[PDF] Top 20 La Docencia universitaria y la investigación. Un vínculo imprescindible

... transposition cipher claimed to have been used by the Spartan ...a message so as to keep it confidential) was also first developed in ancient ...a message—a tattoo on a slave's shaved head—under the ... See full document

... decryption technique is used at two end ...the message is encrypted with a help of a key (also known by the receiver) and generate a cipher text which is then sent into the network and then on the ... See full document

... corresponding cipher text ...of Playfair encryption ...the message is divided into three parts and different techniques are applied to these parts with different encryption ...new Playfair ... See full document

... world, securing data is becoming one of the main issues, the elaboration of the fusion of cryptography and steganography are contemplating as the sphere of on-going ...where message firstly encoding using ... See full document

... In October 2014, Zubair Iqbal, Bhumika Gupta, Kamal Kr. Gola and Prachi Gupta [9] proposed a scheme based on 6 * 6 matrix which consists only of alphabets and numeric values. In this work, the authors used the concept of ... See full document

... In this algorithm, the letters I & J are counted as one character. It is seen that the rules of encryption applies a pair of plaintext characters. So, it needs always even number of characters in plaintext ... See full document

... Transposition Technique is the variation of the Rail Fence ...This technique simply arranges the plain text as a sequence of rows of the rectangle that are read in column ...this technique is shown ... See full document

... combination technique and higher entropy was ...a Securing a ...a technique in which the digital signature of the original image was added to the encoded version of the original ... See full document

... of securing the ...of message includes your social-security number, or your account number, or private information, or confidential information coming from some trusted ...of securing the ... See full document

... Traditional Playfair is no longer used because of the advent of digital encryption ...devices. Playfair is now regarded as insecure for any purpose because modern computers could easily break the ... See full document

... Cryptography refers to the tools and techniques used to make messages secure for communication between the participants and make messages immune to attacks by hackers. A cryptosystem is simply an algorithm which converts ... See full document

... Cloud Computing being the soul of the Technological world needs its data to be safeguarded by providing proper protection. Besides isolating its data and providing proper logical storage segregation, encrypting the data ... See full document

... of Message Authentication Code (MAC) is quite similar to the message ...The message digest is a finger print or the summary of the ...a message has not been tampered with after it leaves the ... See full document

... called Transactions-t1, t2, t3 …. etc. Transactions consist of a number of sub transactions and at each point in time only one sub transaction is ...active. Transactions are totally ...a ... See full document

... secret message will be hidden in a cover ...sent through a communication channel, internet for ...secret message hidden beneath the stego text they need to apply a decoding ...secret message ... See full document

... 6 Playfair cipher is the multiple letter encryption cipher, which encrypts digraphs of plaintext into corresponding cipher text ...6 Playfair cipher has mainly 3 algorithms, ... See full document

... The Securing ATM transaction Using Raspberry Pi Processor project is used to alert the user whenever the usage of ATM is done for money withdrawal by the unknown ...highly securing ATM card holder’s ... See full document

... the message, a type of security through lack of ...shrouded message might be in undetectable ink between the obvious lines of a private ...a message, steganography can be said to ensure both ... See full document

... of Playfair technique is very ...Ceaser Cipher and Substitution matrix so that no one can understand ...Compression technique. Many authors used Playfair technique in the ... See full document

... plaintext message takes the following ...plaintext message, the word BALLOON in digraph will be {BAL}, {LOX}, {ONX} and the word ...plaintext message in 3D Playfair is quite different from the ... See full document