Introduction to cryptography, Computer Network Security

Assignment Help:

INTRODUCTION TO CRYPTOGRAPHY

Cryptography

The word cryptography is derived from Greek words kryptos, which means hidden and graphein, meaning to write, this is the process of making and by using codes to secure transmission of the information.

Encryption

Encryption is the procedure of converting an original message into a form which is not readable by unauthorized individuals.

Decryption

Decryption is process of converting cipher text message back into plaintext.

Cryptanalysis

Cryptanalysis is process of obtaining original message from encrypted message without knowing the algorithms and keys used to perform encryption.

Cryptology

Cryptology is science of encryption that combines cryptography and cryptanalysis both


Related Discussions:- Introduction to cryptography

Introduction to planning for security, INTRODUCTION TO PLANNING FOR SECURIT...

INTRODUCTION TO PLANNING FOR SECURITY The creation of an information security program begins with creation and review of organization’s information security policies, standards,

Balancing security and access-information security, BALANCING SECURITY AND ...

BALANCING SECURITY AND ACCESS Even with best planning and implementation, it is impossible to obtain perfect security, that is, it is a process, not an absolute. Security should

Extended euclidean algorithm, (a) Using the extended Euclidean algorithm, ...

(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67. (b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:

Virtual packets, VIRTUAL PACKETS These data packets serve same reason ...

VIRTUAL PACKETS These data packets serve same reason in Internet as frames on LAN. Every packet has a header. Routers, which are normally gateways, transfer packets between ph

Threads and attacks-information security, THREADS AND ATTACKS Threat is ...

THREADS AND ATTACKS Threat is an object, person, or other entity which represents a constant danger to an asset. To make sound decisions about information security, management s

Http protocol, Question (a) Name 3 popular electronic mail access prot...

Question (a) Name 3 popular electronic mail access protocols? (b) i. What is DNS? ii. Briefly, describe what it does and how it works? iii. Why does DNS use a dist

Describe benefits of effective communication, Question: (a) Explain the...

Question: (a) Explain the following terms: Information Communication Technology, Operating System and Application Software. (b) Define what a computer is, give four anatomi

SNORT, Detect each visit to www.google.com that is made by the machine. o S...

Detect each visit to www.google.com that is made by the machine. o Send an alert when an activity relating to network chat is detected. o Send an alert when an attempt is made for

Ids deployment overview, IDS Deployment Overview The decision regarding ...

IDS Deployment Overview The decision regarding control strategies, decisions about where to locate elements of intrusion detection systems is an art in itself. Planners should s

Ip address, How to find an ip address?

How to find an ip address?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd