mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-30 12:24:22 +01:00
1153e7bd57
Replace all calls to mbedtls_psa_crypto_free in tests by PSA_DONE. This is correct for most tests, because most tests close open keys. A few tests now fail; these tests need to be reviewed and switched back to mbedtls_psa_crypto_free if they genuinely expected to end with some slots still in use.
117 lines
3.4 KiB
Plaintext
117 lines
3.4 KiB
Plaintext
/* BEGIN_HEADER */
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#include <stdint.h>
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#include "mbedtls/entropy.h"
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#include "mbedtls/entropy_poll.h"
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#include "psa_helpers.function"
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#if defined(MBEDTLS_PSA_ITS_FILE_C)
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#include <stdio.h>
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#else
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#include <psa/internal_trusted_storage.h>
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#endif
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/* Calculating the minimum allowed entropy size in bytes */
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#define MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)
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/* Remove the entropy seed file. Since the library does not expose a way
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* to do this (it would be a security risk if such a function was ever
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* accessible in production), implement this functionality in a white-box
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* manner. */
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psa_status_t remove_seed_file( void )
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{
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#if defined(MBEDTLS_PSA_ITS_FILE_C)
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if( remove( "00000000ffffff52.psa_its" ) == 0 )
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return( PSA_SUCCESS );
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else
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return( PSA_ERROR_DOES_NOT_EXIST );
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#else
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return( psa_its_remove( PSA_CRYPTO_ITS_RANDOM_SEED_UID ) );
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#endif
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}
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_PSA_INJECT_ENTROPY
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void validate_entropy_seed_injection( int seed_length_a,
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int expected_status_a,
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int seed_length_b,
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int expected_status_b )
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{
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psa_status_t status;
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uint8_t output[32] = { 0 };
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uint8_t zeros[32] = { 0 };
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uint8_t *seed = NULL;
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int i;
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int seed_size;
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if( seed_length_a > seed_length_b )
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{
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seed_size = seed_length_a;
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}
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else
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{
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seed_size = seed_length_b;
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}
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ASSERT_ALLOC( seed, seed_size );
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/* fill seed with some data */
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for( i = 0; i < seed_size; ++i )
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{
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seed[i] = i;
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}
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status = remove_seed_file( );
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TEST_ASSERT( ( status == PSA_SUCCESS ) ||
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( status == PSA_ERROR_DOES_NOT_EXIST ) );
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status = mbedtls_psa_inject_entropy( seed, seed_length_a );
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TEST_EQUAL( status, expected_status_a );
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status = mbedtls_psa_inject_entropy( seed, seed_length_b );
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TEST_EQUAL( status, expected_status_b );
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PSA_ASSERT( psa_crypto_init( ) );
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PSA_ASSERT( psa_generate_random( output,
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sizeof( output ) ) );
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TEST_ASSERT( memcmp( output, zeros, sizeof( output ) ) != 0 );
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exit:
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mbedtls_free( seed );
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remove_seed_file( );
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PSA_DONE( );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void run_entropy_inject_with_crypto_init( )
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{
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psa_status_t status;
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size_t i;
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uint8_t seed[MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE] = { 0 };
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/* fill seed with some data */
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for( i = 0; i < sizeof( seed ); ++i )
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{
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seed[i] = i;
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}
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status = remove_seed_file( );
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TEST_ASSERT( ( status == PSA_SUCCESS ) ||
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( status == PSA_ERROR_DOES_NOT_EXIST ) );
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status = mbedtls_psa_inject_entropy( seed, sizeof( seed ) );
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PSA_ASSERT( status );
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status = remove_seed_file( );
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TEST_EQUAL( status, PSA_SUCCESS );
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status = psa_crypto_init( );
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TEST_EQUAL( status, PSA_ERROR_INSUFFICIENT_ENTROPY );
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status = mbedtls_psa_inject_entropy( seed, sizeof( seed ) );
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PSA_ASSERT( status );
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status = psa_crypto_init( );
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PSA_ASSERT( status );
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PSA_DONE( );
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/* The seed is written by nv_seed callback functions therefore the injection will fail */
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status = mbedtls_psa_inject_entropy( seed, sizeof( seed ) );
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TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
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exit:
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remove_seed_file( );
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PSA_DONE( );
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}
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/* END_CASE */
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