- Sun Storage Virtual Tape Library VTL User Guide

Encrypting and shredding data
96267 • G Chapter 4 VTL operations 133
thekeypackage.Ifyouprovideanincorrectpassword,youwillstillbeableto
importthekeysinthepackage,butyouwillnotbeableto usethemtodecryptany
datathatwaspreviouslyencryptedusingthosekeys.
6. FromtheSelect Keys to Import list,selectthe keysthatyouwantto
import.
Youcanselect onlythosekeysthat haveagreendotandthephraseReady for
ImportintheStatuscolumn .AreddotandthephraseDuplicate Key Name
indicatesthatakeyofthesamenamealreadyex istsinthisinstanceofVTLand
cannotbe imported.
Ifyouselecte dakey
andsubsequentlydecidenottoimportit,youcancl ea rthekey.
Youcanalsoclearallselected keysbyclickingDe-Select All.(Youcanclickthis 
buttononlyiftheShow All Keyscheckboxiscleared.)
Note:Akeyofthesa me namemightnotnecessarilyhavethesamesecretphrase.
Forexample,youmighthaveakeynamedKey1 withasecretphraseof
ThisIsTheSecretPhraseForKey1.Ifthekeypackagewascreatedbyanotherinst an ce
ofVTL,itmightalsohaveakeynamedKey1,butitssecretphrasemightbe
ThisIsADifferentSecretPhrase.Sincetheke ynamesarethesame,youwillnot
beable
toim portthekeyinthekeypackageunlessyourenametheexistingKey1.Afteryou
renamethekey, youcancontinuetouseittodecrypttapesthatwereencrypted
usingthatkey,andyoucanalsoimportthekeynamedKey1fromthekeypackage
and
useitto decrypt tapesthatwereencrypted usingthatkey.
7. ClickOK.
TheimportedkeysappearintheKey NamelistontheKey Managementdialog
box.Whenyousubsequentlyexportorimportatape ,thesekeynamesalsoappearin
theSelect a Keylis t .
Stophere.
▼ Shreddinga virtualtape
Justasdelet ingafilefromyourharddrivedoesnot com pl ete ly destroythe file,
deletingavirtualtapedoe snotcompletelydestroythedataonthetape.Ifyouwant
toensurethat thedataisunrecoverable,youmustshredthetape.
Shreddingavirtualtapedestroysall dataon
thetape,makingit im possi bl eto
recoverthedata.Tapeshreddingusesamilitarystandardtodestroydataonvirtual
tapesbyoverwritingitwitharandompatternsofbits,renderingthedata
unreadable.
Toshredtapes: