PolarSSL v1.3.9
test_suite_pkcs5.c
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1 #if !defined(POLARSSL_CONFIG_FILE)
2 #include <polarssl/config.h>
3 #else
4 #include POLARSSL_CONFIG_FILE
5 #endif
6 
7 #ifdef POLARSSL_PKCS5_C
8 
9 #include <polarssl/pkcs5.h>
10 #endif /* POLARSSL_PKCS5_C */
11 
12 
13 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
14 #include "polarssl/memory.h"
15 #endif
16 
17 #if defined(POLARSSL_PLATFORM_C)
18 #include "polarssl/platform.h"
19 #else
20 #define polarssl_malloc malloc
21 #define polarssl_free free
22 #endif
23 
24 #ifdef _MSC_VER
25 #include <basetsd.h>
26 typedef UINT32 uint32_t;
27 #else
28 #include <inttypes.h>
29 #endif
30 
31 #include <assert.h>
32 #include <stdlib.h>
33 #include <string.h>
34 
35 /*
36  * 32-bit integer manipulation macros (big endian)
37  */
38 #ifndef GET_UINT32_BE
39 #define GET_UINT32_BE(n,b,i) \
40 { \
41  (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
42  | ( (uint32_t) (b)[(i) + 1] << 16 ) \
43  | ( (uint32_t) (b)[(i) + 2] << 8 ) \
44  | ( (uint32_t) (b)[(i) + 3] ); \
45 }
46 #endif
47 
48 #ifndef PUT_UINT32_BE
49 #define PUT_UINT32_BE(n,b,i) \
50 { \
51  (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
52  (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
53  (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
54  (b)[(i) + 3] = (unsigned char) ( (n) ); \
55 }
56 #endif
57 
58 static int unhexify(unsigned char *obuf, const char *ibuf)
59 {
60  unsigned char c, c2;
61  int len = strlen(ibuf) / 2;
62  assert(!(strlen(ibuf) %1)); // must be even number of bytes
63 
64  while (*ibuf != 0)
65  {
66  c = *ibuf++;
67  if( c >= '0' && c <= '9' )
68  c -= '0';
69  else if( c >= 'a' && c <= 'f' )
70  c -= 'a' - 10;
71  else if( c >= 'A' && c <= 'F' )
72  c -= 'A' - 10;
73  else
74  assert( 0 );
75 
76  c2 = *ibuf++;
77  if( c2 >= '0' && c2 <= '9' )
78  c2 -= '0';
79  else if( c2 >= 'a' && c2 <= 'f' )
80  c2 -= 'a' - 10;
81  else if( c2 >= 'A' && c2 <= 'F' )
82  c2 -= 'A' - 10;
83  else
84  assert( 0 );
85 
86  *obuf++ = ( c << 4 ) | c2;
87  }
88 
89  return len;
90 }
91 
92 static void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
93 {
94  unsigned char l, h;
95 
96  while (len != 0)
97  {
98  h = (*ibuf) / 16;
99  l = (*ibuf) % 16;
100 
101  if( h < 10 )
102  *obuf++ = '0' + h;
103  else
104  *obuf++ = 'a' + h - 10;
105 
106  if( l < 10 )
107  *obuf++ = '0' + l;
108  else
109  *obuf++ = 'a' + l - 10;
110 
111  ++ibuf;
112  len--;
113  }
114 }
115 
123 static unsigned char *zero_alloc( size_t len )
124 {
125  void *p;
126  size_t actual_len = len != 0 ? len : 1;
127 
128  p = polarssl_malloc( actual_len );
129  assert( p != NULL );
130 
131  memset( p, 0x00, actual_len );
132 
133  return( p );
134 }
135 
146 static unsigned char *unhexify_alloc( const char *ibuf, size_t *olen )
147 {
148  unsigned char *obuf;
149 
150  *olen = strlen(ibuf) / 2;
151 
152  if( *olen == 0 )
153  return( zero_alloc( *olen ) );
154 
155  obuf = polarssl_malloc( *olen );
156  assert( obuf != NULL );
157 
158  (void) unhexify( obuf, ibuf );
159 
160  return( obuf );
161 }
162 
172 static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len )
173 {
174 #if !defined(__OpenBSD__)
175  size_t i;
176 
177  if( rng_state != NULL )
178  rng_state = NULL;
179 
180  for( i = 0; i < len; ++i )
181  output[i] = rand();
182 #else
183  if( rng_state != NULL )
184  rng_state = NULL;
185 
