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crypto/internal.h
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/* * Cryptographic API. * * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
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* Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> |
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* * 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 |
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* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. * */ #ifndef _CRYPTO_INTERNAL_H #define _CRYPTO_INTERNAL_H |
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#include <crypto/algapi.h> |
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#include <linux/completion.h> |
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#include <linux/mm.h> #include <linux/highmem.h> #include <linux/interrupt.h> #include <linux/init.h> |
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#include <linux/list.h> |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/notifier.h> |
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#include <linux/rwsem.h> |
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#include <linux/slab.h> |
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#include <linux/fips.h> |
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/* Crypto notification events. */ enum { CRYPTO_MSG_ALG_REQUEST, CRYPTO_MSG_ALG_REGISTER, CRYPTO_MSG_ALG_UNREGISTER, CRYPTO_MSG_TMPL_REGISTER, CRYPTO_MSG_TMPL_UNREGISTER, }; |
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struct crypto_instance; struct crypto_template; |
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struct crypto_larval { struct crypto_alg alg; struct crypto_alg *adult; struct completion completion; |
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u32 mask; |
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}; |
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extern struct list_head crypto_alg_list; extern struct rw_semaphore crypto_alg_sem; |
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extern struct blocking_notifier_head crypto_chain; |
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#ifdef CONFIG_PROC_FS void __init crypto_init_proc(void); |
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void __exit crypto_exit_proc(void); |
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#else static inline void crypto_init_proc(void) { } |
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static inline void crypto_exit_proc(void) { } |
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#endif |
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static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg) |
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{ |
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return alg->cra_ctxsize; |
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} |
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static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg) |
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{ return alg->cra_ctxsize; } |
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struct crypto_alg *crypto_mod_get(struct crypto_alg *alg); |
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struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask); |
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struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask); |
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int crypto_init_cipher_ops(struct crypto_tfm *tfm); int crypto_init_compress_ops(struct crypto_tfm *tfm); |
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void crypto_exit_cipher_ops(struct crypto_tfm *tfm); void crypto_exit_compress_ops(struct crypto_tfm *tfm); |
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struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask); |
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void crypto_larval_kill(struct crypto_alg *alg); struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask); |
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void crypto_alg_tested(const char *name, int err); |
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void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, struct crypto_alg *nalg); |
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void crypto_remove_final(struct list_head *list); |
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void crypto_shoot_alg(struct crypto_alg *alg); |
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struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, u32 mask); |
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void *crypto_create_tfm(struct crypto_alg *alg, const struct crypto_type *frontend); |
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struct crypto_alg *crypto_find_alg(const char *alg_name, const struct crypto_type *frontend, u32 type, u32 mask); |
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void *crypto_alloc_tfm(const char *alg_name, const struct crypto_type *frontend, u32 type, u32 mask); |
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int crypto_register_notifier(struct notifier_block *nb); int crypto_unregister_notifier(struct notifier_block *nb); |
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int crypto_probing_notify(unsigned long val, void *v); |
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static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg) { atomic_inc(&alg->cra_refcnt); return alg; } |
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static inline void crypto_alg_put(struct crypto_alg *alg) { if (atomic_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy) alg->cra_destroy(alg); } |
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static inline int crypto_tmpl_get(struct crypto_template *tmpl) { return try_module_get(tmpl->module); } static inline void crypto_tmpl_put(struct crypto_template *tmpl) { module_put(tmpl->module); } |
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static inline int crypto_is_larval(struct crypto_alg *alg) { return alg->cra_flags & CRYPTO_ALG_LARVAL; } |
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static inline int crypto_is_dead(struct crypto_alg *alg) { return alg->cra_flags & CRYPTO_ALG_DEAD; } static inline int crypto_is_moribund(struct crypto_alg *alg) { return alg->cra_flags & (CRYPTO_ALG_DEAD | CRYPTO_ALG_DYING); } |
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static inline void crypto_notify(unsigned long val, void *v) |
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{ |
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blocking_notifier_call_chain(&crypto_chain, val, v); |
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} |
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#endif /* _CRYPTO_INTERNAL_H */ |