Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/crypto/algapi.h

Назад
/* SPDX-License-Identifier: GPL-2.0-or-later / / * Cryptographic API for algorithms (i.e., low-level API). * * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au> / #ifndef _CRYPTO_ALGAPI_H #define _CRYPTO_ALGAPI_H #include <linux/crypto.h> #include <linux/list.h> #include <linux/kernel.h> #include <linux/skbuff.h> / * Maximum values for blocksize and alignmask, used to allocate * static buffers that are big enough for any combination of * algs and architectures. Ciphers have a lower maximum size. / #define MAX_ALGAPI_BLOCKSIZE 160 #define MAX_ALGAPI_ALIGNMASK 63 #define MAX_CIPHER_BLOCKSIZE 16 #define MAX_CIPHER_ALIGNMASK 15 struct crypto_aead; struct crypto_instance; struct module; struct rtattr; struct seq_file; struct crypto_type { unsigned int (ctxsize)(struct crypto_alg alg, u32 type, u32 mask); unsigned int (extsize)(struct crypto_alg alg); int (init)(struct crypto_tfm tfm, u32 type, u32 mask); int (init_tfm)(struct crypto_tfm tfm); void (show)(struct seq_file m, struct crypto_alg alg); int (report)(struct sk_buff skb, struct crypto_alg alg); void (free)(struct crypto_instance inst); unsigned int type; unsigned int maskclear; unsigned int maskset; unsigned int tfmsize; }; struct crypto_instance { struct crypto_alg alg; struct crypto_template tmpl; struct hlist_node list; void __ctx[] CRYPTO_MINALIGN_ATTR; }; struct crypto_template { struct list_head list; struct hlist_head instances; struct module module; struct crypto_instance (alloc)(struct rtattr *tb); void (free)(struct crypto_instance inst); int (create)(struct crypto_template tmpl, struct rtattr tb); char name[CRYPTO_MAX_ALG_NAME]; }; struct crypto_spawn { struct list_head list; struct crypto_alg alg; struct crypto_instance inst; const struct crypto_type frontend; u32 mask; }; struct crypto_queue { struct list_head list; struct list_head backlog; unsigned int qlen; unsigned int max_qlen; }; struct scatter_walk { struct scatterlist sg; unsigned int offset; }; struct blkcipher_walk { union { struct { struct page page; unsigned long offset; } phys; struct { u8 page; u8 addr; } virt; } src, dst; struct scatter_walk in; unsigned int nbytes; struct scatter_walk out; unsigned int total; void page; u8 buffer; u8 iv; unsigned int ivsize; int flags; unsigned int walk_blocksize; unsigned int cipher_blocksize; unsigned int alignmask; }; struct ablkcipher_walk { struct { struct page page; unsigned int offset; } src, dst; struct scatter_walk in; unsigned int nbytes; struct scatter_walk out; unsigned int total; struct list_head buffers; u8 iv_buffer; u8 iv; int flags; unsigned int blocksize; }; extern const struct crypto_type crypto_ablkcipher_type; extern const struct crypto_type crypto_blkcipher_type; void crypto_mod_put(struct crypto_alg alg); int crypto_register_template(struct crypto_template tmpl); int crypto_register_templates(struct crypto_template tmpls, int count); void crypto_unregister_template(struct crypto_template tmpl); void crypto_unregister_templates(struct crypto_template tmpls, int count); struct crypto_template crypto_lookup_template(const char name); int crypto_register_instance(struct crypto_template tmpl, struct crypto_instance inst); int crypto_unregister_instance(struct crypto_instance inst); int crypto_init_spawn(struct crypto_spawn spawn, struct crypto_alg alg, struct crypto_instance inst, u32 mask); int crypto_init_spawn2(struct crypto_spawn spawn, struct crypto_alg alg, struct crypto_instance inst, const struct crypto_type frontend); int crypto_grab_spawn(struct crypto_spawn spawn, const char