diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/rsa_sign.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/rsa_sign.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/rsa_sign.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/rsa_sign.c new file mode 100644 index 0000000..affbf7a --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/rsa_sign.c @@ -0,0 +1,170 @@ +/* + * RSA/SHA-256 signature creation program + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ + +#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> +#define mbedtls_fprintf fprintf +#define mbedtls_printf printf +#define mbedtls_snprintf snprintf +#endif + +#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"); + return( 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; + 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 ); + ret = 1; + + if( argc != 2 ) + { + mbedtls_printf( "usage: rsa_sign <filename>\n" ); + +#if defined(_WIN32) + mbedtls_printf( "\n" ); +#endif + + goto exit; + } + + mbedtls_printf( "\n . Reading private key from rsa_priv.txt" ); + fflush( stdout ); + + if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL ) + { + ret = 1; + 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( &rsa.N , 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.P , 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.Q , 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.DP, 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.DQ, 16, f ) ) != 0 || + ( ret = mbedtls_mpi_read_file( &rsa.QP, 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 ); + + mbedtls_printf( "\n . Checking the private key" ); + fflush( stdout ); + if( ( ret = mbedtls_rsa_check_privkey( &rsa ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_rsa_check_privkey failed with -0x%0x\n", -ret ); + goto exit; + } + + /* + * Compute the SHA-256 hash of the input file, + * then calculate the RSA signature of the hash. + */ + mbedtls_printf( "\n . Generating 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_sign( &rsa, NULL, NULL, MBEDTLS_RSA_PRIVATE, MBEDTLS_MD_SHA256, + 20, hash, buf ) ) != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_sign returned -0x%0x\n\n", -ret ); + goto exit; + } + + /* + * Write the signature into <filename>.sig + */ + mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[1] ); + + if( ( f = fopen( filename, "wb+" ) ) == NULL ) + { + ret = 1; + mbedtls_printf( " failed\n ! Could not create %s\n\n", argv[1] ); + goto exit; + } + + for( i = 0; i < rsa.len; i++ ) + mbedtls_fprintf( f, "%02X%s", buf[i], + ( i + 1 ) % 16 == 0 ? "\r\n" : " " ); + + fclose( f ); + + mbedtls_printf( "\n . Done (created \"%s\")\n\n", filename ); + +exit: + + mbedtls_rsa_free( &rsa ); + +#if defined(_WIN32) + mbedtls_printf( " + Press Enter to exit this program.\n" ); + fflush( stdout ); getchar(); +#endif + + return( ret ); +} +#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C && + MBEDTLS_FS_IO */ |