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SE driver support: Implement sign and verify hooks

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This commit is contained in:
Gilles Peskine 2019-08-07 21:05:07 +02:00
parent 11792086cc
commit edc6424d77
1 changed files with 42 additions and 2 deletions
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44
library/psa_crypto.c
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@ -3331,10 +3331,14 @@ psa_status_t psa_asymmetric_sign( psa_key_handle_t handle,
{
psa_key_slot_t *slot;
psa_status_t status;
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
const psa_drv_se_t *drv;
psa_drv_se_context_t *drv_context;
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
*signature_length = signature_size;
status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_SIGN, alg );
status = psa_get_key_from_slot( handle, &slot, PSA_KEY_USAGE_SIGN, alg );
if( status != PSA_SUCCESS )
goto exit;
if( ! PSA_KEY_TYPE_IS_KEY_PAIR( slot->attr.type ) )
@ -3343,6 +3347,24 @@ psa_status_t psa_asymmetric_sign( psa_key_handle_t handle,
goto exit;
}
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( psa_get_se_driver( slot->attr.lifetime, &drv, &drv_context ) )
{
if( drv->asymmetric == NULL ||
drv->asymmetric->p_sign == NULL )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
status = drv->asymmetric->p_sign( drv_context,
slot->data.se.slot_number,
alg,
hash, hash_length,
signature, signature_size,
signature_length );
}
else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
#if defined(MBEDTLS_RSA_C)
if( slot->attr.type == PSA_KEY_TYPE_RSA_KEY_PAIR )
{
@ -3406,11 +3428,29 @@ psa_status_t psa_asymmetric_verify( psa_key_handle_t handle,
{
psa_key_slot_t *slot;
psa_status_t status;
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
const psa_drv_se_t *drv;
psa_drv_se_context_t *drv_context;
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_VERIFY, alg );
status = psa_get_key_from_slot( handle, &slot, PSA_KEY_USAGE_VERIFY, alg );
if( status != PSA_SUCCESS )
return( status );
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( psa_get_se_driver( slot->attr.lifetime, &drv, &drv_context ) )
{
if( drv->asymmetric == NULL ||
drv->asymmetric->p_verify == NULL )
return( PSA_ERROR_NOT_SUPPORTED );
return( drv->asymmetric->p_verify( drv_context,
slot->data.se.slot_number,
alg,
hash, hash_length,
signature, signature_length ) );
}
else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
#if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{