diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/aes')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/aes/CMakeLists.txt | 12 | ||||
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c | 566 |
2 files changed, 0 insertions, 578 deletions
diff --git a/lib/mbedtls-2.27.0/programs/aes/CMakeLists.txt b/lib/mbedtls-2.27.0/programs/aes/CMakeLists.txt deleted file mode 100644 index 62a54c7..0000000 --- a/lib/mbedtls-2.27.0/programs/aes/CMakeLists.txt +++ /dev/null @@ -1,12 +0,0 @@ -set(executables - crypt_and_hash -) - -foreach(exe IN LISTS executables) - add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>) - target_link_libraries(${exe} ${mbedcrypto_target}) -endforeach() - -install(TARGETS ${executables} - DESTINATION "bin" - PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE) diff --git a/lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c b/lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c deleted file mode 100644 index 63a1248..0000000 --- a/lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - * \brief Generic file encryption program using generic wrappers for configured - * security. - * - * 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. - */ - -/* Enable definition of fileno() even when compiling with -std=c99. Must be - * set before config.h, which pulls in glibc's features.h indirectly. - * Harmless on other platforms. */ -#define _POSIX_C_SOURCE 200112L - -#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_fprintf fprintf -#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_CIPHER_C) && defined(MBEDTLS_MD_C) && \ - defined(MBEDTLS_FS_IO) -#include "mbedtls/cipher.h" -#include "mbedtls/md.h" -#include "mbedtls/platform_util.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#endif - -#if defined(_WIN32) -#include <windows.h> -#if !defined(_WIN32_WCE) -#include <io.h> -#endif -#else -#include <sys/types.h> -#include <unistd.h> -#endif - -#define MODE_ENCRYPT 0 -#define MODE_DECRYPT 1 - -#define USAGE \ - "\n crypt_and_hash <mode> <input filename> <output filename> <cipher> <mbedtls_md> <key>\n" \ - "\n <mode>: 0 = encrypt, 1 = decrypt\n" \ - "\n example: crypt_and_hash 0 file file.aes AES-128-CBC SHA1 hex:E76B2413958B00E193\n" \ - "\n" - -#if !defined(MBEDTLS_CIPHER_C) || !defined(MBEDTLS_MD_C) || \ - !defined(MBEDTLS_FS_IO) -int main( void ) -{ - mbedtls_printf("MBEDTLS_CIPHER_C and/or MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n"); - mbedtls_exit( 0 ); -} -#else - - -int main( int argc, char *argv[] ) -{ - int ret = 1, i; - unsigned n; - int exit_code = MBEDTLS_EXIT_FAILURE; - int mode; - size_t keylen, ilen, olen; - FILE *fkey, *fin = NULL, *fout = NULL; - - char *p; - unsigned char IV[16]; - unsigned char key[512]; - unsigned char digest[MBEDTLS_MD_MAX_SIZE]; - unsigned char buffer[1024]; - unsigned char output[1024]; - unsigned char diff; - - const mbedtls_cipher_info_t *cipher_info; - const mbedtls_md_info_t *md_info; - mbedtls_cipher_context_t cipher_ctx; - mbedtls_md_context_t md_ctx; -#if defined(_WIN32_WCE) - long filesize, offset; -#elif defined(_WIN32) - LARGE_INTEGER li_size; - __int64 filesize, offset; -#else - off_t filesize, offset; -#endif - - mbedtls_cipher_init( &cipher_ctx ); - mbedtls_md_init( &md_ctx ); - - /* - * Parse the command-line arguments. - */ - if( argc != 7 ) - { - const int *list; - - mbedtls_printf( USAGE ); - - mbedtls_printf( "Available ciphers:\n" ); - list = mbedtls_cipher_list(); - while( *list ) - { - cipher_info = mbedtls_cipher_info_from_type( *list ); - mbedtls_printf( " %s\n", cipher_info->name ); - list++; - } - - mbedtls_printf( "\nAvailable message digests:\n" ); - list = mbedtls_md_list(); - while( *list ) - { - md_info = mbedtls_md_info_from_type( *list ); - mbedtls_printf( " %s\n", mbedtls_md_get_name( md_info ) ); - list++; - } - -#if defined(_WIN32) - mbedtls_printf( "\n Press Enter to exit this program.