Solved. I found that although I had configured openssl to use the 64bit libraries, I hadn't configured rsaref to use them. This caused the libraries to be incompatible. Recompiling rsaref with the correct flags (-xtarget=ultra -xarch=v9) worked. Thanks to those who replied! -- Steve Brewer <[EMAIL PROTECTED]> | Se iu diras, "Mi havas korpon", oni http://www.bio.umass.edu/bcrc/sb.html | povas demandi, "Kiu parolas tie ^ci Voice: 413-545-2272 Fax: 413-545-3243 | per tiu ^ci bu^so?" Biology Dept. Umass Amherst, MA 01003 | -- Wittgenstein ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]