/* * Symmetric key ciphers. * * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * */ #ifndef _CRYPTO_INTERNAL_SKCIPHER_H #define _CRYPTO_INTERNAL_SKCIPHER_H #include <crypto/algapi.h> #include <crypto/skcipher.h> #include <linux/types.h> struct rtattr; struct crypto_skcipher_spawn { struct crypto_spawn base; }; extern const struct crypto_type crypto_givcipher_type; static inline void crypto_set_skcipher_spawn( struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst) { crypto_set_spawn(&spawn->base, inst); } int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name, u32 type, u32 mask); struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask); static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn) { crypto_drop_spawn(&spawn->base); } static inline struct crypto_alg *crypto_skcipher_spawn_alg( struct crypto_skcipher_spawn *spawn) { return spawn->base.alg; } static inline struct crypto_ablkcipher *crypto_spawn_skcipher( struct crypto_skcipher_spawn *spawn) { return __crypto_ablkcipher_cast( crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0), crypto_skcipher_mask(0))); } int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req); int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req); const char *crypto_default_geniv(const struct crypto_alg *alg); struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl, struct rtattr **tb, u32 type, u32 mask); void skcipher_geniv_free(struct crypto_instance *inst); int skcipher_geniv_init(struct crypto_tfm *tfm); void skcipher_geniv_exit(struct crypto_tfm *tfm); static inline struct crypto_ablkcipher *skcipher_geniv_cipher( struct crypto_ablkcipher *geniv) { return crypto_ablkcipher_crt(geniv)->base; } static inline int skcipher_enqueue_givcrypt( struct crypto_queue *queue, struct skcipher_givcrypt_request *request) { return ablkcipher_enqueue_request(queue, &request->creq); } static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt( struct crypto_queue *queue) { return __crypto_dequeue_request( queue, offsetof(struct skcipher_givcrypt_request, creq.base)); } static inline void *skcipher_givcrypt_reqctx( struct skcipher_givcrypt_request *req) { return ablkcipher_request_ctx(&req->creq); } static inline void ablkcipher_request_complete(struct ablkcipher_request *req, int err) { req->base.complete(&req->base, err); } static inline void skcipher_givcrypt_complete( struct skcipher_givcrypt_request *req, int err) { ablkcipher_request_complete(&req->creq, err); } static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req) { return req->base.flags; } #endif /* _CRYPTO_INTERNAL_SKCIPHER_H */