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Diffstat (limited to 'lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c')
-rw-r--r--lib/mbedtls-2.27.0/programs/aes/crypt_and_hash.c566
1 files changed, 0 insertions, 566 deletions
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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 19:00:17 +0000