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Refactor key derivation setup in tests

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This commit is contained in:
Janos Follath 2019-07-03 12:41:36 +01:00
parent e7e4706230
commit f2815eaec6
1 changed files with 63 additions and 73 deletions
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136
tests/suites/test_suite_psa_crypto.function
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@ -517,57 +517,76 @@ exit:
return( 0 );
}
static int setup_key_derivation_wrap( psa_key_derivation_operation_t* operation,
psa_key_handle_t handle,
psa_algorithm_t alg,
unsigned char* input1, size_t input1_length,
unsigned char* input2, size_t input2_length,
size_t capacity )
{
PSA_ASSERT( psa_key_derivation_setup( operation, alg ) );
if( PSA_ALG_IS_HKDF( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
PSA_KEY_DERIVATION_INPUT_SALT,
input1, input1_length ) );
PSA_ASSERT( psa_key_derivation_input_key( operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
PSA_KEY_DERIVATION_INPUT_INFO,
input2,
input2_length ) );
}
else if( PSA_ALG_IS_TLS12_PRF( alg ) ||
PSA_ALG_IS_TLS12_PSK_TO_MS( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
PSA_KEY_DERIVATION_INPUT_SEED,
input1, input1_length ) );
PSA_ASSERT( psa_key_derivation_input_key( operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
PSA_KEY_DERIVATION_INPUT_LABEL,
input2, input2_length ) );
}
else
{
TEST_ASSERT( ! "Key derivation algorithm not supported" );
}
PSA_ASSERT( psa_key_derivation_set_capacity( operation, capacity ) );
return( 1 );
exit:
return( 0 );
}
static int exercise_key_derivation_key( psa_key_handle_t handle,
psa_key_usage_t usage,
psa_algorithm_t alg )
{
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
unsigned char label[16] = "This is a label.";
size_t label_length = sizeof( label );
unsigned char seed[16] = "abcdefghijklmnop";
size_t seed_length = sizeof( seed );
unsigned char input1[] = "Input 1";
size_t input1_length = sizeof( input1 );
unsigned char input2[] = "Input 2";
size_t input2_length = sizeof( input2 );
unsigned char output[1];
size_t capacity = sizeof( output );
if( usage & PSA_KEY_USAGE_DERIVE )
{
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
if( PSA_ALG_IS_HKDF( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_SALT,
label,
label_length ) );
PSA_ASSERT( psa_key_derivation_input_key( &operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_INFO,
seed,
seed_length ) );
}
else if( PSA_ALG_IS_TLS12_PRF( alg ) ||
PSA_ALG_IS_TLS12_PSK_TO_MS( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_SEED,
seed,
seed_length ) );
PSA_ASSERT( psa_key_derivation_input_key( &operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_LABEL,
label,
label_length ) );
}
else
{
TEST_ASSERT( ! "Key derivation algorithm not supported" );
}
if( !setup_key_derivation_wrap( &operation, handle, alg,
input1, input1_length,
input2, input2_length, capacity ) )
goto exit;
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
output,
sizeof( output ) ) );
capacity ) );
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
}
@ -4362,40 +4381,11 @@ void derive_full( int alg_arg,
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
&handle ) );
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
PSA_ASSERT( psa_key_derivation_set_capacity( &operation,
requested_capacity ) );
/* Extraction phase. */
if( PSA_ALG_IS_HKDF( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_SALT,
input1->x, input1->len ) );
PSA_ASSERT( psa_key_derivation_input_key( &operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_INFO,
input2->x, input2->len ) );
}
else if( PSA_ALG_IS_TLS12_PRF( alg ) ||
PSA_ALG_IS_TLS12_PSK_TO_MS( alg ) )
{
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_SEED,
input1->x, input1->len ) );
PSA_ASSERT( psa_key_derivation_input_key( &operation,
PSA_KEY_DERIVATION_INPUT_SECRET,
handle ) );
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
PSA_KEY_DERIVATION_INPUT_LABEL,
input2->x, input2->len ) );
}
else
{
TEST_ASSERT( ! "Key derivation algorithm not supported" );
}
if( !setup_key_derivation_wrap( &operation, handle, alg,
input1->x, input1->len,
input2->x, input2->len,
requested_capacity ) )
goto exit;
PSA_ASSERT( psa_key_derivation_get_capacity( &operation,
&current_capacity ) );