| /* Asymmetric public-key algorithm definitions |
| * |
| * See Documentation/crypto/asymmetric-keys.txt |
| * |
| * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| |
| #ifndef _LINUX_PUBLIC_KEY_H |
| #define _LINUX_PUBLIC_KEY_H |
| |
| /* |
| * Cryptographic data for the public-key subtype of the asymmetric key type. |
| * |
| * Note that this may include private part of the key as well as the public |
| * part. |
| */ |
| struct public_key { |
| void *key; |
| u32 keylen; |
| const char *id_type; |
| const char *pkey_algo; |
| }; |
| |
| extern void public_key_free(struct public_key *key); |
| |
| /* |
| * Public key cryptography signature data |
| */ |
| struct public_key_signature { |
| struct asymmetric_key_id *auth_ids[2]; |
| u8 *s; /* Signature */ |
| u32 s_size; /* Number of bytes in signature */ |
| u8 *digest; |
| u8 digest_size; /* Number of bytes in digest */ |
| const char *pkey_algo; |
| const char *hash_algo; |
| }; |
| |
| extern void public_key_signature_free(struct public_key_signature *sig); |
| |
| extern struct asymmetric_key_subtype public_key_subtype; |
| |
| struct key; |
| struct key_type; |
| union key_payload; |
| |
| extern int restrict_link_by_signature(struct key *trust_keyring, |
| const struct key_type *type, |
| const union key_payload *payload); |
| |
| extern int verify_signature(const struct key *key, |
| const struct public_key_signature *sig); |
| |
| int public_key_verify_signature(const struct public_key *pkey, |
| const struct public_key_signature *sig); |
| |
| #endif /* _LINUX_PUBLIC_KEY_H */ |