1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _SHA_H_ 7*4882a593Smuzhiyun #define _SHA_H_ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <crypto/scatterwalk.h> 10*4882a593Smuzhiyun #include <crypto/sha.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include "common.h" 13*4882a593Smuzhiyun #include "core.h" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE 16*4882a593Smuzhiyun #define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct qce_sha_ctx { 19*4882a593Smuzhiyun u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /** 23*4882a593Smuzhiyun * struct qce_sha_reqctx - holds private ahash objects per request 24*4882a593Smuzhiyun * @buf: used during update, import and export 25*4882a593Smuzhiyun * @tmpbuf: buffer for internal use 26*4882a593Smuzhiyun * @digest: calculated digest buffer 27*4882a593Smuzhiyun * @buflen: length of the buffer 28*4882a593Smuzhiyun * @flags: operation flags 29*4882a593Smuzhiyun * @src_orig: original request sg list 30*4882a593Smuzhiyun * @nbytes_orig: original request number of bytes 31*4882a593Smuzhiyun * @src_nents: source number of entries 32*4882a593Smuzhiyun * @byte_count: byte count 33*4882a593Smuzhiyun * @count: save count in states during update, import and export 34*4882a593Smuzhiyun * @first_blk: is it the first block 35*4882a593Smuzhiyun * @last_blk: is it the last block 36*4882a593Smuzhiyun * @sg: used to chain sg lists 37*4882a593Smuzhiyun * @authkey: pointer to auth key in sha ctx 38*4882a593Smuzhiyun * @authklen: auth key length 39*4882a593Smuzhiyun * @result_sg: scatterlist used for result buffer 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun struct qce_sha_reqctx { 42*4882a593Smuzhiyun u8 buf[QCE_SHA_MAX_BLOCKSIZE]; 43*4882a593Smuzhiyun u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; 44*4882a593Smuzhiyun u8 digest[QCE_SHA_MAX_DIGESTSIZE]; 45*4882a593Smuzhiyun unsigned int buflen; 46*4882a593Smuzhiyun unsigned long flags; 47*4882a593Smuzhiyun struct scatterlist *src_orig; 48*4882a593Smuzhiyun unsigned int nbytes_orig; 49*4882a593Smuzhiyun int src_nents; 50*4882a593Smuzhiyun __be32 byte_count[2]; 51*4882a593Smuzhiyun u64 count; 52*4882a593Smuzhiyun bool first_blk; 53*4882a593Smuzhiyun bool last_blk; 54*4882a593Smuzhiyun struct scatterlist sg[2]; 55*4882a593Smuzhiyun u8 *authkey; 56*4882a593Smuzhiyun unsigned int authklen; 57*4882a593Smuzhiyun struct scatterlist result_sg; 58*4882a593Smuzhiyun }; 59*4882a593Smuzhiyun to_ahash_tmpl(struct crypto_tfm * tfm)60*4882a593Smuzhiyunstatic inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) 61*4882a593Smuzhiyun { 62*4882a593Smuzhiyun struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); 63*4882a593Smuzhiyun struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), 64*4882a593Smuzhiyun struct ahash_alg, halg); 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun return container_of(alg, struct qce_alg_template, alg.ahash); 67*4882a593Smuzhiyun } 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun extern const struct qce_algo_ops ahash_ops; 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #endif /* _SHA_H_ */ 72