85 lines
2.7 KiB
Text
85 lines
2.7 KiB
Text
BEGIN_HEADER
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#include <polarssl/ctr_drbg.h>
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int test_offset;
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int entropy_func( void *p, unsigned char *buf, size_t len )
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{
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memcpy( buf, p + test_offset, len );
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test_offset += 32;
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return( 0 );
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}
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int ctr_drbg_init_entropy_len(
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ctr_drbg_context *ctx,
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int (*f_entropy)(void *, unsigned char *, size_t),
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void *p_entropy,
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const unsigned char *custom,
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size_t len,
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size_t entropy_len );
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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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BEGIN_CASE
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ctr_drbg_validate_pr:add_init_string:entropy_string:add1_string:add2_string: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 = 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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ctr_drbg_validate_nopr:add_init_string:entropy_string:add1_string:add_reseed_string:add2_string: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 = 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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