add sha256sum support code

This commit is contained in:
berkeviktor@aol.com 2010-10-20 18:26:14 +02:00
parent 6a58b4a5fc
commit 48045bdf6a
3 changed files with 81 additions and 1 deletions

74
src/common/checksum.c Normal file
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@ -0,0 +1,74 @@
/* this is a cleaned-up version of
* http://adamlamers.com/?p=5
*/
#include <stdio.h>
#include <malloc.h>
#include <errno.h>
#include "checksum.h"
void
sha256_hash_string (unsigned char hash[SHA256_DIGEST_LENGTH], char outputBuffer[65])
{
int i = 0;
for (i = 0; i < SHA256_DIGEST_LENGTH; i++)
{
sprintf(outputBuffer + (i * 2), "%02x", hash[i]);
}
outputBuffer[64] = 0;
}
void
sha256 (char *string, char outputBuffer[65])
{
int i;
unsigned char hash[SHA256_DIGEST_LENGTH];
SHA256_CTX sha256;
SHA256_Init (&sha256);
SHA256_Update (&sha256, string, strlen(string));
SHA256_Final (hash, &sha256);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++)
{
sprintf (outputBuffer + (i * 2), "%02x", hash[i]);
}
outputBuffer[64] = 0;
}
int
sha256_file (char *path, char outputBuffer[65])
{
int bytesRead;
unsigned char *buffer;
unsigned char hash[SHA256_DIGEST_LENGTH];
SHA256_CTX sha256;
FILE *file = fopen (path, "rb");
if (!file)
{
return -534;
}
SHA256_Init (&sha256);
buffer = malloc (BUFSIZE);
bytesRead = 0;
if (!buffer)
{
return ENOMEM;
}
while ((bytesRead = fread (buffer, 1, BUFSIZE, file)))
{
SHA256_Update (&sha256, buffer, bytesRead);
}
SHA256_Final (hash, &sha256);
sha256_hash_string (hash, outputBuffer);
fclose (file);
free (buffer);
return 0;
}

6
src/common/checksum.h Normal file
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@ -0,0 +1,6 @@
#include <openssl/sha.h>
#define BUFSIZE 32768
void sha256_hash_string (unsigned char hash[SHA256_DIGEST_LENGTH], char outputBuffer[65]);
void sha256 (char *string, char outputBuffer[65]);
int sha256_file (char *path, char outputBuffer[65]);

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@ -968,7 +968,7 @@ diff -ruN --strip-trailing-cr xchat-wdk.orig/src/fe-gtk/fe-gtk.c xchat-wdk/src/f
sess = find_dialog (serv_list->data, "(warnings)"); sess = find_dialog (serv_list->data, "(warnings)");
diff -ruN --strip-trailing-cr xchat-wdk.orig/src/fe-gtk/fe-gtk.h xchat-wdk/src/fe-gtk/fe-gtk.h diff -ruN --strip-trailing-cr xchat-wdk.orig/src/fe-gtk/fe-gtk.h xchat-wdk/src/fe-gtk/fe-gtk.h
--- xchat-wdk.orig/src/fe-gtk/fe-gtk.h 2010-05-30 08:31:29 +0200 --- xchat-wdk.orig/src/fe-gtk/fe-gtk.h 2010-05-30 08:31:29 +0200
+++ xchat-wdk/src/fe-gtk/fe-gtk.h 2010-10-09 12:53:27 +0200 +++ xchat-wdk/src/fe-gtk/fe-gtk.h 2010-10-17 00:26:18 +0200
@@ -4,7 +4,7 @@ @@ -4,7 +4,7 @@
/* If you're compiling this for Windows, your release is un-official /* If you're compiling this for Windows, your release is un-official
* and not condoned. Please don't use the XChat name. Make up your * and not condoned. Please don't use the XChat name. Make up your