diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/rsa_decrypt.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/pkey/rsa_decrypt.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/rsa_decrypt.c b/lib/mbedtls-2.27.0/programs/pkey/rsa_decrypt.c deleted file mode 100644 index 01bf3a6..0000000 --- a/lib/mbedtls-2.27.0/programs/pkey/rsa_decrypt.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * RSA simple decryption 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_BIGNUM_C) && defined(MBEDTLS_RSA_C) && \ - defined(MBEDTLS_FS_IO) && defined(MBEDTLS_ENTROPY_C) && \ - defined(MBEDTLS_CTR_DRBG_C) -#include "mbedtls/rsa.h" -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" - -#include <string.h> - -#endif - -#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \ - !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_ENTROPY_C) || \ - !defined(MBEDTLS_CTR_DRBG_C) -int main( void ) -{ - mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or " - "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or " - "MBEDTLS_CTR_DRBG_C not defined.\n"); - mbedtls_exit( 0 ); -} -#else - - -int main( int argc, char *argv[] ) -{ - FILE *f; - int ret = 1; - int exit_code = MBEDTLS_EXIT_FAILURE; - unsigned c; - size_t i; - mbedtls_rsa_context rsa; - mbedtls_mpi N, P, Q, D, E, DP, DQ, QP; - mbedtls_entropy_context entropy; - mbedtls_ctr_drbg_context ctr_drbg; - unsigned char result[1024]; - unsigned char buf[512]; - const char *pers = "rsa_decrypt"; - ((void) argv); - - memset(result, 0, sizeof( result ) ); - - if( argc != 1 ) - { - mbedtls_printf( "usage: rsa_decrypt\n" ); - -#if defined(_WIN32) - mbedtls_printf( "\n" ); -#endif - - mbedtls_exit( exit_code ); - } - - mbedtls_printf( "\n . Seeding the random number generator..." ); - fflush( stdout ); - - mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - mbedtls_entropy_init( &entropy ); - 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 ); - - ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, - &entropy, (const unsigned char *) pers, - strlen( pers ) ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", - ret ); - goto exit; - } - - mbedtls_printf( "\n . Reading private key from rsa_priv.txt" ); - fflush( stdout ); - - if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL ) - { - mbedtls_printf( " failed\n ! Could not open rsa_priv.txt\n" \ - " ! Please run rsa_genkey first\n\n" ); - goto exit; - } - - if( ( ret = mbedtls_mpi_read_file( &N , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &E , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &D , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &P , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &Q , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &DP , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &DQ , 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &QP , 16, f ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_read_file returned %d\n\n", - ret ); - fclose( f ); - goto exit; - } - fclose( f ); - - if( ( ret = mbedtls_rsa_import( &rsa, &N, &P, &Q, &D, &E ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_rsa_import returned %d\n\n", - ret ); - goto exit; - } - - if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_rsa_complete returned %d\n\n", - ret ); - goto exit; - } - - /* - * Extract the RSA encrypted value from the text file - */ - if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL ) - { - mbedtls_printf( "\n ! Could not open %s\n\n", "result-enc.txt" ); - goto exit; - } - - i = 0; - - while( fscanf( f, "%02X", (unsigned int*) &c ) > 0 && - i < (int) sizeof( buf ) ) - buf[i++] = (unsigned char) c; - - fclose( f ); - - if( i != rsa.len ) - { - mbedtls_printf( "\n ! Invalid RSA signature format\n\n" ); - goto exit; - } - - /* - * Decrypt the encrypted RSA data and print the result. - */ - mbedtls_printf( "\n . Decrypting the encrypted data" ); - fflush( stdout ); - - ret = mbedtls_rsa_pkcs1_decrypt( &rsa, mbedtls_ctr_drbg_random, - &ctr_drbg, MBEDTLS_RSA_PRIVATE, &i, - buf, result, 1024 ); - if( ret != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_decrypt returned %d\n\n", - ret ); - goto exit; - } - - mbedtls_printf( "\n . OK\n\n" ); - - mbedtls_printf( "The decrypted result is: '%s'\n\n", result ); - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - mbedtls_ctr_drbg_free( &ctr_drbg ); - mbedtls_entropy_free( &entropy ); - mbedtls_rsa_free( &rsa ); - 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 ); - -#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_RSA_C && MBEDTLS_FS_IO */ |