+++ /dev/null
-package org.argeo.cms.internal.kernel;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.Reader;
-import java.math.BigInteger;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.security.GeneralSecurityException;
-import java.security.KeyPair;
-import java.security.KeyPairGenerator;
-import java.security.KeyStore;
-import java.security.KeyStoreException;
-import java.security.PrivateKey;
-import java.security.SecureRandom;
-import java.security.Security;
-import java.security.cert.Certificate;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.util.Date;
-
-import javax.security.auth.x500.X500Principal;
-
-import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
-import org.bouncycastle.cert.X509CertificateHolder;
-import org.bouncycastle.cert.X509v3CertificateBuilder;
-import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
-import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
-import org.bouncycastle.openssl.PEMParser;
-import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
-import org.bouncycastle.openssl.jcajce.JceOpenSSLPKCS8DecryptorProviderBuilder;
-import org.bouncycastle.operator.ContentSigner;
-import org.bouncycastle.operator.InputDecryptorProvider;
-import org.bouncycastle.operator.OperatorCreationException;
-import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
-import org.bouncycastle.pkcs.PKCS8EncryptedPrivateKeyInfo;
-import org.bouncycastle.pkcs.PKCSException;
-
-/**
- * Utilities around private keys and certificate, mostly wrapping BouncyCastle
- * implementations.
- */
-class PkiUtils {
- final static String PKCS12 = "PKCS12";
-
- private final static String SECURITY_PROVIDER;
- static {
- Security.addProvider(new BouncyCastleProvider());
- SECURITY_PROVIDER = "BC";
- }
-
- public static X509Certificate generateSelfSignedCertificate(KeyStore keyStore, X500Principal x500Principal,
- int keySize, char[] keyPassword) {
- try {
- KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", SECURITY_PROVIDER);
- kpGen.initialize(keySize, new SecureRandom());
- KeyPair pair = kpGen.generateKeyPair();
- Date notBefore = new Date(System.currentTimeMillis() - 10000);
- Date notAfter = new Date(System.currentTimeMillis() + 365 * 24L * 3600 * 1000);
- BigInteger serial = BigInteger.valueOf(System.currentTimeMillis());
- X509v3CertificateBuilder certGen = new JcaX509v3CertificateBuilder(x500Principal, serial, notBefore,
- notAfter, x500Principal, pair.getPublic());
- ContentSigner sigGen = new JcaContentSignerBuilder("SHA256WithRSAEncryption").setProvider(SECURITY_PROVIDER)
- .build(pair.getPrivate());
- X509Certificate cert = new JcaX509CertificateConverter().setProvider(SECURITY_PROVIDER)
- .getCertificate(certGen.build(sigGen));
- cert.checkValidity(new Date());
- cert.verify(cert.getPublicKey());
-
- keyStore.setKeyEntry(x500Principal.getName(), pair.getPrivate(), keyPassword, new Certificate[] { cert });
- return cert;
- } catch (GeneralSecurityException | OperatorCreationException e) {
- throw new RuntimeException("Cannot generate self-signed certificate", e);
- }
- }
-
- public static KeyStore getKeyStore(Path keyStoreFile, char[] keyStorePassword, String keyStoreType) {
- try {
- KeyStore store = KeyStore.getInstance(keyStoreType, SECURITY_PROVIDER);
- if (Files.exists(keyStoreFile)) {
- try (InputStream fis = Files.newInputStream(keyStoreFile)) {
- store.load(fis, keyStorePassword);
- }
- } else {
- store.load(null);
- }
- return store;
- } catch (GeneralSecurityException | IOException e) {
- throw new RuntimeException("Cannot load keystore " + keyStoreFile, e);
- }
- }
-
- public static void saveKeyStore(Path keyStoreFile, char[] keyStorePassword, KeyStore keyStore) {
- try {
- try (OutputStream fis = Files.newOutputStream(keyStoreFile)) {
- keyStore.store(fis, keyStorePassword);
- }
- } catch (GeneralSecurityException | IOException e) {
- throw new RuntimeException("Cannot save keystore " + keyStoreFile, e);
- }
- }
-
-// public static byte[] pemToPKCS12(final String keyFile, final String cerFile, final String password)
-// throws Exception {
-// // Get the private key
-// FileReader reader = new FileReader(keyFile);
-//
-// PEMReader pem = new PemReader(reader, new PasswordFinder() {
-// @Override
-// public char[] getPassword() {
-// return password.toCharArray();
-// }
-// });
-//
-// PrivateKey key = ((KeyPair) pem.readObject()).getPrivate();
-//
-// pem.close();
-// reader.close();
-//
-// // Get the certificate
-// reader = new FileReader(cerFile);
-// pem = new PEMReader(reader);
-//
-// X509Certificate cert = (X509Certificate) pem.readObject();
-//
-// pem.close();
-// reader.close();
-//
-// // Put them into a PKCS12 keystore and write it to a byte[]
-// ByteArrayOutputStream bos = new ByteArrayOutputStream();
-// KeyStore ks = KeyStore.getInstance("PKCS12");
-// ks.load(null);
-// ks.setKeyEntry("alias", (Key) key, password.toCharArray(), new java.security.cert.Certificate[] { cert });
-// ks.store(bos, password.toCharArray());
-// bos.close();
-// return bos.toByteArray();
-// }
-
- public static void loadPem(KeyStore keyStore, Reader key, char[] keyPassword, Reader cert) {
- PrivateKey privateKey = loadPemPrivateKey(key, keyPassword);
- X509Certificate certificate = loadPemCertificate(cert);
- try {
- keyStore.setKeyEntry(certificate.getSubjectX500Principal().getName(), privateKey, keyPassword,
- new java.security.cert.Certificate[] { certificate });
- } catch (KeyStoreException e) {
- throw new RuntimeException("Cannot store PEM certificate", e);
- }
- }
-
- public static PrivateKey loadPemPrivateKey(Reader reader, char[] keyPassword) {
- try (PEMParser pemParser = new PEMParser(reader)) {
- JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
- Object object = pemParser.readObject();
- PrivateKeyInfo privateKeyInfo;
- if (object instanceof PKCS8EncryptedPrivateKeyInfo) {
- if (keyPassword == null)
- throw new IllegalArgumentException("A key password is required");
- InputDecryptorProvider decProv = new JceOpenSSLPKCS8DecryptorProviderBuilder().build(keyPassword);
- privateKeyInfo = ((PKCS8EncryptedPrivateKeyInfo) object).decryptPrivateKeyInfo(decProv);
- } else if (object instanceof PrivateKeyInfo) {
- privateKeyInfo = (PrivateKeyInfo) object;
- } else {
- throw new IllegalArgumentException("Unsupported format for private key");
- }
- return converter.getPrivateKey(privateKeyInfo);
- } catch (IOException | OperatorCreationException | PKCSException e) {
- throw new RuntimeException("Cannot read private key", e);
- }
- }
-
- public static X509Certificate loadPemCertificate(Reader reader) {
- try (PEMParser pemParser = new PEMParser(reader)) {
- X509CertificateHolder certHolder = (X509CertificateHolder) pemParser.readObject();
- X509Certificate cert = new JcaX509CertificateConverter().setProvider(SECURITY_PROVIDER)
- .getCertificate(certHolder);
- return cert;
- } catch (IOException | CertificateException e) {
- throw new RuntimeException("Cannot read private key", e);
- }
- }
-
- public static void main(String[] args) throws Exception {
- final String ALGORITHM = "RSA";
- final String provider = "BC";
- SecureRandom secureRandom = new SecureRandom();
- long begin = System.currentTimeMillis();
- for (int i = 512; i < 1024; i = i + 2) {
- try {
- KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM, provider);
- keyGen.initialize(i, secureRandom);
- keyGen.generateKeyPair();
- } catch (Exception e) {
- System.err.println(i + " : " + e.getMessage());
- }
- }
- System.out.println((System.currentTimeMillis() - begin) + " ms");
-
- // // String text = "a";
- // String text =
- // "testtesttesttesttesttesttesttesttesttesttesttesttesttesttest";
- // try {
- // System.out.println(text);
- // PrivateKey privateKey;
- // PublicKey publicKey;
- // char[] password = "changeit".toCharArray();
- // String alias = "CN=test";
- // KeyStore keyStore = KeyStore.getInstance("pkcs12");
- // File p12file = new File("test.p12");
- // p12file.delete();
- // if (!p12file.exists()) {
- // keyStore.load(null);
- // generateSelfSignedCertificate(keyStore, new X500Principal(alias),
- // 513, password);
- // try (OutputStream out = new FileOutputStream(p12file)) {
- // keyStore.store(out, password);
- // }
- // }
- // try (InputStream in = new FileInputStream(p12file)) {
- // keyStore.load(in, password);
- // privateKey = (PrivateKey) keyStore.getKey(alias, password);
- // publicKey = keyStore.getCertificateChain(alias)[0].getPublicKey();
- // }
- // // KeyPair key;
- // // final KeyPairGenerator keyGen =
- // // KeyPairGenerator.getInstance(ALGORITHM);
- // // keyGen.initialize(4096, new SecureRandom());
- // // long begin = System.currentTimeMillis();
- // // key = keyGen.generateKeyPair();
- // // System.out.println((System.currentTimeMillis() - begin) + " ms");
- // // keyStore.load(null);
- // // keyStore.setKeyEntry("test", key.getPrivate(), password, null);
- // // try(OutputStream out=new FileOutputStream(p12file)) {
- // // keyStore.store(out, password);
- // // }
- // // privateKey = key.getPrivate();
- // // publicKey = key.getPublic();
- //
- // Cipher encrypt = Cipher.getInstance(ALGORITHM);
- // encrypt.init(Cipher.ENCRYPT_MODE, publicKey);
- // byte[] encrypted = encrypt.doFinal(text.getBytes());
- // String encryptedBase64 =
- // Base64.getEncoder().encodeToString(encrypted);
- // System.out.println(encryptedBase64);
- // byte[] encryptedFromBase64 =
- // Base64.getDecoder().decode(encryptedBase64);
- //
- // Cipher decrypt = Cipher.getInstance(ALGORITHM);
- // decrypt.init(Cipher.DECRYPT_MODE, privateKey);
- // byte[] decrypted = decrypt.doFinal(encryptedFromBase64);
- // System.out.println(new String(decrypted));
- // } catch (Exception e) {
- // e.printStackTrace();
- // }
-
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff