Key size for Blowfish

Question

Specify key size for the Blowfish?

Answer 1

Blowfish takes use of key that ranges from the 32 bits to the 448 bits (one to fourteen 32-bit words). That key is used to produce the 18 32-bit sub keys and four 8*32 S-boxes consisting of total of 1024 32-bit entries. The total is 1042 32-bit values, or 4168 bytes.