[webcrypto] Add wrap/unwrap forwarding methods to WebCryptoImpl.

The tests for this will have to be on the blink size.

BUG=245025

Review URL: https://codereview.chromium.org/206833003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@259073 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 57 insertions, 1 deletions

diff --git a/content/child/webcrypto/webcrypto_impl.cc b/content/child/webcrypto/webcrypto_impl.cc
index d0c5196..076df0d 100644
--- a/content/child/webcrypto/webcrypto_impl.cc
+++ b/content/child/webcrypto/webcrypto_impl.cc
@@ -195,6 +195,47 @@ void WebCryptoImpl::verifySignature(const blink::WebCryptoAlgorithm& algorithm,
     result.completeWithBoolean(signature_match);
 }
 
+void WebCryptoImpl::wrapKey(blink::WebCryptoKeyFormat format,
+                            const blink::WebCryptoKey& key,
+                            const blink::WebCryptoKey& wrapping_key,
+                            const blink::WebCryptoAlgorithm& wrap_algorithm,
+                            blink::WebCryptoResult result) {
+  blink::WebArrayBuffer buffer;
+  // TODO(eroman): Use the same parameter ordering.
+  Status status = webcrypto::WrapKey(
+      format, wrapping_key, key, wrap_algorithm, &buffer);
+  if (status.IsError())
+    CompleteWithError(status, &result);
+  else
+    result.completeWithBuffer(buffer);
+}
+
+void WebCryptoImpl::unwrapKey(
+    blink::WebCryptoKeyFormat format,
+    const unsigned char* wrapped_key,
+    unsigned wrapped_key_size,
+    const blink::WebCryptoKey& wrapping_key,
+    const blink::WebCryptoAlgorithm& unwrap_algorithm,
+    const blink::WebCryptoAlgorithm& unwrapped_key_algorithm,
+    bool extractable,
+    blink::WebCryptoKeyUsageMask usages,
+    blink::WebCryptoResult result) {
+  blink::WebCryptoKey key = blink::WebCryptoKey::createNull();
+  Status status =
+      webcrypto::UnwrapKey(format,
+                           webcrypto::CryptoData(wrapped_key, wrapped_key_size),
+                           wrapping_key,
+                           unwrap_algorithm,
+                           unwrapped_key_algorithm,
+                           extractable,
+                           usages,
+                           &key);
+  if (status.IsError())
+    CompleteWithError(status, &result);
+  else
+    result.completeWithKey(key);
+}
+
 bool WebCryptoImpl::digestSynchronous(
     const blink::WebCryptoAlgorithmId algorithm_id,
     const unsigned char* data,
diff --git a/content/child/webcrypto/webcrypto_impl.h b/content/child/webcrypto/webcrypto_impl.h
index 9cc7c36..bdb3928 100644
--- a/content/child/webcrypto/webcrypto_impl.h
+++ b/content/child/webcrypto/webcrypto_impl.h
@@ -61,7 +61,22 @@ class WebCryptoImpl : public blink::WebCrypto {
                                unsigned int signature_size,
                                const unsigned char* data,
                                unsigned int data_size,
-                               blink::WebCryptoResult result);
+                              blink::WebCryptoResult result);
+  virtual void wrapKey(blink::WebCryptoKeyFormat format,
+                       const blink::WebCryptoKey& key,
+                       const blink::WebCryptoKey& wrapping_key,
+                       const blink::WebCryptoAlgorithm& wrap_algorithm,
+                       blink::WebCryptoResult result);
+  virtual void unwrapKey(
+      blink::WebCryptoKeyFormat format,
+      const unsigned char* wrapped_key,
+      unsigned wrapped_key_size,
+      const blink::WebCryptoKey& wrapping_key,
+      const blink::WebCryptoAlgorithm& unwrap_algorithm,
+      const blink::WebCryptoAlgorithm& unwrapped_key_algorithm,
+      bool extractable,
+      blink::WebCryptoKeyUsageMask usages,
+      blink::WebCryptoResult result);
   // This method synchronously computes a digest for the given data, returning
   // |true| if successful and |false| otherwise.
   virtual bool digestSynchronous(const blink::WebCryptoAlgorithmId algorithm_id,