mirror of
https://github.com/ClickHouse/ClickHouse.git
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b79ead9c84
* Replicate poco into base/poco/ * De-register poco submodule * Build poco from ClickHouse * Exclude poco from stylecheck * Exclude poco from whitespace check * Exclude poco from typo check * Remove x bit from sources/headers (the style check complained) * Exclude poco from duplicate include check * Fix fasttest * Remove contrib/poco-cmake/* * Simplify poco build descriptions * Remove poco stuff not used by ClickHouse * Glob poco sources * Exclude poco from clang-tidy
97 lines
1.8 KiB
C++
97 lines
1.8 KiB
C++
//
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// RSADigestEngine.cpp
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//
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// Library: Crypto
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// Package: RSA
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// Module: RSADigestEngine
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//
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// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Crypto/RSADigestEngine.h"
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#include <openssl/rsa.h>
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namespace Poco {
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namespace Crypto {
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RSADigestEngine::RSADigestEngine(const RSAKey& key, DigestType digestType):
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_key(key),
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_engine(digestType == DIGEST_MD5 ? "MD5" : "SHA1")
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{
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}
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RSADigestEngine::RSADigestEngine(const RSAKey& key, const std::string &name):
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_key(key),
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_engine(name)
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{
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}
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RSADigestEngine::~RSADigestEngine()
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{
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}
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std::size_t RSADigestEngine::digestLength() const
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{
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return _engine.digestLength();
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}
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void RSADigestEngine::reset()
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{
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_engine.reset();
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_digest.clear();
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_signature.clear();
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}
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const DigestEngine::Digest& RSADigestEngine::digest()
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{
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if (_digest.empty())
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{
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_digest = _engine.digest();
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}
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return _digest;
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}
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const DigestEngine::Digest& RSADigestEngine::signature()
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{
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if (_signature.empty())
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{
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digest();
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_signature.resize(_key.size());
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unsigned sigLen = static_cast<unsigned>(_signature.size());
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RSA_sign(_engine.nid(), &_digest[0], static_cast<unsigned>(_digest.size()), &_signature[0], &sigLen, _key.impl()->getRSA());
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// truncate _sig to sigLen
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if (sigLen < _signature.size())
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_signature.resize(sigLen);
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}
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return _signature;
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}
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bool RSADigestEngine::verify(const DigestEngine::Digest& sig)
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{
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digest();
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DigestEngine::Digest sigCpy = sig; // copy becausse RSA_verify can modify sigCpy
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int ret = RSA_verify(_engine.nid(), &_digest[0], static_cast<unsigned>(_digest.size()), &sigCpy[0], static_cast<unsigned>(sigCpy.size()), _key.impl()->getRSA());
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return ret != 0;
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}
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void RSADigestEngine::updateImpl(const void* data, std::size_t length)
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{
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_engine.update(data, length);
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}
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} } // namespace Poco::Crypto
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