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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /* Signature verification
- *
- * Copyright (C) 2014 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- */
- #ifndef _LINUX_VERIFICATION_H
- #define _LINUX_VERIFICATION_H
- /*
- * Indicate that both builtin trusted keys and secondary trusted keys
- * should be used.
- */
- #define VERIFY_USE_SECONDARY_KEYRING ((struct key *)1UL)
- #define VERIFY_USE_PLATFORM_KEYRING ((struct key *)2UL)
- /*
- * The use to which an asymmetric key is being put.
- */
- enum key_being_used_for {
- VERIFYING_MODULE_SIGNATURE,
- VERIFYING_FIRMWARE_SIGNATURE,
- VERIFYING_KEXEC_PE_SIGNATURE,
- VERIFYING_KEY_SIGNATURE,
- VERIFYING_KEY_SELF_SIGNATURE,
- VERIFYING_UNSPECIFIED_SIGNATURE,
- NR__KEY_BEING_USED_FOR
- };
- extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR];
- #ifdef CONFIG_SYSTEM_DATA_VERIFICATION
- struct key;
- struct pkcs7_message;
- extern int verify_pkcs7_signature(const void *data, size_t len,
- const void *raw_pkcs7, size_t pkcs7_len,
- struct key *trusted_keys,
- enum key_being_used_for usage,
- int (*view_content)(void *ctx,
- const void *data, size_t len,
- size_t asn1hdrlen),
- void *ctx);
- extern int verify_pkcs7_message_sig(const void *data, size_t len,
- struct pkcs7_message *pkcs7,
- struct key *trusted_keys,
- enum key_being_used_for usage,
- int (*view_content)(void *ctx,
- const void *data,
- size_t len,
- size_t asn1hdrlen),
- void *ctx);
- #ifdef CONFIG_SIGNED_PE_FILE_VERIFICATION
- extern int verify_pefile_signature(const void *pebuf, unsigned pelen,
- struct key *trusted_keys,
- enum key_being_used_for usage);
- #endif
- #endif /* CONFIG_SYSTEM_DATA_VERIFICATION */
- #endif /* _LINUX_VERIFY_PEFILE_H */
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