| // Copyright 2020 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. |
| |
| #include "components/webcrypto/algorithm_implementation.h" |
| #include "components/webcrypto/status.h" |
| |
| namespace webcrypto { |
| |
| namespace { |
| |
| // This class implements the key agreement algorithm using the X25519 function |
| // based on Curve25519 specified by RFC 7748, to which is also referred as the |
| // X25519 algorithm by RFC 8410. |
| // |
| // TODO(crbug.com/1032821): See also |
| // https://chromestatus.com/feature/4913922408710144. |
| class X25519Implementation : public AlgorithmImplementation { |
| public: |
| Status DeriveBits(const blink::WebCryptoAlgorithm& algorithm, |
| const blink::WebCryptoKey& base_key, |
| bool has_optional_length_bits, |
| unsigned int optional_length_bits, |
| std::vector<uint8_t>* derived_bytes) const override { |
| // TODO(crbug.com/1032821): Implement this. |
| return Status::ErrorUnsupported(); |
| } |
| }; |
| |
| } // namespace |
| |
| std::unique_ptr<AlgorithmImplementation> CreateX25519Implementation() { |
| return std::make_unique<X25519Implementation>(); |
| } |
| |
| } // namespace webcrypto |
