2006-08-21 05:08:13 -06:00
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/*
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* Cryptographic API for algorithms (i.e., low-level API).
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*
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* Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_ALGAPI_H
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#define _CRYPTO_ALGAPI_H
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#include <linux/crypto.h>
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2006-08-06 05:16:34 -06:00
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struct module;
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2006-08-21 08:06:54 -06:00
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struct seq_file;
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struct crypto_type {
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unsigned int (*ctxsize)(struct crypto_alg *alg);
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int (*init)(struct crypto_tfm *tfm);
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void (*exit)(struct crypto_tfm *tfm);
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void (*show)(struct seq_file *m, struct crypto_alg *alg);
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};
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2006-08-06 05:16:34 -06:00
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struct crypto_instance {
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struct crypto_alg alg;
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struct crypto_template *tmpl;
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struct hlist_node list;
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void *__ctx[] CRYPTO_MINALIGN_ATTR;
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};
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struct crypto_template {
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struct list_head list;
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struct hlist_head instances;
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struct module *module;
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struct crypto_instance *(*alloc)(void *param, unsigned int len);
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void (*free)(struct crypto_instance *inst);
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char name[CRYPTO_MAX_ALG_NAME];
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};
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2006-09-20 19:39:29 -06:00
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struct crypto_spawn {
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struct list_head list;
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struct crypto_alg *alg;
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struct crypto_instance *inst;
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};
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2006-08-06 05:16:34 -06:00
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int crypto_register_template(struct crypto_template *tmpl);
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void crypto_unregister_template(struct crypto_template *tmpl);
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struct crypto_template *crypto_lookup_template(const char *name);
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2006-09-20 19:39:29 -06:00
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int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
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struct crypto_instance *inst);
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void crypto_drop_spawn(struct crypto_spawn *spawn);
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struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn);
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2006-08-06 07:10:45 -06:00
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struct crypto_alg *crypto_get_attr_alg(void *param, unsigned int len,
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u32 type, u32 mask);
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struct crypto_instance *crypto_alloc_instance(const char *name,
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struct crypto_alg *alg);
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2006-08-06 05:16:34 -06:00
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static inline void *crypto_instance_ctx(struct crypto_instance *inst)
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{
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return inst->__ctx;
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}
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2006-08-13 04:58:18 -06:00
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static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
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{
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return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
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}
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2006-08-21 05:08:13 -06:00
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#endif /* _CRYPTO_ALGAPI_H */
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