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pqcrypto/crypto_kem/papabear-ephem/clean/kem.c

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2020-01-04 16:49:42 +00:00
#include "api.h"
#include "params.h"
#include "randombytes.h"
#include "threebears.h"
int PQCLEAN_PAPABEAREPHEM_CLEAN_crypto_kem_keypair(uint8_t *pk, uint8_t *sk) {
randombytes(sk, PRIVATE_KEY_BYTES);
PQCLEAN_PAPABEAREPHEM_CLEAN_get_pubkey(pk, sk);
return 0;
}
int PQCLEAN_PAPABEAREPHEM_CLEAN_crypto_kem_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk) {
uint8_t seed[ENC_SEED_BYTES + IV_BYTES];
randombytes(seed, sizeof(seed));
encapsulate(ss, ct, pk, seed);
return 0;
}
int PQCLEAN_PAPABEAREPHEM_CLEAN_crypto_kem_dec(uint8_t *ss, const uint8_t *ct, const uint8_t *sk) {
PQCLEAN_PAPABEAREPHEM_CLEAN_decapsulate(ss, ct, sk);
return 0;
}