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 if( strcmp( str,
"POLARSSL_CIPHER_CAMELLIA_256_GCM" ) == 0 )
403 if( strcmp( str,
"-1" ) == 0 )
408 if( strcmp( str,
"POLARSSL_CIPHER_CAMELLIA_128_GCM" ) == 0 )
413 if( strcmp( str,
"POLARSSL_CIPHER_AES_192_GCM" ) == 0 )
418 if( strcmp( str,
"POLARSSL_CIPHER_AES_256_GCM" ) == 0 )
423 if( strcmp( str,
"POLARSSL_CIPHER_AES_128_GCM" ) == 0 )
428 if( strcmp( str,
"POLARSSL_CIPHER_CAMELLIA_192_GCM" ) == 0 )
433 if( strcmp( str,
"POLARSSL_ERR_CIPHER_AUTH_FAILED" ) == 0 )
440 printf(
"Expected integer for parameter and got: %s\n", str );
444 void test_suite_cipher_list( )
446 const int *cipher_type;
448 for( cipher_type =
cipher_list(); *cipher_type != 0; cipher_type++ )
455 void test_suite_cipher_null_args( )
459 unsigned char buf[1] = { 0 };
493 #if defined(POLARSSL_GCM_C)
510 #if defined(POLARSSL_GCM_C)
526 void test_suite_enc_dec_buf(
int cipher_id,
char *cipher_string,
int key_len,
527 int length_val,
int pad_mode )
529 size_t length = length_val, outlen, total_len, i;
530 unsigned char key[32];
531 unsigned char iv[16];
532 unsigned char ad[13];
533 unsigned char tag[16];
534 unsigned char inbuf[64];
535 unsigned char encbuf[64];
536 unsigned char decbuf[64];
548 memset( key, 0x2a,
sizeof( key ) );
562 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
575 for( i = 0; i < 3; i++ )
577 memset( iv , 0x00 + i,
sizeof( iv ) );
578 memset( ad, 0x10 + i,
sizeof( ad ) );
579 memset( inbuf, 0x20 + i,
sizeof( inbuf ) );
581 memset( encbuf, 0,
sizeof( encbuf ) );
582 memset( decbuf, 0,
sizeof( decbuf ) );
583 memset( tag, 0,
sizeof( tag ) );
591 #if defined(POLARSSL_GCM_C)
602 total_len < length &&
608 #if defined(POLARSSL_GCM_C)
614 total_len > length &&
623 total_len < length &&
629 #if defined(POLARSSL_GCM_C)
646 void test_suite_enc_fail(
int cipher_id,
int pad_mode,
int key_len,
647 int length_val,
int ret )
649 size_t length = length_val;
650 unsigned char key[32];
651 unsigned char iv[16];
656 unsigned char inbuf[64];
657 unsigned char encbuf[64];
661 memset( key, 0, 32 );
662 memset( iv , 0, 16 );
666 memset( inbuf, 5, 64 );
667 memset( encbuf, 0, 64 );
676 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
683 #if defined(POLARSSL_GCM_C)
696 void test_suite_dec_empty_buf()
698 unsigned char key[32];
699 unsigned char iv[16];
704 unsigned char encbuf[64];
705 unsigned char decbuf[64];
709 memset( key, 0, 32 );
710 memset( iv , 0, 16 );
714 memset( encbuf, 0, 64 );
715 memset( decbuf, 0, 64 );
729 #if defined(POLARSSL_GCM_C)
737 &ctx_dec, decbuf + outlen, &outlen ) );
744 void test_suite_enc_dec_buf_multipart(
int cipher_id,
int key_len,
int first_length_val,
745 int second_length_val )
747 size_t first_length = first_length_val;
748 size_t second_length = second_length_val;
749 size_t length = first_length + second_length;
750 unsigned char key[32];
751 unsigned char iv[16];
757 unsigned char inbuf[64];
758 unsigned char encbuf[64];
759 unsigned char decbuf[64];
762 size_t totaloutlen = 0;
764 memset( key, 0, 32 );
765 memset( iv , 0, 16 );
770 memset( inbuf, 5, 64 );
771 memset( encbuf, 0, 64 );
772 memset( decbuf, 0, 64 );
790 #if defined(POLARSSL_GCM_C)
797 totaloutlen = outlen;
799 totaloutlen += outlen;
802 totaloutlen < length &&
806 totaloutlen += outlen;
809 totaloutlen > length &&
814 totaloutlen = outlen;
818 totaloutlen < length &&
822 totaloutlen += outlen;
833 void test_suite_decrypt_test_vec(
int cipher_id,
int pad_mode,
834 char *hex_key,
char *hex_iv,
835 char *hex_cipher,
char *hex_clear,
836 char *hex_ad,
char *hex_tag,
837 int finish_result,
int tag_result )
839 unsigned char key[50];
840 unsigned char iv[50];
841 unsigned char cipher[200];
842 unsigned char clear[200];
843 unsigned char ad[200];
844 unsigned char tag[20];
845 size_t key_len, iv_len, cipher_len, clear_len;
846 #if defined(POLARSSL_GCM_C)
847 size_t ad_len, tag_len;
850 unsigned char output[200];