name, u32 type, u32 mask); void crypto_drop_spawn(struct crypto_spawn spawn); struct crypto_tfm crypto_spawn_tfm(struct crypto_spawn spawn, u32 type, u32 mask); void crypto_spawn_tfm2(struct crypto_spawn spawn); static inline void crypto_set_spawn(struct crypto_spawn spawn, struct crypto_instance inst) { spawn->inst = inst; } struct crypto_attr_type crypto_get_attr_type(struct rtattr tb); int crypto_check_attr_type(struct rtattr tb, u32 type); const char crypto_attr_alg_name(struct rtattr rta); struct crypto_alg crypto_attr_alg2(struct rtattr rta, const struct crypto_type frontend, u32 type, u32 mask); static inline struct crypto_alg crypto_attr_alg(struct rtattr rta, u32 type, u32 mask) { return crypto_attr_alg2(rta, NULL, type, mask); } int crypto_attr_u32(struct rtattr rta, u32 num); int crypto_inst_setname(struct crypto_instance inst, const char name, struct crypto_alg alg); void crypto_alloc_instance(const char name, struct crypto_alg alg, unsigned int head); void crypto_init_queue(struct crypto_queue queue, unsigned int max_qlen); int crypto_enqueue_request(struct crypto_queue queue, struct crypto_async_request request); struct crypto_async_request crypto_dequeue_request(struct crypto_queue queue); static inline unsigned int crypto_queue_len(struct crypto_queue queue) { return queue->qlen; } void crypto_inc(u8 a, unsigned int size); void __crypto_xor(u8 dst, const u8 src1, const u8 src2, unsigned int size); static inline void crypto_xor(u8 dst, const u8 src, unsigned int size) { if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && __builtin_constant_p(size) && (size % sizeof(unsigned long)) == 0) { unsigned long d = (unsigned long )dst; unsigned long s = (unsigned long )src; while (size > 0) { d++ ^= s++; size -= sizeof(unsigned long); } } else { __crypto_xor(dst, dst, src, size); } } static inline void crypto_xor_cpy(u8 dst, const u8 src1, const u8 src2, unsigned int size) { if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && __builtin_constant_p(size) && (size % sizeof(unsigned long)) == 0) { unsigned long d = (unsigned long )dst; unsigned long s1 = (unsigned long )src1; unsigned long s2 = (unsigned long )src2; while (size > 0) { d++ = s1++ ^ s2++; size -= sizeof(unsigned long); } } else { __crypto_xor(dst, src1, src2, size); } } int blkcipher_walk_done(struct blkcipher_desc desc, struct blkcipher_walk walk, int err); int blkcipher_walk_virt(struct blkcipher_desc desc, struct blkcipher_walk walk); int blkcipher_walk_phys(struct blkcipher_desc desc, struct blkcipher_walk walk); int blkcipher_walk_virt_block(struct blkcipher_desc desc, struct blkcipher_walk walk, unsigned int blocksize); int blkcipher_aead_walk_virt_block(struct blkcipher_desc desc, struct blkcipher_walk walk, struct crypto_aead tfm, unsigned int blocksize); int ablkcipher_walk_done(struct ablkcipher_request req, struct ablkcipher_walk walk, int err); int ablkcipher_walk_phys(struct ablkcipher_request req, struct ablkcipher_walk walk); void __ablkcipher_walk_complete(struct ablkcipher_walk walk); static inline void crypto_tfm_ctx_aligned(struct crypto_tfm tfm) { return PTR_ALIGN(crypto_tfm_ctx(tfm), crypto_tfm_alg_alignmask(tfm) + 1); } static inline struct crypto_instance crypto_tfm_alg_instance( struct crypto_tfm tfm) { return container_of(tfm->__crt_alg, struct crypto_instance, alg); } static inline void crypto_instance_ctx(struct crypto_instance inst) { return inst->__ctx; } static inline struct ablkcipher_alg crypto_ablkcipher_alg( struct crypto_ablkcipher tfm) { return &crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_ablkcipher; } static inline void