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110 lines
2.9 KiB
110 lines
2.9 KiB
/*
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* Symmetric key ciphers.
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*
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* Copyright (c) 2007 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_INTERNAL_SKCIPHER_H
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#define _CRYPTO_INTERNAL_SKCIPHER_H
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#include <crypto/algapi.h>
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#include <crypto/skcipher.h>
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#include <linux/types.h>
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struct rtattr;
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struct crypto_skcipher_spawn {
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struct crypto_spawn base;
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};
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extern const struct crypto_type crypto_givcipher_type;
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static inline void crypto_set_skcipher_spawn(
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struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
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{
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crypto_set_spawn(&spawn->base, inst);
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}
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int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
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u32 type, u32 mask);
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static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
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{
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crypto_drop_spawn(&spawn->base);
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}
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static inline struct crypto_alg *crypto_skcipher_spawn_alg(
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struct crypto_skcipher_spawn *spawn)
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{
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return spawn->base.alg;
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}
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static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
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struct crypto_skcipher_spawn *spawn)
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{
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return __crypto_ablkcipher_cast(
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crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
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crypto_skcipher_mask(0)));
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}
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int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
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int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
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const char *crypto_default_geniv(const struct crypto_alg *alg);
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struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
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struct rtattr **tb, u32 type,
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u32 mask);
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void skcipher_geniv_free(struct crypto_instance *inst);
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int skcipher_geniv_init(struct crypto_tfm *tfm);
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void skcipher_geniv_exit(struct crypto_tfm *tfm);
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static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
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struct crypto_ablkcipher *geniv)
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{
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return crypto_ablkcipher_crt(geniv)->base;
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}
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static inline int skcipher_enqueue_givcrypt(
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struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
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{
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return ablkcipher_enqueue_request(queue, &request->creq);
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}
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static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
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struct crypto_queue *queue)
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{
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return __crypto_dequeue_request(
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queue, offsetof(struct skcipher_givcrypt_request, creq.base));
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}
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static inline void *skcipher_givcrypt_reqctx(
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struct skcipher_givcrypt_request *req)
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{
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return ablkcipher_request_ctx(&req->creq);
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}
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static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
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int err)
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{
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req->base.complete(&req->base, err);
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}
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static inline void skcipher_givcrypt_complete(
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struct skcipher_givcrypt_request *req, int err)
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{
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ablkcipher_request_complete(&req->creq, err);
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}
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static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
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{
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return req->base.flags;
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}
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#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */
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