mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Header file for SHA hardware acceleration
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*
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* Copyright (c) 2012 Samsung Electronics
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*/
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#ifndef __HW_SHA_H
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#define __HW_SHA_H
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#include <hash.h>
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/**
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* Computes hash value of input pbuf using h/w acceleration
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*
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* @param in_addr A pointer to the input buffer
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* @param bufleni Byte length of input buffer
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* @param out_addr A pointer to the output buffer. When complete
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* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
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* should allocate at least 32 bytes at pOut in advance.
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* @param chunk_size chunk size for sha256
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*/
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void hw_sha256(const uchar * in_addr, uint buflen,
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uchar * out_addr, uint chunk_size);
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/**
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* Computes hash value of input pbuf using h/w acceleration
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*
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* @param in_addr A pointer to the input buffer
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* @param bufleni Byte length of input buffer
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* @param out_addr A pointer to the output buffer. When complete
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* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
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* should allocate at least 32 bytes at pOut in advance.
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* @param chunk_size chunk_size for sha1
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*/
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void hw_sha1(const uchar * in_addr, uint buflen,
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uchar * out_addr, uint chunk_size);
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/*
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* Create the context for sha progressive hashing using h/w acceleration
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*
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* @algo: Pointer to the hash_algo struct
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* @ctxp: Pointer to the pointer of the context for hashing
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* @return 0 if ok, -ve on error
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*/
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int hw_sha_init(struct hash_algo *algo, void **ctxp);
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/*
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* Update buffer for sha progressive hashing using h/w acceleration
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*
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* The context is freed by this function if an error occurs.
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*
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* @algo: Pointer to the hash_algo struct
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* @ctx: Pointer to the context for hashing
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* @buf: Pointer to the buffer being hashed
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* @size: Size of the buffer being hashed
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* @is_last: 1 if this is the last update; 0 otherwise
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* @return 0 if ok, -ve on error
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*/
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int hw_sha_update(struct hash_algo *algo, void *ctx, const void *buf,
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unsigned int size, int is_last);
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/*
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* Copy sha hash result at destination location
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*
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* The context is freed after completion of hash operation or after an error.
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*
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* @algo: Pointer to the hash_algo struct
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* @ctx: Pointer to the context for hashing
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* @dest_buf: Pointer to the destination buffer where hash is to be copied
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* @size: Size of the buffer being hashed
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* @return 0 if ok, -ve on error
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*/
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int hw_sha_finish(struct hash_algo *algo, void *ctx, void *dest_buf,
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int size);
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#endif
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