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mbedtls/programs/pkey/key_app_writer.c
Andrzej Kurek 825ebd483f
Merge mbedtls 2.16.6 into baremetal 
Conflicts:
mbedtls.doxyfile - PROJECT_NAME - mbed TLS v2.16.6 chosen.
doc_mainpage.h - mbed TLS v2.16.6 version chosen.
hmac_drbg.h - line 260, extended description chosen.
            - line 313, extended description chosen.
            - line 338, extended description chosen.
version.h - 2.16.6 chosen.
CMakeLists.txt - 2.16.6 chosen.
test_suite_version.data - 2.16.6 chosen.
Makefile - 141 - manual correction - baremetal version of C_SOURCE_FILES
                 with variables for directories plus 2.16.6 CTAGS addition.
pkparse.c - lines 846 onwards - the asn1_get_nonzero_mpi implementation chosen.
ssl_tls.c - line 5269 - edited manually, left the ret=0, because baremetal has
            a different behaviour since commit 87b5626, but added a debug
            message that's new in 2.16.6.    
all.sh:
- component_build_deprecated - chosen the refactored version from 2.16.6,
                               but with extra flags from baremetal.
- rest of the _no_xxx tests - merged make options to have PTHREAD=1 and
                              other changes from 2.16.6 (like -O1 instead of -O0).
- component_build_arm_none_eabi_gcc_no_64bit_multiplication - added 
                              TINYCRYPT_BUILD=0 to the 2.16.6 version of make.

x509/req_app.c - left baremetal log but with mbedtls_exit( 0 ) call.
x509/crl_app.c - left baremetal log but with mbedtls_exit( 0 ) call.
x509/cert_app.c - left baremetal log but with mbedtls_exit( 0 ) call.
ssl/ssl_mail_client.c - left baremetal log but with mbedtls_exit( 0 ) call.
ssl/ssl_pthread_server.c - left baremetal log but with mbedtls_exit( 0 ) call.
ssl/ssl_fork_server.c - left baremetal log but with mbedtls_exit( 0 ) call.
ssl_client1.c - line 54 - left baremetal log but with mbedtls_exit( 0 ) call.
ssl_client2.c - line 54 - left baremetal log but with mbedtls_exit( 0 ) call.
              - line 132 - new options of both branches added.
              - skip close notify handled as in 2.16.6, but with `ssl` instead of `&ssl`.
              - Merged the 2.16.6 usage split with additional baremetal usages.
              - Merged options from baremetal and 2.16.6.
ssl_server.c - left baremetal log but with mbedtls_exit( 0 ) call.
ssl_server2.c - Merged the 2.16.6 usage split with additional baremetal usages.
config.pl - fixed missing defines from the documentation, removed duplicates,
            and reorganised so that the documentation and excluded list
            are ordered in the same way.
test_suite_x509parse.data - only added the two new pathlen tests.
x509_crt.c - change the return code by removing
             MBEDTLS_ERR_X509_INVALID_EXTENSIONS, since it's added by
             x509_crt_frame_parse_ext not by an "or", but by "+=".
Changelog - Assigned all entries to appropriate sections.
ssl-opt.sh - line 8263 - merged options.
           - removed lines 1165 - 1176 - there was a duplicate test, probably
             an artifact of previous merges.
check-files.py - sticked to old formatting.

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
2020-05-18 11:47:25 -04:00

455 lines
13 KiB
C
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/*
* Key writing application
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_printf printf
#define mbedtls_exit exit
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */
#if defined(MBEDTLS_PK_WRITE_C) && defined(MBEDTLS_FS_IO)
#include "mbedtls/error.h"
#include "mbedtls/pk.h"
#include "mbedtls/bignum.h"
#include "mbedtls/error.h"
#include <stdio.h>
#include <string.h>
#endif
#if defined(MBEDTLS_PEM_WRITE_C)
#define USAGE_OUT \
" output_file=%%s default: keyfile.pem\n" \
" output_format=pem|der default: pem\n"
#else
#define USAGE_OUT \
" output_file=%%s default: keyfile.der\n" \
" output_format=der default: der\n"
#endif
#if defined(MBEDTLS_PEM_WRITE_C)
#define DFL_OUTPUT_FILENAME "keyfile.pem"
#define DFL_OUTPUT_FORMAT OUTPUT_FORMAT_PEM
#else
#define DFL_OUTPUT_FILENAME "keyfile.der"
