Herbert Xu | 378f4f5 | 2007-12-17 20:07:31 +0800 | [diff] [blame] | 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> |
Herbert Xu | 61da88e | 2007-12-17 21:51:27 +0800 | [diff] [blame] | 17 | #include <crypto/skcipher.h> |
Herbert Xu | ecfc432 | 2007-12-05 21:08:36 +1100 | [diff] [blame] | 18 | #include <linux/types.h> |
| 19 | |
| 20 | struct rtattr; |
Herbert Xu | 378f4f5 | 2007-12-17 20:07:31 +0800 | [diff] [blame] | 21 | |
| 22 | struct crypto_skcipher_spawn { |
| 23 | struct crypto_spawn base; |
| 24 | }; |
| 25 | |
Herbert Xu | 61da88e | 2007-12-17 21:51:27 +0800 | [diff] [blame] | 26 | extern const struct crypto_type crypto_givcipher_type; |
| 27 | |
Herbert Xu | 378f4f5 | 2007-12-17 20:07:31 +0800 | [diff] [blame] | 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 | |
Steffen Klassert | 1e12299 | 2012-03-29 09:03:47 +0200 | [diff] [blame] | 37 | struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask); |
| 38 | |
Herbert Xu | 378f4f5 | 2007-12-17 20:07:31 +0800 | [diff] [blame] | 39 | static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn) |
| 40 | { |
| 41 | crypto_drop_spawn(&spawn->base); |
| 42 | } |
| 43 | |
| 44 | static inline struct crypto_alg *crypto_skcipher_spawn_alg( |
| 45 | struct crypto_skcipher_spawn *spawn) |
| 46 | { |
| 47 | return spawn->base.alg; |
| 48 | } |
| 49 | |
| 50 | static inline struct crypto_ablkcipher *crypto_spawn_skcipher( |
| 51 | struct crypto_skcipher_spawn *spawn) |
| 52 | { |
| 53 | return __crypto_ablkcipher_cast( |
| 54 | crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0), |
| 55 | crypto_skcipher_mask(0))); |
| 56 | } |
| 57 | |
Herbert Xu | b9c55aa | 2007-12-04 12:46:48 +1100 | [diff] [blame] | 58 | int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req); |
| 59 | int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req); |
Herbert Xu | ecfc432 | 2007-12-05 21:08:36 +1100 | [diff] [blame] | 60 | const char *crypto_default_geniv(const struct crypto_alg *alg); |
| 61 | |
| 62 | struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl, |
| 63 | struct rtattr **tb, u32 type, |
| 64 | u32 mask); |
| 65 | void skcipher_geniv_free(struct crypto_instance *inst); |
| 66 | int skcipher_geniv_init(struct crypto_tfm *tfm); |
| 67 | void skcipher_geniv_exit(struct crypto_tfm *tfm); |
| 68 | |
| 69 | static inline struct crypto_ablkcipher *skcipher_geniv_cipher( |
| 70 | struct crypto_ablkcipher *geniv) |
| 71 | { |
| 72 | return crypto_ablkcipher_crt(geniv)->base; |
| 73 | } |
| 74 | |
Herbert Xu | e7cd251 | 2007-12-14 22:28:14 +0800 | [diff] [blame] | 75 | static inline int skcipher_enqueue_givcrypt( |
| 76 | struct crypto_queue *queue, struct skcipher_givcrypt_request *request) |
| 77 | { |
| 78 | return ablkcipher_enqueue_request(queue, &request->creq); |
| 79 | } |
| 80 | |
| 81 | static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt( |
| 82 | struct crypto_queue *queue) |
| 83 | { |
Marek Vasut | d656c18 | 2014-05-26 18:51:48 +0200 | [diff] [blame] | 84 | return skcipher_givcrypt_cast(crypto_dequeue_request(queue)); |
Herbert Xu | e7cd251 | 2007-12-14 22:28:14 +0800 | [diff] [blame] | 85 | } |
| 86 | |
Herbert Xu | 61da88e | 2007-12-17 21:51:27 +0800 | [diff] [blame] | 87 | static inline void *skcipher_givcrypt_reqctx( |
| 88 | struct skcipher_givcrypt_request *req) |
| 89 | { |
| 90 | return ablkcipher_request_ctx(&req->creq); |
| 91 | } |
| 92 | |
Herbert Xu | 15c6728 | 2007-11-30 20:17:28 +1100 | [diff] [blame] | 93 | static inline void ablkcipher_request_complete(struct ablkcipher_request *req, |
| 94 | int err) |
| 95 | { |
| 96 | req->base.complete(&req->base, err); |
| 97 | } |
| 98 | |
| 99 | static inline void skcipher_givcrypt_complete( |
| 100 | struct skcipher_givcrypt_request *req, int err) |
| 101 | { |
| 102 | ablkcipher_request_complete(&req->creq, err); |
| 103 | } |
| 104 | |
Herbert Xu | 3631c65 | 2007-12-13 22:28:59 +0800 | [diff] [blame] | 105 | static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req) |
| 106 | { |
| 107 | return req->base.flags; |
| 108 | } |
| 109 | |
Herbert Xu | 378f4f5 | 2007-12-17 20:07:31 +0800 | [diff] [blame] | 110 | #endif /* _CRYPTO_INTERNAL_SKCIPHER_H */ |
| 111 | |