3 #ifdef POLARSSL_CTR_DRBG_C
8 int entropy_func(
void *data,
unsigned char *buf,
size_t len )
10 unsigned char *p = (
unsigned char *) data;
11 memcpy( buf, p + test_offset, len );
18 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
22 #if defined(WANT_NOT_RND_MPI)
23 #if defined(POLARSSL_BIGNUM_C)
26 #error "not_rnd_mpi() need bignum.c"
32 typedef UINT32 uint32_t;
45 #define GET_UINT32_BE(n,b,i) \
47 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
48 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
49 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
50 | ( (uint32_t) (b)[(i) + 3] ); \
55 #define PUT_UINT32_BE(n,b,i) \
57 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
58 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
59 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
60 (b)[(i) + 3] = (unsigned char) ( (n) ); \
64 static int unhexify(
unsigned char *obuf,
const char *ibuf)
67 int len = strlen(ibuf) / 2;
68 assert(!(strlen(ibuf) %1));
73 if( c >=
'0' && c <=
'9' )
75 else if( c >=
'a' && c <=
'f' )
77 else if( c >=
'A' && c <=
'F' )
83 if( c2 >=
'0' && c2 <=
'9' )
85 else if( c2 >=
'a' && c2 <=
'f' )
87 else if( c2 >=
'A' && c2 <=
'F' )
92 *obuf++ = ( c << 4 ) | c2;
98 static void hexify(
unsigned char *obuf,
const unsigned char *ibuf,
int len)
110 *obuf++ =
'a' + h - 10;
115 *obuf++ =
'a' + l - 10;
131 static int rnd_std_rand(
void *rng_state,
unsigned char *output,
size_t len )
135 if( rng_state != NULL )
138 for( i = 0; i < len; ++i )
149 static int rnd_zero_rand(
void *rng_state,
unsigned char *output,
size_t len )
151 if( rng_state != NULL )
154 memset( output, 0, len );
181 if( rng_state == NULL )
190 memcpy( output, info->
buf, use_len );
191 info->
buf += use_len;
195 if( len - use_len > 0 )
196 return(
rnd_std_rand( NULL, output + use_len, len - use_len ) );
225 uint32_t i, *k, sum, delta=0x9E3779B9;
226 unsigned char result[4];
228 if( rng_state == NULL )
235 size_t use_len = ( len > 4 ) ? 4 : len;
238 for( i = 0; i < 32; i++ )
240 info->
v0 += (((info->
v1 << 4) ^ (info->
v1 >> 5)) + info->
v1) ^ (sum + k[sum & 3]);
242 info->
v1 += (((info->
v0 << 4) ^ (info->
v0 >> 5)) + info->
v0) ^ (sum + k[(sum>>11) & 3]);
246 memcpy( output, result, use_len );
253 #if defined(WANT_NOT_RND_MPI)
262 #define ciL (sizeof(t_uint))
263 #define CHARS_TO_LIMBS(i) (((i) + ciL - 1) / ciL)
264 static int not_rnd_mpi(
void *in,
unsigned char *out,
size_t len )
266 char *str = (
char *) in;
