1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
9 #include <crypto/scatterwalk.h>
10 #include <crypto/sha.h>
15 #define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE
16 #define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE
19 u8 authkey[QCE_SHA_MAX_BLOCKSIZE];
23 * struct qce_sha_reqctx - holds private ahash objects per request
24 * @buf: used during update, import and export
25 * @tmpbuf: buffer for internal use
26 * @digest: calculated digest buffer
27 * @buflen: length of the buffer
28 * @flags: operation flags
29 * @src_orig: original request sg list
30 * @nbytes_orig: original request number of bytes
31 * @src_nents: source number of entries
32 * @byte_count: byte count
33 * @count: save count in states during update, import and export
34 * @first_blk: is it the first block
35 * @last_blk: is it the last block
36 * @sg: used to chain sg lists
37 * @authkey: pointer to auth key in sha ctx
38 * @authklen: auth key length
39 * @result_sg: scatterlist used for result buffer
41 struct qce_sha_reqctx {
42 u8 buf[QCE_SHA_MAX_BLOCKSIZE];
43 u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE];
44 u8 digest[QCE_SHA_MAX_DIGESTSIZE];
47 struct scatterlist *src_orig;
48 unsigned int nbytes_orig;
54 struct scatterlist sg[2];
56 unsigned int authklen;
57 struct scatterlist result_sg;
60 static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm)
62 struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
63 struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash),
64 struct ahash_alg, halg);
66 return container_of(alg, struct qce_alg_template, alg.ahash);
69 extern const struct qce_algo_ops ahash_ops;