From d0c41a73501a0bf94fca91be5fb38ab039490843 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Thu, 6 Nov 2014 01:17:48 -0800
Subject: Add sanity check after key generation

Add a sanity check to prevent cosmic rays from flipping a bit in the
generated public key, or bugs in the elliptic curve code. This is
simply done by signing a (randomized) message, and verifying the
result.
---
 src/rpcdump.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/rpcdump.cpp')

diff --git a/src/rpcdump.cpp b/src/rpcdump.cpp
index c3ffe38cc3..8b95373cff 100644
--- a/src/rpcdump.cpp
+++ b/src/rpcdump.cpp
@@ -112,6 +112,7 @@ Value importprivkey(const Array& params, bool fHelp)
     if (!key.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
 
     CPubKey pubkey = key.GetPubKey();
+    assert(key.VerifyPubKey(pubkey));
     CKeyID vchAddress = pubkey.GetID();
     {
         pwalletMain->MarkDirty();
@@ -253,6 +254,7 @@ Value importwallet(const Array& params, bool fHelp)
             continue;
         CKey key = vchSecret.GetKey();
         CPubKey pubkey = key.GetPubKey();
+        assert(key.VerifyPubKey(pubkey));
         CKeyID keyid = pubkey.GetID();
         if (pwalletMain->HaveKey(keyid)) {
             LogPrintf("Skipping import of %s (key already present)\n", CBitcoinAddress(keyid).ToString());
-- 
cgit v1.2.3