Transfer WebCrypto databuffers across the Blink API using blink::WebVector.

components/webcrypto/webcrypto_impl.h

 // 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.
 
 #ifndef COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 #define COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 
 namespace webcrypto {
 
 // Wrapper around the Blink WebCrypto asynchronous interface, which forwards to
 // the synchronous OpenSSL implementation.
 //
 // WebCryptoImpl is threadsafe.
 //
 // EnsureInit() must be called prior to using methods on WebCryptoImpl().
 class WebCryptoImpl : public blink::WebCrypto {
  public:
   WebCryptoImpl();
 
   ~WebCryptoImpl() override;
 
   void encrypt(const blink::WebCryptoAlgorithm& algorithm,
                const blink::WebCryptoKey& key,
-               const unsigned char* data,
-               unsigned int data_size,
+               blink::WebVector<unsigned char> data,
                blink::WebCryptoResult result) override;
   void decrypt(const blink::WebCryptoAlgorithm& algorithm,
                const blink::WebCryptoKey& key,
-               const unsigned char* data,
-               unsigned int data_size,
+               blink::WebVector<unsigned char> data,
                blink::WebCryptoResult result) override;
   void digest(const blink::WebCryptoAlgorithm& algorithm,
-              const unsigned char* data,
-              unsigned int data_size,
+              blink::WebVector<unsigned char> data,
               blink::WebCryptoResult result) override;
   void generateKey(const blink::WebCryptoAlgorithm& algorithm,
                    bool extractable,
                    blink::WebCryptoKeyUsageMask usages,
                    blink::WebCryptoResult result) override;
   void importKey(blink::WebCryptoKeyFormat format,
-                 const unsigned char* key_data,
-                 unsigned int key_data_size,
+                 blink::WebVector<unsigned char> key_data,
                  const blink::WebCryptoAlgorithm& algorithm,
                  bool extractable,
                  blink::WebCryptoKeyUsageMask usages,
                  blink::WebCryptoResult result) override;
   void exportKey(blink::WebCryptoKeyFormat format,
                  const blink::WebCryptoKey& key,
                  blink::WebCryptoResult result) override;
   void sign(const blink::WebCryptoAlgorithm& algorithm,
             const blink::WebCryptoKey& key,
-            const unsigned char* data,
-            unsigned int data_size,
+            blink::WebVector<unsigned char> data,
             blink::WebCryptoResult result) override;
   void verifySignature(const blink::WebCryptoAlgorithm& algorithm,
                        const blink::WebCryptoKey& key,
-                       const unsigned char* signature,
-                       unsigned int signature_size,
-                       const unsigned char* data,
-                       unsigned int data_size,
+                       blink::WebVector<unsigned char> signature,
+                       blink::WebVector<unsigned char> data,
                        blink::WebCryptoResult result) override;
   void wrapKey(blink::WebCryptoKeyFormat format,
                const blink::WebCryptoKey& key,
                const blink::WebCryptoKey& wrapping_key,
                const blink::WebCryptoAlgorithm& wrap_algorithm,
                blink::WebCryptoResult result) override;
   void unwrapKey(blink::WebCryptoKeyFormat format,
-                 const unsigned char* wrapped_key,
-                 unsigned wrapped_key_size,
+                 blink::WebVector<unsigned char> wrapped_key,
                  const blink::WebCryptoKey& wrapping_key,
                  const blink::WebCryptoAlgorithm& unwrap_algorithm,
                  const blink::WebCryptoAlgorithm& unwrapped_key_algorithm,
                  bool extractable,
                  blink::WebCryptoKeyUsageMask usages,
                  blink::WebCryptoResult result) override;
 
   void deriveBits(const blink::WebCryptoAlgorithm& algorithm,
                   const blink::WebCryptoKey& base_key,
                   unsigned int length_bits,
@@ skipping 25 matching lines @@
   bool serializeKeyForClone(const blink::WebCryptoKey& key,
                             blink::WebVector<unsigned char>& key_data) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
 };
 
 }  // namespace webcrypto
 
 #endif  // COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_