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AES-GMAC-CTR tweaks, self test tweaks, debian typo fix.

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This commit is contained in:
Adam Ierymenko 2019-09-04 08:19:12 -07:00
parent e29c2d0260
commit 185e90c40f
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GPG key ID: C8877CF2D7A5D7F3
5 changed files with 57 additions and 24 deletions
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10
node/Packet.cpp
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@ -935,11 +935,19 @@ bool Packet::uncompress()
uint64_t Packet::nextPacketId()
{
// The packet ID which is also the packet's nonce/IV can be sequential but
// it should never repeat. This scheme minimizes the chance of nonce
// repetition if (as will usually be the case) the clock is relatively
// accurate.
static uint64_t ctr = 0;
static Mutex lock;
lock.lock();
while (ctr == 0)
while (ctr == 0) {
Utils::getSecureRandom(&ctr,sizeof(ctr));
ctr <<= 32;
ctr |= ((uint64_t)time(nullptr)) & 0x00000000ffffffffULL;
}
const uint64_t i = ctr++;
lock.unlock();
return i;