1ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov/* 2ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. 3ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * 4ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * This program is free software; you can redistribute it and/or modify 5ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * it under the terms of the GNU General Public License version 2 and 6ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * only version 2 as published by the Free Software Foundation. 7ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * 8ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * This program is distributed in the hope that it will be useful, 9ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * but WITHOUT ANY WARRANTY; without even the implied warranty of 10ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * GNU General Public License for more details. 12ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov */ 13ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 14ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#ifndef _SHA_H_ 15ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#define _SHA_H_ 16ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 17ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#include <crypto/scatterwalk.h> 18ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#include <crypto/sha.h> 19ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 20ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#include "common.h" 21ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#include "core.h" 22ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 23ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE 24ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE 25ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 26ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanovstruct qce_sha_ctx { 27ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; 28ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov}; 29ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 30ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov/** 31ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * struct qce_sha_reqctx - holds private ahash objects per request 32ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @buf: used during update, import and export 33ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @tmpbuf: buffer for internal use 34ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @digest: calculated digest buffer 35ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @buflen: length of the buffer 36ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @flags: operation flags 37ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @src_orig: original request sg list 38ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @nbytes_orig: original request number of bytes 39ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @src_chained: is source scatterlist chained 40ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @src_nents: source number of entries 41ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @byte_count: byte count 42ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @count: save count in states during update, import and export 43ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @first_blk: is it the first block 44ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @last_blk: is it the last block 45ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @sg: used to chain sg lists 46ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @authkey: pointer to auth key in sha ctx 47ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @authklen: auth key length 48ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov * @result_sg: scatterlist used for result buffer 49ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov */ 50ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanovstruct qce_sha_reqctx { 51ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u8 buf[QCE_SHA_MAX_BLOCKSIZE]; 52ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; 53ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u8 digest[QCE_SHA_MAX_DIGESTSIZE]; 54ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov unsigned int buflen; 55ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov unsigned long flags; 56ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct scatterlist *src_orig; 57ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov unsigned int nbytes_orig; 58ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov bool src_chained; 59ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov int src_nents; 60ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov __be32 byte_count[2]; 61ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u64 count; 62ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov bool first_blk; 63ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov bool last_blk; 64ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct scatterlist sg[2]; 65ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov u8 *authkey; 66ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov unsigned int authklen; 67ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct scatterlist result_sg; 68ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov}; 69ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 70ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanovstatic inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) 71ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov{ 72ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); 73ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), 74ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov struct ahash_alg, halg); 75ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 76ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov return container_of(alg, struct qce_alg_template, alg.ahash); 77ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov} 78ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 79ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanovextern const struct qce_algo_ops ahash_ops; 80ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov 81ec8f5d8f6f76b939f662d6e83041abecabef0a34Stanimir Varbanov#endif /* _SHA_H_ */ 82