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Stanimir Varbanovec8f5d82014-06-25 19:28:57 +03001/*
2 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#ifndef _CIPHER_H_
15#define _CIPHER_H_
16
17#include "common.h"
18#include "core.h"
19
20#define QCE_MAX_KEY_SIZE 64
21
22struct qce_cipher_ctx {
23 u8 enc_key[QCE_MAX_KEY_SIZE];
24 unsigned int enc_keylen;
Herbert Xu2d20ce072016-06-29 18:04:04 +080025 struct crypto_skcipher *fallback;
Stanimir Varbanovec8f5d82014-06-25 19:28:57 +030026};
27
28/**
29 * struct qce_cipher_reqctx - holds private cipher objects per request
30 * @flags: operation flags
31 * @iv: pointer to the IV
32 * @ivsize: IV size
33 * @src_nents: source entries
34 * @dst_nents: destination entries
Stanimir Varbanovec8f5d82014-06-25 19:28:57 +030035 * @result_sg: scatterlist used for result buffer
36 * @dst_tbl: destination sg table
37 * @dst_sg: destination sg pointer table beginning
38 * @src_tbl: source sg table
39 * @src_sg: source sg pointer table beginning;
40 * @cryptlen: crypto length
41 */
42struct qce_cipher_reqctx {
43 unsigned long flags;
44 u8 *iv;
45 unsigned int ivsize;
46 int src_nents;
47 int dst_nents;
Stanimir Varbanovec8f5d82014-06-25 19:28:57 +030048 struct scatterlist result_sg;
49 struct sg_table dst_tbl;
50 struct scatterlist *dst_sg;
51 struct sg_table src_tbl;
52 struct scatterlist *src_sg;
53 unsigned int cryptlen;
54};
55
56static inline struct qce_alg_template *to_cipher_tmpl(struct crypto_tfm *tfm)
57{
58 struct crypto_alg *alg = tfm->__crt_alg;
59 return container_of(alg, struct qce_alg_template, alg.crypto);
60}
61
62extern const struct qce_algo_ops ablkcipher_ops;
63
64#endif /* _CIPHER_H_ */