| Stanimir Varbanov | ec8f5d8 | 2014-06-25 19:28:57 +0300 | [diff] [blame] | 1 | /* |
| 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 | |
| 22 | struct 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 | */ |
| 44 | struct 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 | |
| 60 | static 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 | |
| 66 | extern const struct qce_algo_ops ablkcipher_ops; |
| 67 | |
| 68 | #endif /* _CIPHER_H_ */ |