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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#ifndef OPEN_SSL_H_801974580936508934568792347506
#define OPEN_SSL_H_801974580936508934568792347506
#include <zen/zstring.h>
#include <zen/sys_error.h>
namespace zen //init OpenSSL before use!
{
enum class RsaStreamType
{
pkix, //base-64-encoded SubjectPublicKeyInfo structure ("BEGIN PUBLIC KEY")
pkcs1, //base-64-encoded RSA number and exponent ("BEGIN RSA PUBLIC KEY")
pkcs1_raw
};
//verify signatures produced with: "openssl dgst -sha256 -sign private.pem -out file.sig file.txt"
void verifySignature(const std::string& message,
const std::string& signature,
const std::string& publicKeyStream,
RsaStreamType streamType); //throw SysError
std::string convertRsaKey(const std::string& keyStream, RsaStreamType typeFrom, RsaStreamType typeTo, bool publicKey); //throw SysError
class TlsContext
{
public:
TlsContext(int socket, //throw SysError
const Zstring& server,
const Zstring* caCertFilePath /*optional: enable certificate validation*/);
~TlsContext();
size_t tryRead( void* buffer, size_t bytesToRead ); //throw SysError; may return short, only 0 means EOF!
size_t tryWrite(const void* buffer, size_t bytesToWrite); //throw SysError; may return short! CONTRACT: bytesToWrite > 0
private:
class Impl;
const std::unique_ptr<Impl> pimpl_;
};
}
#endif //OPEN_SSL_H_801974580936508934568792347506
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