mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-05-19 22:48:01 +02:00
31b79ae952
* Cleaned up deprecation warnings in 'lib/rdhash.cpp'. * Added a 'sha1_test' test harness in 'tests/'. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
// rdhash.cpp
|
|
//
|
|
// Functions for generating and verifying hashes.
|
|
//
|
|
// (C) Copyright 2017-2025 Fred Gleason <fredg@paravelsystems.com>
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License version 2 as
|
|
// published by the Free Software Foundation.
|
|
//
|
|
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <openssl/sha.h>
|
|
#include <openssl/evp.h>
|
|
|
|
#include <QDateTime>
|
|
|
|
#include "rdhash.h"
|
|
|
|
QString __RDSha1Hash_MakePasswordHash(const QString &secret,const QString &salt)
|
|
{
|
|
QByteArray bytes;
|
|
EVP_MD_CTX *ctx;
|
|
unsigned char *digest=NULL;
|
|
unsigned int digest_len=EVP_MD_size(EVP_sha1());
|
|
|
|
ctx=EVP_MD_CTX_new();
|
|
EVP_DigestInit_ex(ctx,EVP_sha1(),NULL);
|
|
bytes=salt.toUtf8();
|
|
EVP_DigestUpdate(ctx,bytes,bytes.size());
|
|
bytes=secret.toUtf8();
|
|
EVP_DigestUpdate(ctx,bytes,bytes.size());
|
|
digest=(unsigned char *)OPENSSL_malloc(digest_len);
|
|
EVP_DigestFinal_ex(ctx,digest,&digest_len);
|
|
EVP_MD_CTX_free(ctx);
|
|
QString ret=salt;
|
|
for(unsigned i=0;i<digest_len;i++) {
|
|
ret+=QString::asprintf("%02x",0xFF&(digest[i]));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
QString RDSha1HashData(const QByteArray &data)
|
|
{
|
|
EVP_MD_CTX *ctx;
|
|
unsigned char *digest=NULL;
|
|
unsigned int digest_len=EVP_MD_size(EVP_sha1());
|
|
|
|
ctx=EVP_MD_CTX_new();
|
|
EVP_DigestInit_ex(ctx,EVP_sha1(),NULL);
|
|
EVP_DigestUpdate(ctx,data,data.size());
|
|
digest=(unsigned char *)OPENSSL_malloc(digest_len);
|
|
EVP_DigestFinal_ex(ctx,digest,&digest_len);
|
|
EVP_MD_CTX_free(ctx);
|
|
QString ret;
|
|
for(unsigned i=0;i<digest_len;i++) {
|
|
ret+=QString::asprintf("%02x",0xFF&(digest[i]));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
QString RDSha1HashFile(const QString &filename,bool throttle)
|
|
{
|
|
unsigned char buffer[1024];
|
|
int fd=-1;
|
|
int n;
|
|
EVP_MD_CTX *ctx;
|
|
unsigned char *digest=NULL;
|
|
unsigned int digest_len=EVP_MD_size(EVP_sha1());
|
|
|
|
if((fd=open(filename.toUtf8(),O_RDONLY))>=0) {
|
|
ctx=EVP_MD_CTX_new();
|
|
EVP_DigestInit_ex(ctx,EVP_sha1(),NULL);
|
|
while((n=read(fd,buffer,1024))>0) {
|
|
EVP_DigestUpdate(ctx,buffer,n);
|
|
}
|
|
if(n<0) { // read() returned an error!
|
|
fprintf(stderr,"RDSha1HashFile() read error: %s\n",strerror(errno));
|
|
}
|
|
digest=(unsigned char *)OPENSSL_malloc(digest_len);
|
|
EVP_DigestFinal_ex(ctx,digest,&digest_len);
|
|
EVP_MD_CTX_free(ctx);
|
|
QString ret;
|
|
for(unsigned i=0;i<digest_len;i++) {
|
|
ret+=QString::asprintf("%02x",0xFF&(digest[i]));
|
|
}
|
|
return ret;
|
|
}
|
|
return QString();
|
|
}
|
|
|
|
|
|
QString RDSha1HashPassword(const QString &secret)
|
|
{
|
|
|
|
//
|
|
// Create a salt value
|
|
//
|
|
srand(QDateTime::currentDateTime().toMSecsSinceEpoch());
|
|
QString salt=QString::asprintf("%08x",rand());
|
|
|
|
//
|
|
// Generate the hash
|
|
//
|
|
return __RDSha1Hash_MakePasswordHash(secret,salt);
|
|
}
|
|
|
|
|
|
bool RDSha1HashCheckPassword(const QString &secret,const QString &hash)
|
|
{
|
|
QString salt=secret.left(8);
|
|
|
|
return __RDSha1Hash_MakePasswordHash(secret,hash.left(8))==hash;
|
|
}
|