int RiverKeyak_Initialize(Keyak_Instance *instance, const unsigned char *key, unsigned int keySizeInBits, const unsigned char *nonce)
{
int result = Keccak_DuplexInitialize(&(instance->duplex), 548, 252);
if (result != 0)
return result;
instance->phase = Keyak_Phase_FeedingAssociatedData;
return Keyak_Initialize(&(instance->duplex), key, keySizeInBits, nonce);
}
// CHANGE namespace added
int ParallelKeyak_Initialize(Oceankeyakv1_raw::Keyak_Instance *instance, const unsigned char *key, unsigned int keySizeInBits, const unsigned char *nonce)
{
int result = Keccak_ParallelDuplexInitializeAll(&(instance->duplex), 1348, 252);
if (result != 0)
return result;
instance->phase = Keyak_Phase_FeedingAssociatedData;
return Keyak_Initialize(&(instance->duplex), key, keySizeInBits, nonce);
}
int crypto_aead_encrypt(
unsigned char *c,unsigned long long *clen,
const unsigned char *m,unsigned long long mlen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k
)
{
Keyak_Instance instance;
Keyak_Initialize( &instance, k, 16, npub, 150, 0, 0, 0, 0 );
Keyak_Wrap( &instance, m, c, (size_t)mlen, ad, (size_t)adlen, c+mlen, 0, 0 );
*clen = mlen + 16;
return 0;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k
)
{
Keyak_Instance instance;
unsigned long long mlen_;
if (clen < 16)
return -1;
Keyak_Initialize( &instance, k, 16, npub, 150, 0, 0, 1, 0 );
mlen_ = clen - 16;
*mlen = mlen_;
if ( Keyak_Wrap( &instance, c, m, (size_t)mlen_, ad, (size_t)adlen, (unsigned char*)c+mlen_, 1, 0 ) == 1 )
return 0;
return -1;
}
