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psa: Export "internally" mbedtls_cipher_info_from_psa

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Export "internally" mbedtls_cipher_info_from_psa to be
able to use it in psa_crypto_cipher.c.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2021-03-09 10:03:08 +01:00
parent ab99ac2f33
commit 7986f7e14b
2 changed files with 17 additions and 1 deletions
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2
library/psa_crypto.c
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@ -2310,7 +2310,7 @@ psa_status_t psa_hash_clone( const psa_hash_operation_t *source_operation,
/* MAC */
/****************************************************************/
static const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
psa_algorithm_t alg,
psa_key_type_t key_type,
size_t key_bits,

16
library/psa_crypto_core.h
View file

@ -212,6 +212,22 @@ psa_status_t psa_copy_key_material_into_slot( psa_key_slot_t *slot,
*/
psa_status_t mbedtls_to_psa_error( int ret );
/** Get Mbed TLS cipher information given the cipher algorithm PSA identifier
* as well as the PSA type and size of the key to be used with the cipher
* algorithm.
*
* \param alg PSA cipher algorithm identifier
* \param key_type PSA key type
* \param key_bits Size of the key in bits
* \param[out] cipher_id Mbed TLS cipher algorithm identifier
*
* \return The Mbed TLS cipher information of the cipher algorithm.
* \c NULL if the PSA cipher algorithm is not supported.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
psa_algorithm_t alg, psa_key_type_t key_type, size_t key_bits,
mbedtls_cipher_id_t *cipher_id );
/** Import a key in binary format.
*
* \note The signature of this function is that of a PSA driver