2 * Symmetric key ciphers.
4 * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
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)
13 #ifndef _CRYPTO_INTERNAL_SKCIPHER_H
14 #define _CRYPTO_INTERNAL_SKCIPHER_H
16 #include <crypto/algapi.h>
17 #include <crypto/skcipher.h>
18 #include <linux/types.h>
22 struct crypto_skcipher_spawn {
23 struct crypto_spawn base;
26 extern const struct crypto_type crypto_givcipher_type;
28 static inline void crypto_set_skcipher_spawn(
29 struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
31 crypto_set_spawn(&spawn->base, inst);
34 int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
37 static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
39 crypto_drop_spawn(&spawn->base);
42 static inline struct crypto_alg *crypto_skcipher_spawn_alg(
43 struct crypto_skcipher_spawn *spawn)
45 return spawn->base.alg;
48 static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
49 struct crypto_skcipher_spawn *spawn)
51 return __crypto_ablkcipher_cast(
52 crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
53 crypto_skcipher_mask(0)));
56 int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
57 int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
58 const char *crypto_default_geniv(const struct crypto_alg *alg);
60 struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
61 struct rtattr **tb, u32 type,
63 void skcipher_geniv_free(struct crypto_instance *inst);
64 int skcipher_geniv_init(struct crypto_tfm *tfm);
65 void skcipher_geniv_exit(struct crypto_tfm *tfm);
67 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
68 struct crypto_ablkcipher *geniv)
70 return crypto_ablkcipher_crt(geniv)->base;
73 static inline int skcipher_enqueue_givcrypt(
74 struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
76 return ablkcipher_enqueue_request(queue, &request->creq);
79 static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
80 struct crypto_queue *queue)
82 return container_of(ablkcipher_dequeue_request(queue),
83 struct skcipher_givcrypt_request, creq);
86 static inline void *skcipher_givcrypt_reqctx(
87 struct skcipher_givcrypt_request *req)
89 return ablkcipher_request_ctx(&req->creq);
92 static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
95 req->base.complete(&req->base, err);
98 static inline void skcipher_givcrypt_complete(
99 struct skcipher_givcrypt_request *req, int err)
101 ablkcipher_request_complete(&req->creq, err);
104 static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
106 return req->base.flags;
109 #endif /* _CRYPTO_INTERNAL_SKCIPHER_H */