tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Symmetric key ciphers.
3 *
4 * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
9 * any later version.
10 *
11 */
12
13#ifndef _CRYPTO_INTERNAL_SKCIPHER_H
14#define _CRYPTO_INTERNAL_SKCIPHER_H
15
16#include <crypto/algapi.h>
17#include <crypto/skcipher.h>
18#include <linux/types.h>
19
20struct rtattr;
21
22struct crypto_skcipher_spawn {
23 struct crypto_spawn base;
24};
25
26extern const struct crypto_type crypto_givcipher_type;
27
28static inline void crypto_set_skcipher_spawn(
29 struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
30{
31 crypto_set_spawn(&spawn->base, inst);
32}
33
34int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
35 u32 type, u32 mask);
36
37static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
38{
39 crypto_drop_spawn(&spawn->base);
40}
41
42static inline struct crypto_alg *crypto_skcipher_spawn_alg(
43 struct crypto_skcipher_spawn *spawn)
44{
45 return spawn->base.alg;
46}
47
48static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
49 struct crypto_skcipher_spawn *spawn)
50{
51 return __crypto_ablkcipher_cast(
52 crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
53 crypto_skcipher_mask(0)));
54}
55
56int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
57int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
58const char *crypto_default_geniv(const struct crypto_alg *alg);
59
60struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
61 struct rtattr **tb, u32 type,
62 u32 mask);
63void skcipher_geniv_free(struct crypto_instance *inst);
64int skcipher_geniv_init(struct crypto_tfm *tfm);
65void skcipher_geniv_exit(struct crypto_tfm *tfm);
66
67static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
68 struct crypto_ablkcipher *geniv)
69{
70 return crypto_ablkcipher_crt(geniv)->base;
71}
72
73static inline int skcipher_enqueue_givcrypt(
74 struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
75{
76 return ablkcipher_enqueue_request(queue, &request->creq);
77}
78
79static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
80 struct crypto_queue *queue)
81{
82 return __crypto_dequeue_request(
83 queue, offsetof(struct skcipher_givcrypt_request, creq.base));
84}
85
86static inline void *skcipher_givcrypt_reqctx(
87 struct skcipher_givcrypt_request *req)
88{
89 return ablkcipher_request_ctx(&req->creq);
90}
91
92static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
93 int err)
94{
95 req->base.complete(&req->base, err);
96}
97
98static inline void skcipher_givcrypt_complete(
99 struct skcipher_givcrypt_request *req, int err)
100{
101 ablkcipher_request_complete(&req->creq, err);
102}
103
104static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
105{
106 return req->base.flags;
107}
108
109#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */
110