kris/pqc
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another vs warning

Bläddra i källkod
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Matthias J. Kannwischer 2019-06-18 12:07:48 +02:00
förälder ef0ad8e752
incheckning 03596d4705
2 ändrade filer med 4 tillägg och 3 borttagningar
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4
crypto_kem/saber/clean/verify.c
Visa fil

@ -9,7 +9,7 @@ Vadim Lyubashevsky, John M. Schanck, Peter Schwabe & Damien stehle
#include <stdint.h>
/* returns 0 for equal strings, 1 for non-equal strings */
int PQCLEAN_SABER_CLEAN_verify(const unsigned char *a, const unsigned char *b, size_t len) {
unsigned char PQCLEAN_SABER_CLEAN_verify(const unsigned char *a, const unsigned char *b, size_t len) {
uint64_t r;
size_t i;
r = 0;
@ -19,7 +19,7 @@ int PQCLEAN_SABER_CLEAN_verify(const unsigned char *a, const unsigned char *b, s
}
r = (-r) >> 63;
return r;
return (unsigned char) r;
}
/* b = 1 means mov, b = 0 means don't mov*/

3
crypto_kem/saber/clean/verify.h
Visa fil

@ -9,9 +9,10 @@ Vadim Lyubashevsky, John M. Schanck, Peter Schwabe & Damien stehle
#define VERIFY_H
#include <stddef.h>
#include <stdint.h>
/* returns 0 for equal strings, 1 for non-equal strings */
int PQCLEAN_SABER_CLEAN_verify(const unsigned char *a, const unsigned char *b, size_t len);
unsigned char PQCLEAN_SABER_CLEAN_verify(const unsigned char *a, const unsigned char *b, size_t len);
/* b = 1 means mov, b = 0 means don't mov*/
void PQCLEAN_SABER_CLEAN_cmov(unsigned char *r, const unsigned char *x, size_t len, unsigned char b);