Tags » Cryptography

Waiting and Vigenere ciphers

I am right now waiting for U to get back to me about all the paperwork needed for my visa application. I’m really anxious to get started with everything. 570 more words

Cryptography

A COMPARATIVELY STUDY ON VISUAL CRYPTOGRAPHY

The effective and secure protections of sensitive information are primary concerns in commercial, medical and military systems. To address the reliability problems for secret images, a visual cryptography scheme is a good alternative to remedy the vulnerabilities. 91 more words

MULTILEVEL AUTHENTICATION USING GPS AND OTP TECHNIQUES

Location based authentication is a new direction in development of authentication techniques in the area of security. In this paper, the geographical position of user is an important attribute for authentication of user. 60 more words

Crypteron Negates OpenSSL Heartbleed Vulnerability

What is Heartbleed?

Nothing big, it is just the biggest vulnerability in the last two years that could compromise all your passwords and sensitive data. Heartbleed has been the latest buzz over the internet and you should have received emails from big reputable corporation recommending that you change your passwords on their websites. 642 more words

A runcible nonce

In the recent panic surrounding the Heartbleed bug, we ask ourselves why, and how, these bugs still happen. We know that it was a preventable bug, with a simple fix, but with potentially important repercussions. 554 more words

Programming

Sending and Authenticating Messages with Elliptic Curves

Last time we saw the Diffie-Hellman key exchange protocol, and discussed the discrete logarithm problem and the related Diffie-Hellman problem, which form the foundation for the security of most protocols that use elliptic curves.  2,300 more words

Python

WhatsApp, Facebook get a privacy finger wagged at them by FTC

As Naked Security has reported, WhatsApp CEO Jan Koum has tried to reassure us all that privacy is hard-wired into the company – “coded into our DNA”, as he… 659 more words

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