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SHACAL

SHACAL-1 is a 160-bit block cipher based on SHA-1, and supports keys from 128-bit to 512-bit. SHACAL-2 is a 256-bit block cipher based upon the larger hash function SHA-256. Both SHACAL-1 and SHACAL-2 were selected for the second phase of the... Wikipedia
Block sizes: 160 bits (SHACAL-1), 256 bits (SHACAL-2)