Cipher Essays

  • Analysis Of Vigenère Cipher

    2141 Words  | 9 Pages

    Cracking different Ciphers Himanshu Mehta Mr. Classey Rationale This mathematics exploration is focus around the topics of cryptography to be more focused this exploration will look at some of the ciphers which have been used in the past. My decision to pursue this topic was mainly because of my interest in the Enigma Code machine built by German engineer Arthur Scherbius and was used in the World War II. This device is fascinating because it was the most advanced cipher in the 1940’s

  • Advantages And Disadvantages Of Cryptography

    1472 Words  | 6 Pages

    Cryptography is a technique or method to secure personal data from unauthorized user. In cryptography two types of operation are performed. (i) Encryption and (ii) Decryption. To encrypt and decrypt data a secret key is used. After encryption original data is converted into another format known as cyphertext, which is not easy to understand. In the present era everyone needs fast processing and less space required to store results in computation process as well as security of information. There are

  • The Art Of Steganography

    7033 Words  | 29 Pages

    is distributed in the open so that anyone wishing to communicate with that in a secure way than he can use the receiver’s public key to convert the plaintext into cipher text. This cipher text cannot be converted into same plaintext using same public key. Therefore, there is no issue if some other person knows about public key. This cipher text is converted into plaintext using receiver’s private key. The Public Key Cryptography can be used to verify the authentication of message in which a message

  • Cryptography Research Paper

    1101 Words  | 5 Pages

    used technique of secret writing which is the term used for data and information security and protects that information from various attacks. Cryptography is the process of converting a known text or plaintext into a human unreadable format called cipher text by encoding the original message using some encoding technique. Security is concerned with the protection of the network and data transmission over the network. Data Security is the most essential aspect of secure data transmission over the network

  • Why Is Data Storage Encryption Important

    984 Words  | 4 Pages

    com/feature/Encryption-techniques-and-products-for-hardware-based-data-storage-security might help} Encryption is the process of encoding a message so that it can only be read by the sender and the intended recipient. When electronic data is encrypted it is converted into another form called cipher text, which cannot be easily understood by anyone except authorized parties. The main role of encryption is to be able to safely store data in your computer or send a message through a network and protect the confidentiality of the information.

  • Why Is Data Encryption Important

    1286 Words  | 6 Pages

    Attack on data always happens without the person involve realize about it. This is why data encryption is important. Data encryption using asymmetric key is one of the most trustable data security algorithm. When the sender wants to send data or message, data encryption will change the data to an indecipherable state by using algorithms or theorems. Data encryptions are initially used by the authority military to communicate with each other during the old days. Nowadays, data encryption has become

  • Steganography Techniques Using Cryptography

    1828 Words  | 8 Pages

    Email Id: Abstract: The two important aspects of security that deal with transmitting information or data over some medium like internet are cryptography and steganography. Cryptography results in converting plain text into cipher text which is in unreadable or in non-explanatory form, difficult to be guessed by eavesdropper, Steganography on the other hand hides the secret data into carrier medium in such a way that its detection is prevented. Steganography is not a replacement

  • Disadvantages And Disadvantages Of Unicode SMS

    1583 Words  | 7 Pages

    What is Unicode SMS? The term “Unicode SMS” refers to text messages sent and received containing characters not included in the default GSM character set. GSM stands for Global System for Mobile Communications (originally “Groupe Spécial Mobile”), and the GSM character set is a collection of the 128 letters (A-Z), numbers (0-9) and symbols (i.e. @, ?, !, &, etc.) most commonly used in mobile communications. Because GSM was developed in Europe and uses 7-bit binary code, it has its limitations. For

  • Homomorphic Encryption Case Study

    1076 Words  | 5 Pages

    The so-called fully homomorphic encryption is considered the Holy Grail of Cryptography. Addition and multiplication are the main building blocks of computers, and the ability to make calculations on encrypted data without decrypting it, would lead to a whole new level of security. So, a company, for example, could send an encrypted database to a cloud computing provider, which would work on that data without decrypting it. If a customer wanted then to perform a search on their personal database

  • Steganoography Research Paper

    9164 Words  | 37 Pages

    A Survey of Different Steganography Techniques Abstract Steganography is defined as the study of invisible communication. It usually deals with the ways of hiding the existence of the communicated data in such a way that it remains confidential. It maintains secrecy between the two communicating parties. The main objectives of steganography are high capacity of the hidden data, perceptual transparency (invisibility), temper resistance, undetectability, computation complexity and robustness. It