851 size_t outlen, total_len;
855 memset( key, 0x00,
sizeof( key ) );
856 memset( iv, 0x00,
sizeof( iv ) );
857 memset( cipher, 0x00,
sizeof( cipher ) );
858 memset( clear, 0x00,
sizeof( clear ) );
859 memset( ad, 0x00,
sizeof( ad ) );
860 memset( tag, 0x00,
sizeof( tag ) );
861 memset( output, 0x00,
sizeof( output ) );
865 cipher_len =
unhexify( cipher, hex_cipher );
866 clear_len =
unhexify( clear, hex_clear );
867 #if defined(POLARSSL_GCM_C)
879 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
887 #if defined(POLARSSL_GCM_C)
898 #if defined(POLARSSL_GCM_C)
903 if( 0 == finish_result && 0 == tag_result )
906 TEST_ASSERT( 0 == memcmp( output, clear, clear_len ) );
913 #ifdef POLARSSL_CIPHER_MODE_AEAD
914 void test_suite_auth_crypt_tv(
int cipher_id,
char *hex_key,
char *hex_iv,
915 char *hex_ad,
char *hex_cipher,
916 char *hex_tag,
char *hex_clear )
919 unsigned char key[50];
920 unsigned char iv[50];
921 unsigned char cipher[200];
922 unsigned char clear[200];
923 unsigned char ad[200];
924 unsigned char tag[20];
925 unsigned char my_tag[20];
926 size_t key_len, iv_len, cipher_len, clear_len, ad_len, tag_len;
928 unsigned char output[200];
933 memset( key, 0x00,
sizeof( key ) );
934 memset( iv, 0x00,
sizeof( iv ) );
935 memset( cipher, 0x00,
sizeof( cipher ) );
936 memset( clear, 0x00,
sizeof( clear ) );
937 memset( ad, 0x00,
sizeof( ad ) );
938 memset( tag, 0x00,
sizeof( tag ) );
939 memset( my_tag, 0xFF,
sizeof( my_tag ) );
940 memset( output, 0xFF,
sizeof( output ) );
944 cipher_len =
unhexify( cipher, hex_cipher );
955 cipher, cipher_len, output, &outlen,
963 if( strcmp( hex_clear,
"FAIL" ) == 0 )
972 clear_len =
unhexify( clear, hex_clear );
974 TEST_ASSERT( memcmp( output, clear, clear_len ) == 0 );
977 memset( output, 0xFF,
sizeof( output ) );
981 clear, clear_len, output, &outlen,
986 TEST_ASSERT( memcmp( output, cipher, clear_len ) == 0 );
987 TEST_ASSERT( memcmp( my_tag, tag, tag_len ) == 0 );
1001 void test_suite_test_vec_ecb(
int cipher_id,
int operation,
char *hex_key,
1002 char *hex_input,
char *hex_result,
1005 unsigned char key[50];
1006 unsigned char input[16];
1007 unsigned char result[16];
1010 unsigned char output[32];
1015 memset( key, 0x00,
sizeof( key ) );
1016 memset( input, 0x00,
sizeof( input ) );
1017 memset( result, 0x00,
sizeof( result ) );
1018 memset( output, 0x00,
sizeof( output ) );
1024 key_len =
unhexify( key, hex_key );
1034 output, &outlen ) );
1041 if( 0 == finish_result )
1049 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1050 void test_suite_set_padding(
int cipher_id,
int pad_mode,
int ret )
1068 #ifdef POLARSSL_CIPHER_MODE_CBC
1069 void test_suite_check_padding(
int pad_mode,
char *input_str,
int ret,
int dlen_check )
1073 unsigned char input[16];
1083 ilen =
unhexify( input, input_str );
1094 #ifdef POLARSSL_SELF_TEST
1095 void test_suite_cipher_selftest()
1113 if( strcmp( str,
"POLARSSL_GCM_C" ) == 0 )
1115 #if defined(POLARSSL_GCM_C)
1121 if( strcmp( str,
"POLARSSL_CAMELLIA_C" ) == 0 )
1123 #if defined(POLARSSL_CAMELLIA_C)
1129 if( strcmp( str,
"POLARSSL_AES_C" ) == 0 )
1131 #if defined(POLARSSL_AES_C)
1148 #if defined(TEST_SUITE_ACTIVE)
1149 if( strcmp( params[0],
"cipher_list" ) == 0 )
1155 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1160 test_suite_cipher_list( );
1166 if( strcmp( params[0],
"cipher_null_args" ) == 0 )
1172 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1177 test_suite_cipher_null_args( );
1183 if( strcmp( params[0],
"enc_dec_buf" ) == 0 )
1187 char *param2 = params[2];
1194 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1198 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1200 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1201 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1202 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1204 test_suite_enc_dec_buf( param1, param2, param3, param4, param5 );
