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Add init tests with entropy from NV seed

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This commit is contained in:
Gilles Peskine 2018-11-20 23:21:01 +01:00
parent 0b3b5733fc
commit 0fce4c5830
2 changed files with 44 additions and 0 deletions
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9
tests/suites/test_suite_psa_crypto_init.data
View File

@ -39,3 +39,12 @@ fake_entropy_source:MBEDTLS_ENTROPY_BLOCK_SIZE:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:1:
Fake entropy: more than one block in two steps Fake entropy: more than one block in two steps
fake_entropy_source:MBEDTLS_ENTROPY_BLOCK_SIZE:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:-1:-1:PSA_SUCCESS fake_entropy_source:MBEDTLS_ENTROPY_BLOCK_SIZE:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:-1:-1:PSA_SUCCESS
NV seed only: less than minimum
entropy_from_nv_seed:MBEDTLS_ENTROPY_MIN_PLATFORM - 1:PSA_ERROR_INSUFFICIENT_ENTROPY
NV seed only: less than one block
entropy_from_nv_seed:MBEDTLS_ENTROPY_BLOCK_SIZE - 1:PSA_ERROR_INSUFFICIENT_ENTROPY
NV seed only: just enough
entropy_from_nv_seed:ENTROPY_MIN_NV_SEED_SIZE:PSA_SUCCESS

35
tests/suites/test_suite_psa_crypto_init.function
View File

@ -11,8 +11,13 @@
#include "mbedtls/entropy.h" #include "mbedtls/entropy.h"
#include "mbedtls/entropy_poll.h" #include "mbedtls/entropy_poll.h"
#include "mbedtls/platform.h"
#define MIN( x, y ) ( ( x ) < ( y ) ? ( x ) : ( y ) ) #define MIN( x, y ) ( ( x ) < ( y ) ? ( x ) : ( y ) )
#define MAX( x, y ) ( ( x ) > ( y ) ? ( x ) : ( y ) )
#define ENTROPY_MIN_NV_SEED_SIZE \
MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)
typedef struct typedef struct
{ {
@ -249,3 +254,33 @@ exit:
mbedtls_psa_crypto_free( ); mbedtls_psa_crypto_free( );
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_ENTROPY_NV_SEED */
void entropy_from_nv_seed( int seed_size_arg,
int expected_init_status_arg )
{
psa_status_t expected_init_status = expected_init_status_arg;
uint8_t random[10] = { 0 };
uint8_t *seed = NULL;
size_t seed_size = seed_size_arg;
ASSERT_ALLOC( seed, seed_size );
TEST_ASSERT( mbedtls_nv_seed_write( seed, seed_size ) >= 0 );
custom_entropy_sources_mask = ENTROPY_SOURCE_NV_SEED;
TEST_ASSERT( mbedtls_psa_crypto_configure_entropy_sources(
custom_entropy_init, mbedtls_entropy_free ) ==
PSA_SUCCESS );
TEST_ASSERT( psa_crypto_init( ) == expected_init_status );
if( expected_init_status != PSA_SUCCESS )
goto exit;
TEST_ASSERT( psa_generate_random( random, sizeof( random ) ) ==
PSA_SUCCESS );
exit:
mbedtls_free( seed );
mbedtls_psa_crypto_free( );
}
/* END_CASE */