/*
* meta_DigestKey
*
* NOTE: This function can fail under certain circumstances!
* Unlike the other crypto functions, we didn't get the key object
* when the operation was initialized with C_DigestInit().
* Thus, the slot we're using for the digest operation may
* not be the slot containing the key -- if the key is extractible we can
* deal with it, but if it's not the operation will FAIL.
*/
CK_RV
meta_DigestKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
/* meta_do_operation() will clone the key, if needed. */
rv = meta_do_operation(OP_DIGEST, MODE_UPDATE_WITHKEY, session, key,
NULL, 0, NULL, NULL);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_EncryptInit
*
*/
CK_RV
meta_EncryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
rv = meta_operation_init_defer(CKF_ENCRYPT, session, pMechanism, key);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
