@@ -1,14 +1,21 @@ Copyright (C) 1997-2000 Matt Newman TLS 1.4.1 Copyright (C) 2000 Ajuba Solutions -$Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/README.txt,v 1.5 2003/05/15 21:02:10 razzell Exp $ +$Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/README.txt,v 1.6 2004/02/17 21:27:20 razzell Exp $ TLS (aka SSL) Channel - can be layered on any bi-directional Tcl_Channel. Both client and server-side sockets are possible, and this code should work on any platform as it uses a generic mechanism for layering on SSL and Tcl. + +Full filevent sematics should also be intact - see tests directory for +blocking and non-blocking examples. + +The current release is TLS 1.5.0, with binaries built against OpenSSL 0.9.7c. +For best security and function, always compile from source use the latest +official release of OpenSSL. The TLS 1.4 release requires Tcl 8.2.0+, with 8.3.2+ preferred. The stacked channel implementation in Tcl was originally introduced in 8.2.0 (previously the Trf patch) and rewritten for 8.3.2+ due to inherent limitations in the earlier implementation. TLS 1.4 should compile with @@ -16,19 +23,10 @@ There are known limitations in the 8.2.0-8.3.1 stacked channel implementation, so it is encouraged that people use TLS 1.4+ with an 8.3.2+ Tcl interpreter. These modifications are by Jeff Hobbs . -Full filevent sematics should also be intact - see tests directory for -blocking and non-blocking examples. - -This was built (almost) from scratch based upon observation of OpenSSL 0.9.2b. -For correct functioning, use OpenSSL 0.9.6g or later. This release contains -important fixes to memory management, as well as incorporating the verify -callback correction which appeared in OpenSSL 0.9.6c. For best security, use -the latest official release of OpenSSL. - Addition credit is due for Andreas Kupries (a.kupries@westend.com), for providing the Tcl_ReplaceChannel mechanism and working closely with me to enhance it to support full fileevent semantics. Also work done by the follow people provided the impetus to do this "right":-