| /* |
| * Copyright (C) 2021 Sony Interactive Entertainment Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "CryptoAlgorithmRSASSA_PKCS1_v1_5.h" |
| |
| #if ENABLE(WEB_CRYPTO) |
| |
| #include "CryptoKeyRSA.h" |
| #include "OpenSSLUtilities.h" |
| |
| namespace WebCore { |
| |
| ExceptionOr<Vector<uint8_t>> CryptoAlgorithmRSASSA_PKCS1_v1_5::platformSign(const CryptoKeyRSA& key, const Vector<uint8_t>& data) |
| { |
| const EVP_MD* md = digestAlgorithm(key.hashAlgorithmIdentifier()); |
| if (!md) |
| return Exception { NotSupportedError }; |
| |
| std::optional<Vector<uint8_t>> digest = calculateDigest(md, data); |
| if (!digest) |
| return Exception { OperationError }; |
| |
| auto ctx = EvpPKeyCtxPtr(EVP_PKEY_CTX_new(key.platformKey(), nullptr)); |
| if (!ctx) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_sign_init(ctx.get()) <= 0) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_PADDING) <= 0) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_CTX_set_signature_md(ctx.get(), md) <= 0) |
| return Exception { OperationError }; |
| |
| size_t signatureLen; |
| if (EVP_PKEY_sign(ctx.get(), nullptr, &signatureLen, digest->data(), digest->size()) <= 0) |
| return Exception { OperationError }; |
| |
| Vector<uint8_t> signature(signatureLen); |
| if (EVP_PKEY_sign(ctx.get(), signature.data(), &signatureLen, digest->data(), digest->size()) <= 0) |
| return Exception { OperationError }; |
| signature.shrink(signatureLen); |
| |
| return signature; |
| } |
| |
| ExceptionOr<bool> CryptoAlgorithmRSASSA_PKCS1_v1_5::platformVerify(const CryptoKeyRSA& key, const Vector<uint8_t>& signature, const Vector<uint8_t>& data) |
| { |
| const EVP_MD* md = digestAlgorithm(key.hashAlgorithmIdentifier()); |
| if (!md) |
| return Exception { NotSupportedError }; |
| |
| std::optional<Vector<uint8_t>> digest = calculateDigest(md, data); |
| if (!digest) |
| return Exception { OperationError }; |
| |
| auto ctx = EvpPKeyCtxPtr(EVP_PKEY_CTX_new(key.platformKey(), nullptr)); |
| if (!ctx) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_verify_init(ctx.get()) <= 0) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_PADDING) <= 0) |
| return Exception { OperationError }; |
| |
| if (EVP_PKEY_CTX_set_signature_md(ctx.get(), md) <= 0) |
| return Exception { OperationError }; |
| |
| int ret = EVP_PKEY_verify(ctx.get(), signature.data(), signature.size(), digest->data(), digest->size()); |
| |
| return ret == 1; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEB_CRYPTO) |