Jochen, Are there available versions of DES with assembly code for PowerPC (motorola's mpc860 family) ? (or Perl scripts that generate code for PowerPC ?) Thanks! Hugo. Hugo Krapf <hkrapf at terra.com.br> Software Development Gemmax Informatica Ltda. Tel/Fax +55 51 3222-9926 Felix da Cunha 751 conj 401, 90570-001 Porto Alegre RS, Brazil