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use mbedtls_cipher_info_from_psa to get cipher ID

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This commit is contained in:
mohammad1603 2018-06-03 15:10:06 +03:00 committed by itayzafrir
parent f58aa6ade6
commit 0f21465175
1 changed files with 10 additions and 18 deletions
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28
library/psa_crypto.c
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@ -1491,6 +1491,8 @@ psa_status_t psa_aead_encrypt( psa_key_slot_t key,
size_t key_bits;
unsigned char tag[16];
mbedtls_cipher_id_t cipher_id;
const mbedtls_cipher_info_t *cipher_info = NULL;
*ciphertext_length = 0;
if( ciphertext_size < ( plaintext_length + sizeof( tag ) ) )
@ -1501,14 +1503,9 @@ psa_status_t psa_aead_encrypt( psa_key_slot_t key,
return( status );
slot = &global_data.key_slots[key];
if ( key_type == PSA_KEY_TYPE_AES )
{
cipher_id = MBEDTLS_CIPHER_ID_AES;
}
else
{
return( PSA_ERROR_INVALID_ARGUMENT );
}
cipher_info = mbedtls_cipher_info_from_psa( alg, key_type, key_bits, &cipher_id );
if( cipher_info == NULL )
return( PSA_ERROR_NOT_SUPPORTED );
//TODO: check key policy
@ -1622,7 +1619,8 @@ psa_status_t psa_aead_decrypt( psa_key_slot_t key,
const uint8_t *tag;
size_t tag_length;
mbedtls_cipher_id_t cipher_id;
const mbedtls_cipher_info_t *cipher_info = NULL;
*plaintext_length = 0;
status = psa_get_key_information( key, &key_type, &key_bits );
@ -1630,15 +1628,9 @@ psa_status_t psa_aead_decrypt( psa_key_slot_t key,
return( status );
slot = &global_data.key_slots[key];
if ( key_type == PSA_KEY_TYPE_AES )
{
cipher_id = MBEDTLS_CIPHER_ID_AES;
}
else
{
return( PSA_ERROR_INVALID_ARGUMENT );
}
cipher_info = mbedtls_cipher_info_from_psa( alg, key_type, key_bits, &cipher_id );
if( cipher_info == NULL )
return( PSA_ERROR_NOT_SUPPORTED );
//TODO: check key policy
if ( !( ( key_type & PSA_KEY_TYPE_CATEGORY_MASK ) == PSA_KEY_TYPE_CATEGORY_CIPHER