byte("different message"), &secretKey)
+ fmt.Println(badResult)
+ // Output: eca5a521f3d77b63f567fb0cb6f5f2d200641bc8dada42f60c5f881260c30317
+ // true
+ // false
+}