The README file in the p5-Crypt-OpenSSL-RSA package contains a license:
Copyright (c) 2001-2003 Ian Robertson. Crypt::OpenSSL::RSA is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
Index: Makefile =================================================================== RCS file: /cvs/ports/security/p5-Crypt-OpenSSL-RSA/Makefile,v retrieving revision 1.5 diff -u -r1.5 Makefile --- Makefile 27 Dec 2004 13:28:34 -0000 1.5 +++ Makefile 14 Jan 2007 20:16:22 -0000 @@ -13,10 +13,10 @@ MAINTAINER= Wesley Griffin <[EMAIL PROTECTED]> -PERMIT_PACKAGE_CDROM= "No license" -PERMIT_PACKAGE_FTP= "No license" -PERMIT_DISTFILES_CDROM= "No license" -PERMIT_DISTFILES_FTP= "No license" +PERMIT_PACKAGE_CDROM= Yes +PERMIT_PACKAGE_FTP= Yes +PERMIT_DISTFILES_CDROM= Yes +PERMIT_DISTFILES_FTP= Yes WANTLIB= crypto ssl RUN_DEPENDS= :p5-Crypt-OpenSSL-Random->=0.03:security/p5-Crypt-OpenSSL-Random