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pqcrypto/crypto_kem/ntrulpr653/clean/crypto_encode_653x1541.c
John M. Schanck 70543bba37 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
2020-08-28 20:22:56 -04:00

128 lines
2.6 KiB
C

#include "crypto_encode_653x1541.h"
/* auto-generated; do not edit */
#define int16 int16_t
#define uint16 uint16_t
#define uint32 uint32_t
void PQCLEAN_NTRULPR653_CLEAN_crypto_encode_653x1541(unsigned char *out, const void *v) {
const int16 *R0 = v;
/* XXX: caller could overlap R with input */
uint16 R[327];
long i;
uint16 r0, r1;
uint32 r2;
for (i = 0; i < 326; ++i) {
r0 = (((R0[2 * i] + 2310) & 16383) * 10923) >> 15;
r1 = (((R0[2 * i + 1] + 2310) & 16383) * 10923) >> 15;
r2 = r0 + r1 * (uint32)1541;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
R[326] = (((R0[652] + 2310) & 16383) * 10923) >> 15;
for (i = 0; i < 163; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)9277;
*out++ = r2;
r2 >>= 8;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
R[163] = R[326];
for (i = 0; i < 82; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)1314;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
for (i = 0; i < 41; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)6745;
*out++ = r2;
r2 >>= 8;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
for (i = 0; i < 20; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)695;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
R[20] = R[40];
for (i = 0; i < 10; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)1887;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
R[10] = R[20];
for (i = 0; i < 5; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)13910;
*out++ = r2;
r2 >>= 8;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
R[5] = R[10];
for (i = 0; i < 2; ++i) {
r0 = R[2 * i];
r1 = R[2 * i + 1];
r2 = r0 + r1 * (uint32)2953;
*out++ = r2;
r2 >>= 8;
*out++ = r2;
r2 >>= 8;
R[i] = r2;
}
r0 = R[4];
r1 = R[5];
r2 = r0 + r1 * (uint32)2953;
*out++ = r2;
r2 >>= 8;
R[2] = r2;
r0 = R[0];
r1 = R[1];
r2 = r0 + r1 * (uint32)134;
*out++ = r2;
r2 >>= 8;
R[0] = r2;
R[1] = R[2];
r0 = R[0];
r1 = R[1];
r2 = r0 + r1 * (uint32)71;
*out++ = r2;
r2 >>= 8;
R[0] = r2;
r0 = R[0];
*out++ = r0;
r0 >>= 8;
*out++ = r0; /*clang-analyzer-deadcode.DeadStores*/ /*r0 >>= 8;*/
}