projects / deliverable / linux.git / blame
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|---|---|---|
| ec8f5d8f SV |
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 | |
| ec8f5d8f SV |
35 | * @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 | */ | |
| 42 | struct qce_cipher_reqctx { | |
| 43 | unsigned long flags; | |
| 44 | u8 *iv; | |
| 45 | unsigned int ivsize; | |
| 46 | int src_nents; | |
| 47 | int dst_nents; | |
| ec8f5d8f SV |
48 | 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 | ||
| 56 | static 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 | ||
| 62 | extern const struct qce_algo_ops ablkcipher_ops; | |
| 63 | ||
| 64 | #endif /* _CIPHER_H_ */ |