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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "crypto/hmac.h"
+
+#include "base/logging.h"
+
+namespace crypto {
+
+size_t HMAC::DigestLength() const {
+ switch (hash_alg_) {
+ case SHA1:
+ return 20;
+ case SHA256:
+ return 32;
+ default:
+ NOTREACHED();
+ return 0;
+ }
+}
+
+} // namespace crypto