[webcrypto] Implement structured clone of keys (chromium-side).

content/child/webcrypto/webcrypto_util.cc

 // Copyright 2014 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 "content/child/webcrypto/webcrypto_util.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
@@ skipping 238 matching lines @@
 }
 
 blink::WebCryptoAlgorithm CreateHmacImportAlgorithm(
     blink::WebCryptoAlgorithmId hash_id) {
   DCHECK(IsHashAlgorithm(hash_id));
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdHmac,
       new blink::WebCryptoHmacImportParams(CreateAlgorithm(hash_id)));
 }
 
+blink::WebCryptoAlgorithm CreateRsaHashedImportAlgorithm(
+    blink::WebCryptoAlgorithmId id,
+    blink::WebCryptoAlgorithmId hash_id) {
+  DCHECK(IsHashAlgorithm(hash_id));
+  DCHECK(id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
+         id == blink::WebCryptoAlgorithmIdRsaOaep);

[Ryan Sleevi, 2014/03/14 20:54:11]

No PSS?

[eroman, 2014/03/14 21:16:25]

Not yet defined in blink, so no ID for such. Will expand it once those are added
(been adding the stuff piecemeal as it is needed)

+  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
+      id, new blink::WebCryptoRsaHashedImportParams(CreateAlgorithm(hash_id)));
+}
+
 blink::WebCryptoAlgorithm CreateRsaSsaImportAlgorithm(
     blink::WebCryptoAlgorithmId hash_id) {
-  DCHECK(IsHashAlgorithm(hash_id));
-  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
-      new blink::WebCryptoRsaHashedImportParams(CreateAlgorithm(hash_id)));
+  return CreateRsaHashedImportAlgorithm(
+      blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, hash_id);
 }
 
 blink::WebCryptoAlgorithm CreateRsaOaepImportAlgorithm(
     blink::WebCryptoAlgorithmId hash_id) {
-  DCHECK(IsHashAlgorithm(hash_id));
-  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdRsaOaep,
-      new blink::WebCryptoRsaHashedImportParams(CreateAlgorithm(hash_id)));
+  return CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
+                                        hash_id);
 }
 
 unsigned int ShaBlockSizeBytes(blink::WebCryptoAlgorithmId hash_id) {
   switch (hash_id) {
     case blink::WebCryptoAlgorithmIdSha1:
     case blink::WebCryptoAlgorithmIdSha224:
     case blink::WebCryptoAlgorithmIdSha256:
       return 64;
     case blink::WebCryptoAlgorithmIdSha384:
     case blink::WebCryptoAlgorithmIdSha512:
@@ skipping 25 matching lines @@
           new blink::WebCryptoAesKeyAlgorithmParams(keylen_bytes * 8));
       return true;
     default:
       return false;
   }
 }
 
 }  // namespace webcrypto
 
 }  // namespace content