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Diffstat (limited to 'openaes/test/test_encrypt.c')
| -rw-r--r-- | openaes/test/test_encrypt.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/openaes/test/test_encrypt.c b/openaes/test/test_encrypt.c new file mode 100644 index 000000000..b229f2d38 --- /dev/null +++ b/openaes/test/test_encrypt.c @@ -0,0 +1,229 @@ +/* + * --------------------------------------------------------------------------- + * OpenAES License + * --------------------------------------------------------------------------- + * Copyright (c) 2012, Nabil S. Al Ramli, www.nalramli.com + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * --------------------------------------------------------------------------- + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "oaes_lib.h" + +void usage(const char * exe_name) +{ + if( NULL == exe_name ) + return; + + printf( + "Usage:\n" + "\t%s [-ecb] [-key < 128 | 192 | 256 >] <text>\n", + exe_name + ); +} + +int main(int argc, char** argv) +{ + size_t _i; + OAES_CTX * ctx = NULL; + uint8_t *_encbuf, *_decbuf; + size_t _encbuf_len, _decbuf_len, _buf_len; + char *_buf; + short _is_ecb = 0; + char * _text = NULL; + int _key_len = 128; + + if( argc < 2 ) + { + usage( argv[0] ); + return EXIT_FAILURE; + } + + for( _i = 1; _i < argc; _i++ ) + { + int _found = 0; + + if( 0 == strcmp( argv[_i], "-ecb" ) ) + { + _found = 1; + _is_ecb = 1; + } + + if( 0 == strcmp( argv[_i], "-key" ) ) + { + _found = 1; + _i++; // len + if( _i >= argc ) + { + printf("Error: No value specified for '-%s'.\n", + "key"); + usage( argv[0] ); + return EXIT_FAILURE; + } + _key_len = atoi( argv[_i] ); + switch( _key_len ) + { + case 128: + case 192: + case 256: + break; + default: + printf("Error: Invalid value [%d] specified for '-%s'.\n", + _key_len, "key"); + usage( argv[0] ); + return EXIT_FAILURE; + } + } + + if( 0 == _found ) + { + if( _text ) + { + printf("Error: Invalid option '%s'.\n", argv[_i]); + usage( argv[0] ); + return EXIT_FAILURE; + } + else + { + _text = (char *) calloc(strlen( argv[_i] ) + 1, sizeof(char)); + if( NULL == _text ) + { + printf("Error: Failed to allocate memory.\n", argv[_i]); + return EXIT_FAILURE; + } + strcpy( _text, argv[_i] ); + } + } + } + + if( NULL == _text ) + { + usage( argv[0] ); + return EXIT_FAILURE; + } + + oaes_sprintf( NULL, &_buf_len, + (const uint8_t *)_text, strlen( _text ) ); + _buf = (char *) calloc(_buf_len, sizeof(char)); + printf( "\n***** plaintext *****\n" ); + if( _buf ) + { + oaes_sprintf( _buf, &_buf_len, + (const uint8_t *)_text, strlen( _text ) ); + printf( "%s", _buf ); + } + printf( "\n**********************\n" ); + free( _buf ); + + ctx = oaes_alloc(); + if( NULL == ctx ) + { + printf("Error: Failed to initialize OAES.\n"); + free( _text ); + return EXIT_FAILURE; + } + if( _is_ecb ) + if( OAES_RET_SUCCESS != oaes_set_option( ctx, OAES_OPTION_ECB, NULL ) ) + printf("Error: Failed to set OAES options.\n"); + switch( _key_len ) + { + case 128: + if( OAES_RET_SUCCESS != oaes_key_gen_128(ctx) ) + printf("Error: Failed to generate OAES %d bit key.\n", _key_len); + break; + case 192: + if( OAES_RET_SUCCESS != oaes_key_gen_192(ctx) ) + printf("Error: Failed to generate OAES %d bit key.\n", _key_len); + break; + case 256: + if( OAES_RET_SUCCESS != oaes_key_gen_256(ctx) ) + printf("Error: Failed to generate OAES %d bit key.\n", _key_len); + break; + default: + break; + } + + if( OAES_RET_SUCCESS != oaes_encrypt( ctx, + (const uint8_t *)_text, strlen( _text ), NULL, &_encbuf_len ) ) + printf("Error: Failed to retrieve required buffer size for encryption.\n"); + _encbuf = (uint8_t *) calloc( _encbuf_len, sizeof(uint8_t) ); + if( NULL == _encbuf ) + { + printf( "Error: Failed to allocate memory.\n" ); + free( _text ); + return EXIT_FAILURE; + } + if( OAES_RET_SUCCESS != oaes_encrypt( ctx, + (const uint8_t *)_text, strlen( _text ), _encbuf, &_encbuf_len ) ) + printf("Error: Encryption failed.\n"); + + if( OAES_RET_SUCCESS != oaes_decrypt( ctx, + _encbuf, _encbuf_len, NULL, &_decbuf_len ) ) + printf("Error: Failed to retrieve required buffer size for encryption.\n"); + _decbuf = (uint8_t *) calloc( _decbuf_len, sizeof(uint8_t) ); + if( NULL == _decbuf ) + { + printf( "Error: Failed to allocate memory.\n" ); + free( _text ); + free( _encbuf ); + return EXIT_FAILURE; + } + if( OAES_RET_SUCCESS != oaes_decrypt( ctx, + _encbuf, _encbuf_len, _decbuf, &_decbuf_len ) ) + printf("Error: Decryption failed.\n"); + + if( OAES_RET_SUCCESS != oaes_free( &ctx ) ) + printf("Error: Failed to uninitialize OAES.\n"); + + oaes_sprintf( NULL, &_buf_len, _encbuf, _encbuf_len ); + _buf = (char *) calloc(_buf_len, sizeof(char)); + printf( "\n***** cyphertext *****\n" ); + if( _buf ) + { + oaes_sprintf( _buf, &_buf_len, _encbuf, _encbuf_len ); + printf( "%s", _buf ); + } + printf( "\n**********************\n" ); + free( _buf ); + + oaes_sprintf( NULL, &_buf_len, _decbuf, _decbuf_len ); + _buf = (char *) calloc(_buf_len, sizeof( char)); + printf( "\n***** plaintext *****\n" ); + if( _buf ) + { + oaes_sprintf( _buf, &_buf_len, _decbuf, _decbuf_len ); + printf( "%s", _buf ); + } + printf( "\n**********************\n\n" ); + free( _buf ); + + free( _encbuf ); + free( _decbuf ); + free( _text ); + + return (EXIT_SUCCESS); +} |