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add request re-enroll to HAL API

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devices may want to request an upgrade to a newer pasword
handle version

Change-Id: I34c731c81406e29961cff1fcccdefad02cff1237
This commit is contained in:
Andres Morales 2015-05-21 11:11:57 -07:00
parent 09bd94db85
commit c65adc73e3
1 changed files with 6 additions and 3 deletions
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9
include/hardware/gatekeeper.h
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@ -76,7 +76,7 @@ struct gatekeeper_device {
* - enrolled_password_handle: on success, a buffer will be allocated with the
* new password handle referencing the password provided in desired_password.
* This buffer can be used on subsequent calls to enroll or verify.
* The caller is responsible for deallocating this buffer via a call to free()
* The caller is responsible for deallocating this buffer via a call to delete[]
* - enrolled_password_handle_length: pointer to the length in bytes of the buffer allocated
* by this function and pointed to by *enrolled_password_handle_length.
*
@ -124,10 +124,13 @@ struct gatekeeper_device {
*
* - auth_token: on success, a buffer containing the authentication token
* resulting from this verification is assigned to *auth_token. The caller
* is responsible for deallocating this memory via a call to free()
* is responsible for deallocating this memory via a call to delete[]
* - auth_token_length: on success, the length in bytes of the authentication
* token assigned to *auth_token will be assigned to *auth_token_length
*
* - request_reenroll: a request to the upper layers to re-enroll the verified
* password due to a version change. Not set if verification fails.
*
* Returns:
* - 0 on success
* - An error code < 0 on failure, or
@ -138,7 +141,7 @@ struct gatekeeper_device {
int (*verify)(const struct gatekeeper_device *dev, uint32_t uid, uint64_t challenge,
const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length,
uint8_t **auth_token, uint32_t *auth_token_length);
uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll);
};
typedef struct gatekeeper_device gatekeeper_device_t;