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4e8ae72a75
Make the identifier public key and digest algorithm fields text instead of enum. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* Asymmetric public-key algorithm definitions
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*
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* See Documentation/crypto/asymmetric-keys.txt
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*
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* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _LINUX_PUBLIC_KEY_H
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#define _LINUX_PUBLIC_KEY_H
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/*
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* The use to which an asymmetric key is being put.
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*/
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enum key_being_used_for {
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VERIFYING_MODULE_SIGNATURE,
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VERIFYING_FIRMWARE_SIGNATURE,
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VERIFYING_KEXEC_PE_SIGNATURE,
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VERIFYING_KEY_SIGNATURE,
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VERIFYING_KEY_SELF_SIGNATURE,
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VERIFYING_UNSPECIFIED_SIGNATURE,
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NR__KEY_BEING_USED_FOR
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};
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extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR];
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/*
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* Cryptographic data for the public-key subtype of the asymmetric key type.
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*
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* Note that this may include private part of the key as well as the public
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* part.
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*/
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struct public_key {
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void *key;
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u32 keylen;
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const char *id_type;
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const char *pkey_algo;
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};
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extern void public_key_destroy(void *payload);
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/*
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* Public key cryptography signature data
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*/
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struct public_key_signature {
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u8 *s; /* Signature */
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u32 s_size; /* Number of bytes in signature */
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u8 *digest;
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u8 digest_size; /* Number of bytes in digest */
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const char *pkey_algo;
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const char *hash_algo;
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};
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extern struct asymmetric_key_subtype public_key_subtype;
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struct key;
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extern int verify_signature(const struct key *key,
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const struct public_key_signature *sig);
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struct asymmetric_key_id;
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extern struct key *x509_request_asymmetric_key(struct key *keyring,
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const struct asymmetric_key_id *id,
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const struct asymmetric_key_id *skid,
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bool partial);
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int public_key_verify_signature(const struct public_key *pkey,
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const struct public_key_signature *sig);
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#endif /* _LINUX_PUBLIC_KEY_H */
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