diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/key_app.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/pkey/key_app.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/key_app.c b/lib/mbedtls-2.27.0/programs/pkey/key_app.c new file mode 100644 index 0000000..7f39e5c --- /dev/null +++ b/lib/mbedtls-2.27.0/programs/pkey/key_app.c @@ -0,0 +1,314 @@ +/* + * Key reading application + * + * 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_PK_PARSE_C) && defined(MBEDTLS_FS_IO) +#include "mbedtls/error.h" +#include "mbedtls/rsa.h" +#include "mbedtls/pk.h" + +#include <string.h> +#endif + +#define MODE_NONE 0 +#define MODE_PRIVATE 1 +#define MODE_PUBLIC 2 + +#define DFL_MODE MODE_NONE +#define DFL_FILENAME "keyfile.key" +#define DFL_PASSWORD "" +#define DFL_PASSWORD_FILE "" +#define DFL_DEBUG_LEVEL 0 + +#define USAGE \ + "\n usage: key_app param=<>...\n" \ + "\n acceptable parameters:\n" \ + " mode=private|public default: none\n" \ + " filename=%%s default: keyfile.key\n" \ + " password=%%s default: \"\"\n" \ + " password_file=%%s default: \"\"\n" \ + "\n" + +#if !defined(MBEDTLS_BIGNUM_C) || \ + !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) +int main( void ) +{ + mbedtls_printf("MBEDTLS_BIGNUM_C and/or " + "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO not defined.\n"); + mbedtls_exit( 0 ); +} +#else + + +/* + * global options + */ +struct options +{ + int mode; /* the mode to run the application in */ + const char *filename; /* filename of the key file */ + const char *password; /* password for the private key */ + const char *password_file; /* password_file for the private key */ +} opt; + +int main( int argc, char *argv[] ) +{ + int ret = 1; + int exit_code = MBEDTLS_EXIT_FAILURE; + char buf[1024]; + int i; + char *p, *q; + + mbedtls_pk_context pk; + mbedtls_mpi N, P, Q, D, E, DP, DQ, QP; + + /* + * Set to sane values + */ + mbedtls_pk_init( &pk ); + memset( buf, 0, sizeof(buf) ); + + 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 ); + + if( argc == 0 ) + { + usage: + mbedtls_printf( USAGE ); + goto cleanup; + } + + opt.mode = DFL_MODE; + opt.filename = DFL_FILENAME; + opt.password = DFL_PASSWORD; + opt.password_file = DFL_PASSWORD_FILE; + + for( i = 1; i < argc; i++ ) + { + p = argv[i]; + if( ( q = strchr( p, '=' ) ) == NULL ) + goto usage; + *q++ = '\0'; + + if( strcmp( p, "mode" ) == 0 ) + { + if( strcmp( q, "private" ) == 0 ) + opt.mode = MODE_PRIVATE; + else if( strcmp( q, "public" ) == 0 ) + opt.mode = MODE_PUBLIC; + else + goto usage; + } + else if( strcmp( p, "filename" ) == 0 ) + opt.filename = q; + else if( strcmp( p, "password" ) == 0 ) + opt.password = q; + else if( strcmp( p, "password_file" ) == 0 ) + opt.password_file = q; + else + goto usage; + } + + if( opt.mode == MODE_PRIVATE ) + { + if( strlen( opt.password ) && strlen( opt.password_file ) ) + { + mbedtls_printf( "Error: cannot have both password and password_file\n" ); + goto usage; + } + + if( strlen( opt.password_file ) ) + { + FILE *f; + + mbedtls_printf( "\n . Loading the password file ..." ); + if( ( f = fopen( opt.password_file, "rb" ) ) == NULL ) + { + mbedtls_printf( " failed\n ! fopen returned NULL\n" ); + goto cleanup; + } + if( fgets( buf, sizeof(buf), f ) == NULL ) + { + fclose( f ); + mbedtls_printf( "Error: fgets() failed to retrieve password\n" ); + goto cleanup; + } + fclose( f ); + + i = (int) strlen( buf ); + if( buf[i - 1] == '\n' ) buf[i - 1] = '\0'; + if( buf[i - 2] == '\r' ) buf[i - 2] = '\0'; + opt.password = buf; + } + + /* + * 1.1. Load the key + */ + mbedtls_printf( "\n . Loading the private key ..." ); + fflush( stdout ); + + ret = mbedtls_pk_parse_keyfile( &pk, opt.filename, opt.password ); + + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%04x\n", (unsigned int) -ret ); + goto cleanup; + } + + mbedtls_printf( " ok\n" ); + + /* + * 1.2 Print the key + */ + mbedtls_printf( " . Key information ...\n" ); +#if defined(MBEDTLS_RSA_C) + if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA ) + { + mbedtls_rsa_context *rsa = mbedtls_pk_rsa( pk ); + + if( ( ret = mbedtls_rsa_export ( rsa, &N, &P, &Q, &D, &E ) ) != 0 || + ( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) ) != 0 ) + { + mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" ); + goto cleanup; + } + + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N: ", &N, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E: ", &E, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D: ", &D, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "P: ", &P, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q: ", &Q, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DP: ", &DP, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DQ: ", &DQ, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "QP: ", &QP, 16, NULL ) ); + } + else +#endif +#if defined(MBEDTLS_ECP_C) + if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ) + { + mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D : ", &ecp->d , 16, NULL ) ); + } + else +#endif + { + mbedtls_printf("Do not know how to print key information for this type\n" ); + goto cleanup; + } + } + else if( opt.mode == MODE_PUBLIC ) + { + /* + * 1.1. Load the key + */ + mbedtls_printf( "\n . Loading the public key ..." ); + fflush( stdout ); + + ret = mbedtls_pk_parse_public_keyfile( &pk, opt.filename ); + + if( ret != 0 ) + { + mbedtls_printf( " failed\n ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n", (unsigned int) -ret ); + goto cleanup; + } + + mbedtls_printf( " ok\n" ); + + mbedtls_printf( " . Key information ...\n" ); +#if defined(MBEDTLS_RSA_C) + if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA ) + { + mbedtls_rsa_context *rsa = mbedtls_pk_rsa( pk ); + + if( ( ret = mbedtls_rsa_export( rsa, &N, NULL, NULL, + NULL, &E ) ) != 0 ) + { + mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" ); + goto cleanup; + } + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N: ", &N, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E: ", &E, 16, NULL ) ); + } + else +#endif +#if defined(MBEDTLS_ECP_C) + if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ) + { + mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ) ); + MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ) ); + } + else +#endif + { + mbedtls_printf("Do not know how to print key information for this type\n" ); + goto cleanup; + } + } + else + goto usage; + + exit_code = MBEDTLS_EXIT_SUCCESS; + +cleanup: + +#if defined(MBEDTLS_ERROR_C) + if( exit_code != MBEDTLS_EXIT_SUCCESS ) + { + mbedtls_strerror( ret, buf, sizeof( buf ) ); + mbedtls_printf( " ! Last error was: %s\n", buf ); + } +#endif + + mbedtls_pk_free( &pk ); + 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_PK_PARSE_C && MBEDTLS_FS_IO */ |