Example usage for org.bouncycastle.util.encoders HexEncoder HexEncoder

Introduction

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

Prototype

public HexEncoder() 

Source Link

Usage

From source file:com.nokia.xfolite.xforms.xpath.XFormsCoreFunctionLibrary.java

License:Open Source License

public static String digest_function(String s, String method, String encoding) {
    //#debug info
    System.out.println("Digest function invoked with params(" + s + "," + method + "," + encoding + ")");
    Digest digest = null;/*  w  w w .j  a v  a 2  s . c  o  m*/
    Encoder encoder = null;
    if (encoding.equals("base64")) {
        encoder = new Base64Encoder();
    } else if (encoding.equals("hex")) {
        encoder = new HexEncoder();
    }
    if (method.equals("SHA-1")) {
        digest = new SHA1Digest();
    } else if (method.equals("SHA-256")) {
        digest = new SHA256Digest();
    } else if (method.equals("SHA-512")) {
        digest = new SHA512Digest();
    } else if (method.equals("MD5")) {
        digest = new MD5Digest();
    }

    if (encoder == null) {
        throw new XPathException(XPathException.TYPE_ERR,
                "XForms function digest() only supports hex and base64 encoding.");
    }
    if (digest == null) {
        throw new XPathException(XPathException.TYPE_ERR,
                "XForms function digest() only supports MD5, SHA-1, SHA-256 and SHA-512 digests.");
    }

    int len = s.length();
    for (int i = 0; i < len; i++) {
        digest.update((byte) s.charAt(i)); // FIXME: Better not use non-ASCII characters!
    }

    byte[] data = new byte[digest.getDigestSize()];
    digest.doFinal(data, 0);

    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    try {
        encoder.encode(data, 0, data.length, bOut);
    } catch (IOException e) {
        throw new XPathException(XPathException.TYPE_ERR, "Exception when encoding digest: " + e);
    }

    byte[] out = bOut.toByteArray();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < out.length; i++) {
        sb.append((char) out[i]); // This works fine, neither hex nor base64 encodings produce 
    }
    return sb.toString();
}

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From source file:net.ripe.rpki.commons.crypto.util.KeyPairUtil.java

License:BSD License

static String hexEncodeHashData(byte[] keyHashData) {
    HexEncoder hexEncoder = new HexEncoder();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {//  w  ww  . j a v a 2  s  .c o m
        hexEncoder.encode(keyHashData, 0, keyHashData.length, out);
        out.flush();
        return out.toString();
    } catch (IOException e) {
        throw new IllegalArgumentException("Exception hex encoding data", e);
    }
}

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From source file:org.xwiki.crypto.internal.encoder.HexBinaryStringEncoder.java

License:Open Source License

@Override
InternalBinaryStringEncoder getEncoder() {
    return new AbstractBouncyCastleInternalBinaryStringEncoder(new HexEncoder(), BLOCK_SIZE, CHAR_SIZE) {
        @Override//from   w w w  .  ja  v a2 s.c o m
        public boolean isValidEncoding(byte b) {
            return ((b >= 0x2f && b <= 0x39) || (b >= 0x41 && b <= 0x46) || (b >= 0x61 && b <= 0x66));
        }
    };
}

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