java.security.cert.Certificate.getPublicKey()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.security.cert.Certificate.getPublicKey()方法的一些代码示例，展示了Certificate.getPublicKey()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Certificate.getPublicKey()方法的具体详情如下：
包路径：java.security.cert.Certificate
类名称：Certificate
方法名：getPublicKey

Certificate.getPublicKey介绍

[英]Returns the public key corresponding to this certificate.
[中]返回与此证书对应的公钥。

代码示例

代码示例来源：origin: apache/ignite

/**
 * Tests whether given certificate contains public key or not.
 *
 * @param key Public key which we are looking for.
 * @param certs Certificate which should be tested.
 * @return {@code true} if certificate contains given key and
 *      {@code false} if not.
 */
private static boolean findKeyInCertificates(PublicKey key, Certificate[] certs) {
  if (key == null || certs == null)
    return false;
  for (Certificate cert : certs) {
    if (cert.getPublicKey().equals(key))
      return true;
  }
  return false;
}

代码示例来源：origin: prestodb/presto

private static boolean matches(PrivateKey privateKey, Certificate certificate)
{
  try {
    PublicKey publicKey = certificate.getPublicKey();
    Signature signer = createSignature(privateKey, publicKey);
    signer.initSign(privateKey);
    signer.update(TEST_SIGNATURE_DATA);
    byte[] signature = signer.sign();
    signer.initVerify(publicKey);
    signer.update(TEST_SIGNATURE_DATA);
    return signer.verify(signature);
  }
  catch (GeneralSecurityException ignored) {
    return false;
  }
}

代码示例来源：origin: alibaba/druid

public static PublicKey getPublicKeyByX509(String x509File) {
  if (x509File == null || x509File.length() == 0) {
    return ConfigTools.getPublicKey(null);
  }
  FileInputStream in = null;
  try {
    in = new FileInputStream(x509File);
    CertificateFactory factory = CertificateFactory
        .getInstance("X.509");
    Certificate cer = factory.generateCertificate(in);
    return cer.getPublicKey();
  } catch (Exception e) {
    throw new IllegalArgumentException("Failed to get public key", e);
  } finally {
    JdbcUtils.close(in);
  }
}

代码示例来源：origin: wildfly/wildfly

/**
 * Set the certificate.
 *
 * @param certificate the certificate (must not be {@code null})
 * @return this builder instance
 */
public Builder setCertificate(final Certificate certificate) {
  Assert.checkNotNullParam("certificate", certificate);
  this.certificate = certificate;
  this.publicKey = certificate.getPublicKey();
  return this;
}

代码示例来源：origin: skylot/jadx

String generateRSAPublicKey() {
  RSAPublicKey pub = (RSAPublicKey) cert.getPublicKey();
  StringBuilder builder = new StringBuilder();
  append(builder, NLS.str("certificate.serialPubKeyType"), pub.getAlgorithm());
  append(builder, NLS.str("certificate.serialPubKeyExponent"), pub.getPublicExponent().toString(10));
  append(builder, NLS.str("certificate.serialPubKeyModulusSize"), Integer.toString(
      pub.getModulus().toString(2).length()));
  append(builder, NLS.str("certificate.serialPubKeyModulus"), pub.getModulus().toString(10));
  return builder.toString();
}

代码示例来源：origin: looly/hutool

/**
 * 从KeyStore中获取私钥公钥
 * 
 * @param keyStore {@link KeyStore}
 * @param password 密码
 * @param alias 别名
 * @return {@link KeyPair}
 * @since 4.4.1
 */
public static KeyPair getKeyPair(KeyStore keyStore, char[] password, String alias) {
  PublicKey publicKey;
  PrivateKey privateKey;
  try {
    publicKey = keyStore.getCertificate(alias).getPublicKey();
    privateKey = (PrivateKey) keyStore.getKey(alias, password);
  } catch (Exception e) {
    throw new CryptoException(e);
  }
  return new KeyPair(publicKey, privateKey);
}

代码示例来源：origin: looly/hutool

/**
 * 从KeyStore中获取私钥公钥
 * 
 * @param keyStore {@link KeyStore}
 * @param password 密码
 * @param alias 别名
 * @return {@link KeyPair}
 * @since 4.4.1
 */
public static KeyPair getKeyPair(KeyStore keyStore, char[] password, String alias) {
  PublicKey publicKey;
  PrivateKey privateKey;
  try {
    publicKey = keyStore.getCertificate(alias).getPublicKey();
    privateKey = (PrivateKey) keyStore.getKey(alias, password);
  } catch (Exception e) {
    throw new CryptoException(e);
  }
  return new KeyPair(publicKey, privateKey);
}

代码示例来源：origin: gocd/gocd

boolean verifySigned(File keystore, Certificate agentCertificate) {
  try {
    KeyStore store = KeyStore.getInstance("JKS");
    FileInputStream inputStream = new FileInputStream(keystore);
    store.load(inputStream, PASSWORD_AS_CHAR_ARRAY);
    IOUtils.closeQuietly(inputStream);
    KeyStore.PrivateKeyEntry intermediateEntry = (KeyStore.PrivateKeyEntry) store.getEntry("ca-intermediate",
        new KeyStore.PasswordProtection(PASSWORD_AS_CHAR_ARRAY));
    Certificate intermediateCertificate = intermediateEntry.getCertificate();
    agentCertificate.verify(intermediateCertificate.getPublicKey());
    return true;
  } catch (Exception e) {
    return false;
  }
}

代码示例来源：origin: igniterealtime/Smack

final Certificate[] peerCertificates = sslSession.getPeerCertificates();
final Certificate certificate = peerCertificates[0];
final String certificateAlgorithm = certificate.getPublicKey().getAlgorithm();

代码示例来源：origin: skylot/jadx

String generateDSAPublicKey() {
  DSAPublicKey pub = (DSAPublicKey) cert.getPublicKey();
  StringBuilder builder = new StringBuilder();
  append(builder, NLS.str("certificate.serialPubKeyType"), pub.getAlgorithm());
  append(builder, NLS.str("certificate.serialPubKeyY"), pub.getY().toString(10));
  return builder.toString();
}

代码示例来源：origin: wildfly/wildfly

@Override
public void setKeyStoreEntry(KeyStore.PrivateKeyEntry entry) {
  this.key_pair = new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
}

代码示例来源：origin: spring-projects/spring-security-oauth

public ConsumerDetails getObject() throws Exception {
  if ("rsa-cert".equals(typeOfSecret)) {
    try {
      Certificate cert = CertificateFactory.getInstance("X.509").generateCertificate(resourceLoader.getResource(secret).getInputStream());
      consumer.setSignatureSecret(new RSAKeySecret(cert.getPublicKey()));
    }
    catch (IOException e) {
      throw new BeanCreationException("RSA certificate not found at " + secret + ".",
          e);
    }
    catch (CertificateException e) {
      throw new BeanCreationException("Invalid RSA certificate at " + secret + ".", e);
    }
    catch (NullPointerException e) {
      throw new BeanCreationException("Could not load RSA certificate at " + secret + ".", e);
    }
  }
  else {
    consumer.setSignatureSecret(new SharedConsumerSecretImpl(secret));
  }
  return consumer;
}

代码示例来源：origin: jersey/jersey

cert = certfac.generateCertificate(bis);
  rsaPubKey = (RSAPublicKey) cert.getPublicKey();
} catch (final Exception ex) {
  LOGGER.log(Level.SEVERE, LocalizationMessages.ERROR_CANNOT_OBTAIN_PUBLIC_KEY(), ex);

代码示例来源：origin: stackoverflow.com

PublicKey publicKey = certificate.getPublicKey();

代码示例来源：origin: igniterealtime/Openfire

certs.append("\n\n-----BEGIN CERTIFICATE-----\n");
certs.append(DatatypeConverter.printBase64Binary(
    certificate.getPublicKey().getEncoded()).replaceAll("(.{64})", "$1\n"));
certs.append("\n-----END CERTIFICATE-----\n\n");

代码示例来源：origin: looly/hutool

/**
   * 设置{@link Certificate} 为PublicKey<br>
   * 如果Certificate是X509Certificate，我们需要检查是否有密钥扩展
   * 
   * @param certificate {@link Certificate}
   * @return this
   */
  public Sign setCertificate(Certificate certificate) {
    // If the certificate is of type X509Certificate,
    // we should check whether it has a Key Usage
    // extension marked as critical.
    if (certificate instanceof java.security.cert.X509Certificate) {
      // Check whether the cert has a key usage extension
      // marked as a critical extension.
      // The OID for KeyUsage extension is 2.5.29.15.
      final X509Certificate cert = (X509Certificate) certificate;
      final Set<String> critSet = cert.getCriticalExtensionOIDs();

      if (CollUtil.isNotEmpty(critSet) && critSet.contains("2.5.29.15")) {
        final boolean[] keyUsageInfo = cert.getKeyUsage();
        // keyUsageInfo[0] is for digitalSignature.
        if ((keyUsageInfo != null) && (keyUsageInfo[0] == false)) {
          throw new CryptoException("Wrong key usage");
        }
      }
    }
    this.publicKey = certificate.getPublicKey();
    return this;
  }
}

