mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
*/
|
|
|
|
#ifdef AVB_INSIDE_LIBAVB_H
|
|
#error "You can't include avb_sha.h in the public header libavb.h."
|
|
#endif
|
|
|
|
#ifndef AVB_COMPILATION
|
|
#error "Never include this file, it may only be used from internal avb code."
|
|
#endif
|
|
|
|
#ifndef AVB_SHA_H_
|
|
#define AVB_SHA_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "avb_crypto.h"
|
|
#include "avb_sysdeps.h"
|
|
|
|
/* Block size in bytes of a SHA-256 digest. */
|
|
#define AVB_SHA256_BLOCK_SIZE 64
|
|
|
|
|
|
/* Block size in bytes of a SHA-512 digest. */
|
|
#define AVB_SHA512_BLOCK_SIZE 128
|
|
|
|
/* Data structure used for SHA-256. */
|
|
typedef struct {
|
|
uint32_t h[8];
|
|
uint32_t tot_len;
|
|
uint32_t len;
|
|
uint8_t block[2 * AVB_SHA256_BLOCK_SIZE];
|
|
uint8_t buf[AVB_SHA256_DIGEST_SIZE]; /* Used for storing the final digest. */
|
|
} AvbSHA256Ctx;
|
|
|
|
/* Data structure used for SHA-512. */
|
|
typedef struct {
|
|
uint64_t h[8];
|
|
uint32_t tot_len;
|
|
uint32_t len;
|
|
uint8_t block[2 * AVB_SHA512_BLOCK_SIZE];
|
|
uint8_t buf[AVB_SHA512_DIGEST_SIZE]; /* Used for storing the final digest. */
|
|
} AvbSHA512Ctx;
|
|
|
|
/* Initializes the SHA-256 context. */
|
|
void avb_sha256_init(AvbSHA256Ctx* ctx);
|
|
|
|
/* Updates the SHA-256 context with |len| bytes from |data|. */
|
|
void avb_sha256_update(AvbSHA256Ctx* ctx, const uint8_t* data, uint32_t len);
|
|
|
|
/* Returns the SHA-256 digest. */
|
|
uint8_t* avb_sha256_final(AvbSHA256Ctx* ctx) AVB_ATTR_WARN_UNUSED_RESULT;
|
|
|
|
/* Initializes the SHA-512 context. */
|
|
void avb_sha512_init(AvbSHA512Ctx* ctx);
|
|
|
|
/* Updates the SHA-512 context with |len| bytes from |data|. */
|
|
void avb_sha512_update(AvbSHA512Ctx* ctx, const uint8_t* data, uint32_t len);
|
|
|
|
/* Returns the SHA-512 digest. */
|
|
uint8_t* avb_sha512_final(AvbSHA512Ctx* ctx) AVB_ATTR_WARN_UNUSED_RESULT;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* AVB_SHA_H_ */
|