Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ]
Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 
 20 struct rtattr;
 21 
 22 struct crypto_skcipher_spawn {
 23         struct crypto_spawn base;
 24 };
 25 
 26 extern const struct crypto_type crypto_givcipher_type;
 27 
 28 static 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 
 34 int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
 35                          u32 type, u32 mask);
 36 
 37 static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
 38 {
 39         crypto_drop_spawn(&spawn->base);
 40 }
 41 
 42 static inline struct crypto_alg *crypto_skcipher_spawn_alg(
 43         struct crypto_skcipher_spawn *spawn)
 44 {
 45         return spawn->base.alg;
 46 }
 47 
 48 static 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 
 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);
 59 
 60 struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
 61                                              struct rtattr **tb, u32 type,
 62                                              u32 mask);
 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);
 66 
 67 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
 68         struct crypto_ablkcipher *geniv)
 69 {
 70         return crypto_ablkcipher_crt(geniv)->base;
 71 }
 72 
 73 static 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 
 79 static 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 
 86 static inline void *skcipher_givcrypt_reqctx(
 87         struct skcipher_givcrypt_request *req)
 88 {
 89         return ablkcipher_request_ctx(&req->creq);
 90 }
 91 
 92 static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
 93                                                int err)
 94 {
 95         req->base.complete(&req->base, err);
 96 }
 97 
 98 static inline void skcipher_givcrypt_complete(
 99         struct skcipher_givcrypt_request *req, int err)
100 {
101         ablkcipher_request_complete(&req->creq, err);
102 }
103 
104 static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
105 {
106         return req->base.flags;
107 }
108 
109 #endif  /* _CRYPTO_INTERNAL_SKCIPHER_H */
110 
111 
  This page was automatically generated by the LXR engine.