TASK $1(15$ POINTS$)$:

Decrypt the message bellow using the CEASER cipher tool and follow the instruction of the message. And what is the key? Use the CrypTool App or the following web$-$based App tool. or link cryptool

Ghdu Vwxghqwv$,$

Sohdvh surylgh ph zlwk wkh iroorzlqj:

Brxu Ixoo Qdph:

Brxu LG:

Brxu Ode Vhfwlrq Qxpehu:

Break the encryption of the message bellow using this web$-$based Link javainuse. com $/$ aesgenerator

$$ AES $($CBC$)128$ key length.

$$ Enter Secret Key AND Enter Initialization Vector are $0123456789$abcdef

$$ The ciphered text is

teva$4/$VLr$4$aGYawXQCjNRyPsN$/$ObvpB$28$QvUx$4$C$5$xdab$8$s$4+1$J$8$YLbTHITulbT$2$RsXvDZP$4$NEH$0$LMpAOl$+$XbZk$3$zodsMfXHsRNhsZqqcPV$0$Lx$37$LcltJoyzMAXNi$9$R$0$thpszreqIq$/$B$3$lNIhhxW$5$Q$/$eip$8$ZvALOP$8$BiFqS$6$IQL$+$A$+$U$6$SUChDZIV$0$Wyj$3$rr$9$Zt$3$cHcnXimWc$4$eyurAf$3$OofRcTZDKUOZOlfSqLT$9$kP$0$yBqj$6$PSePBpVMs$4//$jkpIqJuFqZo$9$RnmYLP$3$QAH$9/$gNZwkYydjsOWxQ$6$LHFF$84$DnhSSZw$/4$UTuLNbJfIaNizHmHVnEXayA$7$IkqlgntQURaaWYpXxQcve$2/$kGyhtoPN$0$M$6$krXAWkAU$+$I$3$T$86$tsDbBzdhLOWgqRAMwk$7$AJPn$0$ald$+$GbId$5$fhbyoLsWIXO$69$s$7$heUBwT$+$h$2$jQr$87$hHytQzjHclRHv$80$Mgm$0$jbvOifNdCewtHvqmmk$1$tWcWXnrxZ$4$kZKr$+$PfHuKFhPmqZwqPxqYfKYX$/$k$/$bT$572$r$9$xGMf$1$IERUPlfNpcMCF$/$oSTo$3$ss$013$hFUV$+$XZNnXC$+$EhiakT$7$b$/$mRdVKzcALJMfw$5$fwGbLX$5$B$1$YP$7$OKcxCvD$/$FuyqHmAimpyR$3$vOH$4$W$+8$UtBinTWdI$/$DzpedAOEt$8$W$+$eEUXMrMbohlJG$1$w$+$gVKeQwn$9$jAYgohmJnf$+$rlhX$4$okDSgB$7$li$1$fvlodJA$5$BeJSsobc$4$i$0$nyrznVsVEam$/$A$251$KdQX$0$syKCm$9$qx$1$COMxd$14$pww$1$Q$95$QhrJRS$2$pvOATSdWkxFM$16$vUrk$6$N$2$m$8$erNoEUB$/$g$0$Ka$4$X$9$EmlY$=$

TASK $3(10$ POINTS$)$:

Answer the above Plaintext $($your findings$)$ in Task $2$

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