I have a number of spreadsheets that I use to store sensitive information. Usernames, passwords, etc. These documents are password protected themselves, but if they're anything like "protected" PDFs, ...

Microsoft's Word software allows you to lock specific documents from editing with a password. This feature is designed to protect important documents from changes, but can backfire if a client ...

The creator of Cryptocat, Nadim Kobeissi, is back with another easy-to-use encryption tool. This time it’s a Chrome app that aims to make it easy to create and share single encrypted files with others ...

I'm looking to encrypt a file with OpenSSL functions (blowfish, des, rc4-- haven't picked one yet). Anyhow, after decrypting a file, I need to know if the file was correctly decrypted. The only way it ...