Decryptoid is a Web Application using PHP, MySQL and JavaScript that lets the users encrypt and decrypt texts or text file using 6 different ciphers, which are:
- Simple Substitution
- Double Transposition
- RC4
- Play Fair
- Affine Cipher
- Vigenere Cipher
- User Sign up
- User Log in
- User Authentication
- Sessions
- File uploading
- Client-side Validation
- Server-side Validation