xl: Moved to minio/minio - fixes #1112

pkg/crypto/sha256/sha256.go

@@ -0,0 +1,41 @@
+// +build darwin windows 386 arm !cgo
+
+/*
+ * Minio Cloud Storage, (C) 2014-2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sha256
+
+import (
+	"hash"
+
+	"crypto/sha256"
+)
+
+// Size - The size of a SHA256 checksum in bytes.
+const Size = 32
+
+// BlockSize - The blocksize of SHA256 in bytes.
+const BlockSize = 64
+
+// New returns a new hash.Hash computing SHA256.
+func New() hash.Hash {
+	return sha256.New()
+}
+
+// Sum256 - single caller sha256 helper
+func Sum256(data []byte) [Size]byte {
+	return sha256.Sum256(data)
+}