275 X.
n = CHARS_TO_LIMBS( len );
281 assert( strlen( str ) / 2 == len );
293 #ifdef POLARSSL_CTR_DRBG_C
295 #define TEST_SUITE_ACTIVE
303 if( test_errors == 1 )
304 printf(
"FAILED\n" );
305 printf(
" %s\n", test );
310 #define TEST_ASSERT( TEST ) \
311 do { test_assert( (TEST) ? 1 : 0, #TEST ); \
312 if( test_errors) return; \
317 if( (*str)[0] !=
'"' ||
318 (*str)[strlen( *str ) - 1] !=
'"' )
320 printf(
"Expected string (with \"\") for parameter and got: %s\n", *str );
325 (*str)[strlen( *str ) - 1] =
'\0';
337 for( i = 0; i < strlen( str ); i++ )
339 if( i == 0 && str[i] ==
'-' )
345 if( ( ( minus && i == 2 ) || ( !minus && i == 1 ) ) &&
346 str[i - 1] ==
'0' && str[i] ==
'x' )
352 if( str[i] <
'0' || str[i] >
'9' )
362 *value = strtol( str, NULL, 16 );
364 *value = strtol( str, NULL, 10 );
371 printf(
"Expected integer for parameter and got: %s\n", str );
375 void test_suite_ctr_drbg_validate_pr(
char *add_init_string,
char *entropy_string,
376 char *add1_string,
char *add2_string,
379 unsigned char entropy[512];
380 unsigned char add_init[512];
381 unsigned char add1[512];
382 unsigned char add2[512];
384 unsigned char buf[512];
385 unsigned char output_str[512];
386 int add_init_len, add1_len, add2_len;
388 memset( output_str, 0, 512 );
390 unhexify( entropy, entropy_string );
391 add_init_len =
unhexify( add_init, add_init_string );
392 add1_len =
unhexify( add1, add1_string );
393 add2_len =
unhexify( add2, add2_string );
401 hexify( output_str, buf, 16 );
402 TEST_ASSERT( strcmp( (
char *) output_str, result_str ) == 0 );
405 void test_suite_ctr_drbg_validate_nopr(
char *add_init_string,
char *entropy_string,
406 char *add1_string,
char *add_reseed_string,
407 char *add2_string,
char *result_str )
409 unsigned char entropy[512];
410 unsigned char add_init[512];
411 unsigned char add1[512];
412 unsigned char add_reseed[512];
413 unsigned char add2[512];
415 unsigned char buf[512];
416 unsigned char output_str[512];
417 int add_init_len, add1_len, add_reseed_len, add2_len;
419 memset( output_str, 0, 512 );
421 unhexify( entropy, entropy_string );
422 add_init_len =
unhexify( add_init, add_init_string );
423 add1_len =
unhexify( add1, add1_string );
424 add_reseed_len =
unhexify( add_reseed, add_reseed_string );
425 add2_len =
unhexify( add2, add2_string );
433 hexify( output_str, buf, 16 );
434 TEST_ASSERT( strcmp( (
char *) output_str, result_str ) == 0 );
457 #if defined(TEST_SUITE_ACTIVE)
458 if( strcmp( params[0],
"ctr_drbg_validate_pr" ) == 0 )
461 char *param1 = params[1];
462 char *param2 = params[2];
463 char *param3 = params[3];
464 char *param4 = params[4];
465 char *param5 = params[5];
469 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 6 );
479 test_suite_ctr_drbg_validate_pr( param1, param2, param3, param4, param5 );
485 if( strcmp( params[0],
"ctr_drbg_validate_nopr" ) == 0 )
488 char *param1 = params[1];
489 char *param2 = params[2];
490 char *param3 = params[3];
491 char *param4 = params[4];
492 char *param5 = params[5];
493 char *param6 = params[6];
497 fprintf( stderr,
"\nIncorrect argument count (%d != %d)\n", cnt, 7 );
508 test_suite_ctr_drbg_validate_nopr( param1, param2, param3, param4, param5, param6 );
516 fprintf( stdout,
"FAILED\nSkipping unknown test function '%s'\n", params[0] );
530 ret = fgets( buf, len, f );
534 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\n' )
535 buf[strlen(buf) - 1] =
'\0';
536 if( strlen( buf ) && buf[strlen(buf) - 1] ==
'\r' )
537 buf[strlen(buf) - 1] =
'\0';
550 while( *p !=
'\0' && p < buf + len )
560 if( p + 1 < buf + len )
572 for( i = 0; i < cnt; i++ )
579 if( *p ==
'\\' && *(p + 1) ==
'n' )
584 else if( *p ==
'\\' && *(p + 1) ==
':' )
589 else if( *p ==
'\\' && *(p + 1) ==
'?' )
605 int ret, i, cnt, total_errors = 0, total_tests = 0, total_skipped = 0;
606 const char *filename =
"/tmp/B.6b9404fc-5e27-486e-9bbd-77463d7343ee/BUILD/polarssl-1.3.2/tests/suites/test_suite_ctr_drbg.data";
611 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
612 unsigned char alloc_buf[1000000];
613 memory_buffer_alloc_init( alloc_buf,
sizeof(alloc_buf) );
616 file = fopen( filename,
"r" );
619 fprintf( stderr,
"Failed to open\n" );
623 while( !feof( file ) )
627 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
629 fprintf( stdout,
"%s%.66s", test_errors ?
