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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
*/
#ifndef _CIPHER_H_
#define _CIPHER_H_
#include "common.h"
#include "core.h"
#define QCE_MAX_KEY_SIZE 64
struct qce_cipher_ctx {
u8 enc_key[QCE_MAX_KEY_SIZE];
unsigned int enc_keylen;
struct crypto_skcipher *fallback;
};
/**
* struct qce_cipher_reqctx - holds private cipher objects per request
* @flags: operation flags
* @iv: pointer to the IV
* @ivsize: IV size
* @src_nents: source entries
* @dst_nents: destination entries
* @result_sg: scatterlist used for result buffer
* @dst_tbl: destination sg table
* @dst_sg: destination sg pointer table beginning
* @src_tbl: source sg table
* @src_sg: source sg pointer table beginning;
* @cryptlen: crypto length
*/
struct qce_cipher_reqctx {
unsigned long flags;
u8 *iv;
unsigned int ivsize;
int src_nents;
int dst_nents;
struct scatterlist result_sg;
struct sg_table dst_tbl;
struct scatterlist *dst_sg;
struct scatterlist *src_sg;
unsigned int cryptlen;
struct skcipher_request fallback_req; // keep at the end
};
static inline struct qce_alg_template *to_cipher_tmpl(struct crypto_skcipher *tfm)
{
struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
return container_of(alg, struct qce_alg_template, alg.skcipher);
}
extern const struct qce_algo_ops skcipher_ops;
#endif /* _CIPHER_H_ */
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