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cryptodev: decrease key and digest sizes

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Crypto keys and digests are not expected
to be big, so using a uint16_t to store
their lengths should be enough.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
This commit is contained in:
Pablo de Lara 2017-07-17 09:29:51 +01:00
parent f51606537a
commit 799dea5783
2 changed files with 6 additions and 4 deletions
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2
doc/guides/rel_notes/release_17_08.rst
View File

@ -321,6 +321,7 @@ ABI Changes
* **Reorganized the ``rte_crypto_sym_cipher_xform`` structure.**
* Added cipher IV length and offset parameters.
* Changed field size of key length from size_t to uint16_t.
* **Reorganized the ``rte_crypto_sym_auth_xform`` structure.**
@ -328,6 +329,7 @@ ABI Changes
* Changed field size of AAD length from uint32_t to uint16_t.
* Changed field size of digest length from uint32_t to uint16_t.
* Removed AAD length.
* Changed field size of key length from size_t to uint16_t.
* Replaced ``dev_type`` enumeration with uint8_t ``driver_id`` in
``rte_cryptodev_info`` and ``rte_cryptodev`` structures.

8
lib/librte_cryptodev/rte_crypto_sym.h
View File

@ -143,7 +143,7 @@ struct rte_crypto_cipher_xform {
struct {
uint8_t *data; /**< pointer to key data */
size_t length; /**< key length in bytes */
uint16_t length;/**< key length in bytes */
} key;
/**< Cipher key
*
@ -306,7 +306,7 @@ struct rte_crypto_auth_xform {
struct {
uint8_t *data; /**< pointer to key data */
size_t length; /**< key length in bytes */
uint16_t length;/**< key length in bytes */
} key;
/**< Authentication key data.
* The authentication key length MUST be less than or equal to the
@ -389,7 +389,7 @@ struct rte_crypto_aead_xform {
struct {
uint8_t *data; /**< pointer to key data */
size_t length; /**< key length in bytes */
uint16_t length;/**< key length in bytes */
} key;
struct {
@ -424,7 +424,7 @@ struct rte_crypto_aead_xform {
*/
} iv; /**< Initialisation vector parameters */
uint32_t digest_length;
uint16_t digest_length;
uint16_t add_auth_data_length;
/**< The length of the additional authenticated data (AAD) in bytes. */