123 lines
4.6 KiB
C++
123 lines
4.6 KiB
C++
/*
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* Copyright (C) 2021 Sony Interactive Entertainment Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CryptoAlgorithmRSA_PSS.h"
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#if ENABLE(WEB_CRYPTO) && HAVE(RSA_PSS)
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#include "CryptoAlgorithmRsaPssParams.h"
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#include "CryptoKeyRSA.h"
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#include "OpenSSLUtilities.h"
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namespace WebCore {
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ExceptionOr<Vector<uint8_t>> CryptoAlgorithmRSA_PSS::platformSign(const CryptoAlgorithmRsaPssParams& parameters, const CryptoKeyRSA& key, const Vector<uint8_t>& data)
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{
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#if defined(EVP_PKEY_CTX_set_rsa_pss_saltlen) && defined(EVP_PKEY_CTX_set_rsa_mgf1_md)
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const EVP_MD* md = digestAlgorithm(key.hashAlgorithmIdentifier());
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if (!md)
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return Exception { NotSupportedError };
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std::optional<Vector<uint8_t>> digest = calculateDigest(md, data);
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if (!digest)
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return Exception { OperationError };
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auto ctx = EvpPKeyCtxPtr(EVP_PKEY_CTX_new(key.platformKey(), nullptr));
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if (!ctx)
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return Exception { OperationError };
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if (EVP_PKEY_sign_init(ctx.get()) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_PSS_PADDING ) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx.get(), parameters.saltLength) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_signature_md(ctx.get(), md) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), md) <= 0)
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return Exception { OperationError };
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size_t signatureLen;
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if (EVP_PKEY_sign(ctx.get(), nullptr, &signatureLen, digest->data(), digest->size()) <= 0)
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return Exception { OperationError };
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Vector<uint8_t> signature(signatureLen);
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if (EVP_PKEY_sign(ctx.get(), signature.data(), &signatureLen, digest->data(), digest->size()) <= 0)
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return Exception { OperationError };
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signature.shrink(signatureLen);
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return signature;
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#else
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return Exception { NotSupportedError };
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#endif
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}
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ExceptionOr<bool> CryptoAlgorithmRSA_PSS::platformVerify(const CryptoAlgorithmRsaPssParams& parameters, const CryptoKeyRSA& key, const Vector<uint8_t>& signature, const Vector<uint8_t>& data)
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{
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#if defined(EVP_PKEY_CTX_set_rsa_pss_saltlen) && defined(EVP_PKEY_CTX_set_rsa_mgf1_md)
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const EVP_MD* md = digestAlgorithm(key.hashAlgorithmIdentifier());
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if (!md)
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return Exception { NotSupportedError };
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std::optional<Vector<uint8_t>> digest = calculateDigest(md, data);
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if (!digest)
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return Exception { OperationError };
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auto ctx = EvpPKeyCtxPtr(EVP_PKEY_CTX_new(key.platformKey(), nullptr));
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if (!ctx)
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return Exception { OperationError };
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if (EVP_PKEY_verify_init(ctx.get()) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_PSS_PADDING ) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx.get(), parameters.saltLength) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_signature_md(ctx.get(), md) <= 0)
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return Exception { OperationError };
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if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), md) <= 0)
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return Exception { OperationError };
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int ret = EVP_PKEY_verify(ctx.get(), signature.data(), signature.size(), digest->data(), digest->size());
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return ret == 1;
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#else
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return Exception { NotSupportedError };
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#endif
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}
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} // namespace WebCore
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#endif // ENABLE(WEB_CRYPTO)
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