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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.security;
import org.junit.Test;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.PublicKey;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* @author bjorncs
*/
public class KeyUtilsTest {
@Test
public void can_extract_public_key_from_rsa_private() {
KeyPair keyPair = KeyUtils.generateKeypair(KeyAlgorithm.RSA);
PublicKey publicKey = KeyUtils.extractPublicKey(keyPair.getPrivate());
assertNotNull(publicKey);
}
@Test
public void can_extract_public_key_from_ecdsa_private() {
KeyPair keyPair = KeyUtils.generateKeypair(KeyAlgorithm.EC);
PublicKey publicKey = KeyUtils.extractPublicKey(keyPair.getPrivate());
assertNotNull(publicKey);
}
@Test
public void can_serialize_and_deserialize_rsa_privatekey_using_pkcs1_pem_format() {
testPrivateKeySerialization(KeyAlgorithm.RSA, KeyFormat.PKCS1, "RSA PRIVATE KEY");
}
@Test
public void can_serialize_and_deserialize_rsa_privatekey_using_pkcs8_pem_format() {
testPrivateKeySerialization(KeyAlgorithm.RSA, KeyFormat.PKCS8, "PRIVATE KEY");
}
@Test
public void can_serialize_and_deserialize_ec_privatekey_using_pkcs1_pem_format() {
testPrivateKeySerialization(KeyAlgorithm.EC, KeyFormat.PKCS1, "EC PRIVATE KEY");
}
@Test
public void can_serialize_and_deserialize_ec_privatekey_using_pkcs8_pem_format() {
testPrivateKeySerialization(KeyAlgorithm.EC, KeyFormat.PKCS8, "PRIVATE KEY");
}
@Test
public void can_serialize_and_deserialize_rsa_publickey_using_pem_format() {
KeyPair keyPair = KeyUtils.generateKeypair(KeyAlgorithm.RSA);
String pem = KeyUtils.toPem(keyPair.getPublic());
assertTrue(pem.contains("BEGIN PUBLIC KEY"));
assertTrue(pem.contains("END PUBLIC KEY"));
PublicKey deserializedKey = KeyUtils.fromPemEncodedPublicKey(pem);
assertEquals(keyPair.getPublic(), deserializedKey);
assertEquals(KeyAlgorithm.RSA.getAlgorithmName(), deserializedKey.getAlgorithm());
}
@Test
public void can_serialize_and_deserialize_ec_publickey_using_pem_format() {
KeyPair keyPair = KeyUtils.generateKeypair(KeyAlgorithm.EC);
String pem = KeyUtils.toPem(keyPair.getPublic());
assertTrue(pem.contains("BEGIN PUBLIC KEY"));
assertTrue(pem.contains("END PUBLIC KEY"));
PublicKey deserializedKey = KeyUtils.fromPemEncodedPublicKey(pem);
assertEquals(keyPair.getPublic(), deserializedKey);
assertEquals(KeyAlgorithm.EC.getAlgorithmName(), deserializedKey.getAlgorithm());
}
private static void testPrivateKeySerialization(KeyAlgorithm keyAlgorithm, KeyFormat keyFormat, String pemLabel) {
KeyPair keyPair = KeyUtils.generateKeypair(keyAlgorithm);
String pem = KeyUtils.toPem(keyPair.getPrivate(), keyFormat);
assertTrue(pem.contains("BEGIN " + pemLabel));
assertTrue(pem.contains("END " + pemLabel));
PrivateKey deserializedKey = KeyUtils.fromPemEncodedPrivateKey(pem);
assertEquals(keyPair.getPrivate(), deserializedKey);
assertEquals(keyAlgorithm.getAlgorithmName(), deserializedKey.getAlgorithm());
}
}
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