2009-01-03 22:22:43 +01:00
|
|
|
/*
|
2015-02-10 11:47:03 +01:00
|
|
|
* RSA/SHA-256 signature creation program
|
2009-01-03 22:22:43 +01:00
|
|
|
*
|
2015-07-27 11:11:48 +02:00
|
|
|
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
2015-09-04 14:21:07 +02:00
|
|
|
* SPDX-License-Identifier: Apache-2.0
|
2010-07-18 22:36:00 +02:00
|
|
|
*
|
2015-09-04 14:21:07 +02:00
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
|
|
* not use this file except in compliance with the License.
|
|
|
|
* You may obtain a copy of the License at
|
2010-07-18 22:36:00 +02:00
|
|
|
*
|
2015-09-04 14:21:07 +02:00
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
2009-01-03 22:22:43 +01:00
|
|
|
*
|
2015-09-04 14:21:07 +02:00
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
* See the License for the specific language governing permissions and
|
|
|
|
* limitations under the License.
|
2009-01-03 22:22:43 +01:00
|
|
|
*
|
2015-09-04 14:21:07 +02:00
|
|
|
* This file is part of mbed TLS (https://tls.mbed.org)
|
2009-01-03 22:22:43 +01:00
|
|
|
*/
|
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
#if !defined(MBEDTLS_CONFIG_FILE)
|
2015-03-09 18:05:11 +01:00
|
|
|
#include "mbedtls/config.h"
|
2014-04-29 12:39:06 +02:00
|
|
|
#else
|
2015-04-08 12:49:31 +02:00
|
|
|
#include MBEDTLS_CONFIG_FILE
|
2014-04-29 12:39:06 +02:00
|
|
|
#endif
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
#if defined(MBEDTLS_PLATFORM_C)
|
2015-03-09 18:05:11 +01:00
|
|
|
#include "mbedtls/platform.h"
|
2015-01-19 15:26:37 +01:00
|
|
|
#else
|
2015-02-11 15:06:19 +01:00
|
|
|
#include <stdio.h>
|
2018-04-29 21:16:46 +02:00
|
|
|
#include <stdlib.h>
|
|
|
|
#define mbedtls_fprintf fprintf
|
|
|
|
#define mbedtls_printf printf
|
|
|
|
#define mbedtls_snprintf snprintf
|
2019-04-24 14:24:46 +02:00
|
|
|
#define mbedtls_exit exit
|
2018-04-30 23:42:33 +02:00
|
|
|
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
|
2018-04-29 21:16:46 +02:00
|
|
|
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
|
|
|
|
#endif /* MBEDTLS_PLATFORM_C */
|
2015-01-19 15:26:37 +01:00
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \
|
2015-05-28 16:23:18 +02:00
|
|
|
!defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
|
|
|
|
!defined(MBEDTLS_FS_IO)
|
2015-02-12 12:37:29 +01:00
|
|
|
int main( void )
|
2011-05-26 15:16:06 +02:00
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
|
2015-09-09 11:52:28 +02:00
|
|
|
"MBEDTLS_MD_C and/or "
|
2015-05-28 16:23:18 +02:00
|
|
|
"MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
|
2019-04-24 14:24:46 +02:00
|
|
|
mbedtls_exit( 0 );
|
2011-05-26 15:16:06 +02:00
|
|
|
}
|
|
|
|
#else
|
2015-05-28 16:23:18 +02:00
|
|
|
|
|
|
|
#include "mbedtls/rsa.h"
|
|
|
|
#include "mbedtls/md.h"
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
2009-01-03 22:22:43 +01:00
|
|
|
int main( int argc, char *argv[] )
|
|
|
|
{
|
|
|
|
FILE *f;
|
2018-04-29 21:16:46 +02:00
|
|
|
int ret = 1;
|
|
|
|
int exit_code = MBEDTLS_EXIT_FAILURE;
|
2011-04-24 10:57:21 +02:00
|
|
|
size_t i;
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_rsa_context rsa;
|
2015-08-27 21:51:44 +02:00
|
|
|
unsigned char hash[32];
|
2015-04-08 12:49:31 +02:00
|
|
|
unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
|
2015-08-27 21:39:40 +02:00
|
|
|
char filename[512];
|
2017-08-23 07:48:07 +02:00
|
|
|
mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2016-03-17 16:21:39 +01:00
|
|
|
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
|
2017-08-23 07:48:07 +02:00
|
|
|
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
|
|
|
|
mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
|
|
|
|
|
2009-01-03 22:22:43 +01:00
|
|
|
if( argc != 2 )
|
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( "usage: rsa_sign <filename>\n" );
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2011-11-18 15:26:47 +01:00
|
|
|
#if defined(_WIN32)
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( "\n" );
|
2009-01-03 22:22:43 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( "\n . Reading private key from rsa_priv.txt" );
|
2009-01-03 22:22:43 +01:00
|
|
|
fflush( stdout );
|
|
|
|
|
|
|
|
if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )
|
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! Could not open rsa_priv.txt\n" \
|
2009-01-03 22:22:43 +01:00
|
|
|
" ! Please run rsa_genkey first\n\n" );
|
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2017-08-23 07:48:07 +02:00
|
|
|
