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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
*/
#ifndef _SHA_H_
#define _SHA_H_
#include <crypto/scatterwalk.h>
#include <crypto/sha.h>
#include "common.h"
#include "core.h"
#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE
#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE
struct qce_sha_ctx {
u8 authkey[QCE_SHA_MAX_BLOCKSIZE];
};
/**
* struct qce_sha_reqctx - holds private ahash objects per request
* @buf: used during update, import and export
* @tmpbuf: buffer for internal use
* @digest: calculated digest buffer
* @buflen: length of the buffer
* @flags: operation flags
* @src_orig: original request sg list
* @nbytes_orig: original request number of bytes
* @src_nents: source number of entries
* @byte_count: byte count
* @count: save count in states during update, import and export
* @first_blk: is it the first block
* @last_blk: is it the last block
* @sg: used to chain sg lists
* @authkey: pointer to auth key in sha ctx
* @authklen: auth key length
* @result_sg: scatterlist used for result buffer
*/
struct qce_sha_reqctx {
u8 buf[QCE_SHA_MAX_BLOCKSIZE];
u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE];
u8 digest[QCE_SHA_MAX_DIGESTSIZE];
unsigned int buflen;
unsigned long flags;
struct scatterlist *src_orig;
unsigned int nbytes_orig;
int src_nents;
__be32 byte_count[2];
u64 count;
bool first_blk;
bool last_blk;
struct scatterlist sg[2];
u8 *authkey;
unsigned int authklen;
struct scatterlist result_sg;
};
static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm)
{
struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash),
struct ahash_alg, halg);
return container_of(alg, struct qce_alg_template, alg.ahash);
}
extern const struct qce_algo_ops ahash_ops;
#endif /* _SHA_H_ */
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