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T-FLEX Parametric CAD. Fundamentals. 2D Design

T-FLEX Parametric CAD. Fundamentals. 2D Design

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DOCUMENT PROTECTION IN T-<strong>FLEX</strong> <strong>CAD</strong><br />

Document Protection in T-<strong>FLEX</strong> <strong>CAD</strong><br />

This command serves for setting limitations on working with T-<strong>FLEX</strong> <strong>CAD</strong> documents. The developer of a<br />

document or a set of documents (library) can set a protection on those by using this command, and modify<br />

parameters of this protection in the future as necessary.<br />

Working with protected documents requires the user to possess HASP protection key (the “plug”). The<br />

command has the capability of setting multiple protections on one document. Each protection requires<br />

selection of one of the protection types. The developer of the document can set different access rights to this<br />

document for different users. For this purpose, each protection has a set of access types (for editing, for<br />

opening, etc.). A protected document can have an unlimited number of protections, any of which can have its<br />

own set of access types, which allows using this document by different users with different access rights. For<br />

example, one protection would provide only the capability of opening and viewing the document, being set<br />

for all users, while another protection would provide the capability of full access, being set only for a<br />

particular HASP protection key ID.<br />

All information about the document protection is stored within the document.<br />

Protection Parameters<br />

Protection Types<br />

The following types of document protection can be set:<br />

• Not using HASP Plug. This type of protection is set for any user. This type of protection allows, for<br />

example, setting the access only for “Preview” and “Edit variables”. Then, any user working with this<br />

will be able to open it view-only, without being capable of other actions, such as editing or copying<br />

the information. This is convenient if a developer intends to pass the document to the user solely for<br />

getting acquainted with the contents. In this case, the user is not required to possess HASP protection<br />

key, since previewing a document can be performed by the T-<strong>FLEX</strong> Viewer application that does not<br />

require a HASP protection key.<br />

• Specific T-<strong>FLEX</strong> <strong>CAD</strong> HASP Plug or list of HASP Plugs. This type of protection is used in the<br />

cases when the developer knows in advance the IDs of protection keys for T-<strong>FLEX</strong> <strong>CAD</strong> users who<br />

will be working with the protected documents. Enter the IDs of the T-<strong>FLEX</strong> <strong>CAD</strong> protection keys in<br />

the document protection parameters. The access to the protected document will be granted on any<br />

computer with this particular T-<strong>FLEX</strong> <strong>CAD</strong> protection key installed. If using the network key, then<br />

the access can be gained on any computer on the network.<br />

• Password with T-<strong>FLEX</strong> <strong>CAD</strong> HASP Plug. This type of protection is convenient if the developer<br />

does not know in advance the IDs of T-<strong>FLEX</strong> <strong>CAD</strong> protection keys of the users who will be working<br />

with the protected document. This type of protection is generally used when distributing a document<br />

or library (a set of documents). By setting this type of protection on the document once, you do not<br />

have to change the document protection for each new user. After that, the user shall send his (her) T-<br />

<strong>FLEX</strong> <strong>CAD</strong> protection key ID to the developer of the document. The developer uses the currently<br />

described command to generate a password based on the protection key ID, and passes it to the user.<br />

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