| /* |
| * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #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 sg_table src_tbl; |
| struct scatterlist *src_sg; |
| unsigned int cryptlen; |
| }; |
| |
| static inline struct qce_alg_template *to_cipher_tmpl(struct crypto_tfm *tfm) |
| { |
| struct crypto_alg *alg = tfm->__crt_alg; |
| return container_of(alg, struct qce_alg_template, alg.crypto); |
| } |
| |
| extern const struct qce_algo_ops ablkcipher_ops; |
| |
| #endif /* _CIPHER_H_ */ |