/* * 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_sync_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_ */