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Remove remaining mentions of slots

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Adrian L. Shaw 2019-05-14 15:24:21 +01:00 committed by Gilles Peskine
parent eef988fc2d
commit 67e1c7ac80
3 changed files with 39 additions and 41 deletions
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36
include/psa/crypto.h
View file

@ -334,6 +334,7 @@ static psa_key_usage_t psa_get_key_usage_flags(
static void psa_set_key_algorithm(psa_key_attributes_t *attributes,
psa_algorithm_t alg);
/** Retrieve the algorithm policy from key attributes.
*
* This function may be declared as `static` (i.e. without external
@ -365,6 +366,7 @@ static psa_algorithm_t psa_get_key_algorithm(
static void psa_set_key_type(psa_key_attributes_t *attributes,
psa_key_type_t type);
/** Declare the size of a key.
*
* This function overwrites any key size previously set in \p attributes.
@ -537,22 +539,20 @@ void psa_reset_key_attributes(psa_key_attributes_t *attributes);
* @{
*/
/** Open a handle to an existing persistent key.
/** Get a handle to an existing persistent key.
*
* Open a handle to a key which was previously created with psa_create_key().
* Get a handle to a key which was previously created with psa_create_key().
*
* Implementations may provide additional keys that can be opened with
* psa_open_key(). Such keys have a key identifier in the vendor range,
* as documented in the description of #psa_key_id_t.
*
* \param id The persistent identifier of the key.
* \param[out] handle On success, a handle to a key slot which contains
* the data and metadata loaded from the specified
* persistent location.
* \param[out] handle On success, a handle to the key.
*
* \retval #PSA_SUCCESS
* Success. The application can now use the value of `*handle`
* to access the newly allocated key slot.
* to access the key.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_DOES_NOT_EXIST
* \retval #PSA_ERROR_INVALID_ARGUMENT
@ -568,13 +568,14 @@ void psa_reset_key_attributes(psa_key_attributes_t *attributes);
psa_status_t psa_open_key(psa_key_id_t id,
psa_key_handle_t *handle);
/** Close a key handle.
*
* If the handle designates a volatile key, destroy the key material and
* free all associated resources, just like psa_destroy_key().
*
* If the handle designates a persistent key, free all resources associated
* with the key in volatile memory. The key slot in persistent storage is
* with the key in volatile memory. The key in persistent storage is
* not affected and can be opened again later with psa_open_key().
*
* If the key is currently in use in a multipart operation,
@ -609,6 +610,7 @@ psa_status_t psa_close_key(psa_key_handle_t handle);
* minimize the risk that an invalid input is accidentally interpreted
* according to a different format.
*
* \param[in] attributes The attributes for the new key.
* The key size is always determined from the
* \p data buffer.
@ -665,23 +667,20 @@ psa_status_t psa_import_key(const psa_key_attributes_t *attributes,
/**
* \brief Destroy a key.
*
* This function destroys the content of the key slot from both volatile
* This function destroys a key from both volatile
* memory and, if applicable, non-volatile storage. Implementations shall
* make a best effort to ensure that any previous content of the slot is
* make a best effort to ensure that any previous content of the handle is
* unrecoverable.
*
* This function also erases any metadata such as policies and frees all
* resources associated with the key.
*
* If the key is currently in use in a multipart operation,
* the multipart operation is aborted.
*
* \param handle Handle to the key slot to erase.
* \param handle Handle to the key to erase.
*
* \retval #PSA_SUCCESS
* The slot's content, if any, has been erased.
* The handle's content, if any, has been erased.
* \retval #PSA_ERROR_NOT_PERMITTED
* The slot holds content and cannot be erased because it is
* The handle holds content and cannot be erased because it is
* read-only, either due to a policy or due to physical restrictions.
* \retval #PSA_ERROR_INVALID_HANDLE
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
@ -873,7 +872,7 @@ psa_status_t psa_export_public_key(psa_key_handle_t handle,
* to another, since it populates a key using the material from
* another key which may have a different lifetime.
*
* In an implementation where slots have different ownerships,
* In an implementation where handles have different ownerships,
* this function may be used to share a key with a different party,
* subject to implementation-defined restrictions on key sharing.
*
@ -903,8 +902,7 @@ psa_status_t psa_export_public_key(psa_key_handle_t handle,
* The effect of this function on implementation-defined attributes is
* implementation-defined.
*
* \param source_handle The key to copy. It must be a handle to an
* occupied slot.
* \param source_handle The key to copy. It must be a valid key handle.
* \param[in] attributes The attributes for the new key.
* They are used as follows:
* - The key type and size may be 0. If either is
@ -3397,7 +3395,7 @@ psa_status_t psa_key_derivation_output_bytes(
* this function will not succeed, even with a smaller output buffer.
* \retval #PSA_ERROR_NOT_SUPPORTED
* The key type or key size is not supported, either by the
* implementation in general or in this particular slot.
* implementation in general or in this particular location.
* \retval #PSA_ERROR_BAD_STATE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_INSUFFICIENT_STORAGE

