Small_bytes
#define SecretKeys_bytes (2 * Small_bytes)
Small_encode(sk + Small_bytes, v);
Small_decode(v, sk + Small_bytes);
Hash_prefix(x, 3, r, Small_bytes);
Hash_prefix(x, 3, y, Small_bytes);
randombytes(sk, Small_bytes);
Hash_prefix(sk + Small_bytes, 4, pk, crypto_kem_sntrup761_PUBLICKEYBYTES);
unsigned char r_enc[Small_bytes], cache[Hash_bytes];
const unsigned char *cache = rho + Small_bytes;
unsigned char r_enc[Small_bytes], cnew[crypto_kem_sntrup761_CIPHERTEXTBYTES];
for (i = 0; i < Small_bytes; ++i) r_enc[i] ^= mask & (r_enc[i] ^ rho[i]);