\n" ); - fflush( stdout ); getchar(); -#endif - - goto exit; - } - - mode = atoi( argv[1] ); - - if( mode != MODE_ENCRYPT && mode != MODE_DECRYPT ) - { - mbedtls_fprintf( stderr, "invalid operation mode\n" ); - goto exit; - } - - if( strcmp( argv[2], argv[3] ) == 0 ) - { - mbedtls_fprintf( stderr, "input and output filenames must differ\n" ); - goto exit; - } - - if( ( fin = fopen( argv[2], "rb" ) ) == NULL ) - { - mbedtls_fprintf( stderr, "fopen(%s,rb) failed\n", argv[2] ); - goto exit; - } - - if( ( fout = fopen( argv[3], "wb+" ) ) == NULL ) - { - mbedtls_fprintf( stderr, "fopen(%s,wb+) failed\n", argv[3] ); - goto exit; - } - - /* - * Read the Cipher and MD from the command line - */ - cipher_info = mbedtls_cipher_info_from_string( argv[4] ); - if( cipher_info == NULL ) - { - mbedtls_fprintf( stderr, "Cipher '%s' not found\n", argv[4] ); - goto exit; - } - if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info) ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_setup failed\n" ); - goto exit; - } - - md_info = mbedtls_md_info_from_string( argv[5] ); - if( md_info == NULL ) - { - mbedtls_fprintf( stderr, "Message Digest '%s' not found\n", argv[5] ); - goto exit; - } - - if( mbedtls_md_setup( &md_ctx, md_info, 1 ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_md_setup failed\n" ); - goto exit; - } - - /* - * Read the secret key from file or command line - */ - if( ( fkey = fopen( argv[6], "rb" ) ) != NULL ) - { - keylen = fread( key, 1, sizeof( key ), fkey ); - fclose( fkey ); - } - else - { - if( memcmp( argv[6], "hex:", 4 ) == 0 ) - { - p = &argv[6][4]; - keylen = 0; - - while( sscanf( p, "%02X", (unsigned int*) &n ) > 0 && - keylen < (int) sizeof( key ) ) - { - key[keylen++] = (unsigned char) n; - p += 2; - } - } - else - { - keylen = strlen( argv[6] ); - - if( keylen > (int) sizeof( key ) ) - keylen = (int) sizeof( key ); - - memcpy( key, argv[6], keylen ); - } - } - -#if defined(_WIN32_WCE) - filesize = fseek( fin, 0L, SEEK_END ); -#else -#if defined(_WIN32) - /* - * Support large files (> 2Gb) on Win32 - */ - li_size.QuadPart = 0; - li_size.LowPart = - SetFilePointer( (HANDLE) _get_osfhandle( _fileno( fin ) ), - li_size.LowPart, &li_size.HighPart, FILE_END ); - - if( li_size.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR ) - { - mbedtls_fprintf( stderr, "SetFilePointer(0,FILE_END) failed\n" ); - goto exit; - } - - filesize = li_size.QuadPart; -#else - if( ( filesize = lseek( fileno( fin ), 0, SEEK_END ) ) < 0 ) - { - perror( "lseek" ); - goto exit; - } -#endif -#endif - - if( fseek( fin, 0, SEEK_SET ) < 0 ) - { - mbedtls_fprintf( stderr, "fseek(0,SEEK_SET) failed\n" ); - goto exit; - } - - if( mode == MODE_ENCRYPT ) - { - /* - * Generate the initialization vector as: - * IV = MD( filesize || filename )[0..15] - */ - for( i = 0; i < 8; i++ ) - buffer[i] = (unsigned char)( filesize >> ( i << 3 ) ); - - p = argv[2]; - - mbedtls_md_starts( &md_ctx ); - mbedtls_md_update( &md_ctx, buffer, 8 ); - mbedtls_md_update( &md_ctx, (unsigned char *) p, strlen( p ) ); - mbedtls_md_finish( &md_ctx, digest ); - - memcpy( IV, digest, 16 ); - - /* - * Append the IV at the beginning of the output. - */ - if( fwrite( IV, 1, 16, fout ) != 16 ) - { - mbedtls_fprintf( stderr, "fwrite(%d bytes) failed\n", 16 ); - goto exit; - } - - /* - * Hash the IV and the secret key together 8192 times - * using the result to setup the AES context and HMAC. - */ - memset( digest, 0, 32 ); - memcpy( digest, IV, 16 ); - - for( i = 0; i < 8192; i++ ) - { - mbedtls_md_starts( &md_ctx ); - mbedtls_md_update( &md_ctx, digest, 32 ); - mbedtls_md_update( &md_ctx, key, keylen ); - mbedtls_md_finish( &md_ctx, digest ); - - } - - if( mbedtls_cipher_setkey( &cipher_ctx, digest, cipher_info->key_bitlen, - MBEDTLS_ENCRYPT ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_setkey() returned error\n"); - goto exit; - } - if( mbedtls_cipher_set_iv( &cipher_ctx, IV, 16 ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_set_iv() returned error\n"); - goto exit; - } - if( mbedtls_cipher_reset( &cipher_ctx ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_reset() returned error\n"); - goto exit; - } - - mbedtls_md_hmac_starts( &md_ctx, digest, 32 ); - - /* - * Encrypt and write the ciphertext. - */ - for( offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size( &cipher_ctx ) ) - { - ilen = ( (unsigned int) filesize - offset > mbedtls_cipher_get_block_size( &cipher_ctx ) ) ? - mbedtls_cipher_get_block_size( &cipher_ctx ) : (unsigned int) ( filesize - offset ); - - if( fread( buffer, 1, ilen, fin ) != ilen ) - { - mbedtls_fprintf( stderr, "fread(%ld bytes) failed\n", (long) ilen ); - goto exit; - } - - if( mbedtls_cipher_update( &cipher_ctx, buffer, ilen, output, &olen ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_update() returned error\n"); - goto exit; - } - - mbedtls_md_hmac_update( &md_ctx, output, olen ); - - if( fwrite( output, 1, olen, fout ) != olen ) - { - mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen ); - goto exit; - } - } - - if( mbedtls_cipher_finish( &cipher_ctx, output, &olen ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_finish() returned error\n" ); - goto exit; - } - mbedtls_md_hmac_update( &md_ctx, output, olen ); - - if( fwrite( output, 1, olen, fout ) != olen ) - { - mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen ); - goto exit; - } - - /* - * Finally write the HMAC. - */ - mbedtls_md_hmac_finish( &md_ctx, digest ); - - if( fwrite( digest, 1, mbedtls_md_get_size( md_info ), fout ) != mbedtls_md_get_size( md_info ) ) - { - mbedtls_fprintf( stderr, "fwrite(%d bytes) failed\n", mbedtls_md_get_size( md_info ) ); - goto exit; - } - } - - if( mode == MODE_DECRYPT ) - { - /* - * The encrypted file must be structured as follows: - * - * 00 .. 15 Initialization Vector - * 16 .. 31 Encrypted Block #1 - * .. - * N*16 .. (N+1)*16 - 1 Encrypted Block #N - * (N+1)*16 .. (N+1)*16 + n Hash(ciphertext) - */ - if( filesize < 16 + mbedtls_md_get_size( md_info ) ) - { - mbedtls_fprintf( stderr, "File too short to be encrypted.\n" ); - goto exit; - } - - if( mbedtls_cipher_get_block_size( &cipher_ctx ) == 0 ) - { - mbedtls_fprintf( stderr, "Invalid cipher block size: 0. \n" ); - goto exit; - } - - /* - * Check the file size. - */ - if( cipher_info->mode != MBEDTLS_MODE_GCM && - ( ( filesize - mbedtls_md_get_size( md_info ) ) % - mbedtls_cipher_get_block_size( &cipher_ctx ) ) != 0 ) - { - mbedtls_fprintf( stderr, "File content not a multiple of the block size (%u).\n", - mbedtls_cipher_get_block_size( &cipher_ctx )); - goto exit; - } - - /* - * Subtract the IV + HMAC length. - */ - filesize -= ( 16 + mbedtls_md_get_size( md_info ) ); - - /* - * Read the IV and original filesize modulo 16. - */ - if( fread( buffer, 1, 16, fin ) != 16 ) - { - mbedtls_fprintf( stderr, "fread(%d bytes) failed\n", 16 ); - goto exit; - } - - memcpy( IV, buffer, 16 ); - - /* - * Hash the IV and the secret key together 8192 times - * using the result to setup the AES context and HMAC. - */ - memset( digest, 0, 32 ); - memcpy( digest, IV, 16 ); - - for( i = 0; i < 8192; i++ ) - { - mbedtls_md_starts( &md_ctx ); - mbedtls_md_update( &md_ctx, digest, 32 ); - mbedtls_md_update( &md_ctx, key, keylen ); - mbedtls_md_finish( &md_ctx, digest ); - } - - if( mbedtls_cipher_setkey( &cipher_ctx, digest, cipher_info->key_bitlen, - MBEDTLS_DECRYPT ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_setkey() returned error\n" ); - goto exit; - } - - if( mbedtls_cipher_set_iv( &cipher_ctx, IV, 16 ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_set_iv() returned error\n" ); - goto exit; - } - - if( mbedtls_cipher_reset( &cipher_ctx ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_reset() returned error\n" ); - goto exit; - } - - mbedtls_md_hmac_starts( &md_ctx, digest, 32 ); - - /* - * Decrypt and write the plaintext. - */ - for( offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size( &cipher_ctx ) ) - { - ilen = ( (unsigned int) filesize - offset > mbedtls_cipher_get_block_size( &cipher_ctx ) ) ? - mbedtls_cipher_get_block_size( &cipher_ctx ) : (unsigned int) ( filesize - offset ); - - if( fread( buffer, 1, ilen, fin ) != ilen ) - { - mbedtls_fprintf( stderr, "fread(%u bytes) failed\n", - mbedtls_cipher_get_block_size( &cipher_ctx ) ); - goto exit; - } - - mbedtls_md_hmac_update( &md_ctx, buffer, ilen ); - if( mbedtls_cipher_update( &cipher_ctx, buffer, ilen, output, - &olen ) != 0 ) - { - mbedtls_fprintf( stderr, "mbedtls_cipher_update() returned error\n" ); - goto exit; - } - - if( fwrite( output, 1, olen, fout ) != olen ) - { - mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen ); - goto exit; - } - } - - /* - * Verify the message authentication code. - */ - mbedtls_md_hmac_finish( &md_ctx, digest ); - - if( fread( buffer, 1, mbedtls_md_get_size( md_info ), fin ) != mbedtls_md_get_size( md_info ) ) - { - mbedtls_fprintf( stderr, "fread(%d bytes) failed\n", mbedtls_md_get_size( md_info ) ); - goto exit; - } - - /* Use constant-time buffer comparison */ - diff = 0; - for( i = 0; i < mbedtls_md_get_size( md_info ); i++ ) - diff |= digest[i] ^ buffer[i]; - - if( diff != 0 ) - { - mbedtls_fprintf( stderr, "HMAC check failed: wrong key, " - "or file corrupted.\n" ); - goto exit; - } - - /* - * Write the final block of data - */ - mbedtls_cipher_finish( &cipher_ctx, output, &olen ); - - if( fwrite( output, 1, olen, fout ) != olen ) - { - mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen ); - goto exit; - } - } - - exit_code = MBEDTLS_EXIT_SUCCESS; - -exit: - if( fin ) - fclose( fin ); - if( fout ) - fclose( fout ); - - /* Zeroize all command line arguments to also cover - the case when the user has missed or reordered some, - in which case the key might not be in argv[6]. */ - for( i = 0; i < argc; i++ ) - mbedtls_platform_zeroize( argv[i], strlen( argv[i] ) ); - - mbedtls_platform_zeroize( IV, sizeof( IV ) ); - mbedtls_platform_zeroize( key, sizeof( key ) ); - mbedtls_platform_zeroize( buffer, sizeof( buffer ) ); - mbedtls_platform_zeroize( output, sizeof( output ) ); - mbedtls_platform_zeroize( digest, sizeof( digest ) ); - - mbedtls_cipher_free( &cipher_ctx ); - mbedtls_md_free( &md_ctx ); - - mbedtls_exit( exit_code ); -} -#endif /* MBEDTLS_CIPHER_C && MBEDTLS_MD_C && MBEDTLS_FS_IO */ |