Added support for AutoCAD2013 and 2014, and added support for 64-bit systems.
The format of the signature sample has been modified from the original sgn file to a sign file. Old users need to apply for a signature sample again.
The signature interface has been modified and unnecessary options have been removed to make it easier to use.
Part of the signature data is obtained from the network, and the security of the signature is improved.
Some bugs in the original version have been modified.
it works
it works
it works