Example usage for org.bouncycastle.util.encoders Base64 encode

Introduction

In this page you can find the example usage for org.bouncycastle.util.encoders Base64 encode.

Prototype

public static byte[] encode(byte[] data) 

Source Link

Document

encode the input data producing a base 64 encoded byte array.

Usage

From source file:org.freenetproject.freemail.smtp.SMTPSessionTest.java

License:Open Source License

/**
 * Runs through a full session sending a simple message to one recipient.
 *
 * @throws IOException on IO errors with SMTP thread, should never happen
 *///  www.  j  av a2 s.  com
@Test
public void simpleSession() throws IOException {
    Assume.assumeTrue(UnitTestParameters.EXTENSIVE);

    final String message = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is a simple SMTP test for Freemail\r\n";

    String authData = new String(
            Base64.encode(("\0" + TestId1Data.Identity.ID + "\0" + PASSWORD).getBytes("ASCII")), "ASCII");
    List<Command> commands = new LinkedList<Command>();
    commands.add(new Command(null, "220 localhost ready"));
    commands.add(new Command("EHLO", "250-localhost", "250 AUTH LOGIN PLAIN"));
    commands.add(new Command("AUTH PLAIN " + authData, "235 Authenticated"));
    commands.add(new Command("MAIL FROM:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("RCPT TO:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("DATA", "354 Go crazy"));
    commands.add(new Command(message + ".\r\n", "250 So be it"));

    runSimpleSessionTest(commands, true, Collections.singletonList(message),
            Collections.singletonList(TestId1Data.FreemailAccount.ADDRESS));
}

---

From source file:org.freenetproject.freemail.smtp.SMTPSessionTest.java

License:Open Source License

/**
 * Runs through a full session sending a simple message to one recipient where MessageHandler
 * returns a failure.//from  w  ww . j a v  a  2  s.  c  o  m
 *
 * @throws IOException on IO errors with SMTP thread, should never happen
 */
@Test
public void simpleSessionSendFails() throws IOException {
    Assume.assumeTrue(UnitTestParameters.EXTENSIVE);

    final String message = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is a simple SMTP test for Freemail\r\n";

    String authData = new String(
            Base64.encode(("\0" + TestId1Data.Identity.ID + "\0" + PASSWORD).getBytes("ASCII")), "ASCII");
    List<Command> commands = new LinkedList<Command>();
    commands.add(new Command(null, "220 localhost ready"));
    commands.add(new Command("EHLO", "250-localhost", "250 AUTH LOGIN PLAIN"));
    commands.add(new Command("AUTH PLAIN " + authData, "235 Authenticated"));
    commands.add(new Command("MAIL FROM:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("RCPT TO:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("DATA", "354 Go crazy"));
    commands.add(new Command(message + ".\r\n", "452 Message sending failed"));

    runSimpleSessionTest(commands, false, Collections.singletonList(message),
            Collections.singletonList(TestId1Data.FreemailAccount.ADDRESS));
}

---

From source file:org.freenetproject.freemail.smtp.SMTPSessionTest.java

License:Open Source License

/**
 * Tests that the correct message is handed to the MessageHandler when the message contains
 * dot padding (see <a href="https://tools.ietf.org/html/rfc5321#section-4.5.2">RFC5321 section 4.5.2</a>).
 *
 * @throws IOException on IO errors with SMTP thread, should never happen
 *//*from   ww w .j  a  va2 s . co  m*/
@Test
public void messageWithDotPadding() throws IOException {
    Assume.assumeTrue(UnitTestParameters.EXTENSIVE);

    final String message = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is a simple SMTP test for Freemail\r\n" + ".\r\n";
    final String padded = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is a simple SMTP test for Freemail\r\n" + "..\r\n";

    String authData = new String(
            Base64.encode(("\0" + TestId1Data.Identity.ID + "\0" + PASSWORD).getBytes("ASCII")), "ASCII");
    List<Command> commands = new LinkedList<Command>();
    commands.add(new Command(null, "220 localhost ready"));
    commands.add(new Command("EHLO", "250-localhost", "250 AUTH LOGIN PLAIN"));
    commands.add(new Command("AUTH PLAIN " + authData, "235 Authenticated"));
    commands.add(new Command("MAIL FROM:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("RCPT TO:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("DATA", "354 Go crazy"));
    commands.add(new Command(padded + ".\r\n", "250 So be it"));

    runSimpleSessionTest(commands, true, Collections.singletonList(message),
            Collections.singletonList(TestId1Data.FreemailAccount.ADDRESS));
}

---

From source file:org.freenetproject.freemail.smtp.SMTPSessionTest.java

License:Open Source License

/**
 * Sends two messages in the same session to test that the state is reset properly. This checks
 * for bugs like the one fixed in 76444b878e where the state isn't cleared properly before the
 * second mail transaction starts.//from ww w  .ja va  2 s. c  o m
 *
 * @throws IOException on IO errors with SMTP thread, should never happen
 */
@Test
public void twoMessagesInOneSession() throws IOException {
    Assume.assumeTrue(UnitTestParameters.EXTENSIVE);

    final String message1 = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is test message 1.\r\n";

    final String message2 = "Date: Thu, 21 May 1998 05:33:29 -0700\r\n" + "From: "
            + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "Subject: Freemail SMTP test\r\n"
            + "To: " + TestId1Data.FreemailAccount.ADDRESS_WITH_ANGLE + "\r\n" + "\r\n"
            + "This is test message 2.\r\n";

    String authData = new String(
            Base64.encode(("\0" + TestId1Data.Identity.ID + "\0" + PASSWORD).getBytes("ASCII")), "ASCII");
    List<Command> commands = new LinkedList<Command>();
    commands.add(new Command(null, "220 localhost ready"));
    commands.add(new Command("EHLO", "250-localhost", "250 AUTH LOGIN PLAIN"));
    commands.add(new Command("AUTH PLAIN " + authData, "235 Authenticated"));

    //Message 1
    commands.add(new Command("MAIL FROM:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("RCPT TO:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("DATA", "354 Go crazy"));
    commands.add(new Command(message1 + ".\r\n", "250 So be it"));

    //Message 2
    commands.add(new Command("MAIL FROM:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("RCPT TO:<" + TestId1Data.FreemailAccount.ADDRESS + ">", "250 OK"));
    commands.add(new Command("DATA", "354 Go crazy"));
    commands.add(new Command(message2 + ".\r\n", "250 So be it"));

    List<String> messages = new ArrayList<String>(2);
    messages.add(message1);
    messages.add(message2);

    List<String> recipients = new ArrayList<String>(2);
    recipients.add(TestId1Data.FreemailAccount.ADDRESS);
    recipients.add(TestId1Data.FreemailAccount.ADDRESS);

    runSimpleSessionTest(commands, true, messages, recipients);
}

---

From source file:org.freenetproject.freemail.smtp.SMTPStateTest.java

License:Open Source License

@Test
public void dataWithoutRcpt() throws IOException {
    final String username = BASE64_USERNAME;
    final String password = "password";
    final byte[] concatedBytes = ("\0" + username + "\0" + password).getBytes("ASCII");
    final String encoded = new String(Base64.encode(concatedBytes), "ASCII");

    List<String> commands = new LinkedList<String>();
    commands.add("AUTH PLAIN " + encoded);
    commands.add("DATA");

    List<String> expectedResponse = new LinkedList<String>();
    expectedResponse.add("220 localhost ready");
    expectedResponse.add("235 Authenticated");
    expectedResponse.add("503 RCPT first");

    runSimpleTest(commands, expectedResponse);
}

---

From source file:org.glite.ce.commonj.authz.gjaf.LocalUserPIP.java

License:Apache License

public void collectAttributes(Subject peerSubject, ServiceAuthorizationInterface.MessageContext context,
        QName operation) throws AuthorizationException {

    boolean missing = true;
    for (String tmps : opList) {
        missing = missing && (!tmps.equals(operation.getLocalPart()));
    }/*from w ww .j a  v  a2  s .  c o m*/
    if (missing) {
        logger.debug("Operation not enabled: " + operation.getLocalPart());
        return;
    }

    X509Certificate[] certList = (X509Certificate[]) context.getProperty(AuthZConstants.USER_CERTCHAIN_LABEL);
    if (certList == null) {
        logger.error("Cannot retrieve proxy certificate from context");
        throw new AuthorizationException("Cannot retrieve proxy certificate from context");
    }

