Add test data from bug report (GH #876)

1 files changed, 17 insertions, 0 deletions

diff --git a/validat8.cpp b/validat8.cpp
index 179a6029..7396bc79 100644
--- a/validat8.cpp
+++ b/validat8.cpp
@@ -22,6 +22,9 @@
 #include "xtrcrypt.h"

 #include "eccrypto.h"

 

+#include "hex.h"

+#include "base64.h"

+

 #include <iostream>

 #include <iomanip>

 #include <sstream>

@@ -303,6 +306,20 @@ bool ValidateElGamal()
 	std::cout << "\nElGamal validation suite running...\n\n";

 	bool pass = true;

 	{

+		// Data from https://github.com/weidai11/cryptopp/issues/876.

+		// The interesting thing about this data is, the public key

+		// has 3 ASN.1 Integer types, and not 4 Integer types.

+		const std::string encodedPublicKey =

+			"MHYwTwYGKw4HAgEBMEUCIQDebUvQDd9UPMmD27BJ ovZSIgWfexL0SWkfJQPMLsJvMwIgDy/kEthwO6Q+"

+			"L8XHnzumnEKs+txH8QkQD+M/8u82ql0DIwACIAY6 rfW+BTcRZ9QAJovgoB8DgNLJ8ocqOeF4nEBB0DHH";

+		StringSource decodedPublicKey(encodedPublicKey, true, new Base64Decoder);

+

+		ElGamal::PublicKey publicKey;

+		publicKey.Load(decodedPublicKey);

+

+		pass = publicKey.Validate(GlobalRNG(), 3) && pass;

+	}

+	{

 		FileSource fc(DataDir("TestData/elgc1024.dat").c_str(), true, new HexDecoder);

 		ElGamalDecryptor privC(fc);

 		ElGamalEncryptor pubC(privC);