mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 18:28:55 +00:00
94e3c8c4fd
Currently only normal hashing is supported using hardware acceleration. Added support for progressive hashing using hardware. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com> CC: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: York Sun <yorksun@freescale.com>
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
|
|
* Header file for SHA hardware acceleration
|
|
*
|
|
* Copyright (c) 2012 Samsung Electronics
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#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
|
|
* 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
|