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_ARC4_128" ) == 0 )
403 if( strcmp( str,
"-1" ) == 0 )
410 printf(
"Expected integer for parameter and got: %s\n", str );
414 void test_suite_cipher_list( )
416 const int *cipher_type;
418 for( cipher_type =
cipher_list(); *cipher_type != 0; cipher_type++ )
425 void test_suite_cipher_null_args( )
429 unsigned char buf[1] = { 0 };
463 #if defined(POLARSSL_GCM_C)
480 #if defined(POLARSSL_GCM_C)
496 void test_suite_enc_dec_buf(
int cipher_id,
char *cipher_string,
int key_len,
497 int length_val,
int pad_mode )
499 size_t length = length_val, outlen, total_len, i;
500 unsigned char key[32];
501 unsigned char iv[16];
502 unsigned char ad[13];
503 unsigned char tag[16];
504 unsigned char inbuf[64];
505 unsigned char encbuf[64];
506 unsigned char decbuf[64];
518 memset( key, 0x2a,
sizeof( key ) );
532 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
545 for( i = 0; i < 3; i++ )
547 memset( iv , 0x00 + i,
sizeof( iv ) );
548 memset( ad, 0x10 + i,
sizeof( ad ) );
549 memset( inbuf, 0x20 + i,
sizeof( inbuf ) );
551 memset( encbuf, 0,
sizeof( encbuf ) );
552 memset( decbuf, 0,
sizeof( decbuf ) );
553 memset( tag, 0,
sizeof( tag ) );
561 #if defined(POLARSSL_GCM_C)
572 total_len < length &&
578 #if defined(POLARSSL_GCM_C)
584 total_len > length &&
593 total_len < length &&
599 #if defined(POLARSSL_GCM_C)
616 void test_suite_enc_fail(
int cipher_id,
int pad_mode,
int key_len,
617 int length_val,
int ret )
619 size_t length = length_val;
620 unsigned char key[32];
621 unsigned char iv[16];
626 unsigned char inbuf[64];
627 unsigned char encbuf[64];
631 memset( key, 0, 32 );
632 memset( iv , 0, 16 );
636 memset( inbuf, 5, 64 );
637 memset( encbuf, 0, 64 );
646 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
653 #if defined(POLARSSL_GCM_C)
666 void test_suite_dec_empty_buf()
668 unsigned char key[32];
669 unsigned char iv[16];
674 unsigned char encbuf[64];
675 unsigned char decbuf[64];
679 memset( key, 0, 32 );
680 memset( iv , 0, 16 );
684 memset( encbuf, 0, 64 );
685 memset( decbuf, 0, 64 );
699 #if defined(POLARSSL_GCM_C)
707 &ctx_dec, decbuf + outlen, &outlen ) );
714 void test_suite_enc_dec_buf_multipart(
int cipher_id,
int key_len,
int first_length_val,
715 int second_length_val )
717 size_t first_length = first_length_val;
718 size_t second_length = second_length_val;
719 size_t length = first_length + second_length;
720 unsigned char key[32];
721 unsigned char iv[16];
727 unsigned char inbuf[64];
728 unsigned char encbuf[64];
729 unsigned char decbuf[64];
732 size_t totaloutlen = 0;
734 memset( key, 0, 32 );
735 memset( iv , 0, 16 );
740 memset( inbuf, 5, 64 );
741 memset( encbuf, 0, 64 );
742 memset( decbuf, 0, 64 );
760 #if defined(POLARSSL_GCM_C)
767 totaloutlen = outlen;
769 totaloutlen += outlen;
772 totaloutlen < length &&
776 totaloutlen += outlen;
779 totaloutlen > length &&
784 totaloutlen = outlen;
788 totaloutlen < length &&
792 totaloutlen += outlen;
803 void test_suite_decrypt_test_vec(
int cipher_id,
int pad_mode,
804 char *hex_key,
char *hex_iv,
805 char *hex_cipher,
char *hex_clear,
806 char *hex_ad,
char *hex_tag,
807 int finish_result,
int tag_result )
809 unsigned char key[50];
810 unsigned char iv[50];
811 unsigned char cipher[200];
812 unsigned char clear[200];
813 unsigned char ad[200];
814 unsigned char tag[20];
815 size_t key_len, iv_len, cipher_len, clear_len;
816 #if defined(POLARSSL_GCM_C)
817 size_t ad_len, tag_len;
820 unsigned char output[200];
821 size_t outlen, total_len;
825 memset( key, 0x00,
sizeof( key ) );
826 memset( iv, 0x00,
sizeof( iv ) );
827 memset( cipher, 0x00,
sizeof( cipher ) );
828 memset( clear, 0x00,
sizeof( clear ) );
