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Paranoia check for identical finished messages.

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This commit is contained in:
JoelKatz
2012-04-29 18:32:18 -07:00
parent fe60a78882
commit c0231e2f15
1 changed files with 3 additions and 1 deletions
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4
src/Peer.cpp
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@@ -727,8 +727,10 @@ void Peer::getSessionCookie(std::string& strDst)
SHA512(s1, l1, sha1);
SHA512(s2, l2, sha2);
if (memcmp(s1, s2, sizeof(sha1))
throw std::runtime_errror("Identical finished messages");
for (int i=0; i<sizeof(sha1); i++)
for (int i = 0; i < sizeof(sha1); ++i)
sha1[i] ^= sha2[i];
strDst.assign((char *) &sha1[0], sizeof(sha1));