"\n" :
"", buf );
630 fprintf( stdout,
" " );
631 for( i = strlen( buf ) + 1; i < 67; i++ )
632 fprintf( stdout,
"." );
633 fprintf( stdout,
" " );
638 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
642 if( strcmp( params[0],
"depends_on" ) == 0 )
644 for( i = 1; i < cnt; i++ )
648 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
659 if( skip == 1 || ret == 3 )
662 fprintf( stdout,
"----\n" );
665 else if( ret == 0 && test_errors == 0 )
667 fprintf( stdout,
"PASS\n" );
672 fprintf( stderr,
"FAILED: FATAL PARSE ERROR\n" );
679 if( ( ret =
get_line( file, buf,
sizeof(buf) ) ) != 0 )
681 if( strlen(buf) != 0 )
683 fprintf( stderr,
"Should be empty %d\n", (
int) strlen(buf) );
689 fprintf( stdout,
"\n----------------------------------------------------------------------------\n\n");
690 if( total_errors == 0 )
691 fprintf( stdout,
"PASSED" );
693 fprintf( stdout,
"FAILED" );
695 fprintf( stdout,
" (%d / %d tests (%d skipped))\n",
696 total_tests - total_errors, total_tests, total_skipped );
698 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
699 #if defined(POLARSSL_MEMORY_DEBUG)
700 memory_buffer_alloc_status();
702 memory_buffer_alloc_free();
705 return( total_errors != 0 );
void ctr_drbg_set_prediction_resistance(ctr_drbg_context *ctx, int resistance)
Enable / disable prediction resistance (Default: Off)
#define CTR_DRBG_PR_ON
Prediction resistance enabled.
static int rnd_zero_rand(void *rng_state, unsigned char *output, size_t len)
This function only returns zeros.
Info structure for the pseudo random function.
Configuration options (set of defines)
static int rnd_std_rand(void *rng_state, unsigned char *output, size_t len)
This function just returns data from rand().
int ctr_drbg_init_entropy_len(ctr_drbg_context *, int(*)(void *, unsigned char *, size_t), void *, const unsigned char *, size_t, size_t)
static int test_assert(int correct, char *test)
int main(int argc, char *argv[])
Multi-precision integer library.
#define TEST_ASSERT(TEST)
int ctr_drbg_random_with_add(void *p_rng, unsigned char *output, size_t output_len, const unsigned char *additional, size_t add_len)
CTR_DRBG generate random with additional update input.
static void hexify(unsigned char *obuf, const unsigned char *ibuf, int len)
int ctr_drbg_reseed(ctr_drbg_context *ctx, const unsigned char *additional, size_t len)
CTR_DRBG reseeding (extracts data from entropy source)
int parse_arguments(char *buf, size_t len, char *params[50])
CTR_DRBG context structure.
int mpi_read_string(mpi *X, int radix, const char *s)
Import from an ASCII string.
int verify_string(char **str)
int dispatch_test(int cnt, char *params[50])
static int rnd_buffer_rand(void *rng_state, unsigned char *output, size_t len)
This function returns random based on a buffer it receives.
static int unhexify(unsigned char *obuf, const char *ibuf)
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 entropy_func(void *data, unsigned char *output, size_t len)
Retrieve entropy from the accumulator (Max ENTROPY_BLOCK_SIZE) (Thread-safe if POLARSSL_THREADING_C i...
#define PUT_UINT32_BE(n, b, i)
int get_line(FILE *f, char *buf, size_t len)
CTR_DRBG based on AES-256 (NIST SP 800-90)