    File tmpFile = null;
    BufferedWriter tmpFileWriter = null;
    try {
        tmpFile = File.createTempFile("userproxy", ".pem");
        tmpFileWriter = new BufferedWriter(new FileWriter(tmpFile));
        for (X509Certificate certItem : certList) {
            byte[] pemBytes = Base64.encode(certItem.getEncoded());
            tmpFileWriter.write("-----BEGIN CERTIFICATE-----");
            tmpFileWriter.newLine();
            for (int n = 0; n < pemBytes.length; n = n + 64) {
                if ((pemBytes.length - n) < 64) {
                    tmpFileWriter.write(new String(pemBytes, n, pemBytes.length - n));
                } else {
                    tmpFileWriter.write(new String(pemBytes, n, 64));
                }
                tmpFileWriter.newLine();
            }
            tmpFileWriter.write("-----END CERTIFICATE-----");
            tmpFileWriter.newLine();
            tmpFileWriter.flush();
        }
        logger.debug("Created temporary proxy " + tmpFile.getAbsolutePath());
    } catch (Throwable th) {
        if (logger.isDebugEnabled()) {
            logger.error("Cannot store proxy certificate", th);
        } else {
            logger.error("Cannot store proxy certificate: " + th.getMessage());
        }
        throw new AuthorizationException("Cannot store proxy certificate");
    } finally {
        if (tmpFileWriter != null) {
            try {
                tmpFileWriter.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage());
            }
        }
    }

    int retcod = 0;
    Process chmodProc = null;
    /*
     * TODO chmod as parameter
     */
    String chmodCmd = "chmod 0600 " + tmpFile.getAbsolutePath();
    try {
        chmodProc = Runtime.getRuntime().exec(chmodCmd);
        retcod = chmodProc.waitFor();
    } catch (InterruptedException e) {
        logger.warn("Interrupted call to " + chmodCmd);
        retcod = -1;
    } catch (Exception ex) {
        if (logger.isDebugEnabled()) {
            logger.error("Cannot set permissions to the store proxy certificate", ex);

        } else {
            logger.error("Cannot set permissions to the store proxy certificate: " + ex.getMessage());
        }
        retcod = -1;
    } finally {
        if (chmodProc != null) {
            try {
                chmodProc.getInputStream().close();
            } catch (IOException e) {
                logger.error("Cannot close instream for " + chmodCmd);
            }
            try {
                chmodProc.getErrorStream().close();
            } catch (IOException e) {
                logger.error("Cannot close errstream for " + chmodCmd);
            }
            try {
                chmodProc.getOutputStream().close();
            } catch (IOException e) {
                logger.error("Cannot close outstream for " + chmodCmd);
            }
        }
    }

    if (retcod != 0)
        throw new AuthorizationException("Cannot set permissions to the store proxy certificate");

    String[] envp = new String[] { "GLEXEC_MODE=lcmaps_get_account",
            "GLEXEC_CLIENT_CERT=" + tmpFile.getAbsolutePath() };
    String[] cmdLine = new String[] { glexecPath, probeCmd };

    BufferedReader in = null;
    BufferedOutputStream out = null;
    BufferedReader err = null;
    String failureDescr = null;
    try {
        Process proc = Runtime.getRuntime().exec(cmdLine, envp);
        in = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        out = new BufferedOutputStream(proc.getOutputStream());
        err = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

        proc.waitFor();
        if (proc.exitValue() != 0) {
            StringBuffer buff = new StringBuffer("glexec error: ");
            String line = err.readLine();
            while (line != null) {
                buff.append(line);
                line = err.readLine();
            }
            failureDescr = buff.toString();
            logger.error(failureDescr);
        } else {
            String tmpDN = (String) context.getProperty(AuthZConstants.USERDN_RFC2253_LABEL);
            UserInfo userInfo = parseGlexecOutput(in);
            if (userInfo.uid == null) {
                logger.warn("Cannot retrieve user ID from glexec output for: " + tmpDN);
            } else {
                logger.debug("Mapped " + tmpDN + " into " + userInfo.uid);
                context.setProperty(AuthZConstants.LOCAL_USER_ID, userInfo.uid);
            }

            if (userInfo.gid == null) {
                logger.warn("Cannot retrieve group ID from glexec output for: " + tmpDN);
            } else {
                logger.debug("Gid for " + tmpDN + ": " + userInfo.gid);
                context.setProperty(AuthZConstants.LOCAL_GROUP_ID, userInfo.gid);
            }

            if (userInfo.groups.size() > 0) {
                String[] tmpgrp = new String[userInfo.groups.size()];
                userInfo.groups.toArray(tmpgrp);
                context.setProperty(AuthZConstants.LOCAL_GROUPS_LIST, tmpgrp);
            }
        }

    } catch (Throwable th) {
        if (logger.isDebugEnabled()) {
            logger.error(th.getMessage(), th);
        } else {
            logger.error(th.getMessage());
        }
        failureDescr = th.getMessage();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage());
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage());
            }
        }
        if (err != null) {
            try {
                err.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage());
            }
        }

        if (tmpFile != null && !tmpFile.delete()) {
            logger.error("Cannot delete file " + tmpFile.getAbsolutePath());
        }
    }

    if (failureDescr != null) {
        throw new AuthorizationException("Failed to get the local user id via glexec: " + failureDescr);
    }
}

