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psa: Add ECP/RSA transparent test driver import_key entry point

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Add ECP/RSA transparent test driver import_key
entry point and use it in the transparent test
driver entry supporting both ECP and RSA.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-11-30 13:55:05 +01:00
parent fb2ed5bb05
commit 784fb326ae
5 changed files with 98 additions and 97 deletions
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26
library/psa_crypto_ecp.c
View file

@ -152,7 +152,7 @@ exit:
#if defined(BUILTIN_KEY_TYPE_ECC_KEY_PAIR) || \
defined(BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY)
psa_status_t mbedtls_psa_ecp_import_key(
static psa_status_t ecp_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
@ -271,6 +271,17 @@ static psa_status_t ecp_export_public_key(
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY)
psa_status_t mbedtls_psa_ecp_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits )
{
return( ecp_import_key( attributes, data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits ) );
}
psa_status_t mbedtls_psa_ecp_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
@ -291,6 +302,18 @@ psa_status_t mbedtls_psa_ecp_export_public_key(
#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR) || \
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY)
psa_status_t mbedtls_transparent_test_driver_ecp_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits )
{
return( ecp_import_key( attributes, data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits ) );
}
psa_status_t mbedtls_transparent_test_driver_ecp_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
@ -299,6 +322,7 @@ psa_status_t mbedtls_transparent_test_driver_ecp_export_public_key(
return( ecp_export_public_key( attributes, key_buffer, key_buffer_size,
data, data_size, data_length ) );
}
#endif /* defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR) ||
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY) */

7
library/psa_crypto_ecp.h
View file

@ -119,10 +119,17 @@ psa_status_t mbedtls_psa_ecp_export_public_key(
*/
#if defined(PSA_CRYPTO_DRIVER_TEST)
psa_status_t mbedtls_transparent_test_driver_ecp_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits );
psa_status_t mbedtls_transparent_test_driver_ecp_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
uint8_t *data, size_t data_size, size_t *data_length );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ECP_H */

26
library/psa_crypto_rsa.c
View file

@ -139,7 +139,7 @@ exit:
#if defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
defined(BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY)
psa_status_t mbedtls_psa_rsa_import_key(
static psa_status_t rsa_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
@ -261,6 +261,17 @@ static psa_status_t rsa_export_public_key(
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY)
psa_status_t mbedtls_psa_rsa_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits )
{
return( rsa_import_key( attributes, data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits ) );
}
psa_status_t mbedtls_psa_rsa_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
@ -281,6 +292,18 @@ psa_status_t mbedtls_psa_rsa_export_public_key(
#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR) || \
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_PUBLIC_KEY)
psa_status_t mbedtls_transparent_test_driver_rsa_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits )
{
return( rsa_import_key( attributes, data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits ) );
}
psa_status_t mbedtls_transparent_test_driver_rsa_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
@ -289,6 +312,7 @@ psa_status_t mbedtls_transparent_test_driver_rsa_export_public_key(
return( rsa_export_public_key( attributes, key_buffer, key_buffer_size,
data, data_size, data_length ) );
}
#endif /* defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR) ||
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_PUBLIC_KEY) */

6
library/psa_crypto_rsa.h
View file

@ -120,6 +120,12 @@ psa_status_t mbedtls_psa_rsa_export_public_key(
#if defined(PSA_CRYPTO_DRIVER_TEST)
psa_status_t mbedtls_transparent_test_driver_rsa_import_key(
const psa_key_attributes_t *attributes,
const uint8_t *data, size_t data_length,
uint8_t *key_buffer, size_t key_buffer_size,
size_t *key_buffer_length, size_t *bits );
psa_status_t mbedtls_transparent_test_driver_rsa_export_public_key(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,

130
tests/src/drivers/key_management.c
View file

@ -153,105 +153,45 @@ psa_status_t test_transparent_import_key(
if( test_driver_key_management_hooks.forced_status != PSA_SUCCESS )
return( test_driver_key_management_hooks.forced_status );
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_type_t type = psa_get_key_type( attributes );
#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR) || \
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY)
psa_key_type_t type = psa_get_key_type( attributes );
if ( PSA_KEY_TYPE_IS_ECC( type ) )
if( PSA_KEY_TYPE_IS_ECC( type ) )
{
// Code mostly copied from psa_load_ecp_representation
psa_ecc_family_t curve = PSA_KEY_TYPE_ECC_GET_FAMILY( type );
mbedtls_ecp_group_id grp_id;
mbedtls_ecp_keypair ecp;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
if( psa_get_key_bits( attributes ) == 0 )
{
// Attempt auto-detect of curve bit size
size_t curve_size = data_length;
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) &&
PSA_KEY_TYPE_ECC_GET_FAMILY( type ) != PSA_ECC_FAMILY_MONTGOMERY )
{
/* A Weierstrass public key is represented as:
* - The byte 0x04;
* - `x_P` as a `ceiling(m/8)`-byte string, big-endian;
* - `y_P` as a `ceiling(m/8)`-byte string, big-endian.
* So its data length is 2m+1 where m is the curve size in bits.
*/
if( ( data_length & 1 ) == 0 )
return( PSA_ERROR_INVALID_ARGUMENT );
curve_size = data_length / 2;
/* Montgomery public keys are represented in compressed format, meaning
* their curve_size is equal to the amount of input. */
/* Private keys are represented in uncompressed private random integer
* format, meaning their curve_size is equal to the amount of input. */
}
grp_id = mbedtls_ecc_group_of_psa( curve, curve_size );
}
else
{
grp_id = mbedtls_ecc_group_of_psa( curve,
PSA_BITS_TO_BYTES( psa_get_key_bits( attributes ) ) );
}
const mbedtls_ecp_curve_info *curve_info =
mbedtls_ecp_curve_info_from_grp_id( grp_id );
if( attributes->domain_parameters_size != 0 )
return( PSA_ERROR_NOT_SUPPORTED );
if( grp_id == MBEDTLS_ECP_DP_NONE || curve_info == NULL )
return( PSA_ERROR_NOT_SUPPORTED );
*bits = curve_info->bit_size;
mbedtls_ecp_keypair_init( &ecp );
status = mbedtls_to_psa_error(
mbedtls_ecp_group_load( &ecp.grp, grp_id ) );
if( status != PSA_SUCCESS )
goto ecp_exit;
/* Load the key material. */
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) )
{
/* Load the public value. */
status = mbedtls_to_psa_error(
mbedtls_ecp_point_read_binary( &ecp.grp, &ecp.Q,
data,
data_length ) );
if( status != PSA_SUCCESS )
goto ecp_exit;
/* Check that the point is on the curve. */
status = mbedtls_to_psa_error(
mbedtls_ecp_check_pubkey( &ecp.grp, &ecp.Q ) );
}
else
{
/* Load and validate the secret value. */
status = mbedtls_to_psa_error(
mbedtls_ecp_read_key( ecp.grp.id,
&ecp,
data,
data_length ) );
}
ecp_exit:
mbedtls_ecp_keypair_free( &ecp );
return( status );
status = mbedtls_transparent_test_driver_ecp_import_key(
attributes,
data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits );
}
return( PSA_ERROR_NOT_SUPPORTED );
#else
(void) attributes;
(void) data;
(void) data_length;
(void) bits;
return( PSA_ERROR_NOT_SUPPORTED );
#endif /* MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR ||
* MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY */
else
#endif
#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR) || \
defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_PUBLIC_KEY)
if( PSA_KEY_TYPE_IS_RSA( type ) )
{
status = mbedtls_transparent_test_driver_rsa_import_key(
attributes,
data, data_length,
key_buffer, key_buffer_size,
key_buffer_length, bits );
}
else
#endif
{
status = PSA_ERROR_NOT_SUPPORTED;
(void)data;
(void)data_length;
(void)key_buffer;
(void)key_buffer_size;
(void)key_buffer_length;
(void)bits;
(void)type;
}
return( status );
}
psa_status_t test_opaque_export_key(