Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Cryptographic API for algorithms (i.e., low-level API). |
| 3 | * |
| 4 | * Copyright (c) 2006 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 | #ifndef _CRYPTO_ALGAPI_H |
| 13 | #define _CRYPTO_ALGAPI_H |
| 14 | |
| 15 | #include <linux/crypto.h> |
| 16 | |
Herbert Xu | 4cc7720 | 2006-08-06 21:16:34 +1000 | [diff] [blame^] | 17 | struct module; |
| 18 | |
| 19 | struct crypto_instance { |
| 20 | struct crypto_alg alg; |
| 21 | |
| 22 | struct crypto_template *tmpl; |
| 23 | struct hlist_node list; |
| 24 | |
| 25 | void *__ctx[] CRYPTO_MINALIGN_ATTR; |
| 26 | }; |
| 27 | |
| 28 | struct crypto_template { |
| 29 | struct list_head list; |
| 30 | struct hlist_head instances; |
| 31 | struct module *module; |
| 32 | |
| 33 | struct crypto_instance *(*alloc)(void *param, unsigned int len); |
| 34 | void (*free)(struct crypto_instance *inst); |
| 35 | |
| 36 | char name[CRYPTO_MAX_ALG_NAME]; |
| 37 | }; |
| 38 | |
| 39 | int crypto_register_template(struct crypto_template *tmpl); |
| 40 | void crypto_unregister_template(struct crypto_template *tmpl); |
| 41 | struct crypto_template *crypto_lookup_template(const char *name); |
| 42 | |
| 43 | static inline void *crypto_instance_ctx(struct crypto_instance *inst) |
| 44 | { |
| 45 | return inst->__ctx; |
| 46 | } |
| 47 | |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 48 | #endif /* _CRYPTO_ALGAPI_H */ |
| 49 | |