162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef _SHA_H_ 762306a36Sopenharmony_ci#define _SHA_H_ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <crypto/scatterwalk.h> 1062306a36Sopenharmony_ci#include <crypto/sha1.h> 1162306a36Sopenharmony_ci#include <crypto/sha2.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#include "common.h" 1462306a36Sopenharmony_ci#include "core.h" 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE 1762306a36Sopenharmony_ci#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistruct qce_sha_ctx { 2062306a36Sopenharmony_ci u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci/** 2462306a36Sopenharmony_ci * struct qce_sha_reqctx - holds private ahash objects per request 2562306a36Sopenharmony_ci * @buf: used during update, import and export 2662306a36Sopenharmony_ci * @tmpbuf: buffer for internal use 2762306a36Sopenharmony_ci * @digest: calculated digest buffer 2862306a36Sopenharmony_ci * @buflen: length of the buffer 2962306a36Sopenharmony_ci * @flags: operation flags 3062306a36Sopenharmony_ci * @src_orig: original request sg list 3162306a36Sopenharmony_ci * @nbytes_orig: original request number of bytes 3262306a36Sopenharmony_ci * @src_nents: source number of entries 3362306a36Sopenharmony_ci * @byte_count: byte count 3462306a36Sopenharmony_ci * @count: save count in states during update, import and export 3562306a36Sopenharmony_ci * @first_blk: is it the first block 3662306a36Sopenharmony_ci * @last_blk: is it the last block 3762306a36Sopenharmony_ci * @sg: used to chain sg lists 3862306a36Sopenharmony_ci * @authkey: pointer to auth key in sha ctx 3962306a36Sopenharmony_ci * @authklen: auth key length 4062306a36Sopenharmony_ci * @result_sg: scatterlist used for result buffer 4162306a36Sopenharmony_ci */ 4262306a36Sopenharmony_cistruct qce_sha_reqctx { 4362306a36Sopenharmony_ci u8 buf[QCE_SHA_MAX_BLOCKSIZE]; 4462306a36Sopenharmony_ci u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; 4562306a36Sopenharmony_ci u8 digest[QCE_SHA_MAX_DIGESTSIZE]; 4662306a36Sopenharmony_ci unsigned int buflen; 4762306a36Sopenharmony_ci unsigned long flags; 4862306a36Sopenharmony_ci struct scatterlist *src_orig; 4962306a36Sopenharmony_ci unsigned int nbytes_orig; 5062306a36Sopenharmony_ci int src_nents; 5162306a36Sopenharmony_ci __be32 byte_count[2]; 5262306a36Sopenharmony_ci u64 count; 5362306a36Sopenharmony_ci bool first_blk; 5462306a36Sopenharmony_ci bool last_blk; 5562306a36Sopenharmony_ci struct scatterlist sg[2]; 5662306a36Sopenharmony_ci u8 *authkey; 5762306a36Sopenharmony_ci unsigned int authklen; 5862306a36Sopenharmony_ci struct scatterlist result_sg; 5962306a36Sopenharmony_ci}; 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_cistatic inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) 6262306a36Sopenharmony_ci{ 6362306a36Sopenharmony_ci struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); 6462306a36Sopenharmony_ci struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), 6562306a36Sopenharmony_ci struct ahash_alg, halg); 6662306a36Sopenharmony_ci 6762306a36Sopenharmony_ci return container_of(alg, struct qce_alg_template, alg.ahash); 6862306a36Sopenharmony_ci} 6962306a36Sopenharmony_ci 7062306a36Sopenharmony_ciextern const struct qce_algo_ops ahash_ops; 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ci#endif /* _SHA_H_ */ 73