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
)
{
uint8 loctag[BLOCK];
block TA = _mm_setzero_si128(), TE;
*mlen = clen - CRYPTO_ABYTES;
Setup(k);
#if (ADP==Para)
if ((uint32)adlen > 0){
TA = AFunc(ad, (uint32)adlen);
}
TE = DFunc(npub, CRYPTO_NPUBBYTES, c,
(uint32)clen - CRYPTO_ABYTES, CRYPTO_ABYTES, m);
TE = _mm_xor_si128(TE, TA);
#else
if ((uint32)adlen > 0){
TA = AFuncS(ad, (uint32)adlen);
}
TE = DFunc(npub, CRYPTO_NPUBBYTES, TA, c,
(uint32)clen - CRYPTO_ABYTES, CRYPTO_ABYTES, m);
#endif
memcpy(loctag, (uint8*)&TE, CRYPTO_ABYTES);
if (memcmp(loctag, c + (uint32)*mlen, CRYPTO_ABYTES) != 0){//non-constant-time compare
return TAG_UNMATCH; //-1
}
return TAG_MATCH; //0
}
return 1;
}
const StdlibRegister _globalFuncs[] =
{
_DListItem(_new),
_DListItem(_fromArray),
_DListEnd
};
// =====================================================================================================================
// Methods
const StdlibRegisterInfo _toString_info =
{
Docstr(DFunc("toString")
R"(\returns a string representation of this memblock in the form \tt{"memblock[contents]"}.
For example, \tt{memblock.new(3, 10).toString()} would give the string \tt{"memblock[10, 10, 10]"}.
If the memblock is more than 128 bytes, the contents will be truncated with an ellipsis.)"),
"toString", 0
};
word_t _toString(CrocThread* t)
{
auto data = checkMemblockParam(t, 0)->data;
CrocStrBuffer b;
croc_ex_buffer_init(t, &b);
