misc/md5/md5.c

/* 
 * md5.c by Torben Nielsen
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <openssl/md5.h>

int main(int argc, char *argv[])
{
        FILE *file;
        unsigned char *output;
        unsigned char *buf;
        int num;
        int size;
        int i;
        MD5_CTX *md5struct;

        size = sizeof(unsigned char);

        if (argc != 2)
        {
                printf("Usage: md5 <file>\n");
                return 1;
        }

        file = fopen(argv[1],"r");

        if (file == 0)
        {
                printf("Could not open %s\n", argv[1]);
                return 2;
        }

        md5struct = malloc( sizeof(MD5_CTX) );
        MD5_Init(md5struct);

        buf = malloc( size * 128);
        while (!feof(file))
        {
                num = fread(buf, size, 128, file);
                MD5_Update(md5struct, buf, num*size) ;
        }
        fclose(file);

        output = malloc( size * 16);

        MD5_Final(output, md5struct);

        for (i=0;i<16;i++)
        {
                printf("%02x",output[i]);
        }
        printf("  %s\n", argv[1]);

        free(md5struct);
        free(output);

        return 0;
}
1	/*
2	* md5.c by Torben Nielsen
3	*
4	*/
5
6	#include <stdlib.h>
7	#include <stdio.h>
8	#include <openssl/md5.h>
9
10	int main(int argc, char *argv[])
11	{
12	FILE *file;
13	unsigned char *output;
14	unsigned char *buf;
15	int num;
16	int size;
17	int i;
18	MD5_CTX *md5struct;
19
20	size = sizeof(unsigned char);
21
22	if (argc != 2)
23	{
24	printf("Usage: md5 <file>\n");
25	return 1;
26	}
27
28	file = fopen(argv[1],"r");
29
30	if (file == 0)
31	{
32	printf("Could not open %s\n", argv[1]);
33	return 2;
34	}
35
36	md5struct = malloc( sizeof(MD5_CTX) );
37	MD5_Init(md5struct);
38
39	buf = malloc( size * 128);
40	while (!feof(file))
41	{
42	num = fread(buf, size, 128, file);
43	MD5_Update(md5struct, buf, num*size) ;
44	}
45	fclose(file);
46
47	output = malloc( size * 16);
48
49	MD5_Final(output, md5struct);
50
51	for (i=0;i<16;i++)
52	{
53	printf("%02x",output[i]);
54	}
55	printf(" %s\n", argv[1]);
56
57	free(md5struct);
58	free(output);
59
60	return 0;
61	}