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/***************************************************************************
* fqterm, a terminal emulator for both BBS and *nix. *
* Copyright (C) 2008 fqterm development group. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include "fqterm_trace.h"
#include "fqterm_ssh_mac.h"
#include "fqterm_ssh_packet.h"
namespace FQTerm {
void FQTermSSHSHA1::setKey(const unsigned char *key) {
memcpy(key_, key, keySize());
}
int FQTermSSHSHA1::keySize() const {
return SHA_DIGEST_LENGTH;
}
int FQTermSSHSHA1::digestSize() const {
return SHA_DIGEST_LENGTH;
}
void FQTermSSHSHA1::getDigest(const unsigned char *data, int len, unsigned char *digest) const {
unsigned int tmp;
HMAC(EVP_sha1(), key_, SHA_DIGEST_LENGTH, data, len, digest, &tmp);
FQ_TRACE("SHA1", 9) << "Key: \n" << dumpHexString << std::string((char *)key_, SHA_DIGEST_LENGTH);
FQ_TRACE("SHA1", 9) << "data len:" << len;
FQ_TRACE("SHA1", 9) << "data:\n" << dumpHexString << std::string((char *)data, len);
FQ_TRACE("SHA1", 9) << "digest len:" << tmp;
FQ_TRACE("SHA1", 9) << "digest:\n" << dumpHexString << std::string((char *)digest, tmp);
}
} // namespace FQTerm
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