Operations

This document gives a high-level overview of various operations on encrypted integers supported by TFHE-rs.

TFHE-rs supports various operations on encrypted integers (Enc) of any size between 1 and 256 bits. These operations can also work between encrypted integers and clear integers (Int).

name	symbol	Enc/Enc	Enc/ Int
Neg	-	✔️	✔️
Add	+	✔️	✔️
Sub	-	✔️	✔️
Mul	*	✔️	✔️
Div	/	✔️	✔️
Rem	%	✔️	✔️
Not	!	✔️	✔️
BitAnd	&	✔️	✔️
BitOr	|	✔️	✔️
BitXor	^	✔️	✔️
Shr	>>	✔️	✔️
Shl	<<	✔️	✔️
Min	min	✔️	✔️
Max	max	✔️	✔️
Greater than	gt	✔️	✔️
Greater or equal than	ge	✔️	✔️
Less than	lt	✔️	✔️
Less or equal than	le	✔️	✔️
Equal	eq	✔️	✔️
Cast (into dest type)	cast_into	✔️	✖️
Cast (from src type)	cast_from	✔️	✖️
Ternary operator	select	✔️	✖️