mirror of
https://github.com/cuberite/polarssl.git
synced 2025-11-04 04:32:24 -05:00
Key generation tool
This commit is contained in:
Paul Bakker
parent
649854004b
commit
15b9b3a7e0
1
programs/.gitignore
vendored
1
programs/.gitignore
vendored
@ -10,6 +10,7 @@ pkey/dh_client
|
||||
pkey/dh_genprime
|
||||
pkey/dh_server
|
||||
pkey/ecdsa
|
||||
pkey/gen_key
|
||||
pkey/key_app
|
||||
pkey/key_app_writer
|
||||
pkey/mpi_demo
|
||||
|
||||
@ -25,6 +25,7 @@ APPS = aes/aescrypt2 aes/crypt_and_hash \
|
||||
hash/md5sum hash/sha1sum \
|
||||
hash/sha2sum pkey/dh_client \
|
||||
pkey/dh_genprime pkey/dh_server \
|
||||
pkey/gen_key \
|
||||
pkey/key_app pkey/key_app_writer \
|
||||
pkey/mpi_demo pkey/pk_decrypt \
|
||||
pkey/pk_encrypt pkey/pk_sign \
|
||||
@ -96,6 +97,10 @@ pkey/ecdsa: pkey/ecdsa.c ../library/libpolarssl.a
|
||||
echo " CC pkey/ecdsa.c"
|
||||
$(CC) $(CFLAGS) $(OFLAGS) pkey/ecdsa.c $(LDFLAGS) -o $@
|
||||
|
||||
pkey/gen_key: pkey/gen_key.c ../library/libpolarssl.a
|
||||
echo " CC pkey/gen_key.c"
|
||||
$(CC) $(CFLAGS) $(OFLAGS) pkey/gen_key.c $(LDFLAGS) -o $@
|
||||
|
||||
pkey/key_app: pkey/key_app.c ../library/libpolarssl.a
|
||||
echo " CC pkey/key_app.c"
|
||||
$(CC) $(CFLAGS) $(OFLAGS) pkey/key_app.c $(LDFLAGS) -o $@
|
||||
|
||||
@ -10,6 +10,9 @@ target_link_libraries(dh_server polarssl)
|
||||
add_executable(ecdsa ecdsa.c)
|
||||
target_link_libraries(ecdsa polarssl)
|
||||
|
||||
add_executable(gen_key gen_key.c)
|
||||
target_link_libraries(gen_key polarssl)
|
||||
|
||||
add_executable(key_app key_app.c)
|
||||
target_link_libraries(key_app polarssl)
|
||||
|
||||
@ -52,6 +55,6 @@ target_link_libraries(pk_encrypt polarssl)
|
||||
add_executable(pk_decrypt pk_decrypt.c)
|
||||
target_link_libraries(pk_decrypt polarssl)
|
||||
|
||||
install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt pk_encrypt pk_decrypt pk_sign pk_verify
|
||||
install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt pk_encrypt pk_decrypt pk_sign pk_verify gen_key
|
||||
DESTINATION "bin"
|
||||
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
|
||||
|
||||
280
programs/pkey/gen_key.c
Normal file
280
programs/pkey/gen_key.c
Normal file
@ -0,0 +1,280 @@
|
||||
/*
|
||||
* Key generation application
|
||||
*
|
||||
* Copyright (C) 2006-2013, Brainspark B.V.
