Dogcows Code - chaz/p5-File-KDBX-XS/blob - XS.xs

   1 #define PERL_NO_GET_CONTEXT
   2 #include "EXTERN.h"
   3 #include "perl.h"
   4 #include "XSUB.h"
   5 #include "ppport.h"
   6
   7 #include "tomcrypt.h"
   8
   9 MODULE = File::KDBX::XS  PACKAGE = File::KDBX::KDF::AES
  10
  11 PROTOTYPES: DISABLE
  12
  13 SV*
  14 _transform_half_xs(const char* key, const char* seed, unsigned int rounds)
  15     CODE:
  16         symmetric_key skey;
  17
  18         unsigned char work[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  19         Copy(seed, work, 1, work);
  20
  21         aes_setup(key, 32, 14, &skey);
  22         for (unsigned int i = 0; i < rounds; ++i) {
  23             aes_ecb_encrypt(work, work, &skey);
  24         }
  25
  26         SV* result = newSVpvn(work, sizeof(work));
  27
  28         Zero(&skey, 1, skey);
  29         Zero(work,  1, work);
  30
  31         RETVAL = result;
  32     OUTPUT:
  33         RETVAL
  34