Example usage for java.security.cert CertificateFactory generateCertificate

List of usage examples for java.security.cert CertificateFactory generateCertificate

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Introduction

In this page you can find the example usage for java.security.cert CertificateFactory generateCertificate.

Prototype

public final Certificate generateCertificate(InputStream inStream) throws CertificateException

Source Link

Document

Generates a certificate object and initializes it with the data read from the input stream inStream .

Usage

From source file:com.linkage.crm.csb.sign.CtSignature.java

/**
 * .//from   w  ww .  j  a v  a2s  . c o  m
 * 
 * @param originalText String 
 * @param signedText String 
 * @param pubKeyFile String 
 * @return boolean 
 */
public static boolean verify(String originalText, String signedText, String pubKeyFile) {
    try {
        CertificateFactory certificatefactory = CertificateFactory.getInstance("X.509");
        FileInputStream fin = new FileInputStream(pubKeyFile);
        X509Certificate certificate = (X509Certificate) certificatefactory.generateCertificate(fin);
        PublicKey pub = certificate.getPublicKey();
        Signature dsa = Signature.getInstance("SHA1withDSA");
        dsa.initVerify(pub);
        dsa.update(originalText.getBytes());
        return dsa.verify(HexUtils.fromHexString(signedText));
    } catch (Exception ex) {
        logger.error("errors appeared while trying to verify a signature", ex);
        return false;
    }
}

From source file:be.fedict.eid.dss.admin.portal.control.bean.RPBean.java

private static X509Certificate getCertificate(byte[] certificateBytes) throws CertificateException {

    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    return (X509Certificate) certificateFactory.generateCertificate(new ByteArrayInputStream(certificateBytes));
}

From source file:edu.ucsb.eucalyptus.keys.AbstractKeyStore.java

public static X509Certificate pemToX509(final String certPem)
        throws CertificateException, NoSuchProviderException {
    CertificateFactory certificatefactory = CertificateFactory.getInstance("X.509", KeyTool.PROVIDER);
    X509Certificate cert = (X509Certificate) certificatefactory
            .generateCertificate(new ByteArrayInputStream(certPem.getBytes()));
    return cert;//from  w w w .  j av  a 2  s.c o  m
}

From source file:cn.com.loopj.android.http.MySSLSocketFactory.java

/**
 * Gets a KeyStore containing the Certificate
 *
 * @param cert InputStream of the Certificate
 * @return KeyStore//from   www .ja  v  a 2  s .co m
 */
public static KeyStore getKeystoreOfCA(InputStream cert) {

    // Load CAs from an InputStream
    InputStream caInput = null;
    Certificate ca = null;
    try {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        caInput = new BufferedInputStream(cert);
        ca = cf.generateCertificate(caInput);
    } catch (CertificateException e1) {
        e1.printStackTrace();
    } finally {
        try {
            if (caInput != null) {
                caInput.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // Create a KeyStore containing our trusted CAs
    String keyStoreType = KeyStore.getDefaultType();
    KeyStore keyStore = null;
    try {
        keyStore = KeyStore.getInstance(keyStoreType);
        keyStore.load(null, null);
        keyStore.setCertificateEntry("ca", ca);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return keyStore;
}

From source file:eidassaml.starterkit.Utils.java

/**
 * /*from   w  w w .java2  s.com*/
 * @param is
 * @return
 * @throws IOException
 * @throws CertificateException
 */
public static X509Certificate readX509Certificate(InputStream is) throws IOException, CertificateException {
    CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
    return (X509Certificate) certFactory.generateCertificate(is);
}

From source file:net.link.util.test.pkix.PkiTestUtils.java

public static X509Certificate loadCertificate(InputStream inputStream) throws CertificateException {

    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    return (X509Certificate) certificateFactory.generateCertificate(inputStream);
}

From source file:me.xiaopan.android.gohttp.httpclient.MySSLSocketFactory.java

/**
 * Gets a KeyStore containing the Certificate
 *
 * @param cert InputStream of the Certificate
 * @return KeyStore/*from   w  w  w .j ava 2  s.  c om*/
 */
public static KeyStore getKeystoreOfCA(InputStream cert) {

    // Load CAs from an InputStream
    InputStream caInput = null;
    Certificate ca = null;
    try {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        caInput = new BufferedInputStream(cert);
        ca = (Certificate) cf.generateCertificate(caInput);
    } catch (CertificateException e1) {
        e1.printStackTrace();
    } finally {
        try {
            caInput.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // Create a KeyStore containing our trusted CAs
    String keyStoreType = KeyStore.getDefaultType();
    KeyStore keyStore = null;
    try {
        keyStore = KeyStore.getInstance(keyStoreType);
        keyStore.load(null, null);
        keyStore.setCertificateEntry("ca", (Certificate) ca);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return keyStore;
}

From source file:com.shalzz.attendance.wrapper.MySSLSocketFactory.java

/**
 * Gets a KeyStore containing the Certificate
 * //from  w w w. java  2 s .  com
 * @param cert InputStream of the Certificate
 * @return KeyStore
 */
public static KeyStore getKeystoreOfCA(InputStream cert) {

    // Load CAs from an InputStream
    InputStream caInput = null;
    Certificate ca = null;
    try {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        caInput = new BufferedInputStream(cert);
        ca = cf.generateCertificate(caInput);
    } catch (CertificateException e1) {
        e1.printStackTrace();
    } finally {
        try {
            caInput.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // Create a KeyStore containing our trusted CAs
    String keyStoreType = KeyStore.getDefaultType();
    KeyStore keyStore = null;
    try {
        keyStore = KeyStore.getInstance(keyStoreType);
        keyStore.load(null, null);
        keyStore.setCertificateEntry("ca", ca);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return keyStore;
}

From source file:kr.co.exsoft.eframework.util.LicenseUtil.java

/**
 * /* w  ww  .  j  av a 2 s. c o m*/
 * <pre> 
 * 1.  :  ??   WAS
 * 2.  :
 * </pre>
 * @Method Name : decipherLicenseKeyWeb
 * @param licenseKey
 * @return String
 * @throws Exception
 */
public static String decipherLicenseKeyWeb(String licenseKey) throws Exception {

    String ret = null;

    if (StringUtils.isNotBlank(licenseKey)) {

        // URLDecoder - ? ?   
        String certName = URLDecoder.decode(
                LicenseUtil.class.getResource("/").getPath() + "kr/co/exsoft/eframework/cert/exsoft.cer",
                "utf-8");

        //  WAS  
        if (certName.indexOf("WEB-INF/") != -1) {
            certName = certName.replace("WEB-INF", "WEB-INF/");
        }

        FileInputStream certfis = null;

        try {
            certfis = new FileInputStream(certName);
        } catch (Exception e) {
            // JBOSS?  Jboss system property?   .
            // Jboss system  ? standalone.xml ? 
            /*<system-properties>
               <property name="org.apache.catalina.connector.URI_ENCODING" value="UTF-8" />
               <property name="org.apache.catalina.connector.USE_BODY_ENCODING_FOR_QUERY_STRING" value="true" />
               <property name="exsoft.license.cert.path" value="D:/jboss-eap-6.3/standalone/deployments/EDMS3.0.war/WEB-INF/classes" /> 
            </system-properties>*/
            // Jboss exception ?  WAS System property    

            certName = URLDecoder.decode(
                    System.getProperty("exsoft.license.cert.path") + "/kr/co/exsoft/eframework/cert/exsoft.cer",
                    "utf-8");

            try {
                certfis = new FileInputStream(certName);
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }

        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        Certificate cert = cf.generateCertificate(certfis);

        PublicKey key = cert.getPublicKey();

        // ??  .
        ret = unspell(licenseKey, key);
    }

    return ret;
}

From source file:Main.java

/**
 *
 * @param f//from   w w  w. jav a 2  s. co  m
 * @throws Exception
 */
private static X509Certificate readCertificate(File f) throws CertificateException, IOException {
    CertificateFactory cf = CertificateFactory.getInstance("X.509");

    // Use BufferedInputStream (which supports mark and reset) so that each
    // generateCertificate call consumes one certificate.
    BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
    X509Certificate cert = (X509Certificate) cf.generateCertificate(in);
    in.close();
    return cert;
}