diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/rsa_verify.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/pkey/rsa_verify.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/rsa_verify.c b/lib/mbedtls-2.27.0/programs/pkey/rsa_verify.c deleted file mode 100644 index fbc0779..0000000 --- a/lib/mbedtls-2.27.0/programs/pkey/rsa_verify.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * RSA/SHA-256 signature verification 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_snprintf snprintf -#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_SHA256_C) || !defined(MBEDTLS_MD_C) || \ - !defined(MBEDTLS_FS_IO) -int main( void ) -{ - mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or " - "MBEDTLS_MD_C and/or " - "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n"); - mbedtls_exit( 0 ); -} -#else - -#include "mbedtls/rsa.h" -#include "mbedtls/md.h" - -#include <stdio.h> -#include <string.h> - - -int main( int argc, char *argv[] ) -{ - FILE *f; - int ret = 1; - unsigned c; - int exit_code = MBEDTLS_EXIT_FAILURE; - size_t i; - mbedtls_rsa_context rsa; - unsigned char hash[32]; - unsigned char buf[MBEDTLS_MPI_MAX_SIZE]; - char filename[512]; - - mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 ); - - if( argc != 2 ) - { - mbedtls_printf( "usage: rsa_verify <filename>\n" ); - -#if defined(_WIN32) - mbedtls_printf( "\n" ); -#endif - - goto exit; - } - - mbedtls_printf( "\n . Reading public key from rsa_pub.txt" ); - fflush( stdout ); - - if( ( f = fopen( "rsa_pub.txt", "rb" ) ) == NULL ) - { - mbedtls_printf( " failed\n ! Could not open rsa_pub.txt\n" \ - " ! Please run rsa_genkey first\n\n" ); - goto exit; - } - - if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 || - ( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_mpi_read_file returned %d\n\n", ret ); - fclose( f ); - goto exit; - } - - rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3; - - fclose( f ); - - /* - * Extract the RSA signature from the text file - */ - mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[1] ); - - if( ( f = fopen( filename, "rb" ) ) == NULL ) - { - mbedtls_printf( "\n ! Could not open %s\n\n", filename ); - 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; - } - - /* - * Compute the SHA-256 hash of the input file and - * verify the signature - */ - mbedtls_printf( "\n . Verifying the RSA/SHA-256 signature" ); - fflush( stdout ); - - if( ( ret = mbedtls_md_file( - mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ), - argv[1], hash ) ) != 0 ) - { - mbedtls_printf( " failed\n ! Could not open or read %s\n\n", argv[1] ); - goto exit; - } - - if( ( ret = mbedtls_rsa_pkcs1_verify( &rsa, NULL, NULL, MBEDTLS_RSA_PUBLIC, - MBEDTLS_MD_SHA256, 20, hash, buf ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_verify returned -0x%0x\n\n", (unsigned int) -ret ); - goto exit; - } - - mbedtls_printf( "\n . OK (the signature is valid)\n\n" ); - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - - mbedtls_rsa_free( &rsa ); - -#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_SHA256_C && - MBEDTLS_FS_IO */ |