html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/openssl/rsa_hashed_algorithm_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_HASHED_ALGORITHM_OPENSSL_H_
-#define CONTENT_CHILD_WEBCRYPTO_OPENSSL_RSA_HASHED_ALGORITHM_OPENSSL_H_
-
-#include "content/child/webcrypto/algorithm_implementation.h"
-
-namespace content {
-
-namespace webcrypto {
-
-// Base class for an RSA algorithm whose keys additionaly have a hash parameter
-// bound to them. Provides functionality for generating, importing, and
-// exporting keys.
-class RsaHashedAlgorithm : public AlgorithmImplementation {
- public:
-  // |all_public_key_usages| and |all_private_key_usages| are the set of
-  // WebCrypto key usages that are valid for created keys (public and private
-  // respectively).
-  //
-  // For instance if public keys support encryption and wrapping, and private
-  // 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) {}
-
-  // For instance "RSA-OAEP-256".
-  virtual const char* GetJwkAlgorithm(
-      const blink::WebCryptoAlgorithmId hash) const = 0;
-
-  Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
-                     bool extractable,
-                     blink::WebCryptoKeyUsageMask usages,
-                     GenerateKeyResult* result) const override;
-
-  Status VerifyKeyUsagesBeforeImportKey(
-      blink::WebCryptoKeyFormat format,
-      blink::WebCryptoKeyUsageMask usages) const override;
-
-  Status ImportKeyPkcs8(const CryptoData& key_data,
-                        const blink::WebCryptoAlgorithm& algorithm,
-                        bool extractable,
-                        blink::WebCryptoKeyUsageMask usages,
-                        blink::WebCryptoKey* key) const override;
-
-  Status ImportKeySpki(const CryptoData& key_data,
-                       const blink::WebCryptoAlgorithm& algorithm,
-                       bool extractable,
-                       blink::WebCryptoKeyUsageMask usages,
-                       blink::WebCryptoKey* key) const override;
-
-  Status ImportKeyJwk(const CryptoData& key_data,
-                      const blink::WebCryptoAlgorithm& algorithm,
-                      bool extractable,
-                      blink::WebCryptoKeyUsageMask usages,
-                      blink::WebCryptoKey* key) const override;
-
-  Status ExportKeyPkcs8(const blink::WebCryptoKey& key,
-                        std::vector<uint8_t>* buffer) const override;
-
-  Status ExportKeySpki(const blink::WebCryptoKey& key,
-                       std::vector<uint8_t>* buffer) const override;
-
-  Status ExportKeyJwk(const blink::WebCryptoKey& key,
-                      std::vector<uint8_t>* buffer) const override;
-
-  Status SerializeKeyForClone(
-      const blink::WebCryptoKey& key,
-      blink::WebVector<uint8_t>* key_data) const override;
-
-  Status DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
-                                blink::WebCryptoKeyType type,
-                                bool extractable,
-                                blink::WebCryptoKeyUsageMask usages,
-                                const CryptoData& key_data,
-                                blink::WebCryptoKey* key) const override;
-
- private:
-  const blink::WebCryptoKeyUsageMask all_public_key_usages_;
-  const blink::WebCryptoKeyUsageMask all_private_key_usages_;
-};
-
-}  // namespace webcrypto
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEBCRYPTO_OPENSSL_RSA_HASHED_ALGORITHM_OPENSSL_H_