186  arc4random_buf( output, len );
187 #endif /* !OpenBSD */
188 
189  return( 0 );
190 }
191 
197 static int rnd_zero_rand( void *rng_state, unsigned char *output, size_t len )
198 {
199  if( rng_state != NULL )
200  rng_state = NULL;
201 
202  memset( output, 0, len );
203 
204  return( 0 );
205 }
206 
207 typedef struct
208 {
209  unsigned char *buf;
210  size_t length;
211 } rnd_buf_info;
212 
224 static int rnd_buffer_rand( void *rng_state, unsigned char *output, size_t len )
225 {
226  rnd_buf_info *info = (rnd_buf_info *) rng_state;
227  size_t use_len;
228 
229  if( rng_state == NULL )
230  return( rnd_std_rand( NULL, output, len ) );
231 
232  use_len = len;
233  if( len > info->length )
234  use_len = info->length;
235 
236  if( use_len )
237  {
238  memcpy( output, info->buf, use_len );
239  info->buf += use_len;
240  info->length -= use_len;
241  }
242 
243  if( len - use_len > 0 )
244  return( rnd_std_rand( NULL, output + use_len, len - use_len ) );
245 
246  return( 0 );
247 }
248 
256 typedef struct
257 {
258  uint32_t key[16];
259  uint32_t v0, v1;
261 
270 static int rnd_pseudo_rand( void *rng_state, unsigned char *output, size_t len )
271 {
272  rnd_pseudo_info *info = (rnd_pseudo_info *) rng_state;
273  uint32_t i, *k, sum, delta=0x9E3779B9;
274  unsigned char result[4], *out = output;
275 
276  if( rng_state == NULL )
277  return( rnd_std_rand( NULL, output, len ) );
278 
279  k = info->key;
280 
281  while( len > 0 )
282  {
283  size_t use_len = ( len > 4 ) ? 4 : len;
284  sum = 0;
285 
286  for( i = 0; i < 32; i++ )
287  {
288  info->v0 += (((info->v1 << 4) ^ (info->v1 >> 5)) + info->v1) ^ (sum + k[sum & 3]);
289  sum += delta;
290  info->v1 += (((info->v0 << 4) ^ (info->v0 >> 5)) + info->v0) ^ (sum + k[(sum>>11) & 3]);
291  }
292 
293  PUT_UINT32_BE( info->v0, result, 0 );
294  memcpy( out, result, use_len );
295  len -= use_len;
296  out += 4;
297  }
298 
299  return( 0 );
300 }
301 
302 
303 #include <stdio.h>
304 #include <string.h>
305 
306 #if defined(POLARSSL_PLATFORM_C)
307 #include "polarssl/platform.h"
308 #else
309 #define polarssl_printf printf
310 #define polarssl_malloc malloc
311 #define polarssl_free free
312 #endif
313 
314 static int test_errors = 0;
315 
316 #ifdef POLARSSL_PKCS5_C
317 
318 #define TEST_SUITE_ACTIVE
319 
320 static int test_assert( int correct, const char *test )
321 {
322  if( correct )
323  return( 0 );
324 
325  test_errors++;
326  if( test_errors == 1 )
327  printf( "FAILED\n" );
328  printf( " %s\n", test );
329 
330  return( 1 );
331 }
332 
333 #define TEST_ASSERT( TEST ) \
334  do { test_assert( (TEST) ? 1 : 0, #TEST ); \
335  if( test_errors) goto exit; \
336  } while (0)
337 
338 int verify_string( char **str )
339 {
340  if( (*str)[0] != '"' ||
341  (*str)[strlen( *str ) - 1] != '"' )
342  {
343  printf( "Expected string (with \"\") for parameter and got: %s\n", *str );
344  return( -1 );
345  }
346 
347  (*str)++;
348  (*str)[strlen( *str ) - 1] = '\0';
349 
350  return( 0 );
351 }
352 
353 int verify_int( char *str, int *value )
354 {
355  size_t i;
356  int minus = 0;
357  int digits = 1;
358  int hex = 0;
359 
360  for( i = 0; i < strlen( str ); i++ )
361  {
362  if( i == 0 && str[i] == '-' )
363  {
364  minus = 1;
365  continue;
366  }
367 
368  if( ( ( minus && i == 2 ) || ( !minus && i == 1 ) ) &&
369  str[i - 1] == '0' && str[i] == 'x' )
370  {
371  hex = 1;
372  continue;
373  }
374 
375  if( ! ( ( str[i] >= '0' && str[i] <= '9' ) ||
376  ( hex && ( ( str[i] >= 'a' && str[i] <= 'f' ) ||
377  ( str[i] >= 'A' && str[i] <= 'F' ) ) ) ) )
378  {
379  digits = 0;
380  break;
381  }
382  }
383 
384  if( digits )
385  {
386  if( hex )
387  *value = strtol( str, NULL, 16 );
388  else
389  *value = strtol( str, NULL, 10 );
390 
391  return( 0 );
392  }
393 
394  if( strcmp( str, "ASN1_SEQUENCE" ) == 0 )
395  {
396  *value = ( ASN1_SEQUENCE );
397  return( 0 );
398  }
399  if( strcmp( str, "POLARSSL_ERR_PKCS5_INVALID_FORMAT + POLARSSL_ERR_ASN1_UNEXPECTED_TAG" ) == 0 )
400  {
402  return( 0 );
403  }
404  if( strcmp( str, "POLARSSL_ERR_PKCS5_INVALID_FORMAT + POLARSSL_ERR_ASN1_LENGTH_MISMATCH" ) == 0 )
405  {
407  return( 0 );
408  }
409  if( strcmp( str, "POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE" ) == 0 )
410  {
412  return( 0 );
413  }
414  if( strcmp( str, "POLARSSL_ERR_PKCS5_INVALID_FORMAT" ) == 0 )
415  {
417  return( 0 );
418  }
419  if( strcmp( str, "POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH" ) == 0 )
420  {
422  return( 0 );
423  }
424  if( strcmp( str, "POLARSSL_MD_SHA1" ) == 0 )
425  {
426  *value = ( POLARSSL_MD_SHA1 );
427  return( 0 );
428  }
429  if( strcmp( str, "POLARSSL_ERR_PKCS5_INVALID_FORMAT + POLARSSL_ERR_ASN1_OUT_OF_DATA" ) == 0 )
430  {
432  return( 0 );
433  }
434  if( strcmp( str, "ASN1_CONSTRUCTED | ASN1_SEQUENCE" ) == 0 )
435  {
436  *value = ( ASN1_CONSTRUCTED | ASN1_SEQUENCE );
437  return( 0 );
438  }
439 
440 
441  printf( "Expected integer for parameter and got: %s\n", str );
442  return( -1 );
443 }
444 
445 void test_suite_pbkdf2_hmac( int hash, char *hex_password_string,
446  char *hex_salt_string, int it_cnt, int key_len,
447  char *result_key_string )
448 {
449  unsigned char pw_str[100];
450  unsigned char salt_str[100];
451  unsigned char dst_str[100];
452 
453  md_context_t ctx;
454  const md_info_t *info;
455 
456  int pw_len, salt_len;
457  unsigned char key[100];
458 
459  md_init( &ctx );
460 
461  memset(pw_str, 0x00, 100);
462  memset(salt_str, 0x00, 100);
463  memset(dst_str, 0x00, 100);
464 
465  pw_len = unhexify( pw_str, hex_password_string );
466  salt_len = unhexify( salt_str, hex_salt_string );
467 
468 
469  info = md_info_from_type( hash );
470  TEST_ASSERT( info != NULL );
471  if( info == NULL )
472  return;
473  TEST_ASSERT( md_init_ctx( &ctx, info ) == 0 );
474  TEST_ASSERT( pkcs5_pbkdf2_hmac( &ctx, pw_str, pw_len, salt_str, salt_len,
475  it_cnt, key_len, key ) == 0 );
476 
477  hexify( dst_str, key, key_len );
478  TEST_ASSERT( strcmp( (char *) dst_str, result_key_string ) == 0 );
479 
480 exit:
481  md_free( &ctx );
482 }
483 
484 void test_suite_pkcs5_pbes2( int params_tag, char *params_hex, char *pw_hex,
485  char *data_hex, int ref_ret, char *ref_out_hex )
486 {
487  int my_ret;
488  asn1_buf params;
489  unsigned char *my_out = NULL, *ref_out = NULL, *data = NULL, *pw = NULL;
490  size_t ref_out_len, data_len, pw_len;
491 
492  params.tag = params_tag;
493  params.p = unhexify_alloc( params_hex, &params.len );
494 
495  data = unhexify_alloc( data_hex, &data_len );
496  pw = unhexify_alloc( pw_hex, &pw_len );
497  ref_out = unhexify_alloc( ref_out_hex, &ref_out_len );
498  my_out = zero_alloc( ref_out_len );
499 
500  my_ret = pkcs5_pbes2( &params, PKCS5_DECRYPT,
501  pw, pw_len, data, data_len, my_out );
502  TEST_ASSERT( my_ret == ref_ret );
503 
504  if( ref_ret == 0 )
