84 lines
2.8 KiB
Plaintext
84 lines
2.8 KiB
Plaintext
/* BEGIN_HEADER */
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#include <polarssl/ctr_drbg.h>
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int test_offset_idx;
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int entropy_func( void *data, unsigned char *buf, size_t len )
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{
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unsigned char *p = (unsigned char *) data;
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memcpy( buf, p + test_offset_idx, len );
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test_offset_idx += 32;
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return( 0 );
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}
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_CTR_DRBG_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void ctr_drbg_validate_pr( char *add_init_string, char *entropy_string,
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char *add1_string, char *add2_string,
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char *result_str )
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{
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unsigned char entropy[512];
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unsigned char add_init[512];
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unsigned char add1[512];
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unsigned char add2[512];
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ctr_drbg_context ctx;
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unsigned char buf[512];
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unsigned char output_str[512];
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int add_init_len, add1_len, add2_len;
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memset( output_str, 0, 512 );
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unhexify( entropy, entropy_string );
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add_init_len = unhexify( add_init, add_init_string );
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add1_len = unhexify( add1, add1_string );
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add2_len = unhexify( add2, add2_string );
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test_offset_idx = 0;
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TEST_ASSERT( ctr_drbg_init_entropy_len( &ctx, entropy_func, entropy, add_init, add_init_len, 32 ) == 0 );
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ctr_drbg_set_prediction_resistance( &ctx, CTR_DRBG_PR_ON );
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TEST_ASSERT( ctr_drbg_random_with_add( &ctx, buf, 16, add1, add1_len ) == 0 );
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TEST_ASSERT( ctr_drbg_random_with_add( &ctx, buf, 16, add2, add2_len ) == 0 );
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hexify( output_str, buf, 16 );
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TEST_ASSERT( strcmp( (char *) output_str, result_str ) == 0 );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void ctr_drbg_validate_nopr( char *add_init_string, char *entropy_string,
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char *add1_string, char *add_reseed_string,
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char *add2_string, char *result_str )
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{
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unsigned char entropy[512];
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unsigned char add_init[512];
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unsigned char add1[512];
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unsigned char add_reseed[512];
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unsigned char add2[512];
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ctr_drbg_context ctx;
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unsigned char buf[512];
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unsigned char output_str[512];
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int add_init_len, add1_len, add_reseed_len, add2_len;
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memset( output_str, 0, 512 );
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unhexify( entropy, entropy_string );
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add_init_len = unhexify( add_init, add_init_string );
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add1_len = unhexify( add1, add1_string );
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add_reseed_len = unhexify( add_reseed, add_reseed_string );
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add2_len = unhexify( add2, add2_string );
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test_offset_idx = 0;
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TEST_ASSERT( ctr_drbg_init_entropy_len( &ctx, entropy_func, entropy, add_init, add_init_len, 32 ) == 0 );
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TEST_ASSERT( ctr_drbg_random_with_add( &ctx, buf, 16, add1, add1_len ) == 0 );
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TEST_ASSERT( ctr_drbg_reseed( &ctx, add_reseed, add_reseed_len ) == 0 );
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TEST_ASSERT( ctr_drbg_random_with_add( &ctx, buf, 16, add2, add2_len ) == 0 );
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hexify( output_str, buf, 16 );
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TEST_ASSERT( strcmp( (char *) output_str, result_str ) == 0 );
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}
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/* END_CASE */
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