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Added System.installApp.
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@Rinnegatamante
Rinnegatamante committed Apr 1, 2021
1 parent fc788bd commit 3fac995
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15 changes: 15 additions & 0 deletions doc/luaSystem.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1085,5 +1085,20 @@ class System{
* @note This function is available only in unsafe mode.
*/
void mountPartition(int idx, MntPerm perms);

/**
* Install an extracted app.
* \ingroup System
*
* @par Usage example:
* @code
* System.installApp("ux0:/vitaQuake")
* @endcode
*
* @param dir - The path to the extracted app.
*
* @note This function is available only in unsafe mode.
*/
void installApp(string dir);

}
75 changes: 75 additions & 0 deletions source/include/head.h
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#ifndef __head__
#define __head__

unsigned int size_head = 1072;
unsigned char head[] __attribute__((aligned(16))) = {
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};

#endif
160 changes: 160 additions & 0 deletions source/include/sha1.c
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/*********************************************************************
* Filename: sha1.c
* Author: Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details: Implementation of the SHA1 hashing algorithm.
Algorithm specification can be found here:
* http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
This implementation uses little endian byte order.
*********************************************************************/

/*************************** HEADER FILES ***************************/
#include "sha1.h"

#include <stdlib.h>
#include <string.h>

/****************************** MACROS ******************************/
#define ROTLEFT(a, b) ((a << b) | (a >> (32 - b)))

/*********************** FUNCTION DEFINITIONS ***********************/
void sha1_transform(SHA1_CTX* ctx, const BYTE data[])
{
WORD a, b, c, d, e, i, j, t, m[80];

for (i = 0, j = 0; i < 16; ++i, j += 4)
m[i] = (data[j] << 24) + (data[j + 1] << 16) + (data[j + 2] << 8) + (data[j + 3]);
for (; i < 80; ++i)
{
m[i] = (m[i - 3] ^ m[i - 8] ^ m[i - 14] ^ m[i - 16]);
m[i] = (m[i] << 1) | (m[i] >> 31);
}

a = ctx->state[0];
b = ctx->state[1];
c = ctx->state[2];
d = ctx->state[3];
e = ctx->state[4];

for (i = 0; i < 20; ++i)
{
t = ROTLEFT(a, 5) + ((b & c) ^ (~b & d)) + e + ctx->k[0] + m[i];
e = d;
d = c;
c = ROTLEFT(b, 30);
b = a;
a = t;
}
for (; i < 40; ++i)
{
t = ROTLEFT(a, 5) + (b ^ c ^ d) + e + ctx->k[1] + m[i];
e = d;
d = c;
c = ROTLEFT(b, 30);
b = a;
a = t;
}
for (; i < 60; ++i)
{
t = ROTLEFT(a, 5) + ((b & c) ^ (b & d) ^ (c & d)) + e + ctx->k[2] + m[i];
e = d;
d = c;
c = ROTLEFT(b, 30);
b = a;
a = t;
}
for (; i < 80; ++i)
{
t = ROTLEFT(a, 5) + (b ^ c ^ d) + e + ctx->k[3] + m[i];
e = d;
d = c;
c = ROTLEFT(b, 30);
b = a;
a = t;
}

ctx->state[0] += a;
ctx->state[1] += b;
ctx->state[2] += c;
ctx->state[3] += d;
ctx->state[4] += e;
}

void sha1_init(SHA1_CTX* ctx)
{
ctx->datalen = 0;
ctx->bitlen = 0;
ctx->state[0] = 0x67452301;
ctx->state[1] = 0xEFCDAB89;
ctx->state[2] = 0x98BADCFE;
ctx->state[3] = 0x10325476;
ctx->state[4] = 0xc3d2e1f0;
ctx->k[0] = 0x5a827999;
ctx->k[1] = 0x6ed9eba1;
ctx->k[2] = 0x8f1bbcdc;
ctx->k[3] = 0xca62c1d6;
}

void sha1_update(SHA1_CTX* ctx, const BYTE data[], size_t len)
{
size_t i;

for (i = 0; i < len; ++i)
{
ctx->data[ctx->datalen] = data[i];
ctx->datalen++;
if (ctx->datalen == 64)
{
sha1_transform(ctx, ctx->data);
ctx->bitlen += 512;
ctx->datalen = 0;
}
}
}

void sha1_final(SHA1_CTX* ctx, BYTE hash[])
{
WORD i;

i = ctx->datalen;

// Pad whatever data is left in the buffer.
if (ctx->datalen < 56)
{
ctx->data[i++] = 0x80;
while (i < 56)
ctx->data[i++] = 0x00;
}
else
{
ctx->data[i++] = 0x80;
while (i < 64)
ctx->data[i++] = 0x00;
sha1_transform(ctx, ctx->data);
memset(ctx->data, 0, 56);
}

// Append to the padding the total message's length in bits and transform.
ctx->bitlen += ctx->datalen * 8;
ctx->data[63] = ctx->bitlen;
ctx->data[62] = ctx->bitlen >> 8;
ctx->data[61] = ctx->bitlen >> 16;
ctx->data[60] = ctx->bitlen >> 24;
ctx->data[59] = ctx->bitlen >> 32;
ctx->data[58] = ctx->bitlen >> 40;
ctx->data[57] = ctx->bitlen >> 48;
ctx->data[56] = ctx->bitlen >> 56;
sha1_transform(ctx, ctx->data);

// Since this implementation uses little endian byte ordering and MD uses big endian,
// reverse all the bytes when copying the final state to the output pair_hash.
for (i = 0; i < 4; ++i)
{
hash[i] = (ctx->state[0] >> (24 - i * 8)) & 0x000000ff;
hash[i + 4] = (ctx->state[1] >> (24 - i * 8)) & 0x000000ff;
hash[i + 8] = (ctx->state[2] >> (24 - i * 8)) & 0x000000ff;
hash[i + 12] = (ctx->state[3] >> (24 - i * 8)) & 0x000000ff;
hash[i + 16] = (ctx->state[4] >> (24 - i * 8)) & 0x000000ff;
}
}
44 changes: 44 additions & 0 deletions source/include/sha1.h
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/*********************************************************************
* Filename: sha1.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.
*********************************************************************/

#ifndef SHA1_H
#define SHA1_H

/*************************** HEADER FILES ***************************/
#include <stddef.h>
#include <inttypes.h>

#ifdef __cplusplus
extern "C" {
#endif

/****************************** MACROS ******************************/
#define SHA1_BLOCK_SIZE 20 // SHA1 outputs a 20 byte digest

/**************************** DATA TYPES ****************************/
typedef uint8_t BYTE; // 8-bit byte
typedef uint32_t WORD; // 32-bit word, change to "long" for 16-bit machines

typedef struct {
BYTE data[64];
WORD datalen;
unsigned long long bitlen;
WORD state[5];
WORD k[4];
} SHA1_CTX;

/*********************** FUNCTION DECLARATIONS **********************/
void sha1_init(SHA1_CTX *ctx);
void sha1_update(SHA1_CTX *ctx, const BYTE data[], size_t len);
void sha1_final(SHA1_CTX *ctx, BYTE hash[]);

#ifdef __cplusplus
}
#endif

#endif // SHA1_H
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