/* * AEAD: Authenticated Encryption with Associated Data *  * 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_AEAD_H#define _CRYPTO_AEAD_H #include <linux/crypto.h>#include <linux/kernel.h>#include <linux/slab.h> /** *	struct aead_givcrypt_request - AEAD request with IV generation *	@seq: Sequence number for IV generation *	@giv: Space for generated IV *	@areq: The AEAD request itself */struct aead_givcrypt_request {	u64 seq;	u8 *giv; 	struct aead_request areq;}; static inline struct crypto_aead *aead_givcrypt_reqtfm(	struct aead_givcrypt_request *req){	return crypto_aead_reqtfm(&req->areq);} static inline int crypto_aead_givencrypt(struct aead_givcrypt_request *req){	struct aead_tfm *crt = crypto_aead_crt(aead_givcrypt_reqtfm(req));	return crt->givencrypt(req);}; static inline int crypto_aead_givdecrypt(struct aead_givcrypt_request *req){	struct aead_tfm *crt = crypto_aead_crt(aead_givcrypt_reqtfm(req));	return crt->givdecrypt(req);}; static inline void aead_givcrypt_set_tfm(struct aead_givcrypt_request *req,					 struct crypto_aead *tfm){	req->areq.base.tfm = crypto_aead_tfm(tfm);} static inline struct aead_givcrypt_request *aead_givcrypt_alloc(	struct crypto_aead *tfm, gfp_t gfp){	struct aead_givcrypt_request *req; 	req = kmalloc(sizeof(struct aead_givcrypt_request) +		      crypto_aead_reqsize(tfm), gfp); 	if (likely(req))		aead_givcrypt_set_tfm(req, tfm); 	return req;} static inline void aead_givcrypt_free(struct aead_givcrypt_request *req){	kfree(req);} static inline void aead_givcrypt_set_callback(	struct aead_givcrypt_request *req, u32 flags,	crypto_completion_t complete, void *data){	aead_request_set_callback(&req->areq, flags, complete, data);} static inline void aead_givcrypt_set_crypt(struct aead_givcrypt_request *req,					   struct scatterlist *src,					   struct scatterlist *dst,					   unsigned int nbytes, void *iv){	aead_request_set_crypt(&req->areq, src, dst, nbytes, iv);} static inline void aead_givcrypt_set_assoc(struct aead_givcrypt_request *req,					   struct scatterlist *assoc,					   unsigned int assoclen){	aead_request_set_assoc(&req->areq, assoc, assoclen);} static inline void aead_givcrypt_set_giv(struct aead_givcrypt_request *req,					 u8 *giv, u64 seq){	req->giv = giv;	req->seq = seq;} #endif	/* _CRYPTO_AEAD_H */