if( ( ret = mbedtls_mpi_read_file( &N , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &E , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &D , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &P , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &Q , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &DP , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &DQ , 16, f ) ) != 0 ||
|
|
|
|
( ret = mbedtls_mpi_read_file( &QP , 16, f ) ) != 0 )
|
2009-01-03 22:22:43 +01:00
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! mbedtls_mpi_read_file returned %d\n\n", ret );
|
2016-05-31 15:03:54 +02:00
|
|
|
fclose( f );
|
2009-01-03 22:22:43 +01:00
|
|
|
goto exit;
|
|
|
|
}
|
2017-08-23 07:48:07 +02:00
|
|
|
fclose( f );
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2017-08-23 07:48:07 +02:00
|
|
|
if( ( ret = mbedtls_rsa_import( &rsa, &N, &P, &Q, &D, &E ) ) != 0 )
|
|
|
|
{
|
|
|
|
mbedtls_printf( " failed\n ! mbedtls_rsa_import returned %d\n\n",
|
|
|
|
ret );
|
|
|
|
goto exit;
|
|
|
|
}
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2017-10-10 17:56:22 +02:00
|
|
|
if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
|
2017-08-23 07:48:07 +02:00
|
|
|
{
|
|
|
|
mbedtls_printf( " failed\n ! mbedtls_rsa_complete returned %d\n\n",
|
|
|
|
ret );
|
|
|
|
goto exit;
|
|
|
|
}
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( "\n . Checking the private key" );
|
2012-09-27 15:19:22 +02:00
|
|
|
fflush( stdout );
|
2015-04-08 12:49:31 +02:00
|
|
|
if( ( ret = mbedtls_rsa_check_privkey( &rsa ) ) != 0 )
|
2012-09-27 15:19:22 +02:00
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! mbedtls_rsa_check_privkey failed with -0x%0x\n", -ret );
|
2012-09-27 15:19:22 +02:00
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2009-01-03 22:22:43 +01:00
|
|
|
/*
|
2015-02-10 11:47:03 +01:00
|
|
|
* Compute the SHA-256 hash of the input file,
|
2009-01-03 22:22:43 +01:00
|
|
|
* then calculate the RSA signature of the hash.
|
|
|
|
*/
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( "\n . Generating the RSA/SHA-256 signature" );
|
2009-01-03 22:22:43 +01:00
|
|
|
fflush( stdout );
|
|
|
|
|
2015-05-28 16:23:18 +02:00
|
|
|
if( ( ret = mbedtls_md_file(
|
|
|
|
mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
|
|
|
|
argv[1], hash ) ) != 0 )
|
2009-01-03 22:22:43 +01:00
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! Could not open or read %s\n\n", argv[1] );
|
2009-01-03 22:22:43 +01:00
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2015-04-08 12:49:31 +02:00
|
|
|
if( ( ret = mbedtls_rsa_pkcs1_sign( &rsa, NULL, NULL, MBEDTLS_RSA_PRIVATE, MBEDTLS_MD_SHA256,
|
2009-01-03 22:22:43 +01:00
|
|
|
20, hash, buf ) ) != 0 )
|
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_sign returned -0x%0x\n\n", -ret );
|
2009-01-03 22:22:43 +01:00
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2015-08-27 21:39:40 +02:00
|
|
|
* Write the signature into <filename>.sig
|
2009-01-03 22:22:43 +01:00
|
|
|
*/
|
2015-08-27 21:39:40 +02:00
|
|
|
mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[1] );
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2015-08-27 21:39:40 +02:00
|
|
|
if( ( f = fopen( filename, "wb+" ) ) == NULL )
|
2009-01-03 22:22:43 +01:00
|
|
|
{
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " failed\n ! Could not create %s\n\n", argv[1] );
|
2009-01-03 22:22:43 +01:00
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
for( i = 0; i < rsa.len; i++ )
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_fprintf( f, "%02X%s", buf[i],
|
2009-01-03 22:22:43 +01:00
|
|
|
( i + 1 ) % 16 == 0 ? "\r\n" : " " );
|
|
|
|
|
|
|
|
fclose( f );
|
|
|
|
|
2015-08-27 21:39:40 +02:00
|
|
|
mbedtls_printf( "\n . Done (created \"%s\")\n\n", filename );
|
2009-01-03 22:22:43 +01:00
|
|
|
|
2018-04-29 21:16:46 +02:00
|
|
|
exit_code = MBEDTLS_EXIT_SUCCESS;
|
|
|
|
|
2009-01-03 22:22:43 +01:00
|
|
|
exit:
|
|
|
|
|
2016-03-17 16:21:39 +01:00
|
|
|
mbedtls_rsa_free( &rsa );
|
2017-08-23 07:48:07 +02:00
|
|
|
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
|
|
|
|
mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
|
2016-03-17 16:21:39 +01:00
|
|
|
|
2011-11-18 15:26:47 +01:00
|
|
|
#if defined(_WIN32)
|
2015-04-08 12:49:31 +02:00
|
|
|
mbedtls_printf( " + Press Enter to exit this program.\n" );
|
2009-01-03 22:22:43 +01:00
|
|
|
fflush( stdout ); getchar();
|
|
|
|
#endif
|
|
|
|
|
2019-04-24 14:24:46 +02:00
|
|
|
mbedtls_exit( exit_code );
|
2009-01-03 22:22:43 +01:00
|
|
|
}
|
2015-04-08 12:49:31 +02:00
|
|
|
#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
|
|
|
|
MBEDTLS_FS_IO */
|