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author | Adam Harrison <adamdharrison@gmail.com> | 2022-11-26 16:20:59 -0500 |
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committer | Adam Harrison <adamdharrison@gmail.com> | 2022-11-29 18:39:46 -0500 |
commit | fc0c4ed9a3103e0e6534311923668879fc8e0875 (patch) | |
tree | 6e7723c3f45d39f06c243d9c18a3c038da948793 /lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c | |
parent | 3836606e2b735ba7b2dc0f580231843660587fb4 (diff) | |
download | lite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.tar.gz lite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.zip |
Removed openssl, and curl, and added mbedded tls.curl-removal
Almost fully removed curl, needs more testing.
Fixed most issues, now trying to cross compile.
Fix?
Sigh.
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, 242 insertions, 0 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 new file mode 100644 index 0000000..67f1363 --- /dev/null +++ b/lib/mbedtls-2.27.0/programs/pkey/ecdh_curve25519.c @@ -0,0 +1,242 @@ +/* + * 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 */ |