829 memset( ad, 0x00,
sizeof( ad ) );
830 memset( tag, 0x00,
sizeof( tag ) );
831 memset( output, 0x00,
sizeof( output ) );
835 cipher_len =
unhexify( cipher, hex_cipher );
836 clear_len =
unhexify( clear, hex_clear );
837 #if defined(POLARSSL_GCM_C)
849 #if defined(POLARSSL_CIPHER_MODE_WITH_PADDING)
857 #if defined(POLARSSL_GCM_C)
868 #if defined(POLARSSL_GCM_C)
873 if( 0 == finish_result && 0 == tag_result )
876 TEST_ASSERT( 0 == memcmp( output, clear, clear_len ) );
883 #ifdef POLARSSL_CIPHER_MODE_AEAD
884 void test_suite_auth_crypt_tv(
int cipher_id,
char *hex_key,
char *hex_iv,
885 char *hex_ad,
char *hex_cipher,
886 char *hex_tag,
char *hex_clear )
889 unsigned char key[50];
890 unsigned char iv[50];
891 unsigned char cipher[200];
892 unsigned char clear[200];
893 unsigned char ad[200];
894 unsigned char tag[20];
895 unsigned char my_tag[20];
896 size_t key_len, iv_len, cipher_len, clear_len, ad_len, tag_len;
898 unsigned char output[200];
903 memset( key, 0x00,
sizeof( key ) );
904 memset( iv, 0x00,
sizeof( iv ) );
905 memset( cipher, 0x00,
sizeof( cipher ) );
906 memset( clear, 0x00,
sizeof( clear ) );
907 memset( ad, 0x00,
sizeof( ad ) );
908 memset( tag, 0x00,
sizeof( tag ) );
909 memset( my_tag, 0xFF,
sizeof( my_tag ) );
910 memset( output, 0xFF,
sizeof( output ) );
914 cipher_len =
unhexify( cipher, hex_cipher );
925 cipher, cipher_len, output, &outlen,
933 if( strcmp( hex_clear,
"FAIL" ) == 0 )
942 clear_len =
unhexify( clear, hex_clear );
944 TEST_ASSERT( memcmp( output, clear, clear_len ) == 0 );
947 memset( output, 0xFF,
sizeof( output ) );
951 clear, clear_len, output, &outlen,
956 TEST_ASSERT( memcmp( output, cipher, clear_len ) == 0 );
957 TEST_ASSERT( memcmp( my_tag, tag, tag_len ) == 0 );
971 void test_suite_test_vec_ecb(
int cipher_id,
int operation,
char *hex_key,
972 char *hex_input,
char *hex_result,
975 unsigned char key[50];
976 unsigned char input[16];
977 unsigned char result[16];
980 unsigned char output[32];
985 memset( key, 0x00,
sizeof( key ) );
986 memset( input, 0x00,
sizeof( input ) );
987 memset( result, 0x00,
sizeof( result ) );
988 memset( output, 0x00,
sizeof( output ) );
1004 output, &outlen ) );
1011 if( 0 == finish_result )
1019 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1020 void test_suite_set_padding(
int cipher_id,
int pad_mode,
int ret )
1038 #ifdef POLARSSL_CIPHER_MODE_CBC
1039 void test_suite_check_padding(
int pad_mode,
char *input_str,
int ret,
int dlen_check )
1043 unsigned char input[16];
1053 ilen =
unhexify( input, input_str );
1064 #ifdef POLARSSL_SELF_TEST
1065 void test_suite_cipher_selftest()
1083 if( strcmp( str,
"POLARSSL_ARC4_C" ) == 0 )
1085 #if defined(POLARSSL_ARC4_C)
1102 #if defined(TEST_SUITE_ACTIVE)
1103 if( strcmp( params[0],
"cipher_list" ) == 0 )
1109 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1114 test_suite_cipher_list( );
1120 if( strcmp( params[0],
"cipher_null_args" ) == 0 )
1126 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1131 test_suite_cipher_null_args( );
1137 if( strcmp( params[0],
"enc_dec_buf" ) == 0 )
1141 char *param2 = params[2];
1148 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1152 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1154 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1155 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1156 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1158 test_suite_enc_dec_buf( param1, param2, param3, param4, param5 );
1164 if( strcmp( params[0],
"enc_fail" ) == 0 )
1175 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
