--- /dev/null
+/*
+ * Copyright (c) 2010 SURFnet bv
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ EDDSATests.cpp
+
+ Contains test cases to test the EDDSA class
+ *****************************************************************************/
+
+#include <stdlib.h>
+#include <utility>
+#include <vector>
+#include <cppunit/extensions/HelperMacros.h>
+#include "EDDSATests.h"
+#include "CryptoFactory.h"
+#include "RNG.h"
+#include "AsymmetricKeyPair.h"
+#include "AsymmetricAlgorithm.h"
+#ifdef WITH_EDDSA
+#include "ECParameters.h"
+#include "EDPublicKey.h"
+#include "EDPrivateKey.h"
+
+CPPUNIT_TEST_SUITE_REGISTRATION(EDDSATests);
+
+void EDDSATests::setUp()
+{
+ eddsa = NULL;
+
+ eddsa = CryptoFactory::i()->getAsymmetricAlgorithm(AsymAlgo::EDDSA);
+
+ // Check the EDDSA object
+ CPPUNIT_ASSERT(eddsa != NULL);
+}
+
+void EDDSATests::tearDown()
+{
+ if (eddsa != NULL)
+ {
+ CryptoFactory::i()->recycleAsymmetricAlgorithm(eddsa);
+ }
+
+ fflush(stdout);
+}
+
+void EDDSATests::testKeyGeneration()
+{
+ AsymmetricKeyPair* kp;
+
+ // Curves to test
+ std::vector<ByteString> curves;
+ // Add x25519
+ curves.push_back(ByteString("06032b656e"));
+ // Add ed25519
+ curves.push_back(ByteString("06032b6570"));
+
+ for (std::vector<ByteString>::iterator c = curves.begin(); c != curves.end(); c++)
+ {
+ // Set domain parameters
+ ECParameters* p = new ECParameters;
+ p->setEC(*c);
+
+ // Generate key-pair
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kp, p));
+
+ EDPublicKey* pub = (EDPublicKey*) kp->getPublicKey();
+ EDPrivateKey* priv = (EDPrivateKey*) kp->getPrivateKey();
+
+ CPPUNIT_ASSERT(pub->getEC() == *c);
+ CPPUNIT_ASSERT(priv->getEC() == *c);
+
+ eddsa->recycleParameters(p);
+ eddsa->recycleKeyPair(kp);
+ }
+}
+
+void EDDSATests::testSerialisation()
+{
+ // Get ed25519 domain parameters
+ ECParameters* p = new ECParameters;
+ p->setEC(ByteString("06032b6570"));
+
+ // Serialise the parameters
+ ByteString serialisedParams = p->serialise();
+
+ // Deserialise the parameters
+ AsymmetricParameters* dEC;
+
+ CPPUNIT_ASSERT(eddsa->reconstructParameters(&dEC, serialisedParams));
+
+ CPPUNIT_ASSERT(dEC->areOfType(ECParameters::type));
+
+ ECParameters* ddEC = (ECParameters*) dEC;
+
+ CPPUNIT_ASSERT(p->getEC() == ddEC->getEC());
+
+ // Generate a key-pair
+ AsymmetricKeyPair* kp;
+
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kp, dEC));
+
+ // Serialise the key-pair
+ ByteString serialisedKP = kp->serialise();
+
+ // Deserialise the key-pair
+ AsymmetricKeyPair* dKP;
+
+ CPPUNIT_ASSERT(eddsa->reconstructKeyPair(&dKP, serialisedKP));
+
+ // Check the deserialised key-pair
+ EDPrivateKey* privKey = (EDPrivateKey*) kp->getPrivateKey();
+ EDPublicKey* pubKey = (EDPublicKey*) kp->getPublicKey();
+
+ EDPrivateKey* dPrivKey = (EDPrivateKey*) dKP->getPrivateKey();
+ EDPublicKey* dPubKey = (EDPublicKey*) dKP->getPublicKey();
+
+ CPPUNIT_ASSERT(privKey->getEC() == dPrivKey->getEC());
+ CPPUNIT_ASSERT(privKey->getK() == dPrivKey->getK());
+
+ CPPUNIT_ASSERT(pubKey->getEC() == dPubKey->getEC());
+ CPPUNIT_ASSERT(pubKey->getA() == dPubKey->getA());
+
+ eddsa->recycleParameters(p);
+ eddsa->recycleParameters(dEC);
+ eddsa->recycleKeyPair(kp);
+ eddsa->recycleKeyPair(dKP);
+}
+
+void EDDSATests::testPKCS8()
+{
+ // Get ed25519 domain parameters