#define DFL_OUTPUT_FORMAT OUTPUT_FORMAT_DER
#endif
#define DFL_MODE MODE_NONE
#define DFL_FILENAME "keyfile.key"
#define DFL_DEBUG_LEVEL 0
#define DFL_OUTPUT_MODE OUTPUT_MODE_NONE
#define MODE_NONE 0
#define MODE_PRIVATE 1
#define MODE_PUBLIC 2
#define OUTPUT_MODE_NONE 0
#define OUTPUT_MODE_PRIVATE 1
#define OUTPUT_MODE_PUBLIC 2
#define OUTPUT_FORMAT_PEM 0
#define OUTPUT_FORMAT_DER 1
#define USAGE \
"\n usage: key_app_writer param=<>...\n" \
"\n acceptable parameters:\n" \
" mode=private|public default: none\n" \
" filename=%%s default: keyfile.key\n" \
" output_mode=private|public default: none\n" \
USAGE_OUT \
"\n"
#if !defined(MBEDTLS_PK_PARSE_C) || \
!defined(MBEDTLS_PK_WRITE_C) || \
!defined(MBEDTLS_FS_IO)
int main( void )
{
mbedtls_printf( "MBEDTLS_PK_PARSE_C and/or MBEDTLS_PK_WRITE_C and/or MBEDTLS_FS_IO not defined.\n" );
mbedtls_exit( 0 );
}
#else
#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
int mbedtls_hardware_poll( void *data, unsigned char *output,
size_t len, size_t *olen )
{
size_t i;
(void) data;
for( i = 0; i < len; ++i )
output[i] = rand();
*olen = len;
return( 0 );
}
#endif
/*
* global options
*/
struct options
{
int mode; /* the mode to run the application in */
const char *filename; /* filename of the key file */
int output_mode; /* the output mode to use */
const char *output_file; /* where to store the constructed key file */
int output_format; /* the output format to use */
} opt;
static int write_public_key( mbedtls_pk_context *key, const char *output_file )
{
int ret;
FILE *f;
unsigned char output_buf[16000];
unsigned char *c = output_buf;
size_t len = 0;
memset(output_buf, 0, 16000);
#if defined(MBEDTLS_PEM_WRITE_C)
if( opt.output_format == OUTPUT_FORMAT_PEM )
{
if( ( ret = mbedtls_pk_write_pubkey_pem( key, output_buf, 16000 ) ) != 0 )
return( ret );
len = strlen( (char *) output_buf );
}
else
#endif
{
if( ( ret = mbedtls_pk_write_pubkey_der( key, output_buf, 16000 ) ) < 0 )
return( ret );
len = ret;
c = output_buf + sizeof(output_buf) - len;
}
if( ( f = fopen( output_file, "w" ) ) == NULL )
return( -1 );
if( fwrite( c, 1, len, f ) != len )
{
fclose( f );
return( -1 );
}
fclose( f );
return( 0 );
}
static int write_private_key( mbedtls_pk_context *key, const char *output_file )
{
int ret;
FILE *f;
unsigned char output_buf[16000];
unsigned char *c = output_buf;
size_t len = 0;
memset(output_buf, 0, 16000);
#if defined(MBEDTLS_PEM_WRITE_C)
if( opt.output_format == OUTPUT_FORMAT_PEM )
{
if( ( ret = mbedtls_pk_write_key_pem( key, output_buf, 16000 ) ) != 0 )
return( ret );
len = strlen( (char *) output_buf );
}
else
#endif
{
if( ( ret = mbedtls_pk_write_key_der( key, output_buf, 16000 ) ) < 0 )
return( ret );
len = ret;
c = output_buf + sizeof(output_buf) - len;
}
if( ( f = fopen( output_file, "w" ) ) == NULL )
return( -1 );
if( fwrite( c, 1, len, f ) != len )
{
fclose( f );
return( -1 );
}
fclose( f );
return( 0 );
}
int main( int argc, char *argv[] )
{
int ret = 1;
int exit_code = MBEDTLS_EXIT_FAILURE;
char buf[1024];
int i;
char *p, *q;
mbedtls_pk_context key;
mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
/*
* Set to sane values
*/
mbedtls_pk_init( &key );
memset( buf, 0, sizeof( buf ) );
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 );
if( argc == 0 )
{
usage:
mbedtls_printf( USAGE );
goto exit;
}
opt.mode = DFL_MODE;
opt.filename = DFL_FILENAME;
opt.output_mode = DFL_OUTPUT_MODE;
opt.output_file = DFL_OUTPUT_FILENAME;
opt.output_format = DFL_OUTPUT_FORMAT;
for( i = 1; i < argc; i++ )
{
p = argv[i];
if( ( q = strchr( p, '=' ) ) == NULL )
goto usage;
*q++ = '\0';
if( strcmp( p, "mode" ) == 0 )
{
if( strcmp( q, "private" ) == 0 )
opt.mode = MODE_PRIVATE;
else if( strcmp( q, "public" ) == 0 )
opt.mode = MODE_PUBLIC;
else
goto usage;
}
else if( strcmp( p, "output_mode" ) == 0 )
{
if( strcmp( q, "private" ) == 0 )
opt.output_mode = OUTPUT_MODE_PRIVATE;
else if( strcmp( q, "public" ) == 0 )
opt.output_mode = OUTPUT_MODE_PUBLIC;
else
goto usage;
}
else if( strcmp( p, "output_format" ) == 0 )
{
#if defined(MBEDTLS_PEM_WRITE_C)
if( strcmp( q, "pem" ) == 0 )
opt.output_format = OUTPUT_FORMAT_PEM;
