WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/modules/crypto/SubtleCrypto.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 #include "config.h"
 #include "modules/crypto/SubtleCrypto.h"
 
 #include "core/dom/ExceptionCode.h"
+#include "modules/crypto/CryptoOperation.h"
+#include "modules/crypto/NormalizeAlgorithm.h"
+#include "wtf/ArrayBuffer.h"
 #include "wtf/ArrayBufferView.h"
 
 namespace WebCore {
 
 SubtleCrypto::SubtleCrypto()
 {
     ScriptWrappable::init(this);
 }
 
+PassRefPtr<CryptoOperation> SubtleCrypto::encrypt(const Dictionary& rawAlgorithm, ExceptionCode& ec)
+{
+    WebKit::WebCryptoAlgorithm algorithm;
+    if (!normalizeAlgorithm(rawAlgorithm, Encrypt, algorithm, ec))
+        return 0;
+    return CryptoOperation::create(algorithm);
 }
+
+PassRefPtr<CryptoOperation> SubtleCrypto::decrypt(const Dictionary& rawAlgorithm, ExceptionCode& ec)
+{
+    WebKit::WebCryptoAlgorithm algorithm;
+    if (!normalizeAlgorithm(rawAlgorithm, Decrypt, algorithm, ec))
+        return 0;
+    return CryptoOperation::create(algorithm);
+}
+
+PassRefPtr<CryptoOperation> SubtleCrypto::sign(const Dictionary& rawAlgorithm, ExceptionCode& ec)
+{
+    WebKit::WebCryptoAlgorithm algorithm;
+    if (!normalizeAlgorithm(rawAlgorithm, Sign, algorithm, ec))
+        return 0;
+    return CryptoOperation::create(algorithm);
+}
+
+PassRefPtr<CryptoOperation> SubtleCrypto::verify(const Dictionary& rawAlgorithm, ExceptionCode& ec)
+{
+    WebKit::WebCryptoAlgorithm algorithm;
+    if (!normalizeAlgorithm(rawAlgorithm, Verify, algorithm, ec))
+        return 0;
+    return CryptoOperation::create(algorithm);
+}
+
+PassRefPtr<CryptoOperation> SubtleCrypto::digest(const Dictionary& rawAlgorithm, ExceptionCode& ec)
+{
+    WebKit::WebCryptoAlgorithm algorithm;
+    if (!normalizeAlgorithm(rawAlgorithm, Digest, algorithm, ec))
+        return 0;
+    return CryptoOperation::create(algorithm);
+}
+
+} // namespace WebCore