+ ECParameters* p = new ECParameters;
+ p->setEC(ByteString("06032b6570"));
+
+ // Generate a key-pair
+ AsymmetricKeyPair* kp;
+
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kp, p));
+ CPPUNIT_ASSERT(kp != NULL);
+
+ EDPrivateKey* priv = (EDPrivateKey*) kp->getPrivateKey();
+ CPPUNIT_ASSERT(priv != NULL);
+
+ // Encode and decode the private key
+ ByteString pkcs8 = priv->PKCS8Encode();
+ CPPUNIT_ASSERT(pkcs8.size() != 0);
+
+ EDPrivateKey* dPriv = (EDPrivateKey*) eddsa->newPrivateKey();
+ CPPUNIT_ASSERT(dPriv != NULL);
+
+ CPPUNIT_ASSERT(dPriv->PKCS8Decode(pkcs8));
+
+ CPPUNIT_ASSERT(priv->getEC() == dPriv->getEC());
+ CPPUNIT_ASSERT(priv->getK() == dPriv->getK());
+
+ eddsa->recycleParameters(p);
+ eddsa->recycleKeyPair(kp);
+ eddsa->recyclePrivateKey(dPriv);
+}
+
+void EDDSATests::testSigningVerifying()
+{
+ AsymmetricKeyPair* kp;
+ ECParameters *p;
+
+ // Curves to test
+ std::vector<ByteString> curves;
+ // Add ed25519
+ curves.push_back(ByteString("06032b6570"));
+
+ for (std::vector<ByteString>::iterator c = curves.begin(); c != curves.end(); c++)
+ {
+ // Get parameters
+ p = new ECParameters;
+ CPPUNIT_ASSERT(p != NULL);
+ p->setEC(*c);
+
+ // Generate key-pair
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kp, p));
+
+ // Generate some data to sign
+ ByteString dataToSign;
+
+ RNG* rng = CryptoFactory::i()->getRNG();
+ CPPUNIT_ASSERT(rng != NULL);
+
+ CPPUNIT_ASSERT(rng->generateRandom(dataToSign, 567));
+
+ // Sign the data
+ ByteString sig;
+ CPPUNIT_ASSERT(eddsa->sign(kp->getPrivateKey(), dataToSign, sig, AsymMech::EDDSA));
+
+ // And verify it
+ CPPUNIT_ASSERT(eddsa->verify(kp->getPublicKey(), dataToSign, sig, AsymMech::EDDSA));
+
+ eddsa->recycleKeyPair(kp);
+ eddsa->recycleParameters(p);
+ }
+}
+
+void EDDSATests::testSignVerifyKnownVector()
+{
+ EDPublicKey* pubKey1 = (EDPublicKey*) eddsa->newPublicKey();
+ EDPublicKey* pubKey2 = (EDPublicKey*) eddsa->newPublicKey();
+ EDPrivateKey* privKey1 = (EDPrivateKey*) eddsa->newPrivateKey();
+ EDPrivateKey* privKey2 = (EDPrivateKey*) eddsa->newPrivateKey();
+
+ // Reconstruct public and private key #1
+ ByteString ec1 = "06032b6570"; // ed25519
+ ByteString k1 = "9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60";
+ ByteString a1 = "0420d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a";
+
+ pubKey1->setEC(ec1);
+ pubKey1->setA(a1);
+ privKey1->setEC(ec1);
+ privKey1->setK(k1);
+
+ // Test with key #1
+ ByteString data1; // ""
+ ByteString goodSignature1 = "e5564300c360ac729086e2cc806e828a84877f1eb8e5d974d873e065224901555fb8821590a33bacc61e39701cf9b46bd25bf5f0595bbe24655141438e7a100b";
+ ByteString badSignature1 = "e5564300c360ac728086e2cc806e828a84877f1eb8e5d974d873e065224901555fb8821590a33bacc61e39701cf9b46bd25bf5f0595bbe24655141438e7a100b";
+
+ // Reconstruct public and private key #2
+ ByteString ec2 = "06032b6570"; // ed25519
+ ByteString k2 = "c5aa8df43f9f837bedb7442f31dcb7b166d38535076f094b85ce3a2e0b4458f7";
+ ByteString a2 = "0420fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025";
+
+ pubKey2->setEC(ec2);
+ pubKey2->setA(a2);
+ privKey2->setEC(ec2);
+ privKey2->setK(k2);
+
+ // Test with key #2
+ ByteString data2 = "af82";
+ ByteString goodSignature2 = "6291d657deec24024827e69c3abe01a30ce548a284743a445e3680d7db5ac3ac18ff9b538d16f290ae67f760984dc6594a7c15e9716ed28dc027beceea1ec40a";
