org.bouncycastle.openpgp

Class PGPUtil

java.lang.Object

org.bouncycastle.openpgp.PGPUtil

All Implemented Interfaces:

HashAlgorithmTags

public class PGPUtil
extends java.lang.Object
implements HashAlgorithmTags

Basic utility class

Field Summary

Fields inherited from interface org.bouncycastle.bcpg.HashAlgorithmTags

DOUBLE_SHA, HAVAL_5_160, MD2, MD5, RIPEMD160, SHA1, SHA224, SHA256, SHA384, SHA512, TIGER_192

Constructor Summary

Constructors

Constructor and Description
PGPUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.io.InputStream	getDecoderStream(java.io.InputStream in) Return either an ArmoredInputStream or a BCPGInputStream based on whether the initial characters of the stream are binary PGP encodings or not.
static java.lang.String	getDefaultProvider() Return the provider that will be used by factory classes in situations where a provider must be determined on the fly.
static byte[]	makeRandomKey(int algorithm, java.security.SecureRandom random)
static void	setDefaultProvider(java.lang.String provider) Set the provider to be used by the package when it is necessary to find one on the fly.
static void	writeFileToLiteralData(java.io.OutputStream out, char fileType, java.io.File file) write out the passed in file as a literal data packet.
static void	writeFileToLiteralData(java.io.OutputStream out, char fileType, java.io.File file, byte[] buffer) write out the passed in file as a literal data packet in partial packet format.

Methods inherited from class java.lang.Object

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

Constructor Detail

PGPUtil

public PGPUtil()

Method Detail

getDefaultProvider

public static java.lang.String getDefaultProvider()

Return the provider that will be used by factory classes in situations where a provider must be determined on the fly.

Returns:

String

setDefaultProvider

public static void setDefaultProvider(java.lang.String provider)

Set the provider to be used by the package when it is necessary to find one on the fly.

Parameters:

provider -

makeRandomKey

public static byte[] makeRandomKey(int algorithm,
                   java.security.SecureRandom random)
                            throws PGPException

Throws:

PGPException

writeFileToLiteralData

public static void writeFileToLiteralData(java.io.OutputStream out,
                          char fileType,
                          java.io.File file)
                                   throws java.io.IOException

write out the passed in file as a literal data packet.

Parameters:

out -

fileType - the LiteralData type for the file.

file -

Throws:

java.io.IOException

writeFileToLiteralData

public static void writeFileToLiteralData(java.io.OutputStream out,
                          char fileType,
                          java.io.File file,
                          byte[] buffer)
                                   throws java.io.IOException

write out the passed in file as a literal data packet in partial packet format.

Parameters:

out -

fileType - the LiteralData type for the file.

file -

buffer - buffer to be used to chunk the file into partial packets.

Throws:

java.io.IOException

getDecoderStream

public static java.io.InputStream getDecoderStream(java.io.InputStream in)
                                            throws java.io.IOException

Return either an ArmoredInputStream or a BCPGInputStream based on whether the initial characters of the stream are binary PGP encodings or not.

Parameters:

in - the stream to be wrapped

Returns:

a BCPGInputStream

Throws:

java.io.IOException