Blowfish is a variable-length, symmetric, 64-bit block cipher. Designed by Bruce Schneier in 1993 as a "general-purpose algorithm," it was intended to provide a fast, free, drop-in alternative to the ...

Of course, firmware upgrades and data logs are seldom exactly 64 bits in length. To encrypt long strings of data using Blowfish, carve the message up into 64-bit blocks, encrypt each block and save ...

A formula used to turn ordinary data, or "plaintext," into a secret coded message known as "ciphertext." The ciphertext can reside in storage or travel over unsecure networks without its contents ...