368 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			368 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | /* BEGIN_HEADER */ | ||
|  | #include "mbedtls/des.h" | ||
|  | /* END_HEADER */ | ||
|  | 
 | ||
|  | /* BEGIN_DEPENDENCIES | ||
|  |  * depends_on:MBEDTLS_DES_C | ||
|  |  * END_DEPENDENCIES | ||
|  |  */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des_check_weak( char *key_hex, int ret ) | ||
|  | { | ||
|  |     unsigned char key[MBEDTLS_DES_KEY_SIZE]; | ||
|  | 
 | ||
|  |     memset( key, 0, sizeof key ); | ||
|  | 
 | ||
|  |     unhexify( key, key_hex ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( mbedtls_des_key_check_weak( key ) == ret ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des_encrypt_ecb( char *hex_key_string, char *hex_src_string, | ||
|  |                       char *hex_dst_string ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des_context ctx; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     mbedtls_des_setkey_enc( &ctx, key_str ); | ||
|  |     TEST_ASSERT( mbedtls_des_crypt_ecb( &ctx, src_str, output ) == 0 ); | ||
|  |     hexify( dst_str, output, 8 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des_decrypt_ecb( char *hex_key_string, char *hex_src_string, | ||
|  |                       char *hex_dst_string ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des_context ctx; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     mbedtls_des_setkey_dec( &ctx, key_str ); | ||
|  |     TEST_ASSERT( mbedtls_des_crypt_ecb( &ctx, src_str, output ) == 0 ); | ||
|  |     hexify( dst_str, output, 8 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | ||
|  | void des_encrypt_cbc( char *hex_key_string, char *hex_iv_string, | ||
|  |                       char *hex_src_string, char *hex_dst_string, int cbc_result ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char iv_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des_context ctx; | ||
|  |     int src_len; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(iv_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( iv_str, hex_iv_string ); | ||
|  |     src_len = unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     mbedtls_des_setkey_enc( &ctx, key_str ); | ||
|  |     TEST_ASSERT( mbedtls_des_crypt_cbc( &ctx, MBEDTLS_DES_ENCRYPT, src_len, iv_str, src_str, output ) == cbc_result ); | ||
|  |     if( cbc_result == 0 ) | ||
|  |     { | ||
|  |         hexify( dst_str, output, src_len ); | ||
|  | 
 | ||
|  |         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  |     } | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | ||
|  | void des_decrypt_cbc( char *hex_key_string, char *hex_iv_string, | ||
|  |                       char *hex_src_string, char *hex_dst_string, int cbc_result ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char iv_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des_context ctx; | ||
|  |     int src_len; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(iv_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( iv_str, hex_iv_string ); | ||
|  |     src_len = unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     mbedtls_des_setkey_dec( &ctx, key_str ); | ||
|  |     TEST_ASSERT( mbedtls_des_crypt_cbc( &ctx, MBEDTLS_DES_DECRYPT, src_len, iv_str, src_str, output ) == cbc_result ); | ||
|  |     if( cbc_result == 0 ) | ||
|  |     { | ||
|  |         hexify( dst_str, output, src_len ); | ||
|  | 
 | ||
|  |         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  |     } | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des3_encrypt_ecb( int key_count, char *hex_key_string, | ||
|  |                        char *hex_src_string, char *hex_dst_string ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des3_context ctx; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des3_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     if( key_count == 2 ) | ||
|  |         mbedtls_des3_set2key_enc( &ctx, key_str ); | ||
|  |     else if( key_count == 3 ) | ||
|  |         mbedtls_des3_set3key_enc( &ctx, key_str ); | ||
|  |     else | ||
|  |         TEST_ASSERT( 0 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( mbedtls_des3_crypt_ecb( &ctx, src_str, output ) == 0 ); | ||
|  |     hexify( dst_str, output, 8 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des3_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des3_decrypt_ecb( int key_count, char *hex_key_string, | ||
|  |                        char *hex_src_string, char *hex_dst_string ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des3_context ctx; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des3_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     if( key_count == 2 ) | ||
|  |         mbedtls_des3_set2key_dec( &ctx, key_str ); | ||
|  |     else if( key_count == 3 ) | ||
|  |         mbedtls_des3_set3key_dec( &ctx, key_str ); | ||
|  |     else | ||
