Tag Archives: cryptography

Accessing local files from a web browser using HTML5 File API

Posted on July 7, 2014 by Robert Piasecki

HTML5 introduced a standard interface called File API which lets programmers access meta-data and read contents of local files selected by a user. The selection is typically done using input element but the recent browsers also allow using drag and … Continue reading →

Posted in HTML, JavaScript | Tagged , , | 1 Comment

Calculating cryptographic hash functions in Java

Posted on February 26, 2014 by Robert Piasecki

Cryptographic hash function is an algorithm which takes block of data of arbitrary length as an input and outputs a short fixed-length sequence of bits (usually 128-512 bits) and which ideally should have following properties: it is very easy to … Continue reading →

Posted in cryptography, Java | Tagged , , , , | Leave a comment