From CryptoDox, The Online Encyclopedia on Cryptography and Information Security

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Blowfish is a symmetric block cipher developed in 1993 by Bruce Schneier. It was designed as a replacement for DES. Blowfish is not patented and is available royalty free. It uses a 64-bit block cipher with the key length varying from 32 bits to 448 bits.


Blowfish is available in a large number of encryption products. A comprehensive list is available at the Blowfish website.

Some other implementations are mentioned below:

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