代码示例来源：origin: looly/hutool

/**
   * 设置{@link Certificate} 为PublicKey<br>
   * 如果Certificate是X509Certificate，我们需要检查是否有密钥扩展
   * 
   * @param certificate {@link Certificate}
   * @return this
   */
  public Sign setCertificate(Certificate certificate) {
    // If the certificate is of type X509Certificate,
    // we should check whether it has a Key Usage
    // extension marked as critical.
    if (certificate instanceof java.security.cert.X509Certificate) {
      // Check whether the cert has a key usage extension
      // marked as a critical extension.
      // The OID for KeyUsage extension is 2.5.29.15.
      final X509Certificate cert = (X509Certificate) certificate;
      final Set<String> critSet = cert.getCriticalExtensionOIDs();

      if (CollUtil.isNotEmpty(critSet) && critSet.contains("2.5.29.15")) {
        final boolean[] keyUsageInfo = cert.getKeyUsage();
        // keyUsageInfo[0] is for digitalSignature.
        if ((keyUsageInfo != null) && (keyUsageInfo[0] == false)) {
          throw new CryptoException("Wrong key usage");
        }
      }
    }
    this.publicKey = certificate.getPublicKey();
    return this;
  }
}

代码示例来源：origin: wildfly/wildfly

@Override
  public SingleSignOnSessionFactory get() {
    KeyStore store = this.keyStore.get();
    String alias = this.keyAlias;
    CredentialSource source = this.credentialSource.get();
    try {
      if (!store.containsAlias(alias)) {
        throw UndertowLogger.ROOT_LOGGER.missingKeyStoreEntry(alias);
      }
      if (!store.entryInstanceOf(alias, KeyStore.PrivateKeyEntry.class)) {
        throw UndertowLogger.ROOT_LOGGER.keyStoreEntryNotPrivate(alias);
      }
      PasswordCredential credential = source.getCredential(PasswordCredential.class);
      if (credential == null) {
        throw UndertowLogger.ROOT_LOGGER.missingCredential(source.toString());
      }
      ClearPassword password = credential.getPassword(ClearPassword.class);
      if (password == null) {
        throw UndertowLogger.ROOT_LOGGER.credentialNotClearPassword(credential.toString());
      }
      KeyStore.PrivateKeyEntry entry = (KeyStore.PrivateKeyEntry) store.getEntry(alias, new KeyStore.PasswordProtection(password.getPassword()));
      KeyPair keyPair = new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
      Optional<SSLContext> context = Optional.ofNullable(this.sslContext).map(dependency -> dependency.get());
      return new DefaultSingleSignOnSessionFactory(this.manager.get(), keyPair, connection -> context.ifPresent(ctx -> connection.setSSLSocketFactory(ctx.getSocketFactory())));
    } catch (GeneralSecurityException | IOException e) {
      throw new IllegalArgumentException(e);
    }
  }
}

代码示例来源：origin: JZ-Darkal/AndroidHttpCapture

cert.verify(caCert.getPublicKey());

代码示例来源：origin: wildfly/wildfly

@Override
  public CipherAuthToken apply(String authValue) {
    KeyStore store = this.keyStore.get();
    String alias = this.keyAlias;
    try {
      if (!store.containsAlias(alias)) {
        throw JGroupsLogger.ROOT_LOGGER.keyEntryNotFound(alias);
      }
      if (!store.entryInstanceOf(alias, KeyStore.PrivateKeyEntry.class)) {
        throw JGroupsLogger.ROOT_LOGGER.unexpectedKeyStoreEntryType(alias, KeyStore.PrivateKeyEntry.class.getSimpleName());
      }
      PasswordCredential credential = this.keyCredentialSource.get().getCredential(PasswordCredential.class);
      if (credential == null) {
        throw JGroupsLogger.ROOT_LOGGER.unexpectedCredentialSource();
      }
      ClearPassword password = credential.getPassword(ClearPassword.class);
      if (password == null) {
        throw JGroupsLogger.ROOT_LOGGER.unexpectedCredentialSource();
      }
      KeyStore.PrivateKeyEntry entry = (KeyStore.PrivateKeyEntry) store.getEntry(alias, new KeyStore.PasswordProtection(password.getPassword()));
      KeyPair pair = new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
      Cipher cipher = Cipher.getInstance(this.transformation);
      return new CipherAuthToken(cipher, pair, authValue.getBytes(StandardCharsets.UTF_8));
    } catch (GeneralSecurityException | IOException e) {
      throw new IllegalArgumentException(e);
    }
  }
}

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