crypto_ablkcipher_ctx(struct crypto_ablkcipher tfm) { return crypto_tfm_ctx(&tfm->base); } static inline void crypto_ablkcipher_ctx_aligned(struct crypto_ablkcipher tfm) { return crypto_tfm_ctx_aligned(&tfm->base); } static inline struct crypto_blkcipher crypto_spawn_blkcipher( struct crypto_spawn spawn) { u32 type = CRYPTO_ALG_TYPE_BLKCIPHER; u32 mask = CRYPTO_ALG_TYPE_MASK; return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask)); } static inline void crypto_blkcipher_ctx(struct crypto_blkcipher tfm) { return crypto_tfm_ctx(&tfm->base); } static inline void crypto_blkcipher_ctx_aligned(struct crypto_blkcipher tfm) { return crypto_tfm_ctx_aligned(&tfm->base); } static inline struct crypto_cipher crypto_spawn_cipher( struct crypto_spawn spawn) { u32 type = CRYPTO_ALG_TYPE_CIPHER; u32 mask = CRYPTO_ALG_TYPE_MASK; return __crypto_cipher_cast(crypto_spawn_tfm(spawn, type, mask)); } static inline struct cipher_alg crypto_cipher_alg(struct crypto_cipher tfm) { return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher; } static inline void blkcipher_walk_init(struct blkcipher_walk walk, struct scatterlist dst, struct scatterlist src, unsigned int nbytes) { walk->in.sg = src; walk->out.sg = dst; walk->total = nbytes; } static inline void ablkcipher_walk_init(struct ablkcipher_walk walk, struct scatterlist dst, struct scatterlist src, unsigned int nbytes) { walk->in.sg = src; walk->out.sg = dst; walk->total = nbytes; INIT_LIST_HEAD(&walk->buffers); } static inline void ablkcipher_walk_complete(struct ablkcipher_walk walk) { if (unlikely(!list_empty(&walk->buffers))) __ablkcipher_walk_complete(walk); } static inline struct crypto_async_request crypto_get_backlog( struct crypto_queue queue) { return queue->backlog == &queue->list ? NULL : container_of(queue->backlog, struct crypto_async_request, list); } static inline int ablkcipher_enqueue_request(struct crypto_queue queue, struct ablkcipher_request request) { return crypto_enqueue_request(queue, &request->base); } static inline struct ablkcipher_request ablkcipher_dequeue_request( struct crypto_queue queue) { return ablkcipher_request_cast(crypto_dequeue_request(queue)); } static inline void ablkcipher_request_ctx(struct ablkcipher_request req) { return req->__ctx; } static inline struct crypto_alg crypto_get_attr_alg(struct rtattr tb, u32 type, u32 mask) { return crypto_attr_alg(tb[1], type, mask); } static inline int crypto_requires_off(u32 type, u32 mask, u32 off) { return (type ^ off) & mask & off; } / * Returns CRYPTO_ALG_ASYNC if type/mask requires the use of sync algorithms. * Otherwise returns zero. / static inline int crypto_requires_sync(u32 type, u32 mask) { return crypto_requires_off(type, mask, CRYPTO_ALG_ASYNC); } noinline unsigned long __crypto_memneq(const void a, const void b, size_t size); /* * crypto_memneq - Compare two areas of memory without leaking * timing information. * * @a: One area of memory * @b: Another area of memory * @size: The size of the area. * * Returns 0 when data is equal, 1 otherwise. / static inline int crypto_memneq(const void a, const void b, size_t size) { return __crypto_memneq(a, b, size) != 0UL ? 1 : 0; } static inline void crypto_yield(u32 flags) { if (flags & CRYPTO_TFM_REQ_MAY_SLEEP) cond_resched(); } int crypto_register_notifier(struct notifier_block nb); int crypto_unregister_notifier(struct notifier_block nb); / Crypto notification events. / enum { CRYPTO_MSG_ALG_REQUEST, CRYPTO_MSG_ALG_REGISTER, CRYPTO_MSG_ALG_LOADED, }; #endif / _CRYPTO_ALGAPI_H */

| ver. 1.4 | Github | . | PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 | proxy | phpinfo | Настройка