1179 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1180 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1181 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1182 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1183 if(
verify_int( params[5], ¶m5 ) != 0 )
return( 2 );
1185 test_suite_enc_fail( param1, param2, param3, param4, param5 );
1191 if( strcmp( params[0],
"dec_empty_buf" ) == 0 )
1197 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1202 test_suite_dec_empty_buf( );
1208 if( strcmp( params[0],
"enc_dec_buf_multipart" ) == 0 )
1218 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1222 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1223 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1224 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1225 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1227 test_suite_enc_dec_buf_multipart( param1, param2, param3, param4 );
1233 if( strcmp( params[0],
"decrypt_test_vec" ) == 0 )
1238 char *param3 = params[3];
1239 char *param4 = params[4];
1240 char *param5 = params[5];
1241 char *param6 = params[6];
1242 char *param7 = params[7];
1243 char *param8 = params[8];
1249 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 11 );
1253 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1254 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1261 if(
verify_int( params[9], ¶m9 ) != 0 )
return( 2 );
1262 if(
verify_int( params[10], ¶m10 ) != 0 )
return( 2 );
1264 test_suite_decrypt_test_vec( param1, param2, param3, param4, param5, param6, param7, param8, param9, param10 );
1270 if( strcmp( params[0],
"auth_crypt_tv" ) == 0 )
1272 #ifdef POLARSSL_CIPHER_MODE_AEAD
1275 char *param2 = params[2];
1276 char *param3 = params[3];
1277 char *param4 = params[4];
1278 char *param5 = params[5];
1279 char *param6 = params[6];
1280 char *param7 = params[7];
1284 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 8 );
1288 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1296 test_suite_auth_crypt_tv( param1, param2, param3, param4, param5, param6, param7 );
1303 if( strcmp( params[0],
"test_vec_ecb" ) == 0 )
1308 char *param3 = params[3];
1309 char *param4 = params[4];
1310 char *param5 = params[5];
1315 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 7 );
1319 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1320 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1324 if(
verify_int( params[6], ¶m6 ) != 0 )
return( 2 );
1326 test_suite_test_vec_ecb( param1, param2, param3, param4, param5, param6 );
1332 if( strcmp( params[0],
"set_padding" ) == 0 )
1334 #ifdef POLARSSL_CIPHER_MODE_WITH_PADDING
1342 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 4 );
1346 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1347 if(
verify_int( params[2], ¶m2 ) != 0 )
return( 2 );
1348 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1350 test_suite_set_padding( param1, param2, param3 );
1357 if( strcmp( params[0],
"check_padding" ) == 0 )
1359 #ifdef POLARSSL_CIPHER_MODE_CBC
1362 char *param2 = params[2];
1368 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 5 );
1372 if(
verify_int( params[1], ¶m1 ) != 0 )
return( 2 );
1374 if(
verify_int( params[3], ¶m3 ) != 0 )
return( 2 );
1375 if(
verify_int( params[4], ¶m4 ) != 0 )
return( 2 );
1377 test_suite_check_padding( param1, param2, param3, param4 );
1384 if( strcmp( params[0],
"cipher_selftest" ) == 0 )
1386 #ifdef POLARSSL_SELF_TEST
1391 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 1 );
1396 test_suite_cipher_selftest( );
1405 fprintf( stdout,
"FAILED\nSkipping unknown test function '%s'\n", params[0] );
1419 ret = fgets( buf, len, f );
1423 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\n' )
1424 buf[strlen(buf) - 1] =
'\0';
1425 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\r' )
