> ## Encrypting a TRANSFER document

> To ensure the security of clinical data being shared by disk, e-mail or networked computers, as well as for verification purposes, AudBase allows you to encrypt TRANSFER documents and generate an encryption key that the person importing your data can use for decryption. AudBase will manually encrypt a TRANSFER document when you select this menu item. For this function to work, the Clinical Group you are encrypting the document for must be designated as a study by checking the appropriate box on the Clinical Group form. You must also have generated a private (encryption) key for the group (see Setting up encryption). For more information, see the AudBase Clinical Trials manual.

> To encrypt a TRANSFER doc
> 1. From the administrator menu bar, click Import/Export > Encrypt TRANSFER Doc.
> 2. Select the TRANSFER document you want to encrypt.
>    A Select From List dialog appears with the names of Clinical Groups that have been designated as studies and have private (encryption) keys.
> 3. Click the appropriate group name on the list, and click OK.
>    The encrypted document will replace the unencrypted copy.
> Note: Study Participant IDs are not substituted during a manual encryption. This only occurs as part of an automated Clinical Group export.
> Related topics
> Decrypting a TRANSFER document
> Setting up decryption

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