diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/crypto.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/crypto.h | 1287 |
1 files changed, 0 insertions, 1287 deletions
diff --git a/ANDROID_3.4.5/include/linux/crypto.h b/ANDROID_3.4.5/include/linux/crypto.h deleted file mode 100644 index b92eadf9..00000000 --- a/ANDROID_3.4.5/include/linux/crypto.h +++ /dev/null @@ -1,1287 +0,0 @@ -/* - * Scatterlist Cryptographic API. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * Copyright (c) 2002 David S. Miller (davem@redhat.com) - * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> - * - * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> - * and Nettle, by Niels Möller. - * - * 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 _LINUX_CRYPTO_H -#define _LINUX_CRYPTO_H - -#include <linux/atomic.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/bug.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/uaccess.h> - -/* - * Algorithm masks and types. - */ -#define CRYPTO_ALG_TYPE_MASK 0x0000000f -#define CRYPTO_ALG_TYPE_CIPHER 0x00000001 -#define CRYPTO_ALG_TYPE_COMPRESS 0x00000002 -#define CRYPTO_ALG_TYPE_AEAD 0x00000003 -#define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 -#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 -#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 -#define CRYPTO_ALG_TYPE_DIGEST 0x00000008 -#define CRYPTO_ALG_TYPE_HASH 0x00000008 -#define CRYPTO_ALG_TYPE_SHASH 0x00000009 -#define CRYPTO_ALG_TYPE_AHASH 0x0000000a -#define CRYPTO_ALG_TYPE_RNG 0x0000000c -#define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f - -#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e -#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c -#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c - -#define CRYPTO_ALG_LARVAL 0x00000010 -#define CRYPTO_ALG_DEAD 0x00000020 -#define CRYPTO_ALG_DYING 0x00000040 -#define CRYPTO_ALG_ASYNC 0x00000080 - -/* - * Set this bit if and only if the algorithm requires another algorithm of - * the same type to handle corner cases. - */ -#define CRYPTO_ALG_NEED_FALLBACK 0x00000100 - -/* - * This bit is set for symmetric key ciphers that have already been wrapped - * with a generic IV generator to prevent them from being wrapped again. - */ -#define CRYPTO_ALG_GENIV 0x00000200 - -/* - * Set if the algorithm has passed automated run-time testing. Note that - * if there is no run-time testing for a given algorithm it is considered - * to have passed. - */ - -#define CRYPTO_ALG_TESTED 0x00000400 - -/* - * Set if the algorithm is an instance that is build from templates. - */ -#define CRYPTO_ALG_INSTANCE 0x00000800 - -/* Set this bit if the algorithm provided is hardware accelerated but - * not available to userspace via instruction set or so. - */ -#define CRYPTO_ALG_KERN_DRIVER_ONLY 0x00001000 - -/* - * Transform masks and values (for crt_flags). - */ -#define CRYPTO_TFM_REQ_MASK 0x000fff00 -#define CRYPTO_TFM_RES_MASK 0xfff00000 - -#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 -#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 -#define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 -#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 -#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 -#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 -#define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 -#define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 - -/* - * Miscellaneous stuff. - */ -#define CRYPTO_MAX_ALG_NAME 64 - -/* - * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual - * declaration) is used to ensure that the crypto_tfm context structure is - * aligned correctly for the given architecture so that there are no alignment - * faults for C data types. In particular, this is required on platforms such - * as arm where pointers are 32-bit aligned but there are data types such as - * u64 which require 64-bit alignment. - */ -#define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN - -#define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) - -struct scatterlist; -struct crypto_ablkcipher; -struct crypto_async_request; -struct crypto_aead; -struct crypto_blkcipher; -struct crypto_hash; -struct crypto_rng; -struct crypto_tfm; -struct crypto_type; -struct aead_givcrypt_request; -struct skcipher_givcrypt_request; - -typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); - -struct crypto_async_request { - struct list_head list; - crypto_completion_t complete; - void *data; - struct crypto_tfm *tfm; - - u32 flags; -}; - -struct ablkcipher_request { - struct crypto_async_request base; - - unsigned int nbytes; - - void *info; - - struct scatterlist *src; - struct scatterlist *dst; - - void *__ctx[] CRYPTO_MINALIGN_ATTR; -}; - -/** - * struct aead_request - AEAD request - * @base: Common attributes for async crypto requests - * @assoclen: Length in bytes of