1210 if( strcmp( params[0],
"enc_fail" ) == 0 )
1221 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1225 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1226 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1227 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1228 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1229 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1231 test_suite_enc_fail( param1, param2, param3, param4, param5 );
1237 if( strcmp( params[0],
"dec_empty_buf" ) == 0 )
1243 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1248 test_suite_dec_empty_buf( );
1254 if( strcmp( params[0],
"enc_dec_buf_multipart" ) == 0 )
1264 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1268 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1269 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1270 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1271 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1273 test_suite_enc_dec_buf_multipart( param1, param2, param3, param4 );
1279 if( strcmp( params[0],
"decrypt_test_vec" ) == 0 )
1284 char *param3 = params[3];
1285 char *param4 = params[4];
1286 char *param5 = params[5];
1287 char *param6 = params[6];
1288 char *param7 = params[7];
1289 char *param8 = params[8];
1295 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 11 );
1299 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1300 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1307 if(
verify_int( params[9], ¶m9 ) != 0 )
return( 2 );
1308 if(
verify_int( params[10], ¶m10 ) != 0 )
return( 2 );
1310 test_suite_decrypt_test_vec( param1, param2, param3, param4, param5, param6, param7, param8, param9, param10 );
1316 if( strcmp( params[0],
"auth_crypt_tv" ) == 0 )
1318 #ifdef POLARSSL_CIPHER_MODE_AEAD
1321 char *param2 = params[2];
1322 char *param3 = params[3];
1323 char *param4 = params[4];
1324 char *param5 = params[5];
1325 char *param6 = params[6];
1326 char *param7 = params[7];
1330 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 8 );
1334 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1342 test_suite_auth_crypt_tv( param1, param2, param3, param4, param5, param6, param7 );
1349 if( strcmp( params[0],
"test_vec_ecb" ) == 0 )
1354 char *param3 = params[3];
1355 char *param4 = params[4];
1356 char *param5 = params[5];
1361 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 7 );
1365 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1366 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1370 if(
verify_int( params[6], ¶m6 ) != 0 )
return( 2 );
1372 test_suite_test_vec_ecb( param1, param2, param3, param4, param5, param6 );
1378 if( strcmp( params[0],
"set_padding" ) == 0 )
1380 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1388 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 4 );
1392 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1393 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1394 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1396 test_suite_set_padding( param1, param2, param3 );
1403 if( strcmp( params[0],
"check_padding" ) == 0 )
1405 #ifdef POLARSSL_CIPHER_MODE_CBC
1408 char *param2 = params[2];
1414 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1418 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1420 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1421 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1423 test_suite_check_padding( param1, param2, param3, param4 );
1430 if( strcmp( params[0],
"cipher_selftest" ) == 0 )
1432 #ifdef POLARSSL_SELF_TEST
1437 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1442 test_suite_cipher_selftest( );
1451 fprintf( stdout,
"FAILED\nSkipping unknown test function '%s'\n", params[0] );
1465 ret = fgets( buf, len, f );
1469 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\n' )
1470 buf[strlen(buf) - 1] =
'\0';
1471 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\r' )
