1 files changed, 21 insertions, 0 deletions
diff --git a/src/crypto/sha256/sha256block_arm64.go b/src/crypto/sha256/sha256block_arm64.go
new file mode 100644
index 0000000..e5da566
--- /dev/null
+++ b/src/crypto/sha256/sha256block_arm64.go
@@ -0,0 +1,21 @@
+// 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 sha256
+
+import "internal/cpu"
+
+var k = _K
+
+//go:noescape
+func sha256block(h []uint32, p []byte, k []uint32)
+
+func block(dig *digest, p []byte) {
+	if !cpu.ARM64.HasSHA2 {
+		blockGeneric(dig, p)
+	} else {
+		h := dig.h[:]
+		sha256block(h, p, k)
+	}
+}