linux/drivers/crypto/caam/caamhash_desc.c

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Shared descriptors for ahash algorithms
 *
 * Copyright 2017-2019 NXP
 */

#include "compat.h"
#include "desc_constr.h"
#include "caamhash_desc.h"

/**
 * cnstr_shdsc_ahash - ahash shared descriptor
 * @desc: pointer to buffer used for descriptor construction
 * @adata: pointer to authentication transform definitions.
 *         A split key is required for SEC Era < 6; the size of the split key
 *         is specified in this case.
 *         Valid algorithm values - one of OP_ALG_ALGSEL_{MD5, SHA1, SHA224,
 *         SHA256, SHA384, SHA512}.
 * @state: algorithm state OP_ALG_AS_{INIT, FINALIZE, INITFINALIZE, UPDATE}
 * @digestsize: algorithm's digest size
 * @ctx_len: size of Context Register
 * @import_ctx: true if previous Context Register needs to be restored
 *              must be true for ahash update and final
 *              must be false for ahash first and digest
 * @era: SEC Era
 */
void cnstr_shdsc_ahash(u32 * const desc, struct alginfo *adata, u32 state,
		       int digestsize, int ctx_len, bool import_ctx, int era)
{ … }
EXPORT_SYMBOL(…);

/**
 * cnstr_shdsc_sk_hash - shared descriptor for symmetric key cipher-based
 *                       hash algorithms
 * @desc: pointer to buffer used for descriptor construction
 * @adata: pointer to authentication transform definitions.
 * @state: algorithm state OP_ALG_AS_{INIT, FINALIZE, INITFINALIZE, UPDATE}
 * @digestsize: algorithm's digest size
 * @ctx_len: size of Context Register
 */
void cnstr_shdsc_sk_hash(u32 * const desc, struct alginfo *adata, u32 state,
			 int digestsize, int ctx_len)
{ … }
EXPORT_SYMBOL(…);

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;