|
||||
*
|
||||
* This file is part of PolarSSL (http://www.polarssl.org)
|
||||
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program 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; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* 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.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
#include "polarssl/config.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "polarssl/error.h"
|
||||
#include "polarssl/pk.h"
|
||||
#include "polarssl/ecdsa.h"
|
||||
#include "polarssl/rsa.h"
|
||||
#include "polarssl/error.h"
|
||||
#include "polarssl/entropy.h"
|
||||
#include "polarssl/ctr_drbg.h"
|
||||
|
||||
#if !defined(POLARSSL_PK_WRITE_C) || !defined(POLARSSL_FS_IO) || \
|
||||
!defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_CTR_DRBG_C)
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
((void) argc);
|
||||
((void) argv);
|
||||
|
||||
printf( "POLARSSL_PK_WRITE_C and/or POLARSSL_FS_IO and/or "
|
||||
"POLARSSL_ENTROPY_C and/or POLARSSL_CTR_DRBG_C "
|
||||
"not defined.\n" );
|
||||
return( 0 );
|
||||
}
|
||||
#else
|
||||
|
||||
#define TYPE_RSA 0
|
||||
|
||||
#define FORMAT_PEM 0
|
||||
#define FORMAT_DER 1
|
||||
|
||||
#define DFL_TYPE TYPE_RSA
|
||||
#define DFL_RSA_KEYSIZE 4096
|
||||
#define DFL_FILENAME "keyfile.key"
|
||||
#define DFL_FORMAT FORMAT_PEM
|
||||
|
||||
/*
|
||||
* global options
|
||||
*/
|
||||
struct options
|
||||
{
|
||||
int type; /* the type of key to generate */
|
||||
int rsa_keysize; /* length of key in bits */
|
||||
const char *filename; /* filename of the key file */
|
||||
int format; /* the output format to use */
|
||||
} opt;
|
||||
|
||||
static int write_private_key( 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( opt.format == FORMAT_PEM )
|
||||
{
|
||||
if( ( ret = pk_write_key_pem( key, output_buf, 16000 ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
len = strlen( (char *) output_buf );
|
||||
}
|
||||
else
|
||||
{
|
||||
if( ( ret = pk_write_key_der( key, output_buf, 16000 ) ) < 0 )
|
||||
return( ret );
|
||||
|
||||
len = ret;
|
||||
c = output_buf + sizeof(output_buf) - len - 1;
|
||||
}
|
||||
|
||||
if( ( f = fopen( output_file, "w" ) ) == NULL )
|
||||
return( -1 );
|
||||
|
||||
if( fwrite( c, 1, len, f ) != len )
|
||||
return( -1 );
|
||||
|
||||
fclose(f);
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define USAGE \
|
||||
"\n usage: gen_key param=<>...\n" \
|
||||
"\n acceptable parameters:\n" \
|
||||
" type=rsa default: rsa\n" \
|
||||
" rsa_keysize=%%d default: 4096\n" \
|
||||
" filename=%%s default: keyfile.key\n" \
|
||||
" format=pem|der default: pem\n" \
|
||||
"\n"
|
||||
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
int ret = 0;
|
||||
pk_context key;
|
||||
char buf[1024];
|
||||
int i;
|
||||
char *p, *q;
|
||||
entropy_context entropy;
|
||||
ctr_drbg_context ctr_drbg;
|
||||
const char *pers = "gen_key";
|
||||
|
||||
/*
|
||||
* Set to sane values
|
||||
*/
|
||||
pk_init( &key );
|
||||
memset( buf, 0, sizeof( buf ) );
|
||||
|
||||
if( argc == 0 )
|
||||
{
|
||||
usage:
|
||||
ret = 1;
|
||||
printf( USAGE );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
opt.type = DFL_TYPE;
|
||||
opt.rsa_keysize = DFL_RSA_KEYSIZE;
|
||||
opt.filename = DFL_FILENAME;
|
||||
opt.format = DFL_FORMAT;
|
||||
|
||||
for( i = 1; i < argc; i++ )
|
||||
{
|
||||
p = argv[i];
|
||||
if( ( q = strchr( p, '=' ) ) == NULL )
|
||||
goto usage;
|
||||
*q++ = '\0';
|
||||
|
||||
if( strcmp( p, "type" ) == 0 )
|
||||
{
|
||||