else
#endif
if( strcmp( q, "der" ) == 0 )
opt.output_format = OUTPUT_FORMAT_DER;
else
goto usage;
}
else if( strcmp( p, "filename" ) == 0 )
opt.filename = q;
else if( strcmp( p, "output_file" ) == 0 )
opt.output_file = q;
else
goto usage;
}
if( opt.mode == MODE_NONE && opt.output_mode != OUTPUT_MODE_NONE )
{
mbedtls_printf( "\nCannot output a key without reading one.\n");
goto exit;
}
if( opt.mode == MODE_PUBLIC && opt.output_mode == OUTPUT_MODE_PRIVATE )
{
mbedtls_printf( "\nCannot output a private key from a public key.\n");
goto exit;
}
if( opt.mode == MODE_PRIVATE )
{
/*
* 1.1. Load the key
*/
mbedtls_printf( "\n . Loading the private key ..." );
fflush( stdout );
ret = mbedtls_pk_parse_keyfile( &key, opt.filename, NULL );
if( ret != 0 )
{
mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%04x - %s\n\n", -ret, buf );
goto exit;
}
mbedtls_printf( " ok\n" );
/*
* 1.2 Print the key
*/
mbedtls_printf( " . Key information ...\n" );
#if defined(MBEDTLS_RSA_C)
if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA )
{
mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key );
if( ( ret = mbedtls_rsa_export ( rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) ) != 0 )
{
mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" );
goto exit;
}
mbedtls_mpi_write_file( "N: ", &N, 16, NULL );
mbedtls_mpi_write_file( "E: ", &E, 16, NULL );
mbedtls_mpi_write_file( "D: ", &D, 16, NULL );
mbedtls_mpi_write_file( "P: ", &P, 16, NULL );
mbedtls_mpi_write_file( "Q: ", &Q, 16, NULL );
mbedtls_mpi_write_file( "DP: ", &DP, 16, NULL );
mbedtls_mpi_write_file( "DQ: ", &DQ, 16, NULL );
mbedtls_mpi_write_file( "QP: ", &QP, 16, NULL );
}
else
#endif
#if defined(MBEDTLS_ECP_C)
if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY )
{
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key );
mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL );
mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL );
mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL );
mbedtls_mpi_write_file( "D : ", &ecp->d , 16, NULL );
}
else
#endif
mbedtls_printf("key type not supported yet\n");
}
else if( opt.mode == MODE_PUBLIC )
{
/*
* 1.1. Load the key
*/
mbedtls_printf( "\n . Loading the public key ..." );
fflush( stdout );
ret = mbedtls_pk_parse_public_keyfile( &key, opt.filename );
if( ret != 0 )
{
mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
mbedtls_printf( " failed\n ! mbedtls_pk_parse_public_key returned -0x%04x - %s\n\n", -ret, buf );
goto exit;
}
mbedtls_printf( " ok\n" );
/*
* 1.2 Print the key
*/
mbedtls_printf( " . Key information ...\n" );
#if defined(MBEDTLS_RSA_C)
if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA )
{
mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key );
if( ( ret = mbedtls_rsa_export( rsa, &N, NULL, NULL,
NULL, &E ) ) != 0 )
{
mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" );
goto exit;
}
mbedtls_mpi_write_file( "N: ", &N, 16, NULL );
mbedtls_mpi_write_file( "E: ", &E, 16, NULL );
}
else
#endif
#if defined(MBEDTLS_ECP_C)
if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY )
{
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key );
mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL );
mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL );
mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL );
}
else
#endif
mbedtls_printf("key type not supported yet\n");
}
else
goto usage;
if( opt.output_mode == OUTPUT_MODE_PUBLIC )
{
write_public_key( &key, opt.output_file );
}
if( opt.output_mode == OUTPUT_MODE_PRIVATE )
{
write_private_key( &key, opt.output_file );
}
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
if( exit_code != MBEDTLS_EXIT_SUCCESS )
{
#ifdef MBEDTLS_ERROR_C
mbedtls_strerror( ret, buf, sizeof( buf ) );
mbedtls_printf( " - %s\n", buf );
#else
mbedtls_printf("\n");
#endif
}
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 );
mbedtls_pk_free( &key );
#if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
mbedtls_exit( exit_code );
}
#endif /* MBEDTLS_PK_PARSE_C && MBEDTLS_PK_WRITE_C && MBEDTLS_FS_IO */
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