|  |         TEST_ASSERT( 0 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( mbedtls_des3_crypt_ecb( &ctx, src_str, output ) == 0 ); | ||
|  |     hexify( dst_str, output, 8 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des3_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | ||
|  | void des3_encrypt_cbc( int key_count, char *hex_key_string, | ||
|  |                        char *hex_iv_string, char *hex_src_string, | ||
|  |                        char *hex_dst_string, int cbc_result ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char iv_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des3_context ctx; | ||
|  |     int src_len; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(iv_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des3_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( iv_str, hex_iv_string ); | ||
|  |     src_len = unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     if( key_count == 2 ) | ||
|  |         mbedtls_des3_set2key_enc( &ctx, key_str ); | ||
|  |     else if( key_count == 3 ) | ||
|  |         mbedtls_des3_set3key_enc( &ctx, key_str ); | ||
|  |     else | ||
|  |         TEST_ASSERT( 0 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( mbedtls_des3_crypt_cbc( &ctx, MBEDTLS_DES_ENCRYPT, src_len, iv_str, src_str, output ) == cbc_result ); | ||
|  | 
 | ||
|  |     if( cbc_result == 0 ) | ||
|  |     { | ||
|  |         hexify( dst_str, output, src_len ); | ||
|  | 
 | ||
|  |         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  |     } | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des3_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | ||
|  | void des3_decrypt_cbc( int key_count, char *hex_key_string, | ||
|  |                        char *hex_iv_string, char *hex_src_string, | ||
|  |                        char *hex_dst_string, int cbc_result ) | ||
|  | { | ||
|  |     unsigned char key_str[100]; | ||
|  |     unsigned char iv_str[100]; | ||
|  |     unsigned char src_str[100]; | ||
|  |     unsigned char dst_str[100]; | ||
|  |     unsigned char output[100]; | ||
|  |     mbedtls_des3_context ctx; | ||
|  |     int src_len; | ||
|  | 
 | ||
|  |     memset(key_str, 0x00, 100); | ||
|  |     memset(iv_str, 0x00, 100); | ||
|  |     memset(src_str, 0x00, 100); | ||
|  |     memset(dst_str, 0x00, 100); | ||
|  |     memset(output, 0x00, 100); | ||
|  |     mbedtls_des3_init( &ctx ); | ||
|  | 
 | ||
|  |     unhexify( key_str, hex_key_string ); | ||
|  |     unhexify( iv_str, hex_iv_string ); | ||
|  |     src_len = unhexify( src_str, hex_src_string ); | ||
|  | 
 | ||
|  |     if( key_count == 2 ) | ||
|  |         mbedtls_des3_set2key_dec( &ctx, key_str ); | ||
|  |     else if( key_count == 3 ) | ||
|  |         mbedtls_des3_set3key_dec( &ctx, key_str ); | ||
|  |     else | ||
|  |         TEST_ASSERT( 0 ); | ||
|  | 
 | ||
|  |     TEST_ASSERT( mbedtls_des3_crypt_cbc( &ctx, MBEDTLS_DES_DECRYPT, src_len, iv_str, src_str, output ) == cbc_result ); | ||
|  | 
 | ||
|  |     if( cbc_result == 0 ) | ||
|  |     { | ||
|  |         hexify( dst_str, output, src_len ); | ||
|  | 
 | ||
|  |         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 ); | ||
|  |     } | ||
|  | 
 | ||
|  | exit: | ||
|  |     mbedtls_des3_free( &ctx ); | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE */ | ||
|  | void des_key_parity_run() | ||
|  | { | ||
|  |     int i, j, cnt; | ||
|  |     unsigned char key[MBEDTLS_DES_KEY_SIZE]; | ||
|  |     unsigned int parity; | ||
|  | 
 | ||
|  |     memset( key, 0, MBEDTLS_DES_KEY_SIZE ); | ||
|  |     cnt = 0; | ||
|  | 
 | ||
|  |     // Iterate through all possible byte values | ||
|  |     // | ||
|  |     for( i = 0; i < 32; i++ ) | ||
|  |     { | ||
|  |         for( j = 0; j < 8; j++ ) | ||
|  |             key[j] = cnt++; | ||
|  | 
 | ||
|  |         // Set the key parity according to the table | ||
|  |         // | ||
|  |         mbedtls_des_key_set_parity( key ); | ||
|  | 
 | ||
|  |         // Check the parity with a function | ||
|  |         // | ||
|  |         for( j = 0; j < 8; j++ ) | ||
|  |         { | ||
|  |             parity = key[j] ^ ( key[j] >> 4 ); | ||
|  |             parity = parity ^ | ||
|  |                     ( parity >> 1 ) ^ | ||
|  |                     ( parity >> 2 ) ^ | ||
|  |                     ( parity >> 3 ); | ||
|  |             parity &= 1; | ||
|  | 
 | ||
|  |             if( parity != 1 ) | ||
|  |                 TEST_ASSERT( 0 ); | ||
|  |         } | ||
|  | 
 | ||
|  |         // Check the parity with the table | ||
|  |         // | ||
|  |         TEST_ASSERT( mbedtls_des_key_check_key_parity( key ) == 0 ); | ||
|  |     } | ||
|  | } | ||
|  | /* END_CASE */ | ||
|  | 
 | ||
|  | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ | ||
|  | void des_selftest() | ||
|  | { | ||
|  |     TEST_ASSERT( mbedtls_des_self_test( 1 ) == 0 ); | ||
|  | } | ||
|  | /* END_CASE */ |