/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2011 Nokia Corporation
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* Copyright (C) 2011 Intel Corporation
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*
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* Author:
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* Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
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* <dmitry.kasatkin@intel.com>
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*/
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#ifndef _DIGSIG_H
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#define _DIGSIG_H
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#include <linux/key.h>
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enum pubkey_algo {
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PUBKEY_ALGO_RSA,
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PUBKEY_ALGO_MAX,
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};
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enum digest_algo {
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DIGEST_ALGO_SHA1,
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DIGEST_ALGO_SHA256,
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DIGEST_ALGO_MAX
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};
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struct pubkey_hdr {
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uint8_t version; /* key format version */
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uint32_t timestamp; /* key made, always 0 for now */
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uint8_t algo;
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uint8_t nmpi;
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char mpi[];
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} __packed;
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struct signature_hdr {
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uint8_t version; /* signature format version */
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uint32_t timestamp; /* signature made */
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uint8_t algo;
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uint8_t hash;
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uint8_t keyid[8];
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uint8_t nmpi;
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char mpi[];
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} __packed;
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#if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE)
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int digsig_verify(struct key *keyring, const char *sig, int siglen,
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const char *digest, int digestlen);
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#else
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static inline int digsig_verify(struct key *keyring, const char *sig,
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int siglen, const char *digest, int digestlen)
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{
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return -EOPNOTSUPP;
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}
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#endif /* CONFIG_SIGNATURE */
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#endif /* _DIGSIG_H */
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