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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2019 - 2021
*
* Richard van Schagen <vschagen@icloud.com>
* Christian Marangi <ansuelsmth@gmail.com
*/
#ifndef _EIP93_HASH_H_
#define _EIP93_HASH_H_
#include <crypto/sha2.h>
#include "eip93-main.h"
#include "eip93-regs.h"
struct eip93_hash_ctx {
struct eip93_device *eip93;
u32 flags;
u8 ipad[SHA256_BLOCK_SIZE] __aligned(sizeof(u32));
u8 opad[SHA256_DIGEST_SIZE] __aligned(sizeof(u32));
};
struct eip93_hash_reqctx {
/* Placement is important for DMA align */
struct {
struct sa_record sa_record;
struct sa_record sa_record_hmac;
struct sa_state sa_state;
} __aligned(CRYPTO_DMA_ALIGN);
dma_addr_t sa_record_base;
dma_addr_t sa_record_hmac_base;
dma_addr_t sa_state_base;
/* Don't enable HASH_FINALIZE when last block is sent */
bool partial_hash;
/* Set to signal interrupt is for final packet */
bool finalize;
/*
* EIP93 requires data to be accumulated in block of 64 bytes
* for intermediate hash calculation.
*/
u64 len;
u32 data_used;
u8 data[SHA256_BLOCK_SIZE] __aligned(sizeof(u32));
dma_addr_t data_dma;
struct list_head blocks;
};
struct mkt_hash_block {
struct list_head list;
u8 data[SHA256_BLOCK_SIZE] __aligned(sizeof(u32));
dma_addr_t data_dma;
};
struct eip93_hash_export_state {
u64 len;
u32 data_used;
u32 state_len[2];
u8 state_hash[SHA256_DIGEST_SIZE] __aligned(sizeof(u32));
u8 data[SHA256_BLOCK_SIZE] __aligned(sizeof(u32));
};
void eip93_hash_handle_result(struct crypto_async_request *async, int err);
extern struct eip93_alg_template eip93_alg_md5;
extern struct eip93_alg_template eip93_alg_sha1;
extern struct eip93_alg_template eip93_alg_sha224;
extern struct eip93_alg_template eip93_alg_sha256;
extern struct eip93_alg_template eip93_alg_hmac_md5;
extern struct eip93_alg_template eip93_alg_hmac_sha1;
extern struct eip93_alg_template eip93_alg_hmac_sha224;
extern struct eip93_alg_template eip93_alg_hmac_sha256;
#endif /* _EIP93_HASH_H_ */
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