pqc/crypto_kem/sntrup761/clean/crypto_encode_761x4591.c
2021-03-24 21:02:47 +00:00

148 lines
3.3 KiB
C

#include "crypto_encode_761x4591.h"
/* auto-generated; do not edit */
#define int16 int16_t
#define uint16 uint16_t
#define uint32 uint32_t
void PQCLEAN_SNTRUP761_CLEAN_crypto_encode_761x4591(unsigned char *out, const void *v) {
const int16 *R0 = v;
/* XXX: caller could overlap R with input */
uint16 R[381];
long i;
uint16 r0, r1;
uint32 r2;
for (i = 0; i < 380; ++i) {
r0 = (uint16) ((R0[2 * i] + 2295) & 16383);
r1 = (uint16) ((R0[2 * i + 1] + 2295) & 16383);
r2 = r0 + r1 * (uint32)4591;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
R[380] = (uint16) ((R0[760] + 2295) & 16383);
for (i = 0; i < 190; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)322;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
R[190] = R[380];
for (i = 0; i < 95; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)406;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
R[95] = R[190];
for (i = 0; i < 48; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)644;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
for (i = 0; i < 23; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)1621;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
r0 = R[46];
r1 = R[47];
r2 = r0 + r1 * (uint32)1621;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[23] = (uint16) r2;
for (i = 0; i < 11; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)10265;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
r0 = R[22];
r1 = R[23];
r2 = r0 + r1 * (uint32)10265;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[11] = (uint16) r2;
for (i = 0; i < 5; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)1608;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
r0 = R[10];
r1 = R[11];
r2 = r0 + r1 * (uint32)1608;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[5] = (uint16) r2;
for (i = 0; i < 2; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)10101;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[i] = (uint16) r2;
}
r0 = R[4];
r1 = R[5];
r2 = r0 + r1 * (uint32)10101;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[2] = (uint16) r2;
r0 = R[0];
r1 = R[1];
r2 = r0 + r1 * (uint32)1557;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[0] = (uint16) r2;
R[1] = R[2];
r0 = R[0];
r1 = R[1];
r2 = r0 + r1 * (uint32)9470;
*out++ = (unsigned char) r2;
r2 >>= 8;
*out++ = (unsigned char) r2;
r2 >>= 8;
R[0] = (uint16) r2;
r0 = R[0];
*out++ = (unsigned char) r0;
r0 >>= 8;
*out++ = (unsigned char) r0;
}