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+SHA-3/Keccak checksum calculator
+
+USAGE:	sha3sum [option...] < FILE
+	sha3sum [option...] file...
+
+OPTIONS:
+	-r BITRATE
+	--bitrate	The bitrate to use for SHA-3.		(default: 576)
+	
+	-c CAPACITY
+	--capacity	The capacity to use for SHA-3.		(default: 1024)
+	
+	-w WORDSIZE
+	--wordsize	The word size to use for SHA-3.		(default: 64)
+	
+	-o OUTPUTSIZE
+	--outputsize	The output size to use for SHA-3.	(default: 512)
+	
+	-s STATESIZE
+	--statesize	The state size to use for SHA-3.	(default: 1600)
+	
+	-i ITERATIONS
+	--iterations	The number of hash iterations to run.	(default: 1)
+
+	-b
+	--binary	Print the checksum in binary, rather than hexadecimal.
+