1472 buf[strlen(buf) - 1] =
'\0';
1483 params[cnt++] = cur;
1485 while( *p !=
'\0' && p < buf + len )
1495 if( p + 1 < buf + len )
1498 params[cnt++] = cur;
1507 for( i = 0; i < cnt; i++ )
1514 if( *p ==
'\\' && *(p + 1) ==
'n' )
1519 else if( *p ==
'\\' && *(p + 1) ==
':' )
1524 else if( *p ==
'\\' && *(p + 1) ==
'?' )
1540 int ret, i, cnt, total_errors = 0, total_tests = 0, total_skipped = 0;
1541 const char *filename =
"/builddir/build/BUILD/polarssl-1.3.9/tests/suites/test_suite_cipher.gcm.data";
1546 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1547 unsigned char alloc_buf[1000000];
1551 file = fopen( filename,
"r" );
1554 fprintf( stderr,
"Failed to open\n" );
1558 while( !feof( file ) )
1562 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1564 fprintf( stdout,
"%s%.66s",
test_errors ?
"\n" :
"", buf );
1565 fprintf( stdout,
" " );
1566 for( i = strlen( buf ) + 1; i < 67; i++ )
1567 fprintf( stdout,
"." );
1568 fprintf( stdout,
" " );
1573 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1577 if( strcmp( params[0],
"depends_on" ) == 0 )
1579 for( i = 1; i < cnt; i++ )
1583 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1594 if( skip == 1 || ret == 3 )
1597 fprintf( stdout,
"----\n" );
1602 fprintf( stdout,
"PASS\n" );
1607 fprintf( stderr,
"FAILED: FATAL PARSE ERROR\n" );
1614 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1616 if( strlen(buf) != 0 )
1618 fprintf( stderr,
"Should be empty %d\n", (
int) strlen(buf) );
1624 fprintf( stdout,
"\n----------------------------------------------------------------------------\n\n");
1625 if( total_errors == 0 )
1626 fprintf( stdout,
"PASSED" );
1628 fprintf( stdout,
"FAILED" );
1630 fprintf( stdout,
" (%d / %d tests (%d skipped))\n",
1631 total_tests - total_errors, total_tests, total_skipped );
1633 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1634 #if defined(POLARSSL_MEMORY_DEBUG)
1635 memory_buffer_alloc_status();
1640 return( total_errors != 0 );
#define POLARSSL_ERR_CIPHER_BAD_INPUT_DATA
Bad input parameters to function.
static unsigned char * zero_alloc(size_t len)
Allocate and zeroize a buffer.
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 void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
static int cipher_get_iv_size(const cipher_context_t *ctx)
Returns the size of the cipher's IV/NONCE in bytes.
int parse_arguments(char *buf, size_t len, char *params[50])
Info structure for the pseudo random function.
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.
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(* get_padding)(unsigned char *input, size_t ilen, size_t *data_len)
Configuration options (set of defines)
#define PUT_UINT32_BE(n, b, i)
static int test_assert(int correct, const char *test)
static int unhexify(unsigned char *obuf, const char *ibuf)
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)
int dispatch_test(int cnt, char *params[50])
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.
static unsigned char * unhexify_alloc(const char *ibuf, size_t *olen)
Allocate and fill a buffer from hex data.
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).
static int rnd_zero_rand(void *rng_state, unsigned char *output, size_t len)
This function only returns zeros.
#define POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED
Decryption of block requires a full block.
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 get_line(FILE *f, char *buf, size_t len)
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)
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_std_rand(void *rng_state, unsigned char *output, size_t len)
This function just returns data from rand().
int verify_int(char *str, int *value)
int cipher_self_test(int verbose)
Checkup routine.
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 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).