hash.h

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/*
 * Copyright (c) 2022 Intel Corporation.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_CRYPTO_HASH_H_
#define ZEPHYR_INCLUDE_CRYPTO_HASH_H_
 
 
enum hash_algo {
        CRYPTO_HASH_ALGO_SHA224 = 1,
        CRYPTO_HASH_ALGO_SHA256 = 2,
        CRYPTO_HASH_ALGO_SHA384 = 3,
        CRYPTO_HASH_ALGO_SHA512 = 4,
};
 
/* Forward declarations */
struct hash_ctx;
struct hash_pkt;
 
 
typedef int (*hash_op_t)(struct hash_ctx *ctx, struct hash_pkt *pkt,
                         bool finish);
 
struct hash_ctx {
        const struct device *device;
 
        void *drv_sessn_state;
 
        hash_op_t hash_hndlr;
 
        bool started;
 
        uint16_t flags;
};
 
struct hash_pkt {
 
        uint8_t *in_buf;
 
        size_t  in_len;
 
        uint8_t *out_buf;
 
        struct hash_ctx *ctx;
};
 
/* Prototype for the application function to be invoked by the crypto driver
 * on completion of an async request. The app may get the session context
 * via the pkt->ctx field.
 */
typedef void (*hash_completion_cb)(struct hash_pkt *completed, int status);
 
 
#endif /* ZEPHYR_INCLUDE_CRYPTO_HASH_H_ */