diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c')
-rw-r--r-- | lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c b/lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c deleted file mode 100644 index 67f1363..0000000 --- a/lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Example ECDHE with Curve25519 program - * - * 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_exit exit -#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS -#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE -#endif /* MBEDTLS_PLATFORM_C */ - -#if !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDH_LEGACY_CONTEXT) || \ - !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) || \ - !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) -int main( void ) -{ - mbedtls_printf( "MBEDTLS_ECDH_C and/or MBEDTLS_ECDH_LEGACY_CONTEXT and/or " - "MBEDTLS_ECP_DP_CURVE25519_ENABLED and/or " - "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C " - "not defined\n" ); - mbedtls_exit( 0 ); -} -#else - -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" -#include "mbedtls/ecdh.h" - - -int main( int argc, char *argv[] ) -{ - int ret = 1; - int exit_code = MBEDTLS_EXIT_FAILURE; - mbedtls_ecdh_context ctx_cli, ctx_srv; - mbedtls_entropy_context entropy; - mbedtls_ctr_drbg_context ctr_drbg; - unsigned char cli_to_srv[32], srv_to_cli[32]; - const char pers[] = "ecdh"; - ((void) argc); - ((void) argv); - - mbedtls_ecdh_init( &ctx_cli ); - mbedtls_ecdh_init( &ctx_srv ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - - /* - * Initialize random number generation - */ - mbedtls_printf( " . Seeding the random number generator..." ); - fflush( stdout ); - - mbedtls_entropy_init( &entropy ); - if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, - (const unsigned char *) pers, - sizeof pers ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * Client: initialize context and generate keypair - */ - mbedtls_printf( " . Setting up client context..." ); - fflush( stdout ); - - ret = mbedtls_ecp_group_load( &ctx_cli.grp, MBEDTLS_ECP_DP_CURVE25519 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecp_group_load returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_ecdh_gen_public( &ctx_cli.grp, &ctx_cli.d, &ctx_cli.Q, - mbedtls_ctr_drbg_random, &ctr_drbg ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecdh_gen_public returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_mpi_write_binary( &ctx_cli.Q.X, cli_to_srv, 32 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_write_binary returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * Server: initialize context and generate keypair - */ - mbedtls_printf( " . Setting up server context..." ); - fflush( stdout ); - - ret = mbedtls_ecp_group_load( &ctx_srv.grp, MBEDTLS_ECP_DP_CURVE25519 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecp_group_load returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_ecdh_gen_public( &ctx_srv.grp, &ctx_srv.d, &ctx_srv.Q, - mbedtls_ctr_drbg_random, &ctr_drbg ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecdh_gen_public returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_mpi_write_binary( &ctx_srv.Q.X, srv_to_cli, 32 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_write_binary returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * Server: read peer's key and generate shared secret - */ - mbedtls_printf( " . Server reading client key and computing secret..." ); - fflush( stdout ); - - ret = mbedtls_mpi_lset( &ctx_srv.Qp.Z, 1 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_lset returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_mpi_read_binary( &ctx_srv.Qp.X, cli_to_srv, 32 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_read_binary returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_ecdh_compute_shared( &ctx_srv.grp, &ctx_srv.z, - &ctx_srv.Qp, &ctx_srv.d, - mbedtls_ctr_drbg_random, &ctr_drbg ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecdh_compute_shared returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * Client: read peer's key and generate shared secret - */ - mbedtls_printf( " . Client reading server key and computing secret..." ); - fflush( stdout ); - - ret = mbedtls_mpi_lset( &ctx_cli.Qp.Z, 1 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_lset returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_mpi_read_binary( &ctx_cli.Qp.X, srv_to_cli, 32 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_read_binary returned %d\n", ret ); - goto exit; - } - - ret = mbedtls_ecdh_compute_shared( &ctx_cli.grp, &ctx_cli.z, - &ctx_cli.Qp, &ctx_cli.d, - mbedtls_ctr_drbg_random, &ctr_drbg ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecdh_compute_shared returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - /* - * Verification: are the computed secrets equal? - */ - mbedtls_printf( " . Checking if both computed secrets are equal..." ); - fflush( stdout ); - - ret = mbedtls_mpi_cmp_mpi( &ctx_cli.z, &ctx_srv.z ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ecdh_compute_shared returned %d\n", ret ); - goto exit; - } - - mbedtls_printf( " ok\n" ); - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - -#if defined(_WIN32) - mbedtls_printf( " + Press Enter to exit this program.\n" ); - fflush( stdout ); getchar(); -#endif - - mbedtls_ecdh_free( &ctx_srv ); - mbedtls_ecdh_free( &ctx_cli ); - mbedtls_ctr_drbg_free( &ctr_drbg ); - mbedtls_entropy_free( &entropy ); - - mbedtls_exit( exit_code ); -} -#endif /* MBEDTLS_ECDH_C && MBEDTLS_ECP_DP_CURVE25519_ENABLED && - MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */ |