Fossil

** COMMAND: sha3sum*
**
** Usage: %fossil sha3sum FILE...
**
** Compute an SHA3 checksum of all files named on the command-line.
** If a file is named "-" then take its content from standard input.
**
** To be clear:  The official NIST FIPS-202 implementation of SHA3
** with the added 01 padding is used, not the original Keccak submission.
**
** Options:
**
**    --224        Compute a SHA3-224 hash
**    --256        Compute a SHA3-256 hash (the default)
**    --384        Compute a SHA3-384 hash
**    --512        Compute a SHA3-512 hash
**    --size N     An N-bit hash.  N must be a multiple of 32 between 128