Encryption Essay

convergent encryption by AES encryption. We eliminate some steps that are not necessary to be there. That will help to reduce execution time. Mainly we made three changes in our proposed architecture: 1. We use AES encryption in place of convergent encryption. 2. We eliminate secret key encryption between server and metadata manager. 3. We proposed to check duplication at starting stage. In old architecture duplication checked when data converted in another form means after encryption. These three

for picture encryption and decryption. It charts a picture to an array of pixels and next, charts it back from the array to alike sized image. A Line chart consists of two submaps: the left Line chart and the right Line chart that are utilized for picture encryption and decryption. In order to vanquish the shortcoming of standard picture encryption ways established on two-dimensional (2-D) charts that can be utilized merely for permutation, this paper presents a novel picture encryption way established

safe is the method in which it’s protected and encrypted. In order to appreciate how information is secured, users must understand the encryption concepts behind it. To do this, one must comprehend the current encryption standards, the trends and developments in encryption technology, the importance of securing data, the government’s regulations pertaining to encryption, the companies involved in research and implementation, the implications of leaked or stolen data, and a brief look into

INTRODUCTION Database Encryption is one of the technique used for securing the data in database. This method transforms information on a computer in such a way that it becomes unreadable. So, even if someone is able to gain access to a computer with personal data on it, they likely won’t be able to do anything with the data unless they have original data key, complicated or expensive software. The main function of encryption is essentially to translate normal text into cipher text. Encryption makes sure that

International Journal of Computer Applications (0975 – 888) Volume 47– No.12, June 2012 Database Security and Encryption: A Survey Study Iqra Basharat Farooque Azam National University of Sciences and Technology (NUST), H-12, Islamabad, Pakistan National University of Sciences and Technology (NUST), H-12, Islamabad, Pakistan ABSTRACT Security in today’s world is one of the important challenges that people are facing all over the world in every aspect of their lives. Similarly

Before the major advances in encryption in the 1970s, it was primarily used by governments and their militaries. It allowed governments to have protected communication with their allies. One government could send encrypted message concerning a common enemy to their ally and if the message was intercepted by that enemy, the message would remain secret and unreadable to the enemy. Militaries used encryption to communicate plans and troop movements and location. The Nazi Army of Germany during World

In today’s world we are so much dependent on technology, that the need for privacy and data encryption has become more important to protect the importance of information, such as credit-card numbers, email messages, confidential company information, banking details and other personal information. For example, when you are at an Automatic Teller Machine (ATM), you do not want someone looking over your shoulder for your PIN number. The same applies for email accounts, bank accounts, Social-networking

Abstract Introduction to Encryption Encryption is the process of encoding information in such a way that only the person (or computer) with the key can decode it. Encryption is a way to enhance the security of a message or file by scrambling the contents so that it can be read only by someone who has the right encryption key to unscramble it. Encryption has widely been used to protect data in numerous areas, such as e-commerce, online banking, cloud storage, online communication and so forth. For

1 INTRODUCTION Public-key encryption is a powerful mechanism for ensuring the confidentiality of stored and transmitted data. The traditional encryption is regarded as a method to share data to some targeted person or device that the sender knows. This means the sender knows specifically which user he wants to share with. However, in many systems the message sender will want to share date with a group of people whose credentials or attributes accord to some access policy set by the sender.[8][9]A

1. Digital Certificates Digital signature and Encryption together protects data in the internet. Digital signature is the internet ID that is given to a person to identify himself that who is and how they can be trustable. They are used together to protect the data that are confidential from the intruders and threats. A digital certificate is a file on your computer a pair, you can use it to create the digital equivalent of a handwritten signature and seal of the envelope. Each file is divided into