REVIEWED: Coding conventions

This commit is contained in:
Ray
2024-12-03 19:14:14 +01:00
parent b50d418ec7
commit 1f45e7af76
7 changed files with 61 additions and 50 deletions

View File

@@ -2765,7 +2765,8 @@ unsigned int *ComputeMD5(unsigned char *data, int dataSize)
// Compute SHA-1 hash code
// NOTE: Returns a static int[5] array (20 bytes)
unsigned int *ComputeSHA1(unsigned char *data, int dataSize) {
unsigned int *ComputeSHA1(unsigned char *data, int dataSize)
{
#define ROTATE_LEFT(x, c) (((x) << (c)) | ((x) >> (32 - (c))))
static unsigned int hash[5] = { 0 }; // Hash to be returned
@@ -2800,17 +2801,16 @@ unsigned int *ComputeSHA1(unsigned char *data, int dataSize) {
{
// Break chunk into sixteen 32-bit words w[j], 0 <= j <= 15
unsigned int w[80] = {0};
for (int i = 0; i < 16; i++) {
w[i] = (msg[offset + (i * 4) + 0] << 24) |
(msg[offset + (i * 4) + 1] << 16) |
(msg[offset + (i * 4) + 2] << 8) |
(msg[offset + (i * 4) + 3]);
for (int i = 0; i < 16; i++)
{
w[i] = (msg[offset + (i*4) + 0] << 24) |
(msg[offset + (i*4) + 1] << 16) |
(msg[offset + (i*4) + 2] << 8) |
(msg[offset + (i*4) + 3]);
}
// Message schedule: extend the sixteen 32-bit words into eighty 32-bit words:
for (int i = 16; i < 80; ++i) {
w[i] = ROTATE_LEFT(w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16], 1);
}
for (int i = 16; i < 80; i++) w[i] = ROTATE_LEFT(w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16], 1);
// Initialize hash value for this chunk
unsigned int a = hash[0];
@@ -2824,16 +2824,23 @@ unsigned int *ComputeSHA1(unsigned char *data, int dataSize) {
unsigned int f = 0;
unsigned int k = 0;
if (i < 20) {
if (i < 20)
{
f = (b & c) | ((~b) & d);
k = 0x5A827999;
} else if (i < 40) {
}
else if (i < 40)
{
f = b ^ c ^ d;
k = 0x6ED9EBA1;
} else if (i < 60) {
}
else if (i < 60)
{
f = (b & c) | (b & d) | (c & d);
k = 0x8F1BBCDC;
} else {
}
else
{
f = b ^ c ^ d;
k = 0xCA62C1D6;
}