1426 buf[strlen(buf) - 1] =
'\0';
1437 params[cnt++] = cur;
1439 while( *p !=
'\0' && p < buf + len )
1449 if( p + 1 < buf + len )
1452 params[cnt++] = cur;
1461 for( i = 0; i < cnt; i++ )
1468 if( *p ==
'\\' && *(p + 1) ==
'n' )
1473 else if( *p ==
'\\' && *(p + 1) ==
':' )
1478 else if( *p ==
'\\' && *(p + 1) ==
'?' )
1494 int ret, i, cnt, total_errors = 0, total_tests = 0, total_skipped = 0;
1495 const char *filename =
"/tmp/B.1c06a028-9709-4951-a65b-b24142b09746/BUILD/polarssl-1.3.9/tests/suites/test_suite_cipher.arc4.data";
1500 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1501 unsigned char alloc_buf[1000000];
1505 file = fopen( filename,
"r" );
1508 fprintf( stderr,
"Failed to open\n" );
1512 while( !feof( file ) )
1516 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1518 fprintf( stdout,
"%s%.66s",
test_errors ?
"\n" :
"", buf );
1519 fprintf( stdout,
" " );
1520 for( i = strlen( buf ) + 1; i < 67; i++ )
1521 fprintf( stdout,
"." );
1522 fprintf( stdout,
" " );
1527 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1531 if( strcmp( params[0],
"depends_on" ) == 0 )
1533 for( i = 1; i < cnt; i++ )
1537 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1548 if( skip == 1 || ret == 3 )
1551 fprintf( stdout,
"----\n" );
1556 fprintf( stdout,
"PASS\n" );
1561 fprintf( stderr,
"FAILED: FATAL PARSE ERROR\n" );
1568 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
1570 if( strlen(buf) != 0 )
1572 fprintf( stderr,
"Should be empty %d\n", (
int) strlen(buf) );
1578 fprintf( stdout,
"\n----------------------------------------------------------------------------\n\n");
1579 if( total_errors == 0 )
1580 fprintf( stdout,
"PASSED" );
1582 fprintf( stdout,
"FAILED" );
1584 fprintf( stdout,
" (%d / %d tests (%d skipped))\n",
1585 total_tests - total_errors, total_tests, total_skipped );
1587 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
1588 #if defined(POLARSSL_MEMORY_DEBUG)
1589 memory_buffer_alloc_status();
1594 return( total_errors != 0 );
#define POLARSSL_ERR_CIPHER_BAD_INPUT_DATA
Bad input parameters to function.
static int rnd_zero_rand(void *rng_state, unsigned char *output, size_t len)
This function only returns zeros.
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.
int get_line(FILE *f, char *buf, size_t len)
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.
int(* get_padding)(unsigned char *input, size_t ilen, size_t *data_len)
Configuration options (set of defines)
int parse_arguments(char *buf, size_t len, char *params[50])
int dispatch_test(int cnt, char *params[50])
static int test_assert(int correct, const char *test)
static unsigned char * zero_alloc(size_t len)
Allocate and zeroize a buffer.
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 cipher_update_ad(cipher_context_t *ctx, const unsigned char *ad, size_t ad_len)
Add additional data (for AEAD ciphers).
static int unhexify(unsigned char *obuf, const char *ibuf)
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).
static int rnd_buffer_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a buffer it receives.
#define POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED
Decryption of block requires a full block.
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_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 void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
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)
#define PUT_UINT32_BE(n, b, i)
int cipher_self_test(int verbose)
Checkup routine.
static unsigned char * unhexify_alloc(const char *ibuf, size_t *olen)
Allocate and fill a buffer from hex data.
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).