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Add test for ctr_drbg_update() input sanitizing

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Manuel Pégourié-Gonnard 2014-11-27 14:04:56 +01:00 committed by Paul Bakker
parent d9e2dd2bb0
commit f5f25b3a0d
1 changed files with 4 additions and 0 deletions
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4
tests/suites/test_suite_ctr_drbg.function
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@ -141,6 +141,10 @@ void ctr_drbg_entropy_usage( )
} }
TEST_ASSERT( last_idx == test_offset_idx ); TEST_ASSERT( last_idx == test_offset_idx );
/* Call update with too much data (sizeof entropy > MAX(_SEED)_INPUT)
* (just make sure it doesn't cause memory corruption) */
ctr_drbg_update( &ctx, entropy, sizeof( entropy ) );
/* Now enable PR, so the next few calls should all reseed */ /* Now enable PR, so the next few calls should all reseed */
ctr_drbg_set_prediction_resistance( &ctx, CTR_DRBG_PR_ON ); ctr_drbg_set_prediction_resistance( &ctx, CTR_DRBG_PR_ON );
TEST_ASSERT( ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); TEST_ASSERT( ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 );