505  TEST_ASSERT( memcmp( my_out, ref_out, ref_out_len ) == 0 );
506 
507 exit:
508  polarssl_free( params.p );
509  polarssl_free( data );
510  polarssl_free( pw );
511  polarssl_free( ref_out );
512  polarssl_free( my_out );
513 }
514 
515 
516 #endif /* POLARSSL_PKCS5_C */
517 
518 
519 int dep_check( char *str )
520 {
521  if( str == NULL )
522  return( 1 );
523 
524  if( strcmp( str, "POLARSSL_SHA1_C" ) == 0 )
525  {
526 #if defined(POLARSSL_SHA1_C)
527  return( 0 );
528 #else
529  return( 1 );
530 #endif
531  }
532  if( strcmp( str, "POLARSSL_DES_C" ) == 0 )
533  {
534 #if defined(POLARSSL_DES_C)
535  return( 0 );
536 #else
537  return( 1 );
538 #endif
539  }
540 
541 
542  return( 1 );
543 }
544 
545 int dispatch_test(int cnt, char *params[50])
546 {
547  int ret;
548  ((void) cnt);
549  ((void) params);
550 
551 #if defined(TEST_SUITE_ACTIVE)
552  if( strcmp( params[0], "pbkdf2_hmac" ) == 0 )
553  {
554 
555  int param1;
556  char *param2 = params[2];
557  char *param3 = params[3];
558  int param4;
559  int param5;
560  char *param6 = params[6];
561 
562  if( cnt != 7 )
563  {
564  fprintf( stderr, "\nIncorrect argument count (%d != %d)\n", cnt, 7 );
565  return( 2 );
566  }
567 
568  if( verify_int( params[1], &param1 ) != 0 ) return( 2 );
569  if( verify_string( &param2 ) != 0 ) return( 2 );
570  if( verify_string( &param3 ) != 0 ) return( 2 );
571  if( verify_int( params[4], &param4 ) != 0 ) return( 2 );
572  if( verify_int( params[5], &param5 ) != 0 ) return( 2 );
573  if( verify_string( &param6 ) != 0 ) return( 2 );
574 
575  test_suite_pbkdf2_hmac( param1, param2, param3, param4, param5, param6 );
576  return ( 0 );
577 
578  return ( 3 );
579  }
580  else
581  if( strcmp( params[0], "pkcs5_pbes2" ) == 0 )
582  {
583 
584  int param1;
585  char *param2 = params[2];
586  char *param3 = params[3];
587  char *param4 = params[4];
588  int param5;
589  char *param6 = params[6];
590 
591  if( cnt != 7 )
592  {
593  fprintf( stderr, "\nIncorrect argument count (%d != %d)\n", cnt, 7 );
594  return( 2 );
595  }
596 
597  if( verify_int( params[1], &param1 ) != 0 ) return( 2 );
598  if( verify_string( &param2 ) != 0 ) return( 2 );
599  if( verify_string( &param3 ) != 0 ) return( 2 );
600  if( verify_string( &param4 ) != 0 ) return( 2 );
601  if( verify_int( params[5], &param5 ) != 0 ) return( 2 );
602  if( verify_string( &param6 ) != 0 ) return( 2 );
603 
604  test_suite_pkcs5_pbes2( param1, param2, param3, param4, param5, param6 );
605  return ( 0 );
606 
607  return ( 3 );
608  }
609  else
610 
611  {
612  fprintf( stdout, "FAILED\nSkipping unknown test function '%s'\n", params[0] );
613  fflush( stdout );
614  return( 1 );
615  }
616 #else
617  return( 3 );
618 #endif
619  return( ret );
620 }
621 
622 int get_line( FILE *f, char *buf, size_t len )
623 {
624  char *ret;
625 
626  ret = fgets( buf, len, f );
627  if( ret == NULL )
628  return( -1 );
629 
630  if( strlen( buf ) && buf[strlen(buf) - 1] == '\n' )
631  buf[strlen(buf) - 1] = '\0';
632  if( strlen( buf ) && buf[strlen(buf) - 1] == '\r' )
633  buf[strlen(buf) - 1] = '\0';
634 
635  return( 0 );
636 }
637 
638 int parse_arguments( char *buf, size_t len, char *params[50] )
639 {
640  int cnt = 0, i;
641  char *cur = buf;
642  char *p = buf, *q;
643 
644  params[cnt++] = cur;
645 
646  while( *p != '\0' && p < buf + len )
647  {
648  if( *p == '\\' )
649  {
650  p++;
651  p++;
652  continue;
653  }
654  if( *p == ':' )
655  {
