-rw-r--r-- 696 libmceliece-20240726/crypto_kem/348864/avx/kem_enc.c raw
// 20230102 djb: rename encrypt() as pke_encrypt()
// 20221230 djb: add linker lines
// 20221230 djb: split out of operations.c
// linker define operation_enc
// linker use pke_encrypt
#include "operations.h"
#include "hash.h"
#include "encrypt.h"
#include "params.h"
#include "util.h"
#include <stdint.h>
#include <string.h>
int operation_enc(
unsigned char *c,
unsigned char *key,
const unsigned char *pk
)
{
unsigned char e[ SYS_N/8 ];
unsigned char one_ec[ 1 + SYS_N/8 + SYND_BYTES ] = {1};
//
pke_encrypt(c, pk, e);
memcpy(one_ec + 1, e, SYS_N/8);
memcpy(one_ec + 1 + SYS_N/8, c, SYND_BYTES);
crypto_hash_32b(key, one_ec, sizeof(one_ec));
return 0;
}