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 ...

IPsec incorporates several cryptographic operations to ensure message authenticity, data integrity, and sender nonrepudiation. In this section we will describe the mechanics of these cryptographic ...

In the past, we’ve talked about several free tools designed for calculating hashes and generating Checksum files. Most lack many features, and some have an ancient-looking user interface, which is ...