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EdDSAEngine: one-shot mode tests

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This commit is contained in:
str4d
2016-02-28 04:18:04 +00:00
parent 6e7f015d4b
commit 7ccca9ef3c
1 changed files with 88 additions and 1 deletions
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89
core/java/test/junit/net/i2p/crypto/eddsa/EdDSAEngineTest.java
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@ -108,7 +108,6 @@ public class EdDSAEngineTest {
@Test @Test
public void testVerifyResetsForReuse() throws Exception { public void testVerifyResetsForReuse() throws Exception {
//Signature sgr = Signature.getInstance("EdDSA", "I2P");
Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512")); Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAPublicKeySpec pubKey = new EdDSAPublicKeySpec(TEST_PK, EdDSAPublicKeySpec pubKey = new EdDSAPublicKeySpec(TEST_PK,
@ -124,4 +123,92 @@ public class EdDSAEngineTest {
sgr.update(TEST_MSG); sgr.update(TEST_MSG);
assertThat("Second verify failed", sgr.verify(TEST_MSG_SIG), is(true)); assertThat("Second verify failed", sgr.verify(TEST_MSG_SIG), is(true));
} }
@Test
public void testSignOneShotMode() throws Exception {
Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName("ed25519-sha-512");
EdDSAPrivateKeySpec privKey = new EdDSAPrivateKeySpec(TEST_SEED, spec);
PrivateKey sKey = new EdDSAPrivateKey(privKey);
sgr.initSign(sKey);
sgr.setParameter(EdDSAEngine.ONE_SHOT_MODE);
sgr.update(TEST_MSG);
assertThat("One-shot mode sign failed", sgr.sign(), is(equalTo(TEST_MSG_SIG)));
}
@Test
public void testVerifyOneShotMode() throws Exception {
Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAPublicKeySpec pubKey = new EdDSAPublicKeySpec(TEST_PK,
EdDSANamedCurveTable.getByName("ed25519-sha-512"));
PublicKey vKey = new EdDSAPublicKey(pubKey);
sgr.initVerify(vKey);
sgr.setParameter(EdDSAEngine.ONE_SHOT_MODE);
sgr.update(TEST_MSG);
assertThat("One-shot mode verify failed", sgr.verify(TEST_MSG_SIG), is(true));
}
@Test
public void testSignOneShotModeMultipleUpdates() throws Exception {
Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName("ed25519-sha-512");
EdDSAPrivateKeySpec privKey = new EdDSAPrivateKeySpec(TEST_SEED, spec);
PrivateKey sKey = new EdDSAPrivateKey(privKey);
sgr.initSign(sKey);
sgr.setParameter(EdDSAEngine.ONE_SHOT_MODE);
sgr.update(TEST_MSG);
exception.expect(SignatureException.class);
exception.expectMessage("update() already called");
sgr.update(TEST_MSG);
}
@Test
public void testVerifyOneShotModeMultipleUpdates() throws Exception {
Signature sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAPublicKeySpec pubKey = new EdDSAPublicKeySpec(TEST_PK,
EdDSANamedCurveTable.getByName("ed25519-sha-512"));
PublicKey vKey = new EdDSAPublicKey(pubKey);
sgr.initVerify(vKey);
sgr.setParameter(EdDSAEngine.ONE_SHOT_MODE);
sgr.update(TEST_MSG);
exception.expect(SignatureException.class);
exception.expectMessage("update() already called");
sgr.update(TEST_MSG);
}
@Test
public void testSignOneShot() throws Exception {
EdDSAEngine sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName("ed25519-sha-512");
EdDSAPrivateKeySpec privKey = new EdDSAPrivateKeySpec(TEST_SEED, spec);
PrivateKey sKey = new EdDSAPrivateKey(privKey);
sgr.initSign(sKey);
assertThat("signOneShot() failed", sgr.signOneShot(TEST_MSG), is(equalTo(TEST_MSG_SIG)));
}
@Test
public void testVerifyOneShot() throws Exception {
EdDSAEngine sgr = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
EdDSAPublicKeySpec pubKey = new EdDSAPublicKeySpec(TEST_PK,
EdDSANamedCurveTable.getByName("ed25519-sha-512"));
PublicKey vKey = new EdDSAPublicKey(pubKey);
sgr.initVerify(vKey);
assertThat("verifyOneShot() failed", sgr.verifyOneShot(TEST_MSG, TEST_MSG_SIG), is(true));
}
} }