Attachment 150148 Details for Bug 195630 – minimal poc code in C

minimal poc code in C

poc.c (text/plain), 2.32 KB, created by ebfe on 2014-12-03 17:45:13 UTC

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Creator: ebfe

Created: 2014-12-03 17:45:13 UTC

Size: 2.32 KB

patch

obsolete

>#include <stdio.h>
>#include <string.h>
>#include <rpc/des_crypt.h>
>
>#define LEN 8
>
>char* code_to_msg(int code)
>{
>     switch (code) {  
>     case DESERR_NONE:
>	  return "No error";
>     case DESERR_NOHWDEVICE:
>	  return "Encryption succeeded, but done in software";
>     case DESERR_HWERROR:
>	  return "An error occurred in the hardware or driver.";
>     case DESERR_BADPARAM:
>	  return "Bad argument to routine.";
>     default:
>	  return "Unknown code";
>     }
>}
>
>int main(void)
>{
>     char key1[LEN] = "testkey1";
>     char key2[LEN] = "T3S7k3y2";
>     char secret1[LEN] = "secret 1";
>     char secret2[LEN] = "Hello !!";
>     char secret3[LEN] = "MoreText";
>     char ivec[LEN] = "01234567";
>     
>     des_setparity(key1);
>     int ret = ecb_crypt(key1, secret1, LEN, DES_ENCRYPT);
>     printf("ecb_crypt result: %s | key: %.*s, encrypted buf: %.*s\n",
>	    code_to_msg(ret), LEN, key1, LEN, secret1);
>     
>     ret = ecb_crypt(key1, secret1, LEN, DES_DECRYPT);
>     printf("ecb_crypt result: %s | key: %.*s, decrypted buf: %.*s\n",
>	    code_to_msg(ret), LEN, key1, LEN, secret1);
>     
>     ret = ecb_crypt(key2, secret2, LEN, DES_ENCRYPT);
>     printf("ecb_crypt (without des_setparity) result: %s | "
>	    "key: %.*s, encrypted buf: %.*s\n",
>	    code_to_msg(ret), LEN, key2, LEN, secret2);
>
>     ret = cbc_crypt(key1, secret3, LEN, DES_ENCRYPT, ivec);
>     printf ("cbc_crypt resutl %s | key: %.*s, encrypted buf: %.*s\n",
>	     code_to_msg(ret), LEN, key1, LEN, secret3);
>     printf ("ivec: %.*s\n", LEN, ivec);
>     
>     return 0;     
>}
>
>/* output
>restricted@prison1:/usr/home/restricted/projects/ecb_crypt % uname -rps
>FreeBSD 10.1-STABLE amd64
>restricted@prison1:/usr/home/restricted/projects/ecb_crypt % cc poc.c -o poc
>restricted@prison1:/usr/home/restricted/projects/ecb_crypt % ./poc
>ecb_crypt result: Encryption succeeded, but done in software | key: udsukdy1,
> encrypted buf: secret 1                                                    
>ecb_crypt result: Encryption succeeded, but done in software | key: udsukdy1,
> decrypted buf: secret 1                                                    
>ecb_crypt (without des_setparity) result: Encryption succeeded, but done in s
>oftware | key: T3S7k3y2, encrypted buf: Hello !!                            
>cbc_crypt resutl Encryption succeeded, but done in software | key: udsukdy1, 
>encrypted buf: MoreText
>*/
>

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Attachments on bug 195630: 150148