mirror of
https://github.com/yuzu-emu/mbedtls.git
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Move declarations related to lifetimes further up in crypto.h
No content change. This is in preparation for declaring the slot management functions, which need the type psa_key_lifetime_t.
This commit is contained in:
Gilles Peskine
parent
de14d4d86d
commit
3cac8c4d78
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@ -1401,6 +1401,98 @@ typedef uint32_t psa_algorithm_t;
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* @{
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*/
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/** Encoding of key lifetimes.
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*/
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typedef uint32_t psa_key_lifetime_t;
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/** Encoding of identifiers of persistent keys.
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*/
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typedef uint32_t psa_key_id_t;
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/** A volatile key slot retains its content as long as the application is
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* running. It is guaranteed to be erased on a power reset.
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*/
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#define PSA_KEY_LIFETIME_VOLATILE ((psa_key_lifetime_t)0x00000000)
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/** A persistent key slot retains its content as long as it is not explicitly
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* destroyed.
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*/
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#define PSA_KEY_LIFETIME_PERSISTENT ((psa_key_lifetime_t)0x00000001)
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/** A write-once key slot may not be modified once a key has been set.
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* It will retain its content as long as the device remains operational.
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*/
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#define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff)
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/** \brief Retrieve the lifetime of a key slot.
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*
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* The assignment of lifetimes to slots is implementation-dependent.
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*
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* \param key Slot to query.
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* \param[out] lifetime On success, the lifetime value.
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*
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* \retval #PSA_SUCCESS
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* Success.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The key slot is invalid.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_HARDWARE_FAILURE
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* \retval #PSA_ERROR_TAMPERING_DETECTED
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_get_key_lifetime(psa_key_slot_t key,
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psa_key_lifetime_t *lifetime);
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/** \brief Change the lifetime of a key slot.
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*
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* Whether the lifetime of a key slot can be changed at all, and if so
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* whether the lifetime of an occupied key slot can be changed, is
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* implementation-dependent.
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*
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* When creating a persistent key, you must call this function before creating
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* the key material with psa_import_key(), psa_generate_key() or
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* psa_generator_import_key(). To open an existing persistent key, you must
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* call this function with the correct lifetime value before using the slot
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* for a cryptographic operation. Once a slot's lifetime has been set,
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* the lifetime remains associated with the slot until a subsequent call to
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* psa_set_key_lifetime(), until the key is wiped with psa_destroy_key or
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* until the application terminates (or disconnects from the cryptography
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* service, if the implementation offers such a possibility).
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*
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* \param key Slot whose lifetime is to be changed.
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* \param lifetime The lifetime value to set for the given key slot.
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*
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* \retval #PSA_SUCCESS
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* Success.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The key slot is invalid,
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* or the lifetime value is invalid.
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* The implementation does not support the specified lifetime value,
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* at least for the specified key slot.
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* \retval #PSA_ERROR_OCCUPIED_SLOT
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* The slot contains a key, and the implementation does not support
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* changing the lifetime of an occupied slot.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_HARDWARE_FAILURE
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* \retval #PSA_ERROR_TAMPERING_DETECTED
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_set_key_lifetime(psa_key_slot_t key,
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psa_key_lifetime_t lifetime);
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/**@}*/
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/** \defgroup import_export Key import and export
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* @{
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*/
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/**
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* \brief Import a key in binary format.
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*
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@ -1872,94 +1964,6 @@ psa_status_t psa_get_key_policy(psa_key_slot_t key,
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/**@}*/
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/** \defgroup persistence Key lifetime
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* @{
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*/
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/** Encoding of key lifetimes.
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*/
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typedef uint32_t psa_key_lifetime_t;
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/** A volatile key slot retains its content as long as the application is
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* running. It is guaranteed to be erased on a power reset.
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*/
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#define PSA_KEY_LIFETIME_VOLATILE ((psa_key_lifetime_t)0x00000000)
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/** A persistent key slot retains its content as long as it is not explicitly
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* destroyed.
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*/
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#define PSA_KEY_LIFETIME_PERSISTENT ((psa_key_lifetime_t)0x00000001)
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/** A write-once key slot may not be modified once a key has been set.
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* It will retain its content as long as the device remains operational.
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*/
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#define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff)
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/** \brief Retrieve the lifetime of a key slot.
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*
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* The assignment of lifetimes to slots is implementation-dependent.
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*
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* \param key Slot to query.
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* \param[out] lifetime On success, the lifetime value.
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*
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* \retval #PSA_SUCCESS
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* Success.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The key slot is invalid.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_HARDWARE_FAILURE
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* \retval #PSA_ERROR_TAMPERING_DETECTED
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_get_key_lifetime(psa_key_slot_t key,
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psa_key_lifetime_t *lifetime);
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/** \brief Change the lifetime of a key slot.
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*
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* Whether the lifetime of a key slot can be changed at all, and if so
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* whether the lifetime of an occupied key slot can be changed, is
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* implementation-dependent.
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*
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* When creating a persistent key, you must call this function before creating
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* the key material with psa_import_key(), psa_generate_key() or
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* psa_generator_import_key(). To open an existing persistent key, you must
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* call this function with the correct lifetime value before using the slot
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* for a cryptographic operation. Once a slot's lifetime has been set,
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* the lifetime remains associated with the slot until a subsequent call to
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* psa_set_key_lifetime(), until the key is wiped with psa_destroy_key or
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* until the application terminates (or disconnects from the cryptography
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* service, if the implementation offers such a possibility).
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*
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* \param key Slot whose lifetime is to be changed.
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* \param lifetime The lifetime value to set for the given key slot.
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*
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* \retval #PSA_SUCCESS
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* Success.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The key slot is invalid,
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* or the lifetime value is invalid.
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* The implementation does not support the specified lifetime value,
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* at least for the specified key slot.
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* \retval #PSA_ERROR_OCCUPIED_SLOT
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* The slot contains a key, and the implementation does not support
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* changing the lifetime of an occupied slot.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_HARDWARE_FAILURE
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* \retval #PSA_ERROR_TAMPERING_DETECTED
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_set_key_lifetime(psa_key_slot_t key,
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psa_key_lifetime_t lifetime);
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/**@}*/
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/** \defgroup hash Message digests
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* @{
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*/
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