656  if( p + 1 < buf + len )
657  {
658  cur = p + 1;
659  params[cnt++] = cur;
660  }
661  *p = '\0';
662  }
663 
664  p++;
665  }
666 
667  // Replace newlines, question marks and colons in strings
668  for( i = 0; i < cnt; i++ )
669  {
670  p = params[i];
671  q = params[i];
672 
673  while( *p != '\0' )
674  {
675  if( *p == '\\' && *(p + 1) == 'n' )
676  {
677  p += 2;
678  *(q++) = '\n';
679  }
680  else if( *p == '\\' && *(p + 1) == ':' )
681  {
682  p += 2;
683  *(q++) = ':';
684  }
685  else if( *p == '\\' && *(p + 1) == '?' )
686  {
687  p += 2;
688  *(q++) = '?';
689  }
690  else
691  *(q++) = *(p++);
692  }
693  *q = '\0';
694  }
695 
696  return( cnt );
697 }
698 
699 int main()
700 {
701  int ret, i, cnt, total_errors = 0, total_tests = 0, total_skipped = 0;
702  const char *filename = "/tmp/B.dzIg1l/BUILD/polarssl-1.3.9/tests/suites/test_suite_pkcs5.data";
703  FILE *file;
704  char buf[5000];
705  char *params[50];
706 
707 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
708  unsigned char alloc_buf[1000000];
709  memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
710 #endif
711 
712  file = fopen( filename, "r" );
713  if( file == NULL )
714  {
715  fprintf( stderr, "Failed to open\n" );
716  return( 1 );
717  }
718 
719  while( !feof( file ) )
720  {
721  int skip = 0;
722 
723  if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
724  break;
725  fprintf( stdout, "%s%.66s", test_errors ? "\n" : "", buf );
726  fprintf( stdout, " " );
727  for( i = strlen( buf ) + 1; i < 67; i++ )
728  fprintf( stdout, "." );
729  fprintf( stdout, " " );
730  fflush( stdout );
731 
732  total_tests++;
733 
734  if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
735  break;
736  cnt = parse_arguments( buf, strlen(buf), params );
737 
738  if( strcmp( params[0], "depends_on" ) == 0 )
739  {
740  for( i = 1; i < cnt; i++ )
741  if( dep_check( params[i] ) != 0 )
742  skip = 1;
743 
744  if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
745  break;
746  cnt = parse_arguments( buf, strlen(buf), params );
747  }
748 
749  if( skip == 0 )
750  {
751  test_errors = 0;
752  ret = dispatch_test( cnt, params );
753  }
754 
755  if( skip == 1 || ret == 3 )
756  {
757  total_skipped++;
758  fprintf( stdout, "----\n" );
759  fflush( stdout );
760  }
761  else if( ret == 0 && test_errors == 0 )
762  {
763  fprintf( stdout, "PASS\n" );
764  fflush( stdout );
765  }
766  else if( ret == 2 )
767  {
768  fprintf( stderr, "FAILED: FATAL PARSE ERROR\n" );
769  fclose(file);
770  exit( 2 );
771  }
772  else
773  total_errors++;
774 
775  if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
776  break;
777  if( strlen(buf) != 0 )
778  {
779  fprintf( stderr, "Should be empty %d\n", (int) strlen(buf) );
780  return( 1 );
781  }
782  }
783  fclose(file);
784 
785  fprintf( stdout, "\n----------------------------------------------------------------------------\n\n");
786  if( total_errors == 0 )
787  fprintf( stdout, "PASSED" );
788  else
789  fprintf( stdout, "FAILED" );
790 
791  fprintf( stdout, " (%d / %d tests (%d skipped))\n",
792  total_tests - total_errors, total_tests, total_skipped );
793 
794 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
795 #if defined(POLARSSL_MEMORY_DEBUG)
796  memory_buffer_alloc_status();
797 #endif
799 #endif
800 
801  return( total_errors != 0 );
802 }
803 
804 
#define POLARSSL_ERR_PKCS5_INVALID_FORMAT
Unexpected ASN.1 data.