+ ByteString badSignature2 = "6291d657deec24024827e69c3abe01a30ce548a284743a445e3680d7db5ac3ac18ff9b538d16f290ae67f760984dc6594a7c15e9716ed28dc027bedeea1ec40a";
+
+ CPPUNIT_ASSERT(eddsa->verify(pubKey1, data1, goodSignature1, AsymMech::EDDSA));
+ CPPUNIT_ASSERT(!eddsa->verify(pubKey1, data1, badSignature1, AsymMech::EDDSA));
+ CPPUNIT_ASSERT(eddsa->verify(pubKey2, data2, goodSignature2, AsymMech::EDDSA));
+ CPPUNIT_ASSERT(!eddsa->verify(pubKey2, data2, badSignature2, AsymMech::EDDSA));
+
+ eddsa->recyclePublicKey(pubKey1);
+ eddsa->recyclePublicKey(pubKey2);
+ eddsa->recyclePrivateKey(privKey1);
+ eddsa->recyclePrivateKey(privKey2);
+}
+
+void EDDSATests::testDerivation()
+{
+ AsymmetricKeyPair* kpa;
+ AsymmetricKeyPair* kpb;
+ ECParameters* p;
+
+ // Curves to test
+ std::vector<ByteString> curves;
+ // Add x25519
+ curves.push_back(ByteString("06032b656e"));
+
+ for (std::vector<ByteString>::iterator c = curves.begin(); c != curves.end(); c++)
+ {
+ // Get parameters
+ p = new ECParameters;
+ CPPUNIT_ASSERT(p != NULL);
+ p->setEC(*c);
+
+ // Generate key-pairs
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kpa, p));
+ CPPUNIT_ASSERT(eddsa->generateKeyPair(&kpb, p));
+
+ // Derive secrets
+ SymmetricKey* sa;
+ CPPUNIT_ASSERT(eddsa->deriveKey(&sa, kpb->getPublicKey(), kpa->getPrivateKey()));
+ SymmetricKey* sb;
+ CPPUNIT_ASSERT(eddsa->deriveKey(&sb, kpa->getPublicKey(), kpb->getPrivateKey()));
+
+ // Must be the same
+ CPPUNIT_ASSERT(sa->getKeyBits() == sb->getKeyBits());
+
+ // Clean up
+ eddsa->recycleSymmetricKey(sa);
+ eddsa->recycleSymmetricKey(sb);
+ eddsa->recycleKeyPair(kpa);
+ eddsa->recycleKeyPair(kpb);
+ eddsa->recycleParameters(p);
+ }
+}
+
+void EDDSATests::testDeriveKnownVector()
+{
+ EDPublicKey* pubKeya = (EDPublicKey*) eddsa->newPublicKey();
+ EDPublicKey* pubKeyb = (EDPublicKey*) eddsa->newPublicKey();
+ EDPrivateKey* privKeya = (EDPrivateKey*) eddsa->newPrivateKey();
+ EDPrivateKey* privKeyb = (EDPrivateKey*) eddsa->newPrivateKey();
+
+ // Reconstruct public and private key for Alice
+ ByteString ec = "06032b656e"; // x25519
+ ByteString ka = "77076d0a7318a57d3c16c17251b26645df4c2f87ebc0992ab177fba51db92c2a";
+ ByteString aa = "04208520f0098930a754748b7ddcb43ef75a0dbf3a0d26381af4eba4a98eaa9b4e6a";
+
+ pubKeya->setEC(ec);
+ pubKeya->setA(aa);
+ privKeya->setEC(ec);
+ privKeya->setK(ka);
+
+ // Reconstruct public and private key for Bob
+ ByteString kb = "5dab087e624a8a4b79e17f8b83800ee66f3bb1292618b6fd1c2f8b27ff88e0eb";
+ ByteString ab = "0420de9edb7d7b7dc1b4d35b61c2ece435373f8343c85b78674dadfc7e146f882b4f";
+
+ pubKeyb->setEC(ec);
+ pubKeyb->setA(ab);
+ privKeyb->setEC(ec);
+ privKeyb->setK(kb);
+
+ // Test
+ ByteString expected = "4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742";
+ SymmetricKey* sa;
+ CPPUNIT_ASSERT(eddsa->deriveKey(&sa, pubKeya, privKeyb));
+ CPPUNIT_ASSERT(sa->getKeyBits() == expected);
+ SymmetricKey* sb;
+ CPPUNIT_ASSERT(eddsa->deriveKey(&sb, pubKeyb, privKeya));
+ CPPUNIT_ASSERT(sb->getKeyBits() == expected);
+
+ eddsa->recyclePublicKey(pubKeya);
+ eddsa->recyclePublicKey(pubKeyb);
+ eddsa->recyclePrivateKey(privKeya);
+ eddsa->recyclePrivateKey(privKeyb);
+ eddsa->recycleSymmetricKey(sa);
+ eddsa->recycleSymmetricKey(sb);
+}
+#endif
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