Example usage for org.apache.commons.codec.binary Base32 Base32

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Base32 Base32.

Prototype

public Base32() 

Source Link

Usage

From source file:org.callimachusproject.xproc.DeserializeCascadingStyleSheetStep.java

private String decodeText(XdmNode doc) throws UnsupportedEncodingException, DecoderException {
    String text = extractText(doc);
    if ("base64".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }//w  ww.jav a  2  s.c  o  m
        byte[] decoded = Base64.decodeBase64(text);
        return new String(decoded, charset);
    } else if ("base32".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }
        byte[] decoded = new Base32().decode(text);
        return new String(decoded, charset);
    } else if ("hex".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }
        byte[] decoded = Hex.decodeHex(text.toCharArray());
        return new String(decoded, charset);
    } else if ("binary".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }
        byte[] decoded = BinaryCodec.fromAscii(text.toCharArray());
        return new String(decoded, charset);
    } else if ("quoted-printable".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }
        return new QuotedPrintableCodec(charset).decode(text);
    } else if ("www-form-urlencoded".equals(encoding)) {
        if (charset == null) {
            throw XProcException.stepError(10);
        }
        return new URLCodec(charset).decode(text);
    } else if (encoding != null && encoding.length() != 0) {
        throw new XProcException(step.getNode(), "Unexpected encoding: " + encoding);
    } else {
        return text;
    }
}

---

From source file:org.exfio.weave.account.exfiopeer.ExfioPeerV1.java

private String generateAuthCode(int chars) {
    SecureRandom rnd = new SecureRandom();
    Base32 b32codec = new Base32();
    int bytes = (int) Math.ceil((double) chars * 5 / 8);
    String authCode = b32codec.encodeToString(rnd.generateSeed(bytes));

    // Convert to uppercase, translate L and O to 8 and 9
    authCode = authCode.toUpperCase().replace('L', '8').replace('O', '9').replaceAll("=", "");

    //Return the specified number of chars only
    return authCode.substring(0, chars - 1);
}

---

From source file:org.grycap.gpf4med.util.NamingUtils.java

/**
 * Joins the tokens and dates provided as parameters, computes a digest and returns a Base32 
 * representation of the string produced that can be used to identify a cache element. The 
 * generated key will only contain the characters A-Z and 2-7.
 * @see <a href="http://www.ietf.org/rfc/rfc4648.txt">RFC4648</a>
 * @param tokens The list of input tokens that have to be used to compute the key.
 * @param dates The list of input dates that have to be used to compute the key.
 * @param extension Optional file-name extension.
 * @return A Base32 representation of the computed file-name.
 * @throws IOException is thrown if the computation of the file-name fails.
 *//*www . jav  a  2  s .  c om*/
public static String genSafeFilename(final @Nullable String[] tokens, final @Nullable Date[] dates,
        final @Nullable String extension) throws IOException {
    try {
        final byte[] digest = digest(tokens, dates);
        // encode with Base32
        return new Base32().encodeAsString(digest)
                + (StringUtils.isNotBlank(extension) ? extension.trim() : "");
    } catch (Exception e) {
        throw new IOException("Filename generation has failed", e);
    }
}

---

From source file:org.gtri.totp.java

/** Gen Shared Secret
  *  - TOTP relies on a 10 byte shared secret encoded as a 16 character base32 string
  *///from  www  . j  a  v  a2s .  c  om
public String genSharedSecret() {
    byte[] bBuffer = new byte[10];
    new SecureRandom().nextBytes(bBuffer);
    log.debug("Generating Base32 TOTP Shared Secret");
    return new String(new Base32().encode(bBuffer));
}

---

From source file:org.gtri.totp.java

/** getCode
  *   Calculates the code for the provided time and shared secret.
  *///  w  w  w  . j a  v a  2 s. co m
public int getCode(String sharedSecret, long time) throws NoSuchAlgorithmException, InvalidKeyException {
    byte[] secret = new Base32().decode(sharedSecret);
    SecretKeySpec signKey = new SecretKeySpec(secret, "HmacSHA1");
    ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.putLong(time);
    byte[] timeBytes = buffer.array();
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(signKey);
    byte[] hash = mac.doFinal(timeBytes);
    int offset = hash[19] & 0xf;
    long truncatedHash = hash[offset] & 0x7f;
    for (int i = 1; i < 4; i++) {
        truncatedHash <<= 8;
        truncatedHash |= hash[offset + i] & 0xff;
    }
    return (int) (truncatedHash %= 1000000);
}

---

From source file:org.jahia.security.TOTP.java

public static boolean check_code(String secret, long code, long t)
        throws NoSuchAlgorithmException, InvalidKeyException {
    Base32 codec = new Base32();
    byte[] decodedKey = codec.decode(secret);

    // Window is used to check codes generated in the near past.
    // You can use this value to tune how far you're willing to go.
    int window = 3;
    for (int i = -window; i <= window; ++i) {
        long hash = verify_code(decodedKey, t + i);

        if (hash == code) {
            return true;
        }/* w w w  .jav  a2 s . c o  m*/
    }

    // The validation code is invalid.
    return false;
}

---

From source file:org.lib4j._2fa.GoogleAuthenticator.java

public static String getRandomSecretKey() {
    final byte[] bytes = new byte[20];
    new SecureRandom().nextBytes(bytes);
    return new Base32().encodeToString(bytes);
}

---

From source file:org.lib4j._2fa.GoogleAuthenticator.java

/**
 * @param secretKey Base32 encoded secret key (will be converted to
 *        upper-case, and may have optional whitespace which will be removed)
 * @return The TOTP code for the secret key.
 *///from ww w  .j  a va 2  s  . c o m
public static String getTOTPCode(final String secretKey) {
    final String normalizedBase32Key = secretKey.replace(" ", "").toUpperCase();
    final byte[] bytes = new Base32().decode(normalizedBase32Key);
    final long time = (System.currentTimeMillis() / 1000) / 30;
    final String hexTime = Long.toHexString(time);
    return TOTP.generateTOTP(Hex.encodeHexString(bytes), hexTime, "6");
}

---

From source file:org.mozilla.android.sync.crypto.Cryptographer.java

public static String sha1Base32(String utf8) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    return new Base32().encodeAsString(sha1(utf8)).toLowerCase();
}

---

From source file:org.mozilla.android.sync.crypto.Utils.java

/**
 * Decode a friendly base32 string.//from ww  w .ja  v a2 s .c om
 * see http://docs.services.mozilla.com/sync/storageformat5.html#the-sync-key
 *
 * @param base32 a friendly base32 string
 * @return the bytes of the encoded string
 */
public static byte[] decodeFriendlyBase32(String base32) {
    Base32 converter = new Base32();
    return converter.decode(base32.replace('8', 'l').replace('9', 'o').replaceAll("-", "").toUpperCase());
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• »