Posts marked with "Encryption" in tags

Encryption & Decryption Using Mcrypt In PHP

December 25, 2013 PHP, Security

Mcrypt is a replacement of Unix‘s popular command crypt. It is a file encryption tool. Mcrypt uses modern algorithms for encrypting. Hence it is considered as secure and safe. To encrypt a string, Mcrypt requires a key to encrypt and decrypt. This key have a critical role in encryption and decryption. In this post I’ll be giving out two functions that will encrypt and decrypt based on a key.

The Key

We should use the same key for both encryption and decryption. Note that the key length should not exceed 25 characters.

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Image Handling On Client Side With Base64 In PHP

December 22, 2013 HTML, PHP

Every website needs images. It make the site attractive and beautiful. But sometimes, images won’t get loaded. The latest **Browsers **have a feature that generates image on a base64 string. Most of the browser have it. In this post I’m going to describe the way to use base64 in displaying images on a website.

What’s base64 ?

Base64 is a encrypting method which is available in many languages. It can be used for encrypting and decrypting. It is not like other hash functions (MD5, SHA 256, SHA 512). Unlike other hash methods, a base64 encrypted string can be directly decrypted. But other hash functions can only be used for checking a value.

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