Field Detail

• EXT_elliptic_curves

  public static final java.lang.Integer EXT_elliptic_curves

• EXT_ec_point_formats

  public static final java.lang.Integer EXT_ec_point_formats

Constructor Detail

• TlsECCUtils

  public TlsECCUtils()

Method Detail

• addSupportedEllipticCurvesExtension

  public static void addSupportedEllipticCurvesExtension​(java.util.Hashtable extensions,
                                                         int[] namedCurves)
                                                  throws java.io.IOException

  Throws:

  java.io.IOException

• addSupportedPointFormatsExtension

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

  Throws:

  java.io.IOException

• getSupportedEllipticCurvesExtension

  public static int[] getSupportedEllipticCurvesExtension​(java.util.Hashtable extensions)
                                                   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

• createSupportedEllipticCurvesExtension

  public static byte[] createSupportedEllipticCurvesExtension​(int[] namedCurves)
                                                       throws java.io.IOException

  Throws:

  java.io.IOException

• createSupportedPointFormatsExtension

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

  Throws:

  java.io.IOException

• readSupportedEllipticCurvesExtension

  public static int[] readSupportedEllipticCurvesExtension​(byte[] extensionData)
                                                    throws java.io.IOException

  Throws:

  java.io.IOException

• readSupportedPointFormatsExtension

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

  Throws:

  java.io.IOException

• getNameOfNamedCurve

  public static java.lang.String getNameOfNamedCurve​(int namedCurve)

• getParametersForNