Index: content/renderer/webcrypto/webcrypto_util.h |
diff --git a/content/renderer/webcrypto/webcrypto_util.h b/content/renderer/webcrypto/webcrypto_util.h |
new file mode 100644 |
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+++ b/content/renderer/webcrypto/webcrypto_util.h |
@@ -0,0 +1,69 @@ |
+// Copyright (c) 2013 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. |
+ |
+#ifndef CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |
+#define CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |
+ |
+#include <map> |
+#include <string> |
+#include <vector> |
+#include "base/basictypes.h" |
+#include "third_party/WebKit/public/platform/WebArrayBuffer.h" |
+#include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
+ |
+namespace content { |
+ |
+// Returns a pointer to the start of |data|, or NULL if it is empty. This is a |
+// convenience function for getting the pointer, and should not be used beyond |
+// the expected lifetime of |data|. |
+const uint8* Start(const std::vector<uint8>& data); |
+ |
+// Shrinks a WebArrayBuffer to a new size. |
+// TODO(eroman): This works by re-allocating a new buffer. It would be better if |
+// the WebArrayBuffer could just be truncated instead. |
+void ShrinkBuffer(WebKit::WebArrayBuffer* buffer, unsigned new_size); |
+ |
+// This function decodes unpadded 'base64url' encoded data, as described in |
+// RFC4648 (http://www.ietf.org/rfc/rfc4648.txt) Section 5. To do this, first |
+// change the incoming data to 'base64' encoding by applying the appropriate |
+// transformation including adding padding if required, and then call a base64 |
+// decoder. |
+// In Web Crypto, this type of encoding is only used inside JWK. |
+bool Base64DecodeUrlSafe(const std::string& input, std::string* output); |
+ |
+WebKit::WebCryptoAlgorithm GetInnerHashAlgorithm( |
eroman
2013/11/07 20:54:37
Can you add a comment similar to:
// Returns the
padolph
2013/11/09 00:33:38
Done.
|
+ const WebKit::WebCryptoAlgorithm& algorithm); |
+ |
+WebKit::WebCryptoAlgorithm CreateAlgorithm(WebKit::WebCryptoAlgorithmId id); |
eroman
2013/11/07 20:54:37
// Creates a WebCryptoAlgorithm without any parame
padolph
2013/11/09 00:33:38
Done.
|
+ |
+WebKit::WebCryptoAlgorithm CreateHmacAlgorithmByDigestLen( |
eroman
2013/11/07 20:54:37
// It is an error to call this with an unsupported
padolph
2013/11/09 00:33:38
Done.
|
+ unsigned short digest_length_bits); |
+ |
+WebKit::WebCryptoAlgorithm CreateHmacAlgorithmByHashId( |
eroman
2013/11/07 20:54:37
// It is an error to call this with a hash_id that
padolph
2013/11/09 00:33:38
Done.
|
+ WebKit::WebCryptoAlgorithmId hash_id); |
+ |
+WebKit::WebCryptoAlgorithm CreateHmacKeyGenAlgorithm( |
eroman
2013/11/07 20:54:37
// It is an error to call this with a hash_id that
padolph
2013/11/09 00:33:38
Done.
|
+ WebKit::WebCryptoAlgorithmId hash_id, |
+ unsigned hash_length); |
eroman
2013/11/07 20:54:37
IMPORTANT: this parameter should be named key_leng
padolph
2013/11/09 00:33:38
Done.
|
+ |
+WebKit::WebCryptoAlgorithm CreateRsaSsaAlgorithm( |
eroman
2013/11/07 20:54:37
// It is an error to call this with a hash_id that
padolph
2013/11/09 00:33:38
Done.
|
+ WebKit::WebCryptoAlgorithmId hash_algorithm_id); |
eroman
2013/11/07 20:54:37
nit: elsewhere this is called hash_id
padolph
2013/11/09 00:33:38
Done.
|
+ |
+WebKit::WebCryptoAlgorithm CreateRsaOaepAlgorithm( |
eroman
2013/11/07 20:54:37
// It is an error to call this with a hash_id that
padolph
2013/11/09 00:33:38
Done.
|
+ WebKit::WebCryptoAlgorithmId hash_algorithm_id); |
eroman
2013/11/07 20:54:37
nit: elsewhere this is called hash_id
padolph
2013/11/09 00:33:38
Done.
|
+ |
+WebKit::WebCryptoAlgorithm CreateAesCbcAlgorithm(const std::vector<uint8>& iv); |
+ |
+WebKit::WebCryptoAlgorithm CreateAesGcmAlgorithm( |
+ const std::vector<uint8>& iv, |
+ const std::vector<uint8>& additional_data, |
+ unsigned char tag_length); |
+ |
+WebKit::WebCryptoAlgorithm CreateAesCbcKeyGenAlgorithm(unsigned short length); |
eroman
2013/11/07 20:54:37
would be good to name parameter length_bits or key
|
+ |
+WebKit::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm(unsigned short length); |
eroman
2013/11/07 20:54:37
ditto.
|
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |