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Plug in the entry point for public key export through driver

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Including test.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2020-10-14 14:39:20 +02:00
parent cb0a9ee33e
commit b9b844220b
7 changed files with 276 additions and 11 deletions
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16
library/psa_crypto.c
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@ -1656,14 +1656,24 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
/* Exporting private -> private */
return( psa_internal_export_key_buffer( slot, data, data_size, data_length ) );
}
/* Need to export the public part of a private key,
* so conversion is needed */
* so conversion is needed. Try the accelerators first. */
psa_status_t status = psa_driver_wrapper_export_public_key( slot,
data,
data_size,
data_length );
if( status != PSA_ERROR_NOT_SUPPORTED ||
psa_key_lifetime_is_external( slot->attr.lifetime ) )
return( status );
if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY)
mbedtls_rsa_context *rsa = NULL;
psa_status_t status = psa_load_rsa_representation(
status = psa_load_rsa_representation(
slot->attr.type,
slot->data.key.data,
slot->data.key.bytes,
@ -1692,7 +1702,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY)
mbedtls_ecp_keypair *ecp = NULL;
psa_status_t status = psa_load_ecp_representation(
status = psa_load_ecp_representation(
slot->attr.type,
slot->data.key.data,
slot->data.key.bytes,