oxedyne/fe2o3 — fe2o3_crypto/src/c/verify.h

722 bytes, 1 run

created by r1870400018:226, which is this file's identity for as long as the history lasts, whatever it is later renamed to

1	/*-------------------------------------------------
2	This file has been adapted from the implementation
3	(available at https://github.com/pq-crystals/kyber) of
4	"CRYSTALS – Kyber: a CCA-secure module-lattice-based KEM"
5	by : Joppe Bos, Leo Ducas, Eike Kiltz, Tancrede Lepoint,
6	Vadim Lyubashevsky, John M. Schanck, Peter Schwabe & Damien stehle
7	----------------------------------------------------*/
8	#ifndef VERIFY_H
9	#define VERIFY_H
10
11	#include <stdio.h>
12
13	/* returns 0 for equal strings, 1 for non-equal strings */
14	int verify(const unsigned char a, const unsigned char b, size_t len);
15
16	/* b = 1 means mov, b = 0 means don't mov*/
17	void cmov(unsigned char r, const unsigned char x, size_t len, unsigned char b);
18
19	#endif