if( strcmp( q, "rsa" ) == 0 )
|
||||
opt.type = TYPE_RSA;
|
||||
else
|
||||
goto usage;
|
||||
}
|
||||
else if( strcmp( p, "format" ) == 0 )
|
||||
{
|
||||
if( strcmp( q, "pem" ) == 0 )
|
||||
opt.format = FORMAT_PEM;
|
||||
else if( strcmp( q, "der" ) == 0 )
|
||||
opt.format = FORMAT_DER;
|
||||
else
|
||||
goto usage;
|
||||
}
|
||||
else if( strcmp( p, "rsa_keysize" ) == 0 )
|
||||
{
|
||||
opt.rsa_keysize = atoi( q );
|
||||
if( opt.rsa_keysize < 1024 || opt.rsa_keysize > 8192 )
|
||||
goto usage;
|
||||
}
|
||||
else if( strcmp( p, "filename" ) == 0 )
|
||||
opt.filename = q;
|
||||
else
|
||||
goto usage;
|
||||
}
|
||||
|
||||
printf( "\n . Seeding the random number generator..." );
|
||||
fflush( stdout );
|
||||
|
||||
entropy_init( &entropy );
|
||||
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
|
||||
(const unsigned char *) pers,
|
||||
strlen( pers ) ) ) != 0 )
|
||||
{
|
||||
printf( " failed\n ! ctr_drbg_init returned -0x%04x\n", -ret );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* 1.1. Generate the key
|
||||
*/
|
||||
printf( "\n . Generating the private key ..." );
|
||||
fflush( stdout );
|
||||
|
||||
#if defined(POLARSSL_RSA_C) && defined(POLARSSL_GENPRIME)
|
||||
if( opt.type == TYPE_RSA )
|
||||
{
|
||||
pk_init_ctx( &key, pk_info_from_type( POLARSSL_PK_RSA ) );
|
||||
ret = rsa_gen_key( pk_rsa( key ), ctr_drbg_random, &ctr_drbg,
|
||||
opt.rsa_keysize, 65537 );
|
||||
if( ret != 0 )
|
||||
{
|
||||
printf( " failed\n ! rsa_gen_key returned -0x%04x", -ret );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( " ok\n" );
|
||||
}
|
||||
else
|
||||
#endif /* POLARSSL_RSA_C */
|
||||
{
|
||||
printf( " failed\n ! key type not supported in library" );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* 1.2 Print the key
|
||||
*/
|
||||
printf( " . Key information ...\n" );
|
||||
|
||||
#if defined(POLARSSL_RSA_C)
|
||||
if( pk_get_type( &key ) == POLARSSL_PK_RSA )
|
||||
{
|
||||
rsa_context *rsa = pk_rsa( key );
|
||||
mpi_write_file( "N: ", &rsa->N, 16, NULL );
|
||||
mpi_write_file( "E: ", &rsa->E, 16, NULL );
|
||||
mpi_write_file( "D: ", &rsa->D, 16, NULL );
|
||||
mpi_write_file( "P: ", &rsa->P, 16, NULL );
|
||||
mpi_write_file( "Q: ", &rsa->Q, 16, NULL );
|
||||
mpi_write_file( "DP: ", &rsa->DP, 16, NULL );
|
||||
mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL );
|
||||
mpi_write_file( "QP: ", &rsa->QP, 16, NULL );
|
||||
}
|
||||
else
|
||||
#endif
|
||||
#if defined(POLARSSL_ECP_C)
|
||||
if( pk_get_type( &key ) == POLARSSL_PK_ECKEY )
|
||||
{
|
||||
ecp_keypair *ecp = pk_ec( key );
|
||||
mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL );
|
||||
mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL );
|
||||
mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL );
|
||||
mpi_write_file( "D : ", &ecp->d , 16, NULL );
|
||||
}
|
||||
else
|
||||
#endif
|
||||
printf("key type not supported yet\n");
|
||||
|
||||
write_private_key( &key, opt.filename );
|
||||
|
||||
exit:
|
||||
|
||||
if( ret != 0 && ret != 1)
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
polarssl_strerror( ret, buf, sizeof( buf ) );
|
||||
printf( " - %s\n", buf );
|
||||
#else
|
||||
printf("\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
pk_free( &key );
|
||||
|
||||
#if defined(_WIN32)
|
||||
printf( " + Press Enter to exit this program.\n" );
|
||||
fflush( stdout ); getchar();
|
||||
#endif
|
||||
|
||||
return( ret );
|
||||
}
|
||||
#endif /* POLARSSL_PK_WRITE_C && POLARSSL_FS_IO */
|
||||
Loading…
x
Reference in New Issue
Block a user