1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Kernelspace interface to the pkey device driver
5 * Copyright IBM Corp. 2016,2019
14 #include <linux/ioctl.h>
15 #include <linux/types.h>
16 #include <uapi/asm/pkey.h>
19 * In-kernel API: Transform an key blob (of any type) into a protected key.
20 * @param key pointer to a buffer containing the key blob
21 * @param keylen size of the key blob in bytes
22 * @param protkey pointer to buffer receiving the protected key
23 * @return 0 on success, negative errno value on failure
25 int pkey_keyblob2pkey(const u8 *key, u32 keylen,
26 struct pkey_protkey *protkey);
28 #endif /* _KAPI_PKEY_H */