org.spongycastle.tls

Class TlsECCUtils

java.lang.Object

org.spongycastle.tls.TlsECCUtils

public class TlsECCUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Integer	EXT_ec_point_formats

Constructor Summary

Constructors

Constructor and Description
TlsECCUtils()

Method Summary

Modifier and Type	Method and Description
static void	addSupportedPointFormatsExtension(java.util.Hashtable extensions, short[] ecPointFormats)
static void	checkActualFormat(short[] localECPointFormats, short actualFormat)
static void	checkPointEncoding(short[] localECPointFormats, int namedGroup, byte[] encoding)
static boolean	containsECCipherSuites(int[] cipherSuites)
static byte[]	createSupportedPointFormatsExtension(short[] ecPointFormats)
static short	getActualFormat(int namedGroup, byte[] encoding)
static short	getCompressionFormat(int namedGroup)
static int	getMinimumCurveBits(int cipherSuite)
static short[]	getSupportedPointFormatsExtension(java.util.Hashtable extensions)
static boolean	isCompressionPreferred(short[] peerECPointFormats, int namedGroup)
static boolean	isCompressionPreferred(short[] peerECPointFormats, short compressionFormat)
static boolean	isECCipherSuite(int cipherSuite)
static TlsECConfig	readECConfig(short[] peerECPointFormats, java.io.InputStream input)
static short[]	readSupportedPointFormatsExtension(byte[] extensionData)
static TlsECConfig	receiveECConfig(TlsECConfigVerifier ecConfigVerifier, short[] peerECPointFormats, java.io.InputStream input)
static void	writeECConfig(TlsECConfig ecConfig, java.io.OutputStream output)
static void	writeNamedECParameters(int namedGroup, java.io.OutputStream output)

Methods inherited from class java.lang.Object

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

Field Detail

EXT_ec_point_formats

public static final java.lang.Integer EXT_ec_point_formats

Constructor Detail

TlsECCUtils

public TlsECCUtils()

Method Detail

addSupportedPointFormatsExtension

public static void addSupportedPointFormatsExtension(java.util.Hashtable extensions,
                                                     short[] ecPointFormats)
                                              throws java.io.IOException

Throws:

java.io.IOException

getSupportedPointFormatsExtension

public static short[] getSupportedPointFormatsExtension(java.util.Hashtable extensions)
                                                 throws java.io.IOException

Throws:

java.io.IOException

createSupportedPointFormatsExtension

public static byte[] createSupportedPointFormatsExtension(short[] ecPointFormats)
                                                   throws java.io.IOException

Throws:

java.io.IOException

readSupportedPointFormatsExtension

public static short[] readSupportedPointFormatsExtension(byte[] extensionData)
                                                  throws java.io.IOException

Throws:

java.io.IOException

containsECCipherSuites

public static boolean containsECCipherSuites(int[] cipherSuites)

getMinimumCurveBits

public static int getMinimumCurveBits(int cipherSuite)

isECCipherSuite

public static boolean isECCipherSuite(int cipherSuite)

getCompressionFormat

public static short getCompressionFormat(int namedGroup)
                                  throws java.io.IOException

Throws:

java.io.IOException

isCompressionPreferred

public static boolean isCompressionPreferred(short[] peerECPointFormats,
                                             int namedGroup)
                                      throws java.io.IOException

Throws:

java.io.IOException

isCompressionPreferred

public static boolean isCompressionPreferred(short[] peerECPointFormats,
                                             short compressionFormat)

checkPointEncoding

public static void checkPointEncoding(short[] localECPointFormats,
                                      int namedGroup,
                                      byte[] encoding)
                               throws java.io.IOException

Throws:

java.io.IOException

checkActualFormat

public static void checkActualFormat(short[] localECPointFormats,
                                     short actualFormat)
                              throws java.io.IOException

Throws:

java.io.IOException

getActualFormat

public static short getActualFormat(int namedGroup,
                                    byte[] encoding)
                             throws java.io.IOException

Throws:

java.io.IOException

readECConfig

public static TlsECConfig readECConfig(short[] peerECPointFormats,
                                       java.io.InputStream input)
                                throws java.io.IOException

Throws:

java.io.IOException

receiveECConfig

public static TlsECConfig receiveECConfig(TlsECConfigVerifier ecConfigVerifier,
                                          short[] peerECPointFormats,
                                          java.io.InputStream input)
                                   throws java.io.IOException

Throws:

java.io.IOException

writeECConfig

public static void writeECConfig(TlsECConfig ecConfig,
                                 java.io.OutputStream output)
                          throws java.io.IOException

Throws:

java.io.IOException

writeNamedECParameters

public static void writeNamedECParameters(int namedGroup,
                                          java.io.OutputStream output)
                                   throws java.io.IOException

Throws:

java.io.IOException