User Guide

McAfee Utilities
122 McAfee Office
Decrypting emails and files
When someone sends you encrypted data, you c an unscramble the contents
andverify anyappend ed signatureto make sure that thed ata originatedwith
the alleged sender and that it has not been altered.
• If you are using an em ail application that is supported by the
plug-ins,y ou candecryptandverifyy ourm essages byselectingthe
appropriate o ptions fr om your application’s tool bar.
• If your email application is not supported by the p lug- ins, you c an
copy the m es sage to the clipboard and perform the appropriate
functions from there. If you want to decrypt and verify file
attachments, you can do so from the Windows c lipboard. You can
also decrypt encrypted fil es stored on your comput er, and verify
signed files to ensure that they have not been tampered w ith.
You can decrypt files using PGPtools:
1. In the Windows Explorer, select the file or files that you want to decrypt.
2. Drag thefileontotheDecrypt/Verifybuttonin thePGPtoolswindow.The
PGP Enter Passphrase dialog box appears, asking you to enter your
passphrase.
3. Enter your passphrase and then click OK. If the file has been signed, a
message appears indicating whether the signature is valid.
4. Click OK.
The decrypted file i s saved in the same location as the original file.
PGPdisk
PGPdisk is a n easy-to-use encryption applicationthat enables you tos et aside
an area of disk space for storing your sensitive data. This reserved space is
used to create a file called a PG Pdisk volume.
Although it is a single file, a PG Pdisk volume serves v e ry much like a hard
disk in that it provides storage space for you r files and applicatio ns. You can
consider itasa floppy disk or an exte rna l hard disk. Touse the applications or
open the filesstored in the volume, you need to moun t it t o m ake it accessible.