197fb5e8dSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2ec8f5d8fSStanimir Varbanov /* 3ec8f5d8fSStanimir Varbanov * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. 4ec8f5d8fSStanimir Varbanov */ 5ec8f5d8fSStanimir Varbanov 6ec8f5d8fSStanimir Varbanov #ifndef _SHA_H_ 7ec8f5d8fSStanimir Varbanov #define _SHA_H_ 8ec8f5d8fSStanimir Varbanov 9ec8f5d8fSStanimir Varbanov #include <crypto/scatterwalk.h> 10*a24d22b2SEric Biggers #include <crypto/sha1.h> 11*a24d22b2SEric Biggers #include <crypto/sha2.h> 12ec8f5d8fSStanimir Varbanov 13ec8f5d8fSStanimir Varbanov #include "common.h" 14ec8f5d8fSStanimir Varbanov #include "core.h" 15ec8f5d8fSStanimir Varbanov 16ec8f5d8fSStanimir Varbanov #define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE 17ec8f5d8fSStanimir Varbanov #define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE 18ec8f5d8fSStanimir Varbanov 19ec8f5d8fSStanimir Varbanov struct qce_sha_ctx { 20ec8f5d8fSStanimir Varbanov u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; 21ec8f5d8fSStanimir Varbanov }; 22ec8f5d8fSStanimir Varbanov 23ec8f5d8fSStanimir Varbanov /** 24ec8f5d8fSStanimir Varbanov * struct qce_sha_reqctx - holds private ahash objects per request 25ec8f5d8fSStanimir Varbanov * @buf: used during update, import and export 26ec8f5d8fSStanimir Varbanov * @tmpbuf: buffer for internal use 27ec8f5d8fSStanimir Varbanov * @digest: calculated digest buffer 28ec8f5d8fSStanimir Varbanov * @buflen: length of the buffer 29ec8f5d8fSStanimir Varbanov * @flags: operation flags 30ec8f5d8fSStanimir Varbanov * @src_orig: original request sg list 31ec8f5d8fSStanimir Varbanov * @nbytes_orig: original request number of bytes 32ec8f5d8fSStanimir Varbanov * @src_nents: source number of entries 33ec8f5d8fSStanimir Varbanov * @byte_count: byte count 34ec8f5d8fSStanimir Varbanov * @count: save count in states during update, import and export 35ec8f5d8fSStanimir Varbanov * @first_blk: is it the first block 36ec8f5d8fSStanimir Varbanov * @last_blk: is it the last block 37ec8f5d8fSStanimir Varbanov * @sg: used to chain sg lists 38ec8f5d8fSStanimir Varbanov * @authkey: pointer to auth key in sha ctx 39ec8f5d8fSStanimir Varbanov * @authklen: auth key length 40ec8f5d8fSStanimir Varbanov * @result_sg: scatterlist used for result buffer 41ec8f5d8fSStanimir Varbanov */ 42ec8f5d8fSStanimir Varbanov struct qce_sha_reqctx { 43ec8f5d8fSStanimir Varbanov u8 buf[QCE_SHA_MAX_BLOCKSIZE]; 44ec8f5d8fSStanimir Varbanov u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; 45ec8f5d8fSStanimir Varbanov u8 digest[QCE_SHA_MAX_DIGESTSIZE]; 46ec8f5d8fSStanimir Varbanov unsigned int buflen; 47ec8f5d8fSStanimir Varbanov unsigned long flags; 48ec8f5d8fSStanimir Varbanov struct scatterlist *src_orig; 49ec8f5d8fSStanimir Varbanov unsigned int nbytes_orig; 50ec8f5d8fSStanimir Varbanov int src_nents; 51ec8f5d8fSStanimir Varbanov __be32 byte_count[2]; 52ec8f5d8fSStanimir Varbanov u64 count; 53ec8f5d8fSStanimir Varbanov bool first_blk; 54ec8f5d8fSStanimir Varbanov bool last_blk; 55ec8f5d8fSStanimir Varbanov struct scatterlist sg[2]; 56ec8f5d8fSStanimir Varbanov u8 *authkey; 57ec8f5d8fSStanimir Varbanov unsigned int authklen; 58ec8f5d8fSStanimir Varbanov struct scatterlist result_sg; 59ec8f5d8fSStanimir Varbanov }; 60ec8f5d8fSStanimir Varbanov to_ahash_tmpl(struct crypto_tfm * tfm)61ec8f5d8fSStanimir Varbanovstatic inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) 62ec8f5d8fSStanimir Varbanov { 63ec8f5d8fSStanimir Varbanov struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); 64ec8f5d8fSStanimir Varbanov struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), 65ec8f5d8fSStanimir Varbanov struct ahash_alg, halg); 66ec8f5d8fSStanimir Varbanov 67ec8f5d8fSStanimir Varbanov return container_of(alg, struct qce_alg_template, alg.ahash); 68ec8f5d8fSStanimir Varbanov } 69ec8f5d8fSStanimir Varbanov 70ec8f5d8fSStanimir Varbanov extern const struct qce_algo_ops ahash_ops; 71ec8f5d8fSStanimir Varbanov 72ec8f5d8fSStanimir Varbanov #endif /* _SHA_H_ */ 73