associated data for authentication - * @cryptlen: Length of data to be encrypted or decrypted - * @iv: Initialisation vector - * @assoc: Associated data - * @src: Source data - * @dst: Destination data - * @__ctx: Start of private context data - */ -struct aead_request { - struct crypto_async_request base; - - unsigned int assoclen; - unsigned int cryptlen; - - u8 *iv; - - struct scatterlist *assoc; - struct scatterlist *src; - struct scatterlist *dst; - - void *__ctx[] CRYPTO_MINALIGN_ATTR; -}; - -struct blkcipher_desc { - struct crypto_blkcipher *tfm; - void *info; - u32 flags; -}; - -struct cipher_desc { - struct crypto_tfm *tfm; - void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, - const u8 *src, unsigned int nbytes); - void *info; -}; - -struct hash_desc { - struct crypto_hash *tfm; - u32 flags; -}; - -/* - * Algorithms: modular crypto algorithm implementations, managed - * via crypto_register_alg() and crypto_unregister_alg(). - */ -struct ablkcipher_alg { - int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, - unsigned int keylen); - int (*encrypt)(struct ablkcipher_request *req); - int (*decrypt)(struct ablkcipher_request *req); - int (*givencrypt)(struct skcipher_givcrypt_request *req); - int (*givdecrypt)(struct skcipher_givcrypt_request *req); - - const char *geniv; - - unsigned int min_keysize; - unsigned int max_keysize; - unsigned int ivsize; -}; - -struct aead_alg { - int (*setkey)(struct crypto_aead *tfm, const u8 *key, - unsigned int keylen); - int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); - int (*encrypt)(struct aead_request *req); - int (*decrypt)(struct aead_request *req); - int (*givencrypt)(struct aead_givcrypt_request *req); - int (*givdecrypt)(struct aead_givcrypt_request *req); - - const char *geniv; - - unsigned int ivsize; - unsigned int maxauthsize; -}; - -struct blkcipher_alg { - int (*setkey)(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen); - int (*encrypt)(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes); - int (*decrypt)(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes); - - const char *geniv; - - unsigned int min_keysize; - unsigned int max_keysize; - unsigned int ivsize; -}; - -struct cipher_alg { - unsigned int cia_min_keysize; - unsigned int cia_max_keysize; - int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen); - void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); -}; - -struct compress_alg { - int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen); - int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen); -}; - -struct rng_alg { - int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, - unsigned int dlen); - int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); - - unsigned int seedsize; -}; - - -#define cra_ablkcipher cra_u.ablkcipher -#define cra_aead cra_u.aead -#define cra_blkcipher cra_u.blkcipher -#define cra_cipher cra_u.cipher -#define cra_compress cra_u.compress -#define cra_rng cra_u.rng - -struct crypto_alg { - struct list_head cra_list; - struct list_head cra_users; - - u32 cra_flags; - unsigned int cra_blocksize; - unsigned int cra_ctxsize; - unsigned int cra_alignmask; - - int cra_priority; - atomic_t cra_refcnt; - - char cra_name[CRYPTO_MAX_ALG_NAME]; - char cra_driver_name[CRYPTO_MAX_ALG_NAME]; - - const struct crypto_type *cra_type; - - union { - struct ablkcipher_alg ablkcipher; - struct aead_alg aead; - struct blkcipher_alg blkcipher; - struct cipher_alg cipher; - struct compress_alg compress; - struct rng_alg rng; - } cra_u; - - int (*cra_init)(struct crypto_tfm *tfm); - void (*cra_exit)(struct crypto_tfm *tfm); - void (*cra_destroy)(struct crypto_alg *alg); - - struct module *cra_module; -}; - -/* - * Algorithm registration interface. - */ -int crypto_register_alg(struct crypto_alg *alg); -int crypto_unregister_alg(struct crypto_alg *alg); -int crypto_register_algs(struct crypto_alg *algs, int count); -int crypto_unregister_algs(struct crypto_alg *algs, int count); - -/* - * Algorithm query interface. - */ -int crypto_has_alg(const char *name, u32 type, u32 mask); - -/* - * Transforms: user-instantiated objects which encapsulate algorithms - * and core processing logic. Managed via crypto_alloc_*() and - * crypto_free_*(), as well as the various helpers below. - */ - -struct ablkcipher_tfm { - int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, - unsigned int keylen); - int (*encrypt)(struct ablkcipher_request *req); - int (*decrypt)(struct ablkcipher_request *req); - int (*givencrypt)(struct skcipher_givcrypt_request *req); - int (*givdecrypt)(struct skcipher_givcrypt_request *req); - - struct crypto_ablkcipher *base; - - unsigned int ivsize; - unsigned int reqsize; -}; - -struct aead_tfm { - int (*setkey)(struct crypto_aead *tfm, const u8 *key, - unsigned int keylen); - int (*encrypt)(struct aead_request *req); - int (*decrypt)(struct aead_request *req); - int (*givencrypt)(struct aead_givcrypt_request *req); - int (*givdecrypt)(struct aead_givcrypt_request *req); - - struct crypto_aead *base; - - unsigned int ivsize; - unsigned int authsize; - unsigned int reqsize; -}; - -struct blkcipher_tfm { - void *iv; - int (*setkey)(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen); - int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes); - int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes); -}; - -struct cipher_tfm { - int (*cit_setkey)(struct crypto_tfm *tfm, - const u8 *key, unsigned int keylen); - void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); -}; - -struct hash_tfm { - int (*init)(struct hash_desc *desc); - int (*update)(struct hash_desc *desc, - struct scatterlist *sg, unsigned int nsg); - int (*final)(struct hash_desc *desc, u8 *out); - int (*digest)(struct hash_desc *desc, struct scatterlist *sg, - unsigned int nsg, u8 *out); - int (*setkey)(struct crypto_hash *tfm, const u8 *key, - unsigned int keylen); - unsigned int digestsize; -}; - -struct compress_tfm { - int (*cot_compress)(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); - int (*cot_decompress)(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); -}; - -struct rng_tfm { - int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, - unsigned int dlen); - int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); -}; - -#define crt_ablkcipher crt_u.ablkcipher -#define crt_aead crt_u.aead -#define crt_blkcipher crt_u.blkcipher -#define crt_cipher crt_u.cipher -#define crt_hash crt_u.hash -#define crt_compress crt_u.compress -#define crt_rng crt_u.rng - -struct crypto_tfm { - - u32 crt_flags; - - union { - struct ablkcipher_tfm ablkcipher; - struct aead_tfm aead; - struct blkcipher_tfm blkcipher; - struct cipher_tfm cipher; - struct hash_tfm hash; - struct compress_tfm compress; - struct rng_tfm rng; - } crt_u; - - void (*exit)(struct crypto_tfm *tfm); - - struct crypto_alg *__crt_alg; - - void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; -}; - -struct crypto_ablkcipher { - struct crypto_tfm base; -}; - -struct crypto_aead { - struct crypto_tfm base; -}; - -struct crypto_blkcipher { - struct crypto_tfm base; -}; - -struct crypto_cipher { - struct crypto_tfm base; -}; - -struct crypto_comp { - struct crypto_tfm base; -}; - -struct crypto_hash { - struct crypto_tfm base; -}; - -struct crypto_rng { - struct crypto_tfm base; -}; - -enum { - CRYPTOA_UNSPEC, - CRYPTOA_ALG, - CRYPTOA_TYPE, - CRYPTOA_U32, - __CRYPTOA_MAX, -}; - -#define CRYPTOA_MAX (__CRYPTOA_MAX - 1) - -/* Maximum number of (rtattr) parameters for each template. */ -#define CRYPTO_MAX_ATTRS 32 - -struct crypto_attr_alg { - char name[CRYPTO_MAX_ALG_NAME]; -}; - -struct crypto_attr_type { - u32 type; - u32 mask; -}; - -struct crypto_attr_u32 { - u32 num; -}; - -/* - * Transform user interface. - */ - -struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); -void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); - -static inline void crypto_free_tfm(struct crypto_tfm *tfm) -{ - return crypto_destroy_tfm(tfm, tfm); -} - -int alg_test(const char *driver, const char *alg, u32 type, u32 mask); - -/* - * Transform helpers which query the underlying algorithm. - */ -static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_name; -} - -static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_driver_name; -} - -static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_priority; -} - -static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; -} - -static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_blocksize; -} - -static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) -{ - return tfm->__crt_alg->cra_alignmask; -} - -static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) -{ - return tfm->crt_flags; -} - -static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) -{ - tfm->crt_flags |= flags; -} - -static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) -{ - tfm->crt_flags &= ~flags; -} - -static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) -{ - return tfm->__crt_ctx; -} - -static inline unsigned int crypto_tfm_ctx_alignment(void) -{ - struct crypto_tfm *tfm; - return __alignof__(tfm->__crt_ctx); -} - -/* - * API wrappers. - */ -static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( - struct crypto_tfm *tfm) -{ - return (struct crypto_ablkcipher *)tfm; -} - -static inline u32 crypto_skcipher_type(u32 type) -{ - type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); - type |= CRYPTO_ALG_TYPE_BLKCIPHER; - return type; -} - -static inline u32 crypto_skcipher_mask(u32 mask) -{ - mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); - mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; - return mask; -} - -struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, - u32 type, u32 mask); - -static inline struct crypto_tfm *crypto_ablkcipher_tfm( - struct crypto_ablkcipher *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) -{ - crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); -} - -static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, - u32 mask) -{ - return crypto_has_alg(alg_name, crypto_skcipher_type(type), - crypto_skcipher_mask(mask)); -} - -static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( - struct crypto_ablkcipher *tfm) -{ - return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; -} - -static inline unsigned int crypto_ablkcipher_ivsize( - struct crypto_ablkcipher *tfm) -{ - return crypto_ablkcipher_crt(tfm)->ivsize; -} - -static inline unsigned int crypto_ablkcipher_blocksize( - struct crypto_ablkcipher *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); -} - -static inline unsigned int crypto_ablkcipher_alignmask( - struct crypto_ablkcipher *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); -} - -static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) -{ - return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); -} - -static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, - u32 flags) -{ - crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); -} - -static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, - u32 flags) -{ - crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); -} - -static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, - const u8 *key, unsigned int keylen) -{ - struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); - - return crt->setkey(crt->base, key, keylen); -} - -static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( - struct ablkcipher_request *req) -{ - return __crypto_ablkcipher_cast(req->base.tfm); -} - -static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) -{ - struct ablkcipher_tfm *crt = - crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); - return crt->encrypt(req); -} - -static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) -{ - struct ablkcipher_tfm *crt = - crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); - return crt->decrypt(req); -} - -static inline unsigned int crypto_ablkcipher_reqsize( - struct crypto_ablkcipher *tfm) -{ - return crypto_ablkcipher_crt(tfm)->reqsize; -} - -static inline void ablkcipher_request_set_tfm( - struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) -{ - req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); -} - -static inline struct ablkcipher_request *ablkcipher_request_cast( - struct crypto_async_request *req) -{ - return container_of(req, struct ablkcipher_request, base); -} - -static inline struct ablkcipher_request *ablkcipher_request_alloc( - struct crypto_ablkcipher *tfm, gfp_t gfp) -{ - struct ablkcipher_request *req; - - req = kmalloc(sizeof(struct ablkcipher_request) + - crypto_ablkcipher_reqsize(tfm), gfp); - - if (likely(req)) - ablkcipher_request_set_tfm(req, tfm); - - return req; -} - -static inline void ablkcipher_request_free(struct ablkcipher_request *req) -{ - kzfree(req); -} - -static inline void ablkcipher_request_set_callback( - struct ablkcipher_request *req, - u32 flags, crypto_completion_t complete, void *data) -{ - req->base.complete = complete; - req->base.data = data; - req->base.flags = flags; -} - -static inline void ablkcipher_request_set_crypt( - struct ablkcipher_request *req, - struct scatterlist *src, struct scatterlist *dst, - unsigned int nbytes, void *iv) -{ - req->src = src; - req->dst = dst; - req->nbytes = nbytes; - req->info = iv; -} - -static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_aead *)tfm; -} - -struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); - -static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_aead(struct crypto_aead *tfm) -{ - crypto_free_tfm(crypto_aead_tfm(tfm)); -} - -static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) -{ - return &crypto_aead_tfm(tfm)->crt_aead; -} - -static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) -{ - return crypto_aead_crt(tfm)->ivsize; -} - -static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) -{ - return crypto_aead_crt(tfm)->authsize; -} - -static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); -} - -static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); -} - -static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) -{ - return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); -} - -static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) -{ - crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); -} - -static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) -{ - crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); -} - -static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, - unsigned int keylen) -{ - struct aead_tfm *crt = crypto_aead_crt(tfm); - - return crt->setkey(crt->base, key, keylen); -} - -int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); - -static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) -{ - return __crypto_aead_cast(req->base.tfm); -} - -static inline int crypto_aead_encrypt(struct aead_request *req) -{ - return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); -} - -static inline int crypto_aead_decrypt(struct aead_request *req) -{ - return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); -} - -static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) -{ - return crypto_aead_crt(tfm)->reqsize; -} - -static inline void aead_request_set_tfm(struct aead_request *req, - struct crypto_aead *tfm) -{ - req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); -} - -static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, - gfp_t gfp) -{ - struct aead_request *req; - - req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); - - if (likely(req)) - aead_request_set_tfm(req, tfm); - - return req; -} - -static inline void aead_request_free(struct aead_request *req) -{ - kzfree(req); -} - -static inline void aead_request_set_callback(struct aead_request *req, - u32 flags, - crypto_completion_t complete, - void *data) -{ - req->base.complete = complete; - req->base.data = data; - req->base.flags = flags; -} - -static inline void aead_request_set_crypt(struct aead_request *req, - struct scatterlist *src, - struct scatterlist *dst, - unsigned int cryptlen, u8 *iv) -{ - req->src = src; - req->dst = dst; - req->cryptlen = cryptlen; - req->iv = iv; -} - -static inline void aead_request_set_assoc(struct aead_request *req, - struct scatterlist *assoc, - unsigned int assoclen) -{ - req->assoc = assoc; - req->assoclen = assoclen; -} - -static inline struct crypto_blkcipher *__crypto_blkcipher_cast( - struct crypto_tfm *tfm) -{ - return (struct crypto_blkcipher *)tfm; -} - -static inline struct crypto_blkcipher *crypto_blkcipher_cast( - struct crypto_tfm *tfm) -{ - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); - return __crypto_blkcipher_cast(tfm); -} - -static inline struct crypto_blkcipher *crypto_alloc_blkcipher( - const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_blkcipher_tfm( - struct crypto_blkcipher *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) -{ - crypto_free_tfm(crypto_blkcipher_tfm(tfm)); -} - -static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) -{ - return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); -} - -static inline struct blkcipher_tfm *crypto_blkcipher_crt( - struct crypto_blkcipher *tfm) -{ - return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; -} - -static inline struct blkcipher_alg *crypto_blkcipher_alg( - struct crypto_blkcipher *tfm) -{ - return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; -} - -static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) -{ - return crypto_blkcipher_alg(tfm)->ivsize; -} - -static inline unsigned int crypto_blkcipher_blocksize( - struct crypto_blkcipher *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); -} - -static inline unsigned int crypto_blkcipher_alignmask( - struct crypto_blkcipher *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); -} - -static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) -{ - return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); -} - -static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, - u32 flags) -{ - crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); -} - -static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, - u32 flags) -{ - crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); -} - -static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, - const u8 *key, unsigned int keylen) -{ - return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), - key, keylen); -} - -static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - desc->info = crypto_blkcipher_crt(desc->tfm)->iv; - return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); -} - -static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); -} - -static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - desc->info = crypto_blkcipher_crt(desc->tfm)->iv; - return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); -} - -static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); -} - -static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, - const u8 *src, unsigned int len) -{ - memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); -} - -static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, - u8 *dst, unsigned int len) -{ - memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); -} - -static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_cipher *)tfm; -} - -static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) -{ - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); - return __crypto_cipher_cast(tfm); -} - -static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_CIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_cipher(struct crypto_cipher *tfm) -{ - crypto_free_tfm(crypto_cipher_tfm(tfm)); -} - -static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_CIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) -{ - return &crypto_cipher_tfm(tfm)->crt_cipher; -} - -static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); -} - -static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); -} - -static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) -{ - return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); -} - -static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, - u32 flags) -{ - crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); -} - -static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, - u32 flags) -{ - crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); -} - -static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, - const u8 *key, unsigned int keylen) -{ - return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), - key, keylen); -} - -static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, - u8 *dst, const u8 *src) -{ - crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), - dst, src); -} - -static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, - u8 *dst, const u8 *src) -{ - crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), - dst, src); -} - -static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_hash *)tfm; -} - -static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) -{ - BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & - CRYPTO_ALG_TYPE_HASH_MASK); - return __crypto_hash_cast(tfm); -} - -static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - mask &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_HASH; - mask |= CRYPTO_ALG_TYPE_HASH_MASK; - - return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_hash(struct crypto_hash *tfm) -{ - crypto_free_tfm(crypto_hash_tfm(tfm)); -} - -static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - mask &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_HASH; - mask |= CRYPTO_ALG_TYPE_HASH_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) -{ - return &crypto_hash_tfm(tfm)->crt_hash; -} - -static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); -} - -static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); -} - -static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) -{ - return crypto_hash_crt(tfm)->digestsize; -} - -static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) -{ - return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); -} - -static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) -{ - crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); -} - -static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) -{ - crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); -} - -static inline int crypto_hash_init(struct hash_desc *desc) -{ - return crypto_hash_crt(desc->tfm)->init(desc); -} - -static inline int crypto_hash_update(struct hash_desc *desc, - struct scatterlist *sg, - unsigned int nbytes) -{ - return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); -} - -static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) -{ - return crypto_hash_crt(desc->tfm)->final(desc, out); -} - -static inline int crypto_hash_digest(struct hash_desc *desc, - struct scatterlist *sg, - unsigned int nbytes, u8 *out) -{ - return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); -} - -static inline int crypto_hash_setkey(struct crypto_hash *hash, - const u8 *key, unsigned int keylen) -{ - return crypto_hash_crt(hash)->setkey(hash, key, keylen); -} - -static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_comp *)tfm; -} - -static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) -{ - BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & - CRYPTO_ALG_TYPE_MASK); - return __crypto_comp_cast(tfm); -} - -static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_COMPRESS; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_comp(struct crypto_comp *tfm) -{ - crypto_free_tfm(crypto_comp_tfm(tfm)); -} - -static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_COMPRESS; - mask |= CRYPTO_ALG_TYPE_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -static inline const char *crypto_comp_name(struct crypto_comp *tfm) -{ - return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); -} - -static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) -{ - return &crypto_comp_tfm(tfm)->crt_compress; -} - -static inline int crypto_comp_compress(struct crypto_comp *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), - src, slen, dst, dlen); -} - -static inline int crypto_comp_decompress(struct crypto_comp *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), - src, slen, dst, dlen); -} - -#endif /* _LINUX_CRYPTO_H */ - |