  • Active Camouflage Research Paper

    2576 Words  | 11 Pages

    JAYARAJ ANNAPACKIAM CSI COLLEGE OF ENGINEERING NAZARETH DEPARTMENT OF ECE - IV PAPER ON OPTICAL CAMOUFLAGE (Application to IMAGE PROCESSING) BY, J.IMMANUEL V.JEFRINS E MAIL-ID : ABSTRACT: The abstract of this paper is the working principle of a Harry Potter-like invisibility cloak. In order to make the cloak invisible, Light from all directions travel through the object, rather than hitting it. Because of not being able to interact with light, the hidden

  • Alan Turing And The Imitation Game

    1091 Words  | 5 Pages

    Alan Turing was a mathematician, cryptanalysis, and a well known war hero. In 1952, he worked at Bletchley Park, Britain’s code breaking center, during the Second World War. Subsequently, he cracked the Enigma, which is an electro mechanical rotor cipher machine that generates a new code every 24 hours, used by Nazi Germany. A year later, he also cracked Germany’s Naval Enigma, which was an even more complicated design than the Enigma. This shortened the period of the war by two years, which in turn

  • The History Of Steganography

    1583 Words  | 7 Pages

    The conceivable spread transporters are blameless looking carriers (images, audio, video, text, or some other digitally representative code) which will hold the concealed data. A message is the data concealed and it may be plain text, cipher text, images, or anything that can be embedded into a bit torrent. It is composed of the cover carrier as well as the implanted message and it creates a stego-carrier. The concealing of data may oblige a stego key which is additional mystery data

  • Steganography Research Paper

    1668 Words  | 7 Pages

    A SECURE DATA HIDING IN VIDEO BASED ON LFSR METHOD Rajpreetha C1 PG Scholar, M.E Communication System S.A. Engineering College Chennai, India Vanitha Lakshmi.M2 Research Scholar S.A. Engineering College Chennai, India Abstract—In various areas, information security is very important due to the development of high speed computer networks and internet. Steganography is developed as a technique for securing the secrecy of communication. In this

  • Image Steganography Research Paper

    1364 Words  | 6 Pages

    Image Steganography Techniques – A Survey Roshni B. Solanki PG student,Computer Engineering Sarvajanik College of Engineering Technology Surat, India Abstract— In today’s era, due to advancements in the field of information technology, the need for information security is highly increasing day by day. Steganography plays a major role in secret data communication. It is nothing but to communicate in such a way that not only the contents are hidden but also the existence

  • Research Paper Steganography

    886 Words  | 4 Pages

    Abstract : Steganography is the methodology in science that involves communicating secret data in an appropriate multimedia carrier for e.g. video, audio and image files. Audio steganography hides data in a audio signal which is a cover signal without any modification in that cover signal. Generally, Steganography concept is confused with other technique such as cryptography and watermarking, but objectives such as imperceptibility, capacity of hidden data and robustness draws thin line between them

  • The Importance Of Cryptography

    1032 Words  | 5 Pages

    What is cryptography? Cryptography is the study of utilizing science to encode and unscramble information. Cryptography empowers you to store delicate data or transmit it crosswise over frail systems (like the Web) so it can't be perused by anybody aside from the expected beneficiary. While cryptography is the study of securing information, cryptanalysis is the study of examining and breaking secure correspondence. Established cryptanalysis includes a fascinating mix of systematic thinking, use

  • Steganography Analysis

    1503 Words  | 7 Pages

    JPEG IMAGE STEGANALYSIS USING MACHINE LEARNING Abstract—This project deals with detection of steganography content. Steganography is the additional method in cryptography which helps to hide the coded message inside pictures, audio or videos. To hide the message is important but to reveal such content is more important to avoid usage by criminals. This project applies an approach of supervised machine learning to detect the presence of steganographic content coded by programs like Steghide in the

  • Cryptography Vs Steganography

    1850 Words  | 8 Pages

    Padding byte stuffing: A technique to hide data in MP3 Abstract: In today’s world, secrecy is of utmost importance in almost all fields. When one needs to share some sensitive information in public networks, it becomes important that information does not go into wrong hands. Here, information security plays a major role. Sensitive information communication can be secured by using either cryptography or steganography. Steganography is a secret communication method for hiding data in some digital

  • Creative Writing: First Commander Cipher

    1876 Words  | 8 Pages

    meaning of this?” First Commander Cipher speaks, entering with Advisor Thomas at his side. “Uncle, the Queen, and her unborn child are dead,” Fabian announces, stunning him. “How can this be? The castle is secure. I made sure of it myself.” “It wasn’t an intruder,” Gabriel reveals, holding the same dagger the King used on him. “It was Robert!” he