From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Fri, 22 Sep 2017 12:35:54 +0000 (+0200)
Subject: auth: Fix a crash when getting a public GOST key if the private one is not set
X-Git-Tag: rec-4.1.0-rc1~20^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=87557ae259973063177cb935bc6ef23044946218;p=pdns

auth: Fix a crash when getting a public GOST key if the private one is not set
---

diff --git a/pdns/botan110signers.cc b/pdns/botan110signers.cc
index e99ceda4c..bd8865cda 100644
--- a/pdns/botan110signers.cc
+++ b/pdns/botan110signers.cc
@@ -181,8 +181,9 @@ std::string GOSTDNSCryptoKeyEngine::getPubKeyHash() const
 
 std::string GOSTDNSCryptoKeyEngine::getPublicKeyString() const
 {
-  const BigInt&x =d_key->public_point().get_affine_x();
-  const BigInt&y =d_key->public_point().get_affine_y();
+  std::shared_ptr<GOST_3410_PublicKey> pk = d_pubkey ? d_pubkey : d_key;
+  const BigInt&x =pk->public_point().get_affine_x();
+  const BigInt&y =pk->public_point().get_affine_y();
   
   size_t part_size = std::max(x.bytes(), y.bytes());