1 files changed, 25 insertions, 0 deletions
diff --git a/internal/cryptoutil/sha.go b/internal/cryptoutil/sha.go
new file mode 100644
index 00000000..d829d526
--- /dev/null
+++ b/internal/cryptoutil/sha.go
@@ -0,0 +1,25 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cryptoutil
+
+import (
+	"crypto/sha1"
+	"crypto/sha256"
+	"encoding/hex"
+)
+
+// SHA1 encodes string to hexadecimal of SHA1 checksum.
+func SHA1(str string) string {
+	h := sha1.New()
+	_, _ = h.Write([]byte(str))
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+// SHA256 encodes string to hexadecimal of SHA256 checksum.
+func SHA256(str string) string {
+	h := sha256.New()
+	_, _ = h.Write([]byte(str))
+	return hex.EncodeToString(h.Sum(nil))
+}