delete used tag before update

pull/580/merge
orignal 7 years ago
parent bd6ce7d4da
commit dd79348b35

@ -437,17 +437,18 @@ namespace garlic
if (it != m_Tags.end ())
{
// tag found. Use AES
auto decryption = it->second;
m_Tags.erase (it); // tag might be used only once
if (length >= 32)
{
uint8_t iv[32]; // IV is first 16 bytes
SHA256(buf, 32, iv);
it->second->SetIV (iv);
it->second->Decrypt (buf + 32, length - 32, buf + 32);
HandleAESBlock (buf + 32, length - 32, it->second, msg->from);
decryption->SetIV (iv);
decryption->Decrypt (buf + 32, length - 32, buf + 32);
HandleAESBlock (buf + 32, length - 32, decryption, msg->from);
}
else
LogPrint (eLogWarning, "Garlic: message length ", length, " is less than 32 bytes");
m_Tags.erase (it); // tag might be used only once
}
else
{

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