38
include/psa/crypto_extra.h
View file

@ -232,7 +232,7 @@ static psa_key_policy_t psa_key_policy_init(void);
*
* Note that this function does not make any consistency check of the
* parameters. The values are only checked when applying the policy to
* a key slot with psa_set_key_policy().
* a key with psa_set_key_policy().
*
* \param[in,out] policy The key policy to modify. It must have been
* initialized as per the documentation for
@ -260,14 +260,14 @@ psa_key_usage_t psa_key_policy_get_usage(const psa_key_policy_t *policy);
*/
psa_algorithm_t psa_key_policy_get_algorithm(const psa_key_policy_t *policy);
/** \brief Set the usage policy on a key slot.
/** \brief Set the usage policy for a key.
*
* This function must be called on an empty key slot, before importing,
* generating or creating a key in the slot. Changing the policy of an
* This function must be called on a key handle before importing,
* generating or creating a key. Changing the policy of an
* existing key is not permitted.
*
* Implementations may set restrictions on supported key policies
* depending on the key type and the key slot.
* depending on the key type.
*
* \param handle Handle to the key whose policy is to be changed.
* \param[in] policy The policy object to query.
@ -292,9 +292,9 @@ psa_algorithm_t psa_key_policy_get_algorithm(const psa_key_policy_t *policy);
psa_status_t psa_set_key_policy(psa_key_handle_t handle,
const psa_key_policy_t *policy);
/** \brief Get the usage policy for a key slot.
/** \brief Get the usage policy for a key.
*
* \param handle Handle to the key slot whose policy is being queried.
* \param handle Handle to the key whose policy is being queried.
* \param[out] policy On success, the key's policy.
*
* \retval #PSA_SUCCESS
@ -321,9 +321,9 @@ psa_status_t psa_get_key_policy(psa_key_handle_t handle,
* a structure that represents the properties.
*/
/** Create a new persistent key slot.
/** Create a new persistent key.
*
* Create a new persistent key slot and return a handle to it. The handle
* Create a new persistent key and return a handle to it. The handle
* remains valid until the application calls psa_close_key() or terminates.
* The application can open the key again with psa_open_key() until it
* removes the key by calling psa_destroy_key().
@ -332,13 +332,13 @@ psa_status_t psa_get_key_policy(psa_key_handle_t handle,
* area where the key material is stored. This must not
* be #PSA_KEY_LIFETIME_VOLATILE.
* \param id The persistent identifier of the key.
* \param[out] handle On success, a handle to the newly created key slot.
* When key material is later created in this key slot,
* \param[out] handle On success, a handle to the newly created key.
* When key material is later created in this key,
* it will be saved to the specified persistent location.
*
* \retval #PSA_SUCCESS
* Success. The application can now use the value of `*handle`
* to access the newly allocated key slot.
* for key operations.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_INSUFFICIENT_STORAGE
* \retval #PSA_ERROR_ALREADY_EXISTS
@ -358,20 +358,20 @@ psa_status_t psa_create_key(psa_key_lifetime_t lifetime,
psa_key_id_t id,
psa_key_handle_t *handle);
/** Allocate a key slot for a transient key, i.e. a key which is only stored
/** Allocate space for a transient key, i.e. a key which is only stored
* in volatile memory.
*
* The allocated key slot and its handle remain valid until the
* The allocated key and its handle remain valid until the
* application calls psa_close_key() or psa_destroy_key() or until the
* application terminates.
*
* \param[out] handle On success, a handle to a volatile key slot.
* \param[out] handle On success, a handle to a volatile key.
*
* \retval #PSA_SUCCESS
* Success. The application can now use the value of `*handle`
* to access the newly allocated key slot.
* to refer to the key.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* There was not enough memory, or the maximum number of key slots
* There was not enough memory, or the maximum number of transient keys
* has been reached.
*/
psa_status_t psa_allocate_key(psa_key_handle_t *handle);
@ -379,7 +379,7 @@ psa_status_t psa_allocate_key(psa_key_handle_t *handle);
/**
* \brief Get basic metadata about a key.
*
* \param handle Handle to the key slot to query.
* \param handle Handle to the key to query.
* \param[out] type On success, the key type (a \c PSA_KEY_TYPE_XXX value).
* This may be a null pointer, in which case the key type
* is not written.
@ -390,7 +390,7 @@ psa_status_t psa_allocate_key(psa_key_handle_t *handle);
* \retval #PSA_SUCCESS
* \retval #PSA_ERROR_INVALID_HANDLE
* \retval #PSA_ERROR_DOES_NOT_EXIST
* The handle is to a key slot which does not contain key material yet.
* The handle does not contain a key.
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_TAMPERING_DETECTED

6
include/psa/crypto_values.h
View file

@ -105,8 +105,8 @@
* descriptions for permitted sequencing of functions.
*
* Implementations shall not return this error code to indicate
* that a key slot is occupied when it needs to be free or vice versa,
* but shall return #PSA_ERROR_ALREADY_EXISTS or #PSA_ERROR_DOES_NOT_EXIST
* that a key either exists or not,
* but shall instead return #PSA_ERROR_ALREADY_EXISTS or #PSA_ERROR_DOES_NOT_EXIST
* as applicable. */
#define PSA_ERROR_BAD_STATE ((psa_status_t)-137)
@ -116,7 +116,7 @@
* combination of parameters are recognized as invalid.
*
* Implementations shall not return this error code to indicate
* that a key slot is occupied when it needs to be free or vice versa,
* that a key either exists or not,
* but shall return #PSA_ERROR_ALREADY_EXISTS or #PSA_ERROR_DOES_NOT_EXIST
* as applicable.
*