Definition: pkcs5.h:45
Memory allocation layer (Deprecated to platform layer)
PKCS#5 functions.
Info structure for the pseudo random function.
#define POLARSSL_ERR_ASN1_LENGTH_MISMATCH
Actual length differs from expected length.
Definition: asn1.h:57
void md_init(md_context_t *ctx)
Initialize a md_context (as NONE)
void memory_buffer_alloc_free(void)
Free the mutex for thread-safety and clear remaining memory.
int dep_check(char *str)
int md_init_ctx(md_context_t *ctx, const md_info_t *md_info)
Initialises and fills the message digest context structure with the appropriate values.
#define POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE
Requested encryption or digest alg not available.
Definition: pkcs5.h:46
#define ASN1_SEQUENCE
Definition: asn1.h:82
static int rnd_zero_rand(void *rng_state, unsigned char *output, size_t len)
This function only returns zeros.
Configuration options (set of defines)
static int test_errors
#define ASN1_CONSTRUCTED
Definition: asn1.h:92
static int rnd_pseudo_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a pseudo random function.
PolarSSL Platform abstraction layer.
static int test_assert(int correct, const char *test)
int pkcs5_pbkdf2_hmac(md_context_t *ctx, const unsigned char *password, size_t plen, const unsigned char *salt, size_t slen, unsigned int iteration_count, uint32_t key_length, unsigned char *output)
PKCS#5 PBKDF2 using HMAC.
static int unhexify(unsigned char *obuf, const char *ibuf)
int parse_arguments(char *buf, size_t len, char *params[50])
#define PUT_UINT32_BE(n, b, i)
int memory_buffer_alloc_init(unsigned char *buf, size_t len)
Initialize use of stack-based memory allocator.
#define TEST_ASSERT(TEST)
#define POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH
Given private key password does not allow for correct decryption.
Definition: pkcs5.h:47
int get_line(FILE *f, char *buf, size_t len)
const md_info_t * md_info_from_type(md_type_t md_type)
Returns the message digest information associated with the given digest type.
void md_free(md_context_t *ctx)
Free and clear the message-specific context of ctx.
int pkcs5_pbes2(asn1_buf *pbe_params, int mode, const unsigned char *pwd, size_t pwdlen, const unsigned char *data, size_t datalen, unsigned char *output)
PKCS#5 PBES2 function.
unsigned char * p
ASN1 data, e.g.
Definition: asn1.h:128
int dispatch_test(int cnt, char *params[50])
#define polarssl_free
int main()
static unsigned char * zero_alloc(size_t len)
Allocate and zeroize a buffer.
int tag
ASN1 type, e.g.
Definition: asn1.h:126
#define POLARSSL_ERR_ASN1_OUT_OF_DATA
Out of data when parsing an ASN1 data structure.
Definition: asn1.h:54
static void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
Type-length-value structure that allows for ASN1 using DER.
Definition: asn1.h:124
static int rnd_buffer_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a buffer it receives.
size_t len
ASN1 length, e.g.
Definition: asn1.h:127
int verify_string(char **str)
#define PKCS5_DECRYPT
Definition: pkcs5.h:49
unsigned char * buf
#define polarssl_malloc
int verify_int(char *str, int *value)
static int rnd_std_rand(void *rng_state, unsigned char *output, size_t len)
This function just returns data from rand().
Message digest information.
Definition: md.h:74
static unsigned char * unhexify_alloc(const char *ibuf, size_t *olen)
Allocate and fill a buffer from hex data.
#define POLARSSL_ERR_ASN1_UNEXPECTED_TAG
ASN1 tag was of an unexpected value.
Definition: asn1.h:55
Generic message digest context.
Definition: md.h:132