http://www.unicode.org/Public/security/ This public directory contains data files for the UTS #39: Unicode Security Mechanisms. The subdirectories contain data files associated with a given version, with names such as: http://www.unicode.org/Public/security/revision-04/ http://www.unicode.org/Public/security/6.3.0/ The data files for the latest approved version are also in the directory: http://www.unicode.org/Public/security/latest For more information, see http://www.unicode.org/reports/tr39/.