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