Blowfish is a keyed , symmetric block cipher , designed in NUMBER@1 by PERSON@1 and included in a large number of cipher suites and encryption products .

In cryptography , PERSON@2 is a keyed , symmetric block cipher , made in NUMBER@1 by PERSON@1 and since NUMBER@1 has been included -LRB- put together -RRB- in a large number of encryption products .
