/* SPDX-License-Identifier: GPL-2.0 */ /* * Kernelspace interface to the pkey device driver * * Copyright IBM Corp . 2016 , 2023 * * Author : Harald Freudenberger < freude @ de . ibm . com > * #ifndef _KAPI_PKEY_H#define _KAPI_PKEY_H#include <linux/ioctl.h>#include <linux/types.h>#include <uapi/asm /pkey.h>/* * In - kernel API : Transform an key blob ( of any type ) into a protected key . * @ param key pointer to a buffer containing the key blob * @ param keylen size of the key blob in bytes * @ param protkey pointer to buffer receiving the protected key * @ param xflags additional execution flags ( see PKEY_XFLAG_ * definitions below ) * As of now the only supported flag is PKEY_XFLAG_NOMEMALLOC . * @ return 0 on success , negative errno value on failure int pkey_key2protkey(const u8 *key, u32 keylen,/* * If this flag is given in the xflags parameter , the pkey implementation * is not allowed to allocate memory but instead should fall back to use * preallocated memory or simple fail with - ENOMEM . * This flag is for protected key derive within a cipher or similar * which must not allocate memory which would cause io operations - see * also the CRYPTO_ALG_ALLOCATES_MEMORY flag in crypto . h . #define PKEY_XFLAG_NOMEMALLOC 0 x0001#endif /* _KAPI_PKEY_H */
Messung V0.5 in Prozent C=89 H=34 G=67
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