[webcrypto] Add OpenSSL implementation of RSA key generation.

content/child/webcrypto/openssl/rsa_key_openssl.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 CONTENT_CHILD_WEBCRYPTO_OPENSSL_RSA_KEY_OPENSSL_H_
 #define CONTENT_CHILD_WEBCRYPTO_OPENSSL_RSA_KEY_OPENSSL_H_
 
 #include "content/child/webcrypto/algorithm_implementation.h"
 
 namespace content {
@@ skipping 16 matching lines @@
   // keys support decryption and unwrapping callers should set:
   //    all_public_key_usages = UsageEncrypt | UsageWrap
   //    all_private_key_usages = UsageDecrypt | UsageUnwrap
   // This information is used when importing or generating keys, to enforce
   // that valid key usages are allowed.
   RsaHashedAlgorithm(blink::WebCryptoKeyUsageMask all_public_key_usages,
                      blink::WebCryptoKeyUsageMask all_private_key_usages)
       : all_public_key_usages_(all_public_key_usages),
         all_private_key_usages_(all_private_key_usages) {}
 
+  virtual Status VerifyKeyUsagesBeforeGenerateKeyPair(
+      blink::WebCryptoKeyUsageMask combined_usage_mask,
+      blink::WebCryptoKeyUsageMask* public_usage_mask,
+      blink::WebCryptoKeyUsageMask* private_usage_mask) const OVERRIDE;
+
+  virtual Status GenerateKeyPair(
+      const blink::WebCryptoAlgorithm& algorithm,
+      bool extractable,
+      blink::WebCryptoKeyUsageMask public_usage_mask,
+      blink::WebCryptoKeyUsageMask private_usage_mask,
+      blink::WebCryptoKey* public_key,
+      blink::WebCryptoKey* private_key) const OVERRIDE;
+
   virtual Status VerifyKeyUsagesBeforeImportKey(
       blink::WebCryptoKeyFormat format,
       blink::WebCryptoKeyUsageMask usage_mask) const OVERRIDE;
 
   virtual Status ImportKeyPkcs8(const CryptoData& key_data,
                                 const blink::WebCryptoAlgorithm& algorithm,
                                 bool extractable,
                                 blink::WebCryptoKeyUsageMask usage_mask,
                                 blink::WebCryptoKey* key) const OVERRIDE;
 
@@ skipping 12 matching lines @@
  private:
   blink::WebCryptoKeyUsageMask all_public_key_usages_;
   blink::WebCryptoKeyUsageMask all_private_key_usages_;
 };
 
 }  // namespace webcrypto
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_OPENSSL_RSA_KEY_OPENSSL_H_