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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
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package org.bouncycastle.openssl.test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.math.BigInteger;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.DSAParameterSpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.RSAPrivateCrtKeySpec;
import java.util.List;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.PEMEncryptedKeyPair;
import org.bouncycastle.openssl.PEMKeyPair;
import org.bouncycastle.openssl.PEMParser;
import org.bouncycastle.openssl.bc.BcPEMDecryptorProvider;
import org.bouncycastle.openssl.jcajce.JcaMiscPEMGenerator;
import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
import org.bouncycastle.openssl.jcajce.JcaPEMWriter;
import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
import org.bouncycastle.openssl.jcajce.JcePEMEncryptorBuilder;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.util.io.pem.PemHeader;
import org.bouncycastle.util.io.pem.PemObject;
import org.bouncycastle.util.test.SimpleTest;
public class WriterTest
extends SimpleTest
{
private static final SecureRandom random = new SecureRandom();
// TODO Replace with a randomly generated key each test run?
private static final RSAPrivateCrtKeySpec testRsaKeySpec = new RSAPrivateCrtKeySpec(
new BigInteger("b4a7e46170574f16a97082b22be58b6a2a629798419be12872a4bdba626cfae9900f76abfb12139dce5de56564fab2b6543165a040c606887420e33d91ed7ed7", 16),
new BigInteger("11", 16),
new BigInteger("9f66f6b05410cd503b2709e88115d55daced94d1a34d4e32bf824d0dde6028ae79c5f07b580f5dce240d7111f7ddb130a7945cd7d957d1920994da389f490c89", 16),
new BigInteger("c0a0758cdf14256f78d4708c86becdead1b50ad4ad6c5c703e2168fbf37884cb", 16),
new BigInteger("f01734d7960ea60070f1b06f2bb81bfac48ff192ae18451d5e56c734a5aab8a5", 16),
new BigInteger("b54bb9edff22051d9ee60f9351a48591b6500a319429c069a3e335a1d6171391", 16),
new BigInteger("d3d83daf2a0cecd3367ae6f8ae1aeb82e9ac2f816c6fc483533d8297dd7884cd", 16),
new BigInteger("b8f52fc6f38593dabb661d3f50f8897f8106eee68b1bce78a95b132b4e5b5d19", 16));
private static final DSAParameterSpec testDsaParams = new DSAParameterSpec(
new BigInteger("7434410770759874867539421675728577177024889699586189000788950934679315164676852047058354758883833299702695428196962057871264685291775577130504050839126673"),
new BigInteger("1138656671590261728308283492178581223478058193247"),
new BigInteger("4182906737723181805517018315469082619513954319976782448649747742951189003482834321192692620856488639629011570381138542789803819092529658402611668375788410"));
private static final PKCS8EncodedKeySpec testEcDsaKeySpec = new PKCS8EncodedKeySpec(
Base64.decode("MIG/AgEAMBAGByqGSM49AgEGBSuBBAAiBIGnMIGkAgEBBDCSBU3vo7ieeKs0ABQamy/ynxlde7Ylr8HmyfLaNnMr" +
"jAwPp9R+KMUEhB7zxSAXv9KgBwYFK4EEACKhZANiAQQyyolMpg+TyB4o9kPWqafHIOe8o9K1glus+w2sY8OIPQQWGb5i5LdAyi" +
"/SscwU24rZM0yiL3BHodp9ccwyhLrFYgXJUOQcCN2dno1GMols5497in5gL5+zn0yMsRtyv5o=")
);
private static final char[] testPassword = "bouncy".toCharArray();
private static final String[] algorithms = new String[]
{
"AES-128-CBC", "AES-128-CFB", "AES-128-ECB", "AES-128-OFB",
"AES-192-CBC", "AES-192-CFB", "AES-192-ECB", "AES-192-OFB",
"AES-256-CBC", "AES-256-CFB", "AES-256-ECB", "AES-256-OFB",
"BF-CBC", "BF-CFB", "BF-ECB", "BF-OFB",
"DES-CBC", "DES-CFB", "DES-ECB", "DES-OFB",
"DES-EDE", "DES-EDE-CBC", "DES-EDE-CFB", "DES-EDE-ECB", "DES-EDE-OFB",
"DES-EDE3", "DES-EDE3-CBC", "DES-EDE3-CFB", "DES-EDE3-ECB", "DES-EDE3-OFB",
"RC2-CBC", "RC2-CFB", "RC2-ECB", "RC2-OFB",
"RC2-40-CBC",
"RC2-64-CBC",
};
public String getName()
{
return "WriterTest";
}
public void performTest()
throws Exception
{
final String provider = "BC";
KeyPairGenerator dsaKpg = KeyPairGenerator.getInstance("DSA", provider);
dsaKpg.initialize(testDsaParams, random);
KeyPair dsaKp = dsaKpg.generateKeyPair();
PrivateKey testDsaKey = dsaKp.getPrivate();
doWriteReadTest(testDsaKey, provider);
doWriteReadTests(testDsaKey, provider, algorithms);
KeyFactory fact = KeyFactory.getInstance("RSA", provider);
PrivateKey testRsaKey = fact.generatePrivate(testRsaKeySpec);
doWriteReadTest(testRsaKey, provider);
doWriteReadTests(testRsaKey, provider, algorithms);
fact = KeyFactory.getInstance("ECDSA", provider);
PrivateKey testEcDsaKey = fact.generatePrivate(testEcDsaKeySpec);
doWriteReadTest(testEcDsaKey, provider);
doWriteReadTests(testEcDsaKey, provider, algorithms);
KeyPairGenerator kpGen = KeyPairGenerator.getInstance("ECDSA", "BC");
kpGen.initialize(239);
PrivateKey privKey = kpGen.generateKeyPair().getPrivate();
doWriteReadTest(privKey, provider);
doWriteReadTests(privKey, "BC", algorithms);
// override test
JcaPEMWriter pWrt = new JcaPEMWriter(new OutputStreamWriter(new ByteArrayOutputStream()));
Object o = new PemObject("FRED", new byte[100]);
pWrt.writeObject(o);
pWrt.close();
}
private void doWriteReadTests(
PrivateKey akp,
String provider,
String[] algorithms)
throws IOException
{
for (int i = 0; i < algorithms.length; ++i)
{
doWriteReadTest(akp, provider, algorithms[i]);
}
}
private void doWriteReadTest(
PrivateKey akp,
String provider)
throws IOException
{
StringWriter sw = new StringWriter();
JcaPEMWriter pw = new JcaPEMWriter(sw);
pw.writeObject(akp);
pw.close();
String data = sw.toString();
PEMParser pr = new PEMParser(new StringReader(data));
Object o = pr.readObject();
if (o == null || !(o instanceof PEMKeyPair))
{
fail("Didn't find OpenSSL key");
}
KeyPair kp = new JcaPEMKeyConverter().setProvider("BC").getKeyPair((PEMKeyPair)o);
PrivateKey privKey = kp.getPrivate();
if (!akp.equals(privKey))
{
fail("Failed to read back test");
}
}
private void doWriteReadTest(
PrivateKey akp,
String provider,
String algorithm)
throws IOException
{
StringWriter sw = new StringWriter();
JcaPEMWriter pw = new JcaPEMWriter(sw);
pw.writeObject(new JcaMiscPEMGenerator(akp, new JcePEMEncryptorBuilder(algorithm).setSecureRandom(random).build(testPassword)));
pw.close();
String data = sw.toString();
PEMParser pRaw = new PEMParser(new StringReader(data));
PemObject pemObject = pRaw.readPemObject();
List headers = pemObject.getHeaders();
for (int i = 0; i != headers.size(); i++)
{
PemHeader pemH = (PemHeader)headers.get(i);
if (pemH.getName().equals("DEK-Info"))
{
String v = pemH.getValue();
for (int j = 0; j != v.length(); j++)
{
if (v.charAt(j) >= 'a' && v.charAt(j) <= 'f')
{
fail("lower case detected in DEK-Info: " + v);
}
}
}
}
PEMParser pr = new PEMParser(new StringReader(data));
Object o = pr.readObject();
if (o == null || !(o instanceof PEMEncryptedKeyPair))
{
fail("Didn't find OpenSSL key");
}
KeyPair kp = new JcaPEMKeyConverter().setProvider("BC").getKeyPair(((PEMEncryptedKeyPair)o).decryptKeyPair(new JcePEMDecryptorProviderBuilder().setProvider("BC").build(testPassword)));
PrivateKey privKey = kp.getPrivate();
if (!akp.equals(privKey))
{
fail("Failed to read back test key encoded with: " + algorithm);
}
kp = new JcaPEMKeyConverter().setProvider("BC").getKeyPair(((PEMEncryptedKeyPair)o).decryptKeyPair(new BcPEMDecryptorProvider(testPassword)));
privKey = kp.getPrivate();
if (!akp.equals(privKey))
{
fail("BC failed to read back test key encoded with: " + algorithm);
}
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new WriterTest());
}
}