1 #if !defined(POLARSSL_CONFIG_FILE)
4 #include POLARSSL_CONFIG_FILE
7 #ifdef POLARSSL_CIPHER_C
11 #if defined(POLARSSL_GCM_C)
17 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
21 #if defined(POLARSSL_PLATFORM_C)
24 #define polarssl_malloc malloc
25 #define polarssl_free free
30 typedef UINT32 uint32_t;
43 #define GET_UINT32_BE(n,b,i) \
45 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
46 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
47 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
48 | ( (uint32_t) (b)[(i) + 3] ); \
53 #define PUT_UINT32_BE(n,b,i) \
55 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
56 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
57 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
58 (b)[(i) + 3] = (unsigned char) ( (n) ); \
62 static int unhexify(
unsigned char *obuf,
const char *ibuf)
65 int len = strlen(ibuf) / 2;
66 assert(!(strlen(ibuf) %1));
71 if( c >=
'0' && c <=
'9' )
73 else if( c >=
'a' && c <=
'f' )
75 else if( c >=
'A' && c <=
'F' )
81 if( c2 >=
'0' && c2 <=
'9' )
83 else if( c2 >=
'a' && c2 <=
'f' )
85 else if( c2 >=
'A' && c2 <=
'F' )
90 *obuf++ = ( c << 4 ) | c2;
96 static void hexify(
unsigned char *obuf,
const unsigned char *ibuf,
int len)
108 *obuf++ =
'a' + h - 10;
113 *obuf++ =
'a' + l - 10;
130 size_t actual_len = len != 0 ? len : 1;
135 memset( p, 0x00, actual_len );
154 *olen = strlen(ibuf) / 2;
160 assert( obuf != NULL );
176 static int rnd_std_rand(
void *rng_state,
unsigned char *output,
size_t len )
178 #if !defined(__OpenBSD__)
181 if( rng_state != NULL )
184 for( i = 0; i < len; ++i )
187 if( rng_state != NULL )
190 arc4random_buf( output, len );
201 static int rnd_zero_rand(
void *rng_state,
unsigned char *output,
size_t len )
203 if( rng_state != NULL )
206 memset( output, 0, len );
233 if( rng_state == NULL )
242 memcpy( output, info->
buf, use_len );
243 info->
buf += use_len;
247 if( len - use_len > 0 )
248 return(
rnd_std_rand( NULL, output + use_len, len - use_len ) );
277 uint32_t i, *k, sum, delta=0x9E3779B9;
278 unsigned char result[4], *out = output;
280 if( rng_state == NULL )
287 size_t use_len = ( len > 4 ) ? 4 : len;
290 for( i = 0; i < 32; i++ )
292 info->
v0 += (((info->
v1 << 4) ^ (info->
v1 >> 5)) + info->
v1) ^ (sum + k[sum & 3]);
294 info->
v1 += (((info->
v0 << 4) ^ (info->
v0 >> 5)) + info->
v0) ^ (sum + k[(sum>>11) & 3]);
298 memcpy( out, result, use_len );
310 #if defined(POLARSSL_PLATFORM_C)
313 #define polarssl_printf printf
314 #define polarssl_malloc malloc
315 #define polarssl_free free
320 #ifdef POLARSSL_CIPHER_C
322 #define TEST_SUITE_ACTIVE
324 static int test_assert(
int correct,
const char *test )
331 printf(
"FAILED\n" );
332 printf(
" %s\n", test );
337 #define TEST_ASSERT( TEST ) \
338 do { test_assert( (TEST) ? 1 : 0, #TEST ); \
339 if( test_errors) goto exit; \
344 if( (*str)[0] !=
'"' ||
345 (*str)[strlen( *str ) - 1] !=
'"' )
347 printf(
"Expected string (with \"\") for parameter and got: %s\n", *str );
352 (*str)[strlen( *str ) - 1] =
'\0';
364 for( i = 0; i < strlen( str ); i++ )
366 if( i == 0 && str[i] ==
'-' )
372 if( ( ( minus && i == 2 ) || ( !minus && i == 1 ) ) &&
373 str[i - 1] ==
'0' && str[i] ==
'x' )
379 if( ! ( ( str[i] >=
'0' && str[i] <=
'9' ) ||
380 ( hex && ( ( str[i] >=
'a' && str[i] <=
'f' ) ||
381 ( str[i] >=
'A' && str[i] <=
'F' ) ) ) ) )
391 *value = strtol( str, NULL, 16 );
393 *value = strtol( str, NULL, 10 );
398 #ifdef POLARSSL_CIPHER_MODE_AEAD
399 if( strcmp( str,
"POLARSSL_CIPHER_CAMELLIA_128_CCM" ) == 0 )
404 #endif // POLARSSL_CIPHER_MODE_AEAD
405 #ifdef POLARSSL_CIPHER_MODE_AEAD
406 if( strcmp( str,
"POLARSSL_CIPHER_AES_256_CCM" ) == 0 )
411 #endif // POLARSSL_CIPHER_MODE_AEAD
412 #ifdef POLARSSL_CIPHER_MODE_AEAD
413 if( strcmp( str,
"POLARSSL_CIPHER_AES_192_CCM" ) == 0 )
418 #endif // POLARSSL_CIPHER_MODE_AEAD
419 #ifdef POLARSSL_CIPHER_MODE_AEAD
420 if( strcmp( str,
"POLARSSL_CIPHER_AES_128_CCM" ) == 0 )
425 #endif // POLARSSL_CIPHER_MODE_AEAD
428 printf(
"Expected integer for parameter and got: %s\n", str );
432 void test_suite_cipher_list( )
434 const int *cipher_type;
436 for( cipher_type =
cipher_list(); *cipher_type != 0; cipher_type++ )
443 void test_suite_cipher_null_args( )
447 unsigned char buf[1] = { 0 };
481 #if defined(POLARSSL_GCM_C)
498 #if defined(POLARSSL_GCM_C)
514 void test_suite_enc_dec_buf(
int cipher_id,
char *cipher_string,
int key_len,
515 int length_val,
int pad_mode )
517 size_t length = length_val, outlen, total_len, i;
518 unsigned char key[32];
519 unsigned char iv[16];
520 unsigned char ad[13];
521 unsigned char tag[16];
522 unsigned char inbuf[64];
523 unsigned char encbuf[64];
524 unsigned char decbuf[64];
536 memset( key, 0x2a,
sizeof( key ) );
550 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
563 for( i = 0; i < 3; i++ )
565 memset( iv , 0x00 + i,
sizeof( iv ) );
566 memset( ad, 0x10 + i,
sizeof( ad ) );
567 memset( inbuf, 0x20 + i,
sizeof( inbuf ) );
569 memset( encbuf, 0,
sizeof( encbuf ) );
570 memset( decbuf, 0,
sizeof( decbuf ) );
571 memset( tag, 0,
sizeof( tag ) );
579 #if defined(POLARSSL_GCM_C)
590 total_len < length &&
596 #if defined(POLARSSL_GCM_C)
602 total_len > length &&
611 total_len < length &&
617 #if defined(POLARSSL_GCM_C)
634 void test_suite_enc_fail(
int cipher_id,
int pad_mode,
int key_len,
635 int length_val,
int ret )
637 size_t length = length_val;
638 unsigned char key[32];
639 unsigned char iv[16];
644 unsigned char inbuf[64];
645 unsigned char encbuf[64];
649 memset( key, 0, 32 );
650 memset( iv , 0, 16 );
654 memset( inbuf, 5, 64 );
655 memset( encbuf, 0, 64 );
664 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
671 #if defined(POLARSSL_GCM_C)
684 void test_suite_dec_empty_buf()
686 unsigned char key[32];
687 unsigned char iv[16];
692 unsigned char encbuf[64];
693 unsigned char decbuf[64];
697 memset( key, 0, 32 );
698 memset( iv , 0, 16 );
702 memset( encbuf, 0, 64 );
703 memset( decbuf, 0, 64 );
717 #if defined(POLARSSL_GCM_C)
725 &ctx_dec, decbuf + outlen, &outlen ) );
732 void test_suite_enc_dec_buf_multipart(
int cipher_id,
int key_len,
int first_length_val,
733 int second_length_val )
735 size_t first_length = first_length_val;
736 size_t second_length = second_length_val;
737 size_t length = first_length + second_length;
738 unsigned char key[32];
739 unsigned char iv[16];
745 unsigned char inbuf[64];
746 unsigned char encbuf[64];
747 unsigned char decbuf[64];
750 size_t totaloutlen = 0;
752 memset( key, 0, 32 );
753 memset( iv , 0, 16 );
758 memset( inbuf, 5, 64 );
759 memset( encbuf, 0, 64 );
760 memset( decbuf, 0, 64 );
778 #if defined(POLARSSL_GCM_C)
785 totaloutlen = outlen;
787 totaloutlen += outlen;
790 totaloutlen < length &&
794 totaloutlen += outlen;
797 totaloutlen > length &&
802 totaloutlen = outlen;
806 totaloutlen < length &&
810 totaloutlen += outlen;
821 void test_suite_decrypt_test_vec(
int cipher_id,
int pad_mode,
822 char *hex_key,
char *hex_iv,
823 char *hex_cipher,
char *hex_clear,
824 char *hex_ad,
char *hex_tag,
825 int finish_result,
int tag_result )
827 unsigned char key[50];
828 unsigned char iv[50];
829 unsigned char cipher[200];
830 unsigned char clear[200];
831 unsigned char ad[200];
832 unsigned char tag[20];
833 size_t key_len, iv_len, cipher_len, clear_len;
834 #if defined(POLARSSL_GCM_C)
835 size_t ad_len, tag_len;
838 unsigned char output[200];
839 size_t outlen, total_len;
843 memset( key, 0x00,
sizeof( key ) );
844 memset( iv, 0x00,
sizeof( iv ) );
845 memset( cipher, 0x00,
sizeof( cipher ) );
846 memset( clear, 0x00,
sizeof( clear ) );
847 memset( ad, 0x00,
sizeof( ad ) );
848 memset( tag, 0x00,
sizeof( tag ) );
849 memset( output, 0x00,
sizeof( output ) );
853 cipher_len =
unhexify( cipher, hex_cipher );
854 clear_len =
unhexify( clear, hex_clear );
855 #if defined(POLARSSL_GCM_C)
867 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
875 #if defined(POLARSSL_GCM_C)
886 #if defined(POLARSSL_GCM_C)
891 if( 0 == finish_result && 0 == tag_result )
894 TEST_ASSERT( 0 == memcmp( output, clear, clear_len ) );
901 #ifdef POLARSSL_CIPHER_MODE_AEAD
902 void test_suite_auth_crypt_tv(
int cipher_id,
char *hex_key,
char *hex_iv,
903 char *hex_ad,
char *hex_cipher,
904 char *hex_tag,
char *hex_clear )
907 unsigned char key[50];
908 unsigned char iv[50];
909 unsigned char cipher[200];
910 unsigned char clear[200];
911 unsigned char ad[200];
912 unsigned char tag[20];
913 unsigned char my_tag[20];
914 size_t key_len, iv_len, cipher_len, clear_len, ad_len, tag_len;
916 unsigned char output[200];
921 memset( key, 0x00,
sizeof( key ) );
922 memset( iv, 0x00,
sizeof( iv ) );
923 memset( cipher, 0x00,
sizeof( cipher ) );
924 memset( clear, 0x00,
sizeof( clear ) );
925 memset( ad, 0x00,
sizeof( ad ) );
926 memset( tag, 0x00,
sizeof( tag ) );
927 memset( my_tag, 0xFF,
sizeof( my_tag ) );
928 memset( output, 0xFF,
sizeof( output ) );
932 cipher_len =
unhexify( cipher, hex_cipher );
943 cipher, cipher_len, output, &outlen,
951 if( strcmp( hex_clear,
"FAIL" ) == 0 )
960 clear_len =
unhexify( clear, hex_clear );
962 TEST_ASSERT( memcmp( output, clear, clear_len ) == 0 );
965 memset( output, 0xFF,
sizeof( output ) );
969 clear, clear_len, output, &outlen,
974 TEST_ASSERT( memcmp( output, cipher, clear_len ) == 0 );
975 TEST_ASSERT( memcmp( my_tag, tag, tag_len ) == 0 );
989 void test_suite_test_vec_ecb(
int cipher_id,
int operation,
char *hex_key,
990 char *hex_input,
char *hex_result,
993 unsigned char key[50];
994 unsigned char input[16];
995 unsigned char result[16];
998 unsigned char output[32];
1003 memset( key, 0x00,
sizeof( key ) );
1004 memset( input, 0x00,
sizeof( input ) );
1005 memset( result, 0x00,
sizeof( result ) );
1006 memset( output, 0x00,
sizeof( output ) );
1012 key_len =
unhexify( key, hex_key );
1022 output, &outlen ) );
1029 if( 0 == finish_result )
1037 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1038 void test_suite_set_padding(
int cipher_id,
int pad_mode,
int ret )
1056 #ifdef POLARSSL_CIPHER_MODE_CBC
1057 void test_suite_check_padding(
int pad_mode,
char *input_str,
int ret,
int dlen_check )
1061 unsigned char input[16];
1071 ilen =
unhexify( input, input_str );
1082 #ifdef POLARSSL_SELF_TEST
1083 void test_suite_cipher_selftest()
1101 if( strcmp( str,
"POLARSSL_CAMELLIA_C" ) == 0 )
1103 #if defined(POLARSSL_CAMELLIA_C)
1109 if( strcmp( str,
"POLARSSL_CCM_C" ) == 0 )
1111 #if defined(POLARSSL_CCM_C)
1117 if( strcmp( str,
"POLARSSL_AES_C" ) == 0 )
1119 #if defined(POLARSSL_AES_C)
1136 #if defined(TEST_SUITE_ACTIVE)
1137 if( strcmp( params[0],
"cipher_list" ) == 0 )
1143 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1148 test_suite_cipher_list( );
1154 if( strcmp( params[0],
"cipher_null_args" ) == 0 )
1160 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1165 test_suite_cipher_null_args( );
1171 if( strcmp( params[0],
"enc_dec_buf" ) == 0 )
1175 char *param2 = params[2];
1182 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1186 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1188 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1189 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1190 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1192 test_suite_enc_dec_buf( param1, param2, param3, param4, param5 );
1198 if( strcmp( params[0],
"enc_fail" ) == 0 )
1209 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1213 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1214 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1215 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1216 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1217 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1219 test_suite_enc_fail( param1, param2, param3, param4, param5 );
1225 if( strcmp( params[0],
"dec_empty_buf" ) == 0 )
1231 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1236 test_suite_dec_empty_buf( );
1242 if( strcmp( params[0],
"enc_dec_buf_multipart" ) == 0 )
1252 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1256 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1257 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1258 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1259 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1261 test_suite_enc_dec_buf_multipart( param1, param2, param3, param4 );
1267 if( strcmp( params[0],
"decrypt_test_vec" ) == 0 )
1272 char *param3 = params[3];
1273 char *param4 = params[4];
1274 char *param5 = params[5];
1275 char *param6 = params[6];
1276 char *param7 = params[7];
1277 char *param8 = params[8];
1283 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 11 );
1287 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1288 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1295 if(
verify_int( params[9], ¶m9 ) != 0 )
return( 2 );
1296 if(
verify_int( params[10], ¶m10 ) != 0 )
return( 2 );
1298 test_suite_decrypt_test_vec( param1, param2, param3, param4, param5, param6, param7, param8, param9, param10 );
1304 if( strcmp( params[0],
"auth_crypt_tv" ) == 0 )
1306 #ifdef POLARSSL_CIPHER_MODE_AEAD
1309 char *param2 = params[2];
1310 char *param3 = params[3];
1311 char *param4 = params[4];
1312 char *param5 = params[5];
1313 char *param6 = params[6];
1314 char *param7 = params[7];
1318 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 8 );
1322 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1330 test_suite_auth_crypt_tv( param1, param2, param3, param4, param5, param6, param7 );
1337 if( strcmp( params[0],
"test_vec_ecb" ) == 0 )
1342 char *param3 = params[3];
1343 char *param4 = params[4];
1344 char *param5 = params[5];
1349 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 7 );
1353 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1354 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1358 if(
verify_int( params[6], ¶m6 ) != 0 )
return( 2 );
1360 test_suite_test_vec_ecb( param1, param2, param3, param4, param5, param6 );
1366 if( strcmp( params[0],
"set_padding" ) == 0 )
1368 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1376 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 4 );
1380 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1381 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1382 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1384 test_suite_set_padding( param1, param2, param3 );
1391 if( strcmp( params[0],
"check_padding" ) == 0 )
1393 #ifdef POLARSSL_CIPHER_MODE_CBC
1396 char *param2 = params[2];
1402 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1406 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1408 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1409 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1411 test_suite_check_padding( param1, param2, param3, param4 );
1418 if( strcmp( params[0],
"cipher_selftest" ) == 0 )
1420 #ifdef POLARSSL_SELF_TEST
1425 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1430 test_suite_cipher_selftest( );
1439 fprintf( stdout,
"FAILED\nSkipping unknown test function '%s'\n", params[0] );
1453 ret = fgets( buf, len, f );
1457 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\n' )
1458 buf[strlen(buf) - 1] =
'\0';
1459 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\r' )
1460 buf[strlen(buf) - 1] =
'\0';
1471 params[cnt++] = cur;
1473 while( *p !=
'\0' && p < buf + len )
1483 if( p + 1 < buf + len )
1486 params[cnt++] = cur;
1495 for( i = 0; i < cnt; i++ )
1502 if( *p ==
'\\' && *(p + 1) ==
'n' )
1507 else if( *p ==
'\\' && *(p + 1) ==
':' )
1512 else if( *p ==
'\\' && *(p + 1) ==
'?' )
1528 int ret, i, cnt, total_errors = 0, total_tests = 0, total_skipped = 0;
1529 const char *filename =
"/builddir/build/BUILD/polarssl-1.3.9/tests/suites/test_suite_cipher.ccm.data";
1534 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1535 unsigned char alloc_buf[1000000];
1539 file = fopen( filename,
"r" );
1542 fprintf( stderr,
"Failed to open\n" );
1546 while( !feof( file ) )
1550 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1552 fprintf( stdout,
"%s%.66s",
test_errors ?
"\n" :
"", buf );
1553 fprintf( stdout,
" " );
1554 for( i = strlen( buf ) + 1; i < 67; i++ )
1555 fprintf( stdout,
"." );
1556 fprintf( stdout,
" " );
1561 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1565 if( strcmp( params[0],
"depends_on" ) == 0 )
1567 for( i = 1; i < cnt; i++ )
1571 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1582 if( skip == 1 || ret == 3 )
1585 fprintf( stdout,
"----\n" );
1590 fprintf( stdout,
"PASS\n" );
1595 fprintf( stderr,
"FAILED: FATAL PARSE ERROR\n" );
1602 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1604 if( strlen(buf) != 0 )
1606 fprintf( stderr,
"Should be empty %d\n", (
int) strlen(buf) );
1612 fprintf( stdout,
"\n----------------------------------------------------------------------------\n\n");
1613 if( total_errors == 0 )
1614 fprintf( stdout,
"PASSED" );
1616 fprintf( stdout,
"FAILED" );
1618 fprintf( stdout,
" (%d / %d tests (%d skipped))\n",
1619 total_tests - total_errors, total_tests, total_skipped );
1621 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1622 #if defined(POLARSSL_MEMORY_DEBUG)
1623 memory_buffer_alloc_status();
1628 return( total_errors != 0 );
#define POLARSSL_ERR_CIPHER_BAD_INPUT_DATA
Bad input parameters to function.
int cipher_finish(cipher_context_t *ctx, unsigned char *output, size_t *olen)
Generic cipher finalisation function.
