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Begin OpenSSL crypto implementation

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So far, this only includes the sha256_hash() method. More to come soon
This commit is contained in:
William Brawner 2018-04-03 18:41:00 -05:00
parent cd4eeead62
commit c47fa050fe
1 changed files with 61 additions and 0 deletions
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crypto-openssl.c Executable file
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/*
* Copyright (c) 2018, mod0keecrack
* William Brawner <billybrawner at gmail dot com>
*
* All rights reserved.
*
* This file is part of mod0keecrack.
*
* "THE BEER-WARE LICENSE" (Revision 42):
* William Brawner <billybrawner at gmail dot com> wrote this file. As long as you
* retain this notice you can do whatever you want with this stuff. If we meet
* some day, and you think this stuff is worth it, you can buy me a beer in
* return. William Brawner.
*
* NON-MILITARY-USAGE CLAUSE
* Redistribution and use in source and binary form for military use and
* military research is not permitted. Infringement of these clauses may
* result in publishing the source code of the utilizing applications and
* libraries to the public. As this software is developed, tested and
* reviewed by *international* volunteers, this clause shall not be refused
* due to the matter of *national* security concerns.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE DDK PROJECT BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* File: crypto-openssl.c
* Description: Platform specific implementation of keepassx crypto functions
* on Linux
*/
#include <stdio.h>
#include <openssl/blowfish.h>
#include <openssl/evp.h>
#include <stdbool.h>
#include "helper.h"
#include "mod0keecrack.h"
int aes_transformkey(m0_kdbx_header_entry_t *hdr, uint8_t *tkey, size_t tkeylen) {
}
int aes_decrypt_check(m0_kdbx_header_entry_t *hdr, uint8_t *masterkey, m0_kdbx_payload_t *p) {
}
int sha256_hash(uint8_t *hash, uint8_t *data, size_t len) {
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
EVP_DigestInit(ctx, EVP_sha256());
EVP_DigestUpdate(ctx, data, len);
EVP_DigestFinal(ctx, hash, NULL);
}