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Loader: Use HW-acceleration for SHA256

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This commit is contained in:
Michael Scire
2018-07-24 01:26:37 -07:00
parent e58927a8ab
commit dd4993dfda
5 changed files with 287 additions and 171 deletions
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57
stratosphere/loader/source/sha256.h
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@@ -1,41 +1,36 @@
/*********************************************************************
* Filename: sha256.h
* Author: Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details: Defines the API for the corresponding SHA1 implementation.
*********************************************************************/
#pragma once
#if defined (__cplusplus)
/* Based on linux source code */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef SHA256_H
#define SHA256_H
/*************************** HEADER FILES ***************************/
#include <stddef.h>
#include <switch/types.h>
/****************************** MACROS ******************************/
#define SHA256_BLOCK_SIZE 32 // SHA256 outputs a 32 byte digest
#define SHA256_DIGEST_SIZE 32
#define SHA256_BLOCK_SIZE 64
/**************************** DATA TYPES ****************************/
typedef unsigned char BYTE; // 8-bit byte
typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
#define SHA256_H0 0x6a09e667UL
#define SHA256_H1 0xbb67ae85UL
#define SHA256_H2 0x3c6ef372UL
#define SHA256_H3 0xa54ff53aUL
#define SHA256_H4 0x510e527fUL
#define SHA256_H5 0x9b05688cUL
#define SHA256_H6 0x1f83d9abUL
#define SHA256_H7 0x5be0cd19UL
typedef struct {
BYTE data[64];
WORD datalen;
unsigned long long bitlen;
WORD state[8];
} SHA256_CTX;
struct sha256_state {
u32 state[SHA256_DIGEST_SIZE / 4];
u64 count;
u8 buf[SHA256_BLOCK_SIZE];
};
/*********************** FUNCTION DECLARATIONS **********************/
void sha256_init(SHA256_CTX *ctx);
void sha256_update(SHA256_CTX *ctx, const BYTE data[], size_t len);
void sha256_final(SHA256_CTX *ctx, BYTE hash[]);
int sha256_init(struct sha256_state *sctx);
int sha256_update(struct sha256_state *sctx, const void *data, size_t len);
int sha256_finalize(struct sha256_state *sctx);
int sha256_finish(struct sha256_state *sctx, void *out);
#endif // SHA256_H
#if defined (__cplusplus)
#ifdef __cplusplus
}
#endif
#endif