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

The serialized format saves keys as:
  * spki for public RSA keys
  * pkcs8 for private RSA keys
  * raw for AES and HMAC keys

The testing for this is done on the blink side by (see https://codereview.chromium.org/195543002/)

[2] PKCS8 import/export is not yet implemented. I will re-visit the serialization of private keys in a follow-up change.

BUG=245025

Review URL: https://codereview.chromium.org/196513002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@257723 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 25 insertions, 0 deletions

diff --git a/content/child/webcrypto/webcrypto_impl.cc b/content/child/webcrypto/webcrypto_impl.cc
index 1af726d..97d1372 100644
--- a/content/child/webcrypto/webcrypto_impl.cc
+++ b/content/child/webcrypto/webcrypto_impl.cc
@@ -207,4 +207,29 @@ bool WebCryptoImpl::digestSynchronous(
       .IsSuccess();
 }
 
+bool WebCryptoImpl::deserializeKeyForClone(
+    const blink::WebCryptoKeyAlgorithm& algorithm,
+    blink::WebCryptoKeyType type,
+    bool extractable,
+    blink::WebCryptoKeyUsageMask usages,
+    const unsigned char* key_data,
+    unsigned key_data_size,
+    blink::WebCryptoKey& key) {
+  Status status = webcrypto::DeserializeKeyForClone(
+      algorithm,
+      type,
+      extractable,
+      usages,
+      webcrypto::CryptoData(key_data, key_data_size),
+      &key);
+  return status.IsSuccess();
+}
+
+bool WebCryptoImpl::serializeKeyForClone(
+    const blink::WebCryptoKey& key,
+    blink::WebVector<unsigned char>& key_data) {
+  Status status = webcrypto::SerializeKeyForClone(key, &key_data);
+  return status.IsSuccess();
+}
+
 }  // namespace content