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Revert "LeaseSet2: check declared key length before creating an encryptor"

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orignal authored and GitHub committed 2026-09-16 07:27:26 -04:00
1 parent 99eab7aceb
commit 8769d0615a
2 files changed
+2 -7
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libi2pd/LeaseSet.cpp
+1 -6
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@@ -423,12 +423,7 @@ namespace data
if (keyType <= i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) // skip PQ keys if not supported
#endif
{
// encryptionKeyLen is the length the publisher declares, and it was
// checked against the buffer. The encryptor reads a length fixed by
// the key type instead, so a section declaring a short ElGamal key
// makes it read 256 bytes out of a few
if (encryptionKeyLen >= i2p::crypto::GetCryptoPublicKeyLen (keyType) &&
(keyType == m_PreferredEncryptionType || !newEncryptor || keyType > newEncryptionType) &&
if ((keyType == m_PreferredEncryptionType || !newEncryptor || keyType > newEncryptionType) &&
(!dest || dest->SupportsEncryptionType (keyType)))
{
auto encryptor = i2p::data::IdentityEx::CreateEncryptor (keyType, buf + offset);