---

From source file:org.glite.ce.commonj.authz.LocalUserPIP.java

License:Apache License

public void collectAttributes(Subject peerSubject, MessageContext context, QName operation)
        throws AuthorizationException {

    boolean missing = true;
    for (String tmps : opList) {
        missing = missing && (!tmps.equals(operation.getLocalPart()));
    }//from  w ww .  jav  a  2s  . c o  m
    if (missing) {
        logger.debug("Operation not enabled: " + operation.getLocalPart());
        return;
    }

    X509Certificate[] certList = (X509Certificate[]) context.getProperty(Constants.USER_CERTCHAIN_LABEL);
    if (certList == null) {
        logger.error("Cannot retrieve proxy certificate from context");
        throw new AuthorizationException("Cannot retrieve proxy certificate from context");
    }

    File tmpFile = null;
    BufferedWriter tmpFileWriter = null;
    try {
        tmpFile = File.createTempFile("userproxy", ".pem");
        tmpFileWriter = new BufferedWriter(new FileWriter(tmpFile));
        for (X509Certificate certItem : certList) {
            byte[] pemBytes = Base64.encode(certItem.getEncoded());
            tmpFileWriter.write("-----BEGIN CERTIFICATE-----");
            tmpFileWriter.newLine();
            for (int n = 0; n < pemBytes.length; n = n + 64) {
                if ((pemBytes.length - n) < 64) {
                    tmpFileWriter.write(new String(pemBytes, n, pemBytes.length - n));
                } else {
                    tmpFileWriter.write(new String(pemBytes, n, 64));
                }
                tmpFileWriter.newLine();
            }
            tmpFileWriter.write("-----END CERTIFICATE-----");
            tmpFileWriter.newLine();
            tmpFileWriter.flush();
        }
        logger.debug("Created temporary proxy " + tmpFile.getAbsolutePath());
    } catch (Throwable th) {
        logger.error("Cannot store proxy certificate", th);
        throw new AuthorizationException("Cannot store proxy certificate");
    } finally {
        if (tmpFileWriter != null) {
            try {
                tmpFileWriter.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage(), ioEx);
            }
        }
    }

    int retcod = 0;
    Process chmodProc = null;
    /*
     * TODO chmod as parameter
     */
    String chmodCmd = "chmod 0600 " + tmpFile.getAbsolutePath();
    try {
        chmodProc = Runtime.getRuntime().exec(chmodCmd);
        retcod = chmodProc.waitFor();
    } catch (InterruptedException e) {
        logger.warn("Interrupted call to " + chmodCmd);
        retcod = -1;
    } catch (Exception ex) {
        logger.error("Cannot set permissions to the store proxy certificate", ex);
        retcod = -1;
    } finally {
        if (chmodProc != null) {
            try {
                chmodProc.getInputStream().close();
            } catch (IOException e) {
                logger.error("Cannot close instream for " + chmodCmd);
            }
            try {
                chmodProc.getErrorStream().close();
            } catch (IOException e) {
                logger.error("Cannot close errstream for " + chmodCmd);
            }
            try {
                chmodProc.getOutputStream().close();
            } catch (IOException e) {
                logger.error("Cannot close outstream for " + chmodCmd);
            }
        }
    }

    if (retcod != 0)
        throw new AuthorizationException("Cannot set permissions to the store proxy certificate");

    String[] envp = new String[] { "GLEXEC_MODE=lcmaps_get_account",
            "GLEXEC_CLIENT_CERT=" + tmpFile.getAbsolutePath() };
    String[] cmdLine = new String[] { glexecPath, probeCmd };

    BufferedReader in = null;
    BufferedOutputStream out = null;
    BufferedReader err = null;
    boolean needFault = false;
    try {
        Process proc = Runtime.getRuntime().exec(cmdLine, envp);
        in = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        out = new BufferedOutputStream(proc.getOutputStream());
        err = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

        proc.waitFor();
        if (proc.exitValue() != 0) {
            StringBuffer buff = new StringBuffer("glexec error: ");
            String line = err.readLine();
            while (line != null) {
                buff.append(line);
                line = err.readLine();
            }
            logger.error(buff.toString());
            needFault = true;
        } else {
            String tmpDN = (String) context.getProperty(Constants.USERDN_RFC2253_LABEL);
            UserInfo userInfo = parseGlexecOutput(in);
            if (userInfo.uid == null) {
                logger.warn("Cannot retrieve user ID from glexec output for: " + tmpDN);
            } else {
                logger.debug("Mapped " + tmpDN + " into " + userInfo.uid);
                context.setProperty(Constants.LOCAL_USER_ID, userInfo.uid);
            }

            if (userInfo.gid == null) {
                logger.warn("Cannot retrieve group ID from glexec output for: " + tmpDN);
            } else {
                logger.debug("Gid for " + tmpDN + ": " + userInfo.gid);
                context.setProperty(Constants.LOCAL_GROUP_ID, userInfo.gid);
            }

            if (userInfo.groups.size() > 0) {
                String[] tmpgrp = new String[userInfo.groups.size()];
                userInfo.groups.toArray(tmpgrp);
                context.setProperty(Constants.LOCAL_GROUPS_LIST, tmpgrp);
            }
        }

    } catch (Throwable th) {
        logger.error(th.getMessage(), th);
        needFault = true;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage(), ioEx);
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage(), ioEx);
            }
        }
        if (err != null) {
            try {
                err.close();
            } catch (IOException ioEx) {
                logger.error(ioEx.getMessage(), ioEx);
            }
        }

        if (tmpFile != null && !tmpFile.delete()) {
            logger.error("Cannot delete file " + tmpFile.getAbsolutePath());
        }
    }

    if (needFault) {
        throw new AuthorizationException("System error reading local user information");
    }
}

---

From source file:org.glite.ce.commonj.utils.CEUtils.java

License:Apache License

public static String getPEM(X509Certificate[] certChain) throws CertificateEncodingException {
    if (certChain == null)
        return "";

    StringBuffer result = new StringBuffer();

    for (int k = 0; k < certChain.length; k++) {
        byte[] pemBytes = Base64.encode(certChain[k].getEncoded());

        result.append("-----BEGIN CERTIFICATE-----\n");
        for (int n = 0; n < pemBytes.length; n = n + 64) {

            if ((pemBytes.length - n) < 64) {
                result.append(new String(pemBytes, n, pemBytes.length - n));
            } else {
                result.append(new String(pemBytes, n, 64));
            }//from w  w  w  .  ja  v a2  s. c o m

            result.append("\n");
        }

        result.append("-----END CERTIFICATE-----\n");
    }

    return result.toString();
}

---

From source file:org.glite.security.delegation.GrDPX509Util.java

License:Apache License

/**
 * Generate a PEM encoded string of certificate from a header and a footer
 * @param bytes input stream//from www.ja va2 s  .co  m
 * @param hdr Header delimeter of certificate
 * @param ftr footer delimeter of certificate
 * @return encoded byte in pem
 * @throws IOException
* @deprecated Use org.bouncycastle.openssl.PEMWriter
 */
public static String writePEM(byte[] bytes, String hdr, String ftr) {

    StringBuffer buff = new StringBuffer();
    byte[] pemBytes = Base64.encode(bytes);
    buff.append(hdr);

    int n = 0;

    while (n < pemBytes.length) {
        if ((pemBytes.length - n) < 64) {
            buff.append(new String(pemBytes, n, pemBytes.length - n));
        } else {
            buff.append(new String(pemBytes, n, 64));
        }

        buff.append("\n");
        n = n + 64;
    }

    buff.append(ftr);

    return buff.toString();
}

---

From source file:org.glite.security.util.PrivateKeyReader.java

License:Apache License

/**
 * Return a PEM formatted PKCS1v2 representation of the key. The sequence
 * returned represents a full PrivateKeyInfo object. Had to re-implement as
 * the other PEM encoders produce wrong version of the key.
 * /*from w w w.j  a v a2s  .co m*/
 * @param inKey the key to encode.
 * @return a PEM format PKCS1v2 representation of the key.
 */
public static String getPEM(final PrivateKey inKey) {
    byte[] bytes = getEncoded(inKey);
    StringBuffer buffer = new StringBuffer();
    if (inKey instanceof RSAPrivateKey) {

        buffer.append("-----BEGIN RSA PRIVATE KEY-----\n");
        String keyPEM = new String(Base64.encode(bytes));

        // split the PEM data into LINE_LEN long lines.
        for (int i = 0; i < keyPEM.length(); i += LINE_LEN) {
            if (keyPEM.length() < i + LINE_LEN) {
                buffer.append(keyPEM.substring(i, keyPEM.length()));

            } else {
                buffer.append(keyPEM.substring(i, i + LINE_LEN));
            }
            buffer.append("\n");
        }
        buffer.append("-----END RSA PRIVATE KEY-----\n");
        return buffer.toString();
    }
    throw new IllegalArgumentException(
            "Trying to get PEM format string of non-RSA private key, while only RSA is supported. Class was: "
                    + inKey.getClass().getName());
}

---

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