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