Example usage for com.google.common.io ByteArrayDataOutput write

Introduction

In this page you can find the example usage for com.google.common.io ByteArrayDataOutput write.

Prototype

@Override
    void write(byte b[]);

Source Link

Usage

From source file:com.yubico.u2f.data.messages.key.CodecTestUtils.java

public static byte[] encodeAuthenticateResponse(RawAuthenticateResponse rawAuthenticateResponse) {
    ByteArrayDataOutput encoded = ByteStreams.newDataOutput();
    encoded.write(rawAuthenticateResponse.getUserPresence());
    encoded.writeInt((int) rawAuthenticateResponse.getCounter());
    encoded.write(rawAuthenticateResponse.getSignature());
    return encoded.toByteArray();
}

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From source file:com.yubico.u2f.data.messages.key.CodecTestUtils.java

public static byte[] encodeRegisterResponse(RawRegisterResponse rawRegisterResponse)
        throws U2fBadInputException {
    byte[] keyHandle = rawRegisterResponse.keyHandle;
    if (keyHandle.length > 255) {
        throw new U2fBadInputException("keyHandle length cannot be longer than 255 bytes!");
    }/*from  w  w  w.  jav a2  s  .co  m*/

    try {
        ByteArrayDataOutput encoded = ByteStreams.newDataOutput();
        encoded.write(RawRegisterResponse.REGISTRATION_RESERVED_BYTE_VALUE);
        encoded.write(rawRegisterResponse.userPublicKey);
        encoded.write((byte) keyHandle.length);
        encoded.write(keyHandle);
        encoded.write(rawRegisterResponse.attestationCertificate.getEncoded());
        encoded.write(rawRegisterResponse.signature);
        return encoded.toByteArray();
    } catch (CertificateEncodingException e) {
        throw new U2fBadInputException("Error when encoding attestation certificate.", e);
    }
}

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From source file:org.jclouds.crypto.SshKeys.java

public static void encodeUint32(int value, ByteArrayDataOutput out) {
    out.write((byte) ((value >>> 24) & 0xff));
    out.write((byte) ((value >>> 16) & 0xff));
    out.write((byte) ((value >>> 8) & 0xff));
    out.write((byte) (value & 0xff));
}

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From source file:u2f.data.messages.key.RawAuthenticateResponse.java

public static byte[] packBytesToSign(byte[] appIdHash, byte userPresence, long counter, byte[] challengeHash) {
    ByteArrayDataOutput encoded = ByteStreams.newDataOutput();
    encoded.write(appIdHash);
    encoded.write(userPresence);//from   w w w.  ja  v a 2  s .c  om
    encoded.writeInt((int) counter);
    encoded.write(challengeHash);
    return encoded.toByteArray();
}

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From source file:u2f.data.messages.key.RawRegisterResponse.java

public static byte[] packBytesToSign(byte[] appIdHash, byte[] clientDataHash, byte[] keyHandle,
        byte[] userPublicKey) {
    ByteArrayDataOutput encoded = ByteStreams.newDataOutput();
    encoded.write(REGISTRATION_SIGNED_RESERVED_BYTE_VALUE);
    encoded.write(appIdHash);/* w ww. j  av a2s  .  c  o m*/
    encoded.write(clientDataHash);
    encoded.write(keyHandle);
    encoded.write(userPublicKey);
    return encoded.toByteArray();
}

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From source file:org.jclouds.crypto.SshKeys.java

public static String encodeAsOpenSSH(RSAPublicKey key) {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    /* encode the "ssh-rsa" string */
    out.write(sshrsa);
    /* Encode the public exponent */
    BigInteger e = key.getPublicExponent();
    byte[] data = e.toByteArray();
    encodeUint32(data.length, out);//from w ww  . j a v a 2s .c  o  m
    out.write(data);
    /* Encode the modulus */
    BigInteger m = key.getModulus();
    data = m.toByteArray();
    encodeUint32(data.length, out);
    out.write(data);
    return "ssh-rsa " + CryptoStreams.base64(out.toByteArray());
}

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From source file:io.opencensus.implcore.tags.propagation.SerializationUtils.java

private static final void encodeTag(Tag tag, ByteArrayDataOutput byteArrayDataOutput) {
    byteArrayDataOutput.write(TAG_FIELD_ID);
    encodeString(tag.getKey().getName(), byteArrayDataOutput);
    encodeString(tag.getValue().asString(), byteArrayDataOutput);
}

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From source file:com.google.devrel.gmscore.tools.apk.arsc.ResourceString.java

private static void encodeLength(ByteArrayDataOutput output, int length, Type type) {
    if (length < 0) {
        output.write(0);
        return;// w ww . j a va 2s  . co m
    }
    if (type == Type.UTF8) {
        if (length > 0x7F) {
            output.write(((length & 0x7F00) >> 8) | 0x80);
        }
        output.write(length & 0xFF);
    } else { // UTF-16
        // TODO(acornwall): Replace output with a little-endian output.
        if (length > 0x7FFF) {
            int highBytes = ((length & 0x7FFF0000) >> 16) | 0x8000;
            output.write(highBytes & 0xFF);
            output.write((highBytes & 0xFF00) >> 8);
        }
        int lowBytes = length & 0xFFFF;
        output.write(lowBytes & 0xFF);
        output.write((lowBytes & 0xFF00) >> 8);
    }
}

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From source file:io.opencensus.implcore.tags.propagation.SerializationUtils.java

static byte[] serializeBinary(TagContext tags) throws TagContextSerializationException {
    // Use a ByteArrayDataOutput to avoid needing to handle IOExceptions.
    final ByteArrayDataOutput byteArrayDataOutput = ByteStreams.newDataOutput();
    byteArrayDataOutput.write(VERSION_ID);
    int totalChars = 0; // Here chars are equivalent to bytes, since we're using ascii chars.
    for (Iterator<Tag> i = InternalUtils.getTags(tags); i.hasNext();) {
        Tag tag = i.next();/*from w w w  .  j a  va 2  s.c o  m*/
        if (TagTtl.NO_PROPAGATION.equals(tag.getTagMetadata().getTagTtl())) {
            continue;
        }
        totalChars += tag.getKey().getName().length();
        totalChars += tag.getValue().asString().length();
        encodeTag(tag, byteArrayDataOutput);
    }
    if (totalChars > TAGCONTEXT_SERIALIZED_SIZE_LIMIT) {
        throw new TagContextSerializationException(
                "Size of TagContext exceeds the maximum serialized size " + TAGCONTEXT_SERIALIZED_SIZE_LIMIT);
    }
    return byteArrayDataOutput.toByteArray();
}

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From source file:io.opencensus.implcore.tags.propagation.SerializationUtils.java

private static final void encodeString(String input, ByteArrayDataOutput byteArrayDataOutput) {
    putVarInt(input.length(), byteArrayDataOutput);
    byteArrayDataOutput.write(input.getBytes(Charsets.UTF_8));
}

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