INTRODUCTION TO CRYPTOGRAPH1

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INTRODUCTION TO CRYPTOGRAPH1

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Institution Introduction To Cryptography - D334

Course Introduction to Cryptography - D334

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INTRODUCTION TO CRYPTOGRAPH1

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INTRODUCTION TO CRYPTOGRAPHY -
D334

Which34cryptanalysis34attacks34involve34examining34patterns34in34the34random34charact
ers34combined34with34the34plaintext34message34to34produce34the34ciphertext34to34see34h
ow34long34the34key34goes34before34it34starts34to34repeat?
A34Linear34cryptanalysis
B34Frequency34analysis
C34Algebraic34attacks
D34Keystream34analysis34-34answer--Keystream34analysis

An34intruder34is34trying34to34break34a34cryptographic34code34by34attacking34both34the34pl
aintext34and34the34ciphertext34at34the34same34time.34Which34type34of34attack34is34the34int
ruder34using?
A34Frequency34analysis
B34Linear34cryptanalysis
C34Differential34cryptanalysis
D34Double34DES34attack34-34answer--Double34DES34attack

Which34IT34security34standard34provides34internationally-
recognized34criteria34for34validating34and34approving34encryption34devices34for34deploym
ent?
A34FIPS34199
B34SP34800-53
C34FISMA
D34FIPS34140-234-34answer--FIPS34140-2

A34company34wants34to34protect34the34content34of34employees'34laptops34to34make34sur
e34that,34in34case34of34a34loss,34someone34who34finds34the34laptop34cannot34easily34byp
ass34the34operating34system34access34controls34by34placing34the34hard34drive34in34anoth
er34computer34system.34Which34encryption34method34can34the34company34use34for34this
34scenario?
A34Self-encrypting34drive
B34File34encryption
C34Trusted34Platform34Module
D34Full34disk34encryption34-34answer--Full34disk34encryption

, A34bank's34customer34wants34to34log34in34to34a34bank's34website34at34https://
www.bankname.com34to34do34an34online34banking34transaction.34How34can34this34custo
mer34make34sure34the34bank34is34authentic34and34someone34else34is34not34pretending34t
o34be34the34bank?
A34Choosing34a34symmetric34session34key
B34Sending34a34Client34Hello
C34Receiving34a34Server34Hello
D34Verifying34that34the34public34key34belongs34to34the34bank34through34the34bank's34digit
al34-34answer--
Verifying34that34the34public34key34belongs34to34the34bank34through34the34bank's34digital

Online34banking34transactions34are34almost34identical34every34time34and34the34data34bei
ng34transported34back34and34forth34is34almost34always34the34same.34This34makes34the34t
ransaction34very34susceptible34to34attacks.34How34can34a34bank34customer34make34sure
34that34each34banking34session34is34different34to34mitigate34an34attack34on34the34commu
nication34with34the34bank?
A34By34using34a34symmetric34session34key
B34By34receiving34a34Server34Hello
C34By34using34the34bank's34digital34certificate
D34By34sending34a34Client34Hello
E34By34using34an34initialization34vector34(IV)34-34answer--
By34using34an34initialization34vector34(IV)

How34can34the34bank34prove34the34integrity34of34the34message34that34a34bank's34custom
er34is34sending34to34its34servers?
A34By34using34the34HMAC34value34from34the34client's34encrypted34message
B34By34using34the34bank's34digital34certificate
C34By34using34an34initialization34vector34(IV).
D34By34sending34a34Server34Hello34to34the34client34-34answer--
By34using34the34HMAC34value34from34the34client's34encrypted34message

Which34cryptographic34algorithm34is34used34to34protect34network-
level34communications?
A34IPSec
B34TLS
C34SSL
D34VPN34-34answer--IPSec

Which34programs34run34on34a34blockchain34to34automate34the34execution34of34an34agree
ment34so34that34all34participants34can34be34immediately34certain34of34the34outcome,34wit
hout34any34intermediary's34involvement34or34time34loss?
A34Gas
B34Hyperledger
C34Block34mining
D34Smart34contracts34-34answer--Smart34contracts

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Number of pages: 12
Written in: 2024/2025
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