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Remove psa_set_key_lifetime

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This function is no longer relevant. Use psa_create_key instead.
This commit is contained in:
Gilles Peskine 2018-12-03 17:46:13 +01:00
parent f6cc435a8a
commit b77a6b25c0
2 changed files with 0 additions and 74 deletions
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45
include/psa/crypto.h
View File

@ -1419,11 +1419,6 @@ typedef uint32_t psa_key_id_t;
*/
#define PSA_KEY_LIFETIME_PERSISTENT ((psa_key_lifetime_t)0x00000001)
/** A write-once key slot may not be modified once a key has been set.
* It will retain its content as long as the device remains operational.
*/
#define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff)
/** \brief Retrieve the lifetime of an open key.
*
* \param handle Handle to query.
@ -1443,46 +1438,6 @@ typedef uint32_t psa_key_id_t;
psa_status_t psa_get_key_lifetime(psa_key_handle_t handle,
psa_key_lifetime_t *lifetime);
/** \brief Change the lifetime of a key slot.
*
* Whether the lifetime of a key slot can be changed at all, and if so
* whether the lifetime of an occupied key slot can be changed, is
* implementation-dependent.
*
* When creating a persistent key, you must call this function before creating
* the key material with psa_import_key(), psa_generate_key() or
* psa_generator_import_key(). To open an existing persistent key, you must
* call this function with the correct lifetime value before using the slot
* for a cryptographic operation. Once a slot's lifetime has been set,
* the lifetime remains associated with the slot until a subsequent call to
* psa_set_key_lifetime(), until the key is wiped with psa_destroy_key or
* until the application terminates (or disconnects from the cryptography
* service, if the implementation offers such a possibility).
*
* \param key Slot whose lifetime is to be changed.
* \param lifetime The lifetime value to set for the given key slot.
*
* \retval #PSA_SUCCESS
* Success.
* \retval #PSA_ERROR_INVALID_ARGUMENT
* The key slot is invalid,
* or the lifetime value is invalid.
* \retval #PSA_ERROR_NOT_SUPPORTED
* The implementation does not support the specified lifetime value,
* at least for the specified key slot.
* \retval #PSA_ERROR_OCCUPIED_SLOT
* The slot contains a key, and the implementation does not support
* changing the lifetime of an occupied slot.
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_TAMPERING_DETECTED
* \retval #PSA_ERROR_BAD_STATE
* The library has not been previously initialized by psa_crypto_init().
* It is implementation-dependent whether a failure to initialize
* results in this error code.
*/
psa_status_t psa_set_key_lifetime(psa_key_handle_t key,
psa_key_lifetime_t lifetime);
/** Allocate a key slot for a transient key, i.e. a key which is only stored
* in volatile memory.

29
library/psa_crypto.c
View File

@ -3206,35 +3206,6 @@ psa_status_t psa_get_key_lifetime( psa_key_slot_t key,
return( PSA_SUCCESS );
}
psa_status_t psa_set_key_lifetime( psa_key_slot_t key,
psa_key_lifetime_t lifetime )
{
key_slot_t *slot;
psa_status_t status;
if( lifetime != PSA_KEY_LIFETIME_VOLATILE &&
lifetime != PSA_KEY_LIFETIME_PERSISTENT &&
lifetime != PSA_KEY_LIFETIME_WRITE_ONCE )
return( PSA_ERROR_INVALID_ARGUMENT );
status = psa_get_empty_key_slot( key, &slot );
if( status != PSA_SUCCESS )
return( status );
if( lifetime == PSA_KEY_LIFETIME_WRITE_ONCE )
return( PSA_ERROR_NOT_SUPPORTED );
#if !defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
if( lifetime == PSA_KEY_LIFETIME_PERSISTENT )
return( PSA_ERROR_NOT_SUPPORTED );
#endif
slot->lifetime = lifetime;
slot->persistent_storage_id = key;
return( PSA_SUCCESS );
}
/****************************************************************/