blob: d5757cfcda2de1a9c8b3da309ff723d9fedc817b [file] [log] [blame]
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;
25 struct crypto_ablkcipher *fallback;
26};
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
35 * @src_chained: is source chained
36 * @dst_chained: is destination chained
37 * @result_sg: scatterlist used for result buffer
38 * @dst_tbl: destination sg table
39 * @dst_sg: destination sg pointer table beginning
40 * @src_tbl: source sg table
41 * @src_sg: source sg pointer table beginning;
42 * @cryptlen: crypto length
43 */
44struct qce_cipher_reqctx {
45 unsigned long flags;
46 u8 *iv;
47 unsigned int ivsize;
48 int src_nents;
49 int dst_nents;
50 bool src_chained;
51 bool dst_chained;
52 struct scatterlist result_sg;
53 struct sg_table dst_tbl;
54 struct scatterlist *dst_sg;
55 struct sg_table src_tbl;
56 struct scatterlist *src_sg;
57 unsigned int cryptlen;
58};
59
60static inline struct qce_alg_template *to_cipher_tmpl(struct crypto_tfm *tfm)
61{
62 struct crypto_alg *alg = tfm->__crt_alg;
63 return container_of(alg, struct qce_alg_template, alg.crypto);
64}
65
66extern const struct qce_algo_ops ablkcipher_ops;
67
68#endif /* _CIPHER_H_ */