mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 08:59:33 +00:00
a479f103dc
Similar to support for SHA1 and SHA256, allow the use of hardware hashing engine by enabling the algorithm and setting CONFIG_SHA_HW_ACCEL / CONFIG_SHA_PROG_HW_ACCEL. Signed-off-by: Joel Stanley <joel@jms.id.au>
101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Header file for SHA hardware acceleration
|
|
*
|
|
* Copyright (c) 2012 Samsung Electronics
|
|
*/
|
|
#ifndef __HW_SHA_H
|
|
#define __HW_SHA_H
|
|
#include <hash.h>
|
|
|
|
/**
|
|
* Computes hash value of input pbuf using h/w acceleration
|
|
*
|
|
* @param in_addr A pointer to the input buffer
|
|
* @param bufleni Byte length of input buffer
|
|
* @param out_addr A pointer to the output buffer. When complete
|
|
* 64 bytes are copied to pout[0]...pout[63]. Thus, a user
|
|
* should allocate at least 64 bytes at pOut in advance.
|
|
* @param chunk_size chunk size for sha512
|
|
*/
|
|
void hw_sha512(const uchar *in_addr, uint buflen, uchar *out_addr,
|
|
uint chunk_size);
|
|
|
|
/**
|
|
* Computes hash value of input pbuf using h/w acceleration
|
|
*
|
|
* @param in_addr A pointer to the input buffer
|
|
* @param bufleni Byte length of input buffer
|
|
* @param out_addr A pointer to the output buffer. When complete
|
|
* 48 bytes are copied to pout[0]...pout[47]. Thus, a user
|
|
* should allocate at least 48 bytes at pOut in advance.
|
|
* @param chunk_size chunk size for sha384
|
|
*/
|
|
void hw_sha384(const uchar *in_addr, uint buflen, uchar *out_addr,
|
|
uint chunk_size);
|
|
|
|
/**
|
|
* Computes hash value of input pbuf using h/w acceleration
|
|
*
|
|
* @param in_addr A pointer to the input buffer
|
|
* @param bufleni Byte length of input buffer
|
|
* @param out_addr A pointer to the output buffer. When complete
|
|
* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
|
|
* should allocate at least 32 bytes at pOut in advance.
|
|
* @param chunk_size chunk size for sha256
|
|
*/
|
|
void hw_sha256(const uchar *in_addr, uint buflen, uchar *out_addr,
|
|
uint chunk_size);
|
|
|
|
/**
|
|
* Computes hash value of input pbuf using h/w acceleration
|
|
*
|
|
* @param in_addr A pointer to the input buffer
|
|
* @param bufleni Byte length of input buffer
|
|
* @param out_addr A pointer to the output buffer. When complete
|
|
* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
|
|
* should allocate at least 32 bytes at pOut in advance.
|
|
* @param chunk_size chunk_size for sha1
|
|
*/
|
|
void hw_sha1(const uchar *in_addr, uint buflen, uchar *out_addr,
|
|
uint chunk_size);
|
|
|
|
/*
|
|
* Create the context for sha progressive hashing using h/w acceleration
|
|
*
|
|
* @algo: Pointer to the hash_algo struct
|
|
* @ctxp: Pointer to the pointer of the context for hashing
|
|
* @return 0 if ok, -ve on error
|
|
*/
|
|
int hw_sha_init(struct hash_algo *algo, void **ctxp);
|
|
|
|
/*
|
|
* Update buffer for sha progressive hashing using h/w acceleration
|
|
*
|
|
* The context is freed by this function if an error occurs.
|
|
*
|
|
* @algo: Pointer to the hash_algo struct
|
|
* @ctx: Pointer to the context for hashing
|
|
* @buf: Pointer to the buffer being hashed
|
|
* @size: Size of the buffer being hashed
|
|
* @is_last: 1 if this is the last update; 0 otherwise
|
|
* @return 0 if ok, -ve on error
|
|
*/
|
|
int hw_sha_update(struct hash_algo *algo, void *ctx, const void *buf,
|
|
unsigned int size, int is_last);
|
|
|
|
/*
|
|
* Copy sha hash result at destination location
|
|
*
|
|
* The context is freed after completion of hash operation or after an error.
|
|
*
|
|
* @algo: Pointer to the hash_algo struct
|
|
* @ctx: Pointer to the context for hashing
|
|
* @dest_buf: Pointer to the destination buffer where hash is to be copied
|
|
* @size: Size of the buffer being hashed
|
|
* @return 0 if ok, -ve on error
|
|
*/
|
|
int hw_sha_finish(struct hash_algo *algo, void *ctx, void *dest_buf,
|
|
int size);
|
|
|
|
#endif
|