Commit 72caa90b authored by Seblu's avatar Seblu

Ajout de la classe cypher

parent f37968c2
/*
This file is part of SLL.
Copyright (C) 2008 Sebastien LUTTRINGER <contact@seblu.net>
SLL 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; version 2 of the License.
SLL 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 SLL; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "slm.hh"
#include "cypher.hh"
#include <openssl/sha.h>
#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/md5.h>
/**
* return sha1 of data
*
* @param data data to sha1 and base64
* @param size size of data
*
* @return malloc'ed sha1 size
*/
unsigned char *Cypher::sha1(char *data, size_t size) {
unsigned char *md = new unsigned char[SHA_DIGEST_LENGTH];
// compute sha1
SHA1((const unsigned char *) data, size, md);
return md;
}
/**
* return sha1 of data with base64 encoding
*
* @param data data to sha1 and base64
* @param size size of data
*
* @return malloc'ed sha1 size
*/
char *Cypher::sha1_64(char *data, size_t size) {
unsigned char md[SHA_DIGEST_LENGTH];
char *buf;
BIO *bmem, *b64;
BUF_MEM *bptr;
// compute sha1
SHA1((const unsigned char *) data, size, md);
// compute b64
b64 = BIO_new(BIO_f_base64());
bmem = BIO_new(BIO_s_mem());
b64 = BIO_push(b64, bmem);
BIO_write(b64, md, SHA_DIGEST_LENGTH);
BIO_flush(b64);
BIO_get_mem_ptr(b64, &bptr);
if (bptr->length > 0) {
buf2 = new char[bptr->length];
memcpy(buf, bptr->data, bptr->length - 1);
buf[bptr->length - 1] = 0;
}
BIO_free_all(b64);
return buf;
}
/*
This file is part of SLL.
Copyright (C) 2008 Sebastien LUTTRINGER <contact@seblu.net>
SLL 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; version 2 of the License.
SLL 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 SLL; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CYPHER_HH
# define CYPHER_HH
# include <stddef.h>
class Cypher {
public:
unsigned char *sha1(char *, size_t);
unsigned char *sha1_64(char *, size_t);
protected:
};
#endif
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