[PATCH v0 1/8] hw-bound-key: introducing the generic structure
From: Pankaj Gupta <pankaj.gupta@nxp.com>
Date: 2022-10-06 12:03:12
Also in:
keyrings, linux-crypto, linux-integrity, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Hardware bound keys buffer has additional information, that will be accessed using this new structure. structure members are: - flags, flags for hardware specific information. - key_sz, size of the plain key. Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com> --- include/linux/hw_bound_key.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 include/linux/hw_bound_key.h
diff --git a/include/linux/hw_bound_key.h b/include/linux/hw_bound_key.h
new file mode 100644
index 000000000000..e7f152410438
--- /dev/null
+++ b/include/linux/hw_bound_key.h@@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright 2022 NXP + * Author: Pankaj Gupta <pankaj.gupta@nxp.com> + */ + +#ifndef _HW_BOUND_KEY_H +#define _HW_BOUND_KEY_H + +#include "types.h" + +struct hw_bound_key_info { + /* Key types specific to the hw. [Implementation Defined] + */ + uint8_t flags; + uint8_t reserved; + /* Plain key size. + */ + uint16_t key_sz; +}; + +#define set_hbk_info(hbk_info, hw_flags, key_len) do {\ + hbk_info->flags = hw_flags;\ + hbk_info->key_sz = key_len;\ +} while (0) + +#endif /* _HW_BOUND_KEY_H */
--
2.17.1