pqc/crypto_kem/sntrup857/clean/crypto_encode_857x3.c
John M. Schanck 431dbada45 Add sntrup{653,761,857} and ntrulpr{653,761,857}
Exported from SUPERCOP-20200826 using the scripts at:
https://github.com/jschanck/pqclean-package-ntruprime
2021-03-24 21:02:46 +00:00

22 lines
409 B
C

#include "crypto_encode_857x3.h"
#define uint8 uint8_t
#define p 857
void PQCLEAN_SNTRUP857_CLEAN_crypto_encode_857x3(unsigned char *s, const void *v) {
const uint8 *f = v;
uint8 x;
int i;
for (i = 0; i < p / 4; ++i) {
x = *f++ + 1;
x += (*f++ + 1) << 2;
x += (*f++ + 1) << 4;
x += (*f++ + 1) << 6;
*s++ = x;
}
x = *f++ + 1;
*s++ = x;
}