Memory allocation layer (Deprecated to platform layer)
static int cipher_get_iv_size(const cipher_context_t *ctx)
Returns the size of the cipher's IV/NONCE in bytes.
Info structure for the pseudo random function.
static unsigned char * zero_alloc(size_t len)
Allocate and zeroize a buffer.
void cipher_init(cipher_context_t *ctx)
Initialize a cipher_context (as NONE)
void memory_buffer_alloc_free(void)
Free the mutex for thread-safety and clear remaining memory.
static cipher_mode_t cipher_get_cipher_mode(const cipher_context_t *ctx)
Returns the mode of operation for the cipher.
int cipher_write_tag(cipher_context_t *ctx, unsigned char *tag, size_t tag_len)
Write tag for AEAD ciphers.
const cipher_info_t * cipher_info_from_type(const cipher_type_t cipher_type)
Returns the cipher information structure associated with the given cipher type.
static unsigned int cipher_get_block_size(const cipher_context_t *ctx)
Returns the block size of the given cipher.
const cipher_info_t * cipher_info_from_string(const char *cipher_name)
Returns the cipher information structure associated with the given cipher name.
#define PUT_UINT32_BE(n, b, i)
int(* get_padding)(unsigned char *input, size_t ilen, size_t *data_len)
Configuration options (set of defines)
static int test_assert(int correct, const char *test)
static int rnd_buffer_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a buffer it receives.
int memory_buffer_alloc_init(unsigned char *buf, size_t len)
Initialize use of stack-based memory allocator.
const cipher_info_t * cipher_info
Information about the associated cipher.
#define TEST_ASSERT(TEST)
static int unhexify(unsigned char *obuf, const char *ibuf)
int cipher_update_ad(cipher_context_t *ctx, const unsigned char *ad, size_t ad_len)
Add additional data (for AEAD ciphers).
int cipher_set_iv(cipher_context_t *ctx, const unsigned char *iv, size_t iv_len)
Set the initialization vector (IV) or nonce.
int cipher_auth_encrypt(cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, unsigned char *tag, size_t tag_len)
Generic autenticated encryption (AEAD ciphers).
int cipher_update(cipher_context_t *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen)
Generic cipher update function.
int cipher_auth_decrypt(cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, const unsigned char *tag, size_t tag_len)
Generic autenticated decryption (AEAD ciphers).
int dispatch_test(int cnt, char *params[50])
#define POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED
Decryption of block requires a full block.
int get_line(FILE *f, char *buf, size_t len)
static unsigned char * unhexify_alloc(const char *ibuf, size_t *olen)
Allocate and fill a buffer from hex data.
static int rnd_zero_rand(void *rng_state, unsigned char *output, size_t len)
This function only returns zeros.
int cipher_reset(cipher_context_t *ctx)
Finish preparation of the given context.
void cipher_free(cipher_context_t *ctx)
Free and clear the cipher-specific context of ctx.
int cipher_set_padding_mode(cipher_context_t *ctx, cipher_padding_t mode)
Set padding mode, for cipher modes that use padding.
cipher_mode_t mode
Cipher mode (e.g.
int cipher_init_ctx(cipher_context_t *ctx, const cipher_info_t *cipher_info)
Initialises and fills the cipher context structure with the appropriate values.
int cipher_setkey(cipher_context_t *ctx, const unsigned char *key, int key_length, const operation_t operation)
Set the key to use with the given context.
int verify_string(char **str)
static int rnd_std_rand(void *rng_state, unsigned char *output, size_t len)
This function just returns data from rand().
Galois/Counter mode for 128-bit block ciphers.
const int * cipher_list(void)
Returns the list of ciphers supported by the generic cipher module.
static int rnd_pseudo_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a pseudo random function.
int verify_int(char *str, int *value)
int cipher_self_test(int verbose)
Checkup routine.
int cipher_check_tag(cipher_context_t *ctx, const unsigned char *tag, size_t tag_len)
Check tag for AEAD ciphers.
#define POLARSSL_ERR_CIPHER_AUTH_FAILED
Authentication failed (for AEAD modes).
static void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
int parse_arguments(char *buf, size_t len, char *params[50])