litmus-rt.git - The LITMUS^RT kernel.

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author	Steffen Klassert <steffen.klassert@secunet.com>	2011-03-28 15:47:30 -0400
committer	David S. Miller <davem@davemloft.net>	2011-03-29 02:34:52 -0400
commit	e2b19125e94124daaeda1ddcf9b85b04575ad86f (patch)
tree	ee670f037ea5b3826731ea5169f1afe94b925f16 /Documentation/spi/spidev_test.c
parent	af2f464e326ebad57284cfdecb03f1606e89bbc7 (diff)

xfrm: Check for esn buffer len in xfrm_new_ae

In xfrm_new_ae() we may overwrite the allocated esn replay state buffer with a wrong size. So check that the new size matches the original allocated size and return an error if this is not the case. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>

Diffstat (limited to 'Documentation/spi/spidev_test.c')

0 files changed, 0 insertions, 0 deletions

/* * 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 M�ller. * * 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 <asm/atomic.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/list.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_DIGEST 0x00000002 #define CRYPTO_ALG_TYPE_HASH 0x00000003 #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 #define CRYPTO_ALG_TYPE_COMPRESS 0x00000005 #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e #define CRYPTO_ALG_LARVAL 0x00000010 #define CRYPTO_ALG_DEAD 0x00000020 #define CRYPTO_ALG_DYING 0x00000040 #define CRYPTO_ALG_ASYNC 0x00000080 /* * Transform masks and values (for crt_flags). */ #define CRYPTO_TFM_MODE_MASK 0x000000ff #define CRYPTO_TFM_REQ_MASK 0x000fff00 #define CRYPTO_TFM_RES_MASK 0xfff00000 #define CRYPTO_TFM_MODE_ECB 0x00000001 #define CRYPTO_TFM_MODE_CBC 0x00000002 #define CRYPTO_TFM_MODE_CFB 0x00000004 #define CRYPTO_TFM_MODE_CTR 0x00000008 #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 #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_UNSPEC 0 #define CRYPTO_MAX_ALG_NAME 64 #define CRYPTO_DIR_ENCRYPT 1 #define CRYPTO_DIR_DECRYPT 0 /* * 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. */ #if defined(ARCH_KMALLOC_MINALIGN) #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN #elif defined(ARCH_SLAB_MINALIGN) #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN #endif #ifdef CRYPTO_MINALIGN #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) #else #define CRYPTO_MINALIGN_ATTR #endif struct scatterlist; struct crypto_blkcipher; struct crypto_hash; struct crypto_tfm; struct crypto_type; 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 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); 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); unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc, u8 *dst, const u8 *src, unsigned int nbytes) __deprecated; unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc, u8 *dst, const u8 *src, unsigned int nbytes) __deprecated; unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc, u8 *dst, const u8 *src, unsigned int nbytes) __deprecated; unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc, u8 *dst, const u8 *src, unsigned int nbytes) __deprecated; }; struct digest_alg { unsigned int dia_digestsize; void (*dia_init)(struct crypto_tfm *tfm); void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, unsigned int len); void (*dia_final)(struct crypto_tfm *tfm, u8 *out); int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); }; struct hash_alg { int (*init)(struct hash_desc *desc); int (*update)(struct hash_desc *desc, struct scatterlist *sg, unsigned int nbytes); int (*final)(struct hash_desc *desc, u8 *out); int (*digest)(struct hash_desc *desc, struct scatterlist *sg, unsigned int nbytes, u8 *out); int (*setkey)(struct crypto_hash *tfm, const u8 *key, unsigned int keylen); unsigned int digestsize; }; 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); }; #define cra_blkcipher cra_u.blkcipher #define cra_cipher cra_u.cipher #define cra_digest cra_u.digest #define cra_hash cra_u.hash #define cra_compress cra_u.compress 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 blkcipher_alg blkcipher; struct cipher_alg cipher; struct digest_alg digest; struct hash_alg hash; struct compress_alg compress; } 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); /* * Algorithm query interface. */ #ifdef CONFIG_CRYPTO int crypto_alg_available(const char *name, u32 flags); #else static inline int crypto_alg_available(const char *name, u32 flags) { return 0; } #endif /* * 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 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 { void *cit_iv; unsigned int cit_ivsize; u32 cit_mode; int (*cit_setkey)(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); int (*cit_encrypt)(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes); int (*cit_encrypt_iv)(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv); int (*cit_decrypt)(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes); int (*cit_decrypt_iv)(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv); void (*cit_xor_block)(u8 *dst, const u8 *src); 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); #ifdef CONFIG_CRYPTO_HMAC void *hmac_block; #endif 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); }; #define crt_blkcipher crt_u.blkcipher #define crt_cipher crt_u.cipher #define crt_hash crt_u.hash #define crt_compress crt_u.compress struct crypto_tfm { u32 crt_flags; union { struct blkcipher_tfm blkcipher; struct cipher_tfm cipher; struct hash_tfm hash; struct compress_tfm compress; } crt_u; struct crypto_alg *__crt_alg; void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; }; #define crypto_cipher crypto_tfm struct crypto_blkcipher { struct crypto_tfm base; }; struct crypto_hash { struct crypto_tfm base; }; enum { CRYPTOA_UNSPEC, CRYPTOA_ALG, }; struct crypto_attr_alg { char name[CRYPTO_MAX_ALG_NAME]; }; /* * Transform user interface. */ struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); void crypto_free_tfm(struct crypto_tfm *tfm); /* * 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 const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) { return module_name(tfm->__crt_alg->cra_module); } static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) { return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; } static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm) __deprecated; static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->__crt_alg->cra_cipher.cia_min_keysize; } static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm) __deprecated; static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->__crt_alg->cra_cipher.cia_max_keysize; } static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated; static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->crt_cipher.cit_ivsize; } 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_digestsize(struct crypto_tfm *tfm) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); return tfm->__crt_alg->cra_digest.dia_digestsize; } 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_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 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; } static inline void crypto_free_cipher(struct crypto_cipher *tfm) { crypto_free_tfm(crypto_cipher_tfm(tfm)); } 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); } void crypto_digest_init(struct crypto_tfm *tfm); void crypto_digest_update(struct crypto_tfm *tfm, struct scatterlist *sg, unsigned int nsg); void crypto_digest_final(struct crypto_tfm *tfm, u8 *out); void crypto_digest_digest(struct crypto_tfm *tfm, struct scatterlist *sg, unsigned int nsg, u8 *out); 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 int crypto_digest_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { return tfm->crt_hash.setkey(crypto_hash_cast(tfm), key, keylen); } static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, u32 type, u32 mask) { type &= ~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 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 int crypto_cipher_encrypt(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) __deprecated; static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes); } static int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv) __deprecated; static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv); } static int crypto_cipher_decrypt(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) __deprecated; static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes); } static int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv) __deprecated; static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, u8 *iv) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv); } static void crypto_cipher_set_iv(struct crypto_tfm *tfm, const u8 *src, unsigned int len) __deprecated; static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm, const u8 *src, unsigned int len) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); memcpy(tfm->crt_cipher.cit_iv, src, len); } static void crypto_cipher_get_iv(struct crypto_tfm *tfm, u8 *dst, unsigned int len) __deprecated; static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm, u8 *dst, unsigned int len) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); memcpy(dst, tfm->crt_cipher.cit_iv, len); } static inline int crypto_comp_compress(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen); } static inline int crypto_comp_decompress(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen); } /* * HMAC support. */ #ifdef CONFIG_CRYPTO_HMAC void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen); void crypto_hmac_update(struct crypto_tfm *tfm, struct scatterlist *sg, unsigned int nsg); void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen, u8 *out); void crypto_hmac(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen, struct scatterlist *sg, unsigned int nsg, u8 *out); #endif /* CONFIG_CRYPTO_HMAC */ #endif /* _LINUX_CRYPTO_H */


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