/* BEGIN_HEADER */
#include "psa/crypto.h"

#include "mbedtls/md.h"
/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:MBEDTLS_PSA_CRYPTO_C
 * END_DEPENDENCIES
 */

/* BEGIN_CASE */
void init_deinit()
{
    psa_status_t status;
    int i;
    for( i = 0; i <= 1; i++ )
    {
        status = psa_crypto_init( );
        TEST_ASSERT( status == PSA_SUCCESS );
        status = psa_crypto_init( );
        TEST_ASSERT( status == PSA_SUCCESS );
        mbedtls_psa_crypto_free( );
    }
}
/* END_CASE */

/* BEGIN_CASE */
void import( char *hex, int type, int expected_status )
{
    int slot = 1;
    psa_status_t status;
    unsigned char *data = NULL;
    size_t data_size;

    data_size = strlen( hex ) / 2;
    data = mbedtls_calloc( 1, data_size );
    TEST_ASSERT( data != NULL );
    data_size = unhexify( data, hex );
    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    status = psa_import_key( slot, type, data, data_size );
    TEST_ASSERT( status == (psa_status_t) expected_status );
    if( status == PSA_SUCCESS )
        TEST_ASSERT( psa_destroy_key( slot ) == PSA_SUCCESS );

exit:
    mbedtls_free( data );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void import_export( char *hex, int type_arg,
                    int expected_bits,
                    int export_size_delta,
                    int expected_export_status,
                    int canonical_input )
{
    int slot = 1;
    int slot2 = slot + 1;
    psa_key_type_t type = type_arg;
    psa_status_t status;
    unsigned char *data = NULL;
    unsigned char *exported = NULL;
    unsigned char *reexported = NULL;
    size_t data_size;
    size_t export_size;
    size_t exported_length;
    size_t reexported_length;
    psa_key_type_t got_type;
    size_t got_bits;

    data_size = strlen( hex ) / 2;
    data = mbedtls_calloc( 1, data_size );
    TEST_ASSERT( data != NULL );
    data_size = unhexify( data, hex );
    export_size = (ssize_t) data_size + export_size_delta;
    exported = mbedtls_calloc( 1, export_size );
    TEST_ASSERT( exported != NULL );
    if( ! canonical_input )
    {
        reexported = mbedtls_calloc( 1, export_size );
        TEST_ASSERT( reexported != NULL );
    }
    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    /* Import the key */
    TEST_ASSERT( psa_import_key( slot, type,
                                 data, data_size ) == PSA_SUCCESS );

    /* Test the key information */
    TEST_ASSERT( psa_get_key_information( slot,
                                          &got_type, &got_bits ) ==
                 PSA_SUCCESS );
    TEST_ASSERT( got_type == type );
    TEST_ASSERT( got_bits == (size_t) expected_bits );

    /* Export the key */
    status = psa_export_key( slot,
                             exported, export_size,
                             &exported_length );
    TEST_ASSERT( status == (psa_status_t) expected_export_status );
    if( status != PSA_SUCCESS )
        goto destroy;

    if( canonical_input )
    {
        TEST_ASSERT( exported_length == data_size );
        TEST_ASSERT( memcmp( exported, data, data_size ) == 0 );
    }
    else
    {
        TEST_ASSERT( psa_import_key( slot2, type,
                                     exported, export_size ) ==
                     PSA_SUCCESS );
        TEST_ASSERT( psa_export_key( slot2,
                                     reexported, export_size,
                                     &reexported_length ) ==
                     PSA_SUCCESS );
        TEST_ASSERT( reexported_length == exported_length );
        TEST_ASSERT( memcmp( reexported, exported,
                             exported_length ) == 0 );
    }

destroy:
    /* Destroy the key */
    TEST_ASSERT( psa_destroy_key( slot ) == PSA_SUCCESS );
    TEST_ASSERT( psa_get_key_information(
                     slot, NULL, NULL ) == PSA_ERROR_EMPTY_SLOT );

exit:
    mbedtls_free( data );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void hash_finish( int alg_arg, char *input_hex, char *hash_hex )
{
    psa_algorithm_t alg = alg_arg;
    unsigned char *input = NULL;
    size_t input_size;
    unsigned char expected_hash[MBEDTLS_MD_MAX_SIZE];
    size_t expected_hash_length;
    unsigned char actual_hash[MBEDTLS_MD_MAX_SIZE];
    size_t actual_hash_length;
    psa_hash_operation_t operation;

    input_size = strlen( input_hex ) / 2;
    input = mbedtls_calloc( 1, input_size );
    TEST_ASSERT( input != NULL );
    input_size = unhexify( input, input_hex );
    expected_hash_length = unhexify( expected_hash, hash_hex );

    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    TEST_ASSERT( psa_hash_start( &operation, alg ) == PSA_SUCCESS );
    TEST_ASSERT( psa_hash_update( &operation,
                                  input, input_size ) == PSA_SUCCESS );
    TEST_ASSERT( psa_hash_finish( &operation,
                                  actual_hash, sizeof( actual_hash ),
                                  &actual_hash_length ) == PSA_SUCCESS );
    TEST_ASSERT( actual_hash_length == expected_hash_length );
    TEST_ASSERT( memcmp( expected_hash, actual_hash,
                         expected_hash_length ) == 0 );

exit:
    mbedtls_free( input );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void hash_verify( int alg_arg, char *input_hex, char *hash_hex )
{
    psa_algorithm_t alg = alg_arg;
    unsigned char *input = NULL;
    size_t input_size;
    unsigned char expected_hash[MBEDTLS_MD_MAX_SIZE];
    size_t expected_hash_length;
    psa_hash_operation_t operation;

    input_size = strlen( input_hex ) / 2;
    input = mbedtls_calloc( 1, input_size );
    TEST_ASSERT( input != NULL );
    input_size = unhexify( input, input_hex );
    expected_hash_length = unhexify( expected_hash, hash_hex );

    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    TEST_ASSERT( psa_hash_start( &operation, alg ) == PSA_SUCCESS );
    TEST_ASSERT( psa_hash_update( &operation,
                                  input, input_size ) == PSA_SUCCESS );
    TEST_ASSERT( psa_hash_verify( &operation,
                                  expected_hash,
                                  expected_hash_length ) == PSA_SUCCESS );

exit:
    mbedtls_free( input );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void mac_verify( int key_type_arg, char *key_hex,
                 int alg_arg, char *iv_hex,
                 char *input_hex, char *mac_hex )
{
    int key_slot = 1;
    psa_key_type_t key_type = key_type_arg;
    psa_algorithm_t alg = alg_arg;
    unsigned char *key = NULL;
    size_t key_size;
    unsigned char *iv = NULL;
    size_t iv_size;
    unsigned char *input = NULL;
    size_t input_size;
    unsigned char *expected_mac = NULL;
    size_t expected_mac_size;
    psa_mac_operation_t operation;

    key_size = strlen( key_hex ) / 2;
    key = mbedtls_calloc( 1, key_size );
    TEST_ASSERT( key != NULL );
    key_size = unhexify( key, key_hex );
    iv_size = strlen( iv_hex ) / 2;
    if( iv_size != 0 )
    {
        iv = mbedtls_calloc( 1, iv_size );
        TEST_ASSERT( iv != NULL );
        iv_size = unhexify( iv, iv_hex );
    }
    input_size = strlen( input_hex ) / 2;
    input = mbedtls_calloc( 1, input_size );
    TEST_ASSERT( input != NULL );
    input_size = unhexify( input, input_hex );
    expected_mac_size = strlen( mac_hex ) / 2;
    expected_mac = mbedtls_calloc( 1, expected_mac_size );
    TEST_ASSERT( expected_mac != NULL );
    expected_mac_size = unhexify( expected_mac, mac_hex );

    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    TEST_ASSERT( psa_import_key( key_slot, key_type,
                                 key, key_size ) == PSA_SUCCESS );
    // TODO: support IV
    TEST_ASSERT( psa_mac_start( &operation, key_slot, alg ) == PSA_SUCCESS );
    TEST_ASSERT( psa_destroy_key( key_slot ) == PSA_SUCCESS );
    TEST_ASSERT( psa_mac_update( &operation,
                                 input, input_size ) == PSA_SUCCESS );
    TEST_ASSERT( psa_mac_verify( &operation,
                                 expected_mac,
                                 expected_mac_size ) == PSA_SUCCESS );

exit:
    mbedtls_free( key );
    mbedtls_free( iv );
    mbedtls_free( input );
    mbedtls_free( expected_mac );
    psa_destroy_key( key_slot );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void signature_size( int type_arg, int bits, int alg_arg, int expected_size_arg )
{
    psa_key_type_t type = type_arg;
    psa_algorithm_t alg = alg_arg;
    size_t actual_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE(type, bits, alg);
    TEST_ASSERT( actual_size == (size_t) expected_size_arg );
exit:
    ;
}
/* END_CASE */

/* BEGIN_CASE */
void sign_deterministic( int key_type_arg, char *key_hex,
                         int alg_arg, char *input_hex, char *output_hex )
{
    int slot = 1;
    psa_key_type_t key_type = key_type_arg;
    psa_algorithm_t alg = alg_arg;
    unsigned char *key_data = NULL;
    size_t key_size;
    size_t key_bits;
    unsigned char *input_data = NULL;
    size_t input_size;
    unsigned char *output_data = NULL;
    size_t output_size;
    unsigned char *signature = NULL;
    size_t signature_size;
    size_t signature_length = 0xdeadbeef;

    key_data = mbedtls_calloc( 1, strlen( key_hex ) / 2 );
    TEST_ASSERT( key_data != NULL );
    key_size = unhexify( key_data, key_hex );
    input_data = mbedtls_calloc( 1, strlen( input_hex ) / 2 );
    TEST_ASSERT( input_data != NULL );
    input_size = unhexify( input_data, input_hex );
    output_data = mbedtls_calloc( 1, strlen( output_hex ) / 2 );
    TEST_ASSERT( output_data != NULL );
    output_size = unhexify( output_data, output_hex );

    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    TEST_ASSERT( psa_import_key( slot, key_type,
                                 key_data, key_size ) == PSA_SUCCESS );
    TEST_ASSERT( psa_get_key_information( slot,
                                          NULL,
                                          &key_bits ) == PSA_SUCCESS );

    signature_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE( key_type, alg, key_bits );
    TEST_ASSERT( signature_size != 0 );
    signature = mbedtls_calloc( 1, signature_size );
    TEST_ASSERT( signature != NULL );

    TEST_ASSERT( psa_asymmetric_sign( slot, alg,
                                      input_data, input_size,
                                      NULL, 0,
                                      signature, signature_size,
                                      &signature_length ) == PSA_SUCCESS );
    TEST_ASSERT( signature_length == output_size );
    TEST_ASSERT( memcmp( signature, output_data, output_size ) == 0 );

exit:
    psa_destroy_key( slot );
    mbedtls_free( key_data );
    mbedtls_free( input_data );
    mbedtls_free( output_data );
    mbedtls_free( signature );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */

/* BEGIN_CASE */
void sign_fail( int key_type_arg, char *key_hex,
                int alg_arg, char *input_hex,
                int signature_size, int expected_status_arg )
{
    int slot = 1;
    psa_key_type_t key_type = key_type_arg;
    psa_algorithm_t alg = alg_arg;
    unsigned char *key_data = NULL;
    size_t key_size;
    unsigned char *input_data = NULL;
    size_t input_size;
    psa_status_t actual_status;
    psa_status_t expected_status = expected_status_arg;
    unsigned char *signature;
    size_t signature_length = 0xdeadbeef;

    key_data = mbedtls_calloc( 1, strlen( key_hex ) / 2 );
    TEST_ASSERT( key_data != NULL );
    key_size = unhexify( key_data, key_hex );
    input_data = mbedtls_calloc( 1, strlen( input_hex ) / 2 );
    TEST_ASSERT( input_data != NULL );
    input_size = unhexify( input_data, input_hex );
    signature = mbedtls_calloc( 1, signature_size );
    TEST_ASSERT( signature != NULL );

    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );

    TEST_ASSERT( psa_import_key( slot, key_type,
                                 key_data, key_size ) == PSA_SUCCESS );

    actual_status = psa_asymmetric_sign( slot, alg,
                                         input_data, input_size,
                                         NULL, 0,
                                         signature, signature_size,
                                         &signature_length );
    TEST_ASSERT( actual_status == expected_status );
    TEST_ASSERT( signature_length == 0 );

exit:
    psa_destroy_key( slot );
    mbedtls_free( key_data );
    mbedtls_free( input_data );
    mbedtls_free( signature );
    mbedtls_psa_crypto_free( );
}
/* END_CASE */