diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/dh_genprime.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/pkey/dh_genprime.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/dh_genprime.c b/lib/mbedtls-2.27.0/programs/pkey/dh_genprime.c deleted file mode 100644 index a481e32..0000000 --- a/lib/mbedtls-2.27.0/programs/pkey/dh_genprime.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Diffie-Hellman-Merkle key exchange (prime generation) - * - * Copyright The Mbed TLS Contributors - * 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. - */ - -#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_time_t time_t -#define mbedtls_exit exit -#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS -#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE -#endif /* MBEDTLS_PLATFORM_C */ - -#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \ - !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) || \ - !defined(MBEDTLS_GENPRIME) -int main( void ) -{ - mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or " - "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C and/or " - "MBEDTLS_GENPRIME not defined.\n"); - mbedtls_exit( 0 ); -} -#else - -#include "mbedtls/bignum.h" -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" - -#include <stdio.h> -#include <string.h> - -#define USAGE \ - "\n usage: dh_genprime param=<>...\n" \ - "\n acceprable parameters:\n" \ - " bits=%%d default: 2048\n" - -#define DFL_BITS 2048 - -/* - * Note: G = 4 is always a quadratic residue mod P, - * so it is a generator of order Q (with P = 2*Q+1). - */ -#define GENERATOR "4" - - -int main( int argc, char **argv ) -{ - int ret = 1; - int exit_code = MBEDTLS_EXIT_FAILURE; - mbedtls_mpi G, P, Q; - mbedtls_entropy_context entropy; - mbedtls_ctr_drbg_context ctr_drbg; - const char *pers = "dh_genprime"; - FILE *fout; - int nbits = DFL_BITS; - int i; - char *p, *q; - - mbedtls_mpi_init( &G ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - mbedtls_entropy_init( &entropy ); - - if( argc == 0 ) - { - usage: - mbedtls_printf( USAGE ); - goto exit; - } - - for( i = 1; i < argc; i++ ) - { - p = argv[i]; - if( ( q = strchr( p, '=' ) ) == NULL ) - goto usage; - *q++ = '\0'; - - if( strcmp( p, "bits" ) == 0 ) - { - nbits = atoi( q ); - if( nbits < 0 || nbits > MBEDTLS_MPI_MAX_BITS ) - goto usage; - } - else - goto usage; - } - - if( ( ret = mbedtls_mpi_read_string( &G, 10, GENERATOR ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_read_string returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ! Generating large primes may take minutes!\n" ); - - mbedtls_printf( "\n . Seeding the random number generator..." ); - fflush( stdout ); - - if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, - (const unsigned char *) pers, - strlen( pers ) ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n . Generating the modulus, please wait..." ); - fflush( stdout ); - - /* - * This can take a long time... - */ - if( ( ret = mbedtls_mpi_gen_prime( &P, nbits, 1, - mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_gen_prime returned %d\n\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n . Verifying that Q = (P-1)/2 is prime..." ); - fflush( stdout ); - - if( ( ret = mbedtls_mpi_sub_int( &Q, &P, 1 ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_sub_int returned %d\n\n", ret ); - goto exit; - } - - if( ( ret = mbedtls_mpi_div_int( &Q, NULL, &Q, 2 ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_div_int returned %d\n\n", ret ); - goto exit; - } - - if( ( ret = mbedtls_mpi_is_prime_ext( &Q, 50, mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_is_prime returned %d\n\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n . Exporting the value in dh_prime.txt..." ); - fflush( stdout ); - - if( ( fout = fopen( "dh_prime.txt", "wb+" ) ) == NULL ) - { - mbedtls_printf( " failed\n ! Could not create dh_prime.txt\n\n" ); - goto exit; - } - - if( ( ret = mbedtls_mpi_write_file( "P = ", &P, 16, fout ) != 0 ) || - ( ret = mbedtls_mpi_write_file( "G = ", &G, 16, fout ) != 0 ) ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_write_file returned %d\n\n", ret ); - fclose( fout ); - goto exit; - } - - mbedtls_printf( " ok\n\n" ); - fclose( fout ); - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - - mbedtls_mpi_free( &G ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q ); - mbedtls_ctr_drbg_free( &ctr_drbg ); - mbedtls_entropy_free( &entropy ); - -#if defined(_WIN32) - mbedtls_printf( " Press Enter to exit this program.\n" ); - fflush( stdout ); getchar(); -#endif - - mbedtls_exit( exit_code ); -} -#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_FS_IO && - MBEDTLS_CTR_DRBG_C && MBEDTLS_GENPRIME */ |