Blowfish Encryption
Blowfish is a symmetric encryption algorithm designed in 1993 by Bruce Schneier as an alternative to existing encryption algorithms.
Blowfish has a 64-bit block size and a variable key length - from 32 bits to 448 bits. It is a 16-round Feistel cipher and uses large key-dependent S-boxes. It is similar in structure to CAST-128, which uses fixed S-boxes.
|
|
|
Since then Blowfish has been analyzed considerably, and is gaining acceptance as a strong encryption algorithm.
Blowfish was designed in 1993 by Bruce Schneier as a fast, free alternative to existing encryption algorithms. Since then it has been analyzed considerably, and it is slowly gaining acceptance as a strong encryption algorithm. Blowfish is unpatented and license-free, and is available free for all uses.
|
The original Blowfish paper was presented at the First Fast Software Encryption workshop in Cambridge, UK (proceedings published by Springer-Verlag, Lecture Notes in Computer Science #809, 1994) and the April 1994 issue of Dr. Dobb's Journal. "Blowfish--One Year Later" appeared in the September 1995 issue of Dr. Dobb's Journal.
The only known attacks against Blowfish are based on its weak key classes.
Blowfish encryption algorithm : General information
Block cipher: 64-bit block
Variable key length: 32 bits to 448 bits
Designed by Bruce Schneier
First published: 1993
For more information about Blowfish encryption algorithm visit the official Blowfish website
|
|
• What is the maximum length of text I can encrypt?
If you use Encryption and Decryption Professional Edition:
- For Windows Vista/XP/2003/2000 max length of text you can encrypt is 524224 characters.
- For Windows 98/ME max length of text you can encrypt is 32704 characters.
If you use Encryption and Decryption (free version):
Max length of text you can encrypt is 255 characters
|