/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. */ #ifndef _SHA_H_ #define _SHA_H_ #include <crypto/scatterwalk.h> #include <crypto/sha.h> #include "common.h" #include "core.h" #define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE #define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE struct qce_sha_ctx { u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; }; /** * struct qce_sha_reqctx - holds private ahash objects per request * @buf: used during update, import and export * @tmpbuf: buffer for internal use * @digest: calculated digest buffer * @buflen: length of the buffer * @flags: operation flags * @src_orig: original request sg list * @nbytes_orig: original request number of bytes * @src_nents: source number of entries * @byte_count: byte count * @count: save count in states during update, import and export * @first_blk: is it the first block * @last_blk: is it the last block * @sg: used to chain sg lists * @authkey: pointer to auth key in sha ctx * @authklen: auth key length * @result_sg: scatterlist used for result buffer */ struct qce_sha_reqctx { u8 buf[QCE_SHA_MAX_BLOCKSIZE]; u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; u8 digest[QCE_SHA_MAX_DIGESTSIZE]; unsigned int buflen; unsigned long flags; struct scatterlist *src_orig; unsigned int nbytes_orig; int src_nents; __be32 byte_count[2]; u64 count; bool first_blk; bool last_blk; struct scatterlist sg[2]; u8 *authkey; unsigned int authklen; struct scatterlist result_sg; }; static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) { struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), struct ahash_alg, halg); return container_of(alg, struct qce_alg_template, alg.ahash); } extern const struct qce_algo_ops ahash_ops; #endif /* _SHA_H_ */