org.bouncycastle.util.encoders

Class Base64

java.lang.Object

org.bouncycastle.util.encoders.Base64

public class Base64
extends Object

Utility class for converting Base64 data to bytes and back again.

Constructor Summary

Constructors

Constructor and Description
Base64()

Method Summary

Modifier and Type	Method and Description
static byte[]	decode(byte[] data) decode the base 64 encoded input data.
static int	decode(byte[] base64Data, int start, int length, OutputStream out) Decode to an output stream;
static byte[]	decode(String data) decode the base 64 encoded String data - whitespace will be ignored.
static int	decode(String data, OutputStream out) decode the base 64 encoded String data writing it to the given output stream, whitespace characters will be ignored.
static byte[]	encode(byte[] data) encode the input data producing a base 64 encoded byte array.
static byte[]	encode(byte[] data, int off, int length) encode the input data producing a base 64 encoded byte array.
static int	encode(byte[] data, int off, int length, OutputStream out) Encode the byte data to base 64 writing it to the given output stream.
static int	encode(byte[] data, OutputStream out) Encode the byte data to base 64 writing it to the given output stream.
static String	toBase64String(byte[] data)
static String	toBase64String(byte[] data, int off, int length)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Base64

public Base64()

Method Detail

toBase64String

public static String toBase64String(byte[] data)

toBase64String

public static String toBase64String(byte[] data,
                                    int off,
                                    int length)

encode

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

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

Returns:

a byte array containing the base 64 encoded data.

encode

public static byte[] encode(byte[] data,
                            int off,
                            int length)

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

Returns:

a byte array containing the base 64 encoded data.

encode

public static int encode(byte[] data,
                         OutputStream out)
                  throws IOException

Encode the byte data to base 64 writing it to the given output stream.

Returns:

the number of bytes produced.

Throws:

IOException

encode

public static int encode(byte[] data,
                         int off,
                         int length,
                         OutputStream out)
                  throws IOException

Encode the byte data to base 64 writing it to the given output stream.

Returns:

the number of bytes produced.

Throws:

IOException

decode

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

decode the base 64 encoded input data. It is assumed the input data is valid.

Returns:

a byte array representing the decoded data.

decode

public static byte[] decode(String data)

decode the base 64 encoded String data - whitespace will be ignored.

Returns:

a byte array representing the decoded data.

decode

public static int decode(String data,
                         OutputStream out)
                  throws IOException

decode the base 64 encoded String data writing it to the given output stream, whitespace characters will be ignored.

Returns:

the number of bytes produced.

Throws:

IOException

decode

public static int decode(byte[] base64Data,
                         int start,
                         int length,
                         OutputStream out)

Decode to an output stream;

Parameters:

base64Data - The source data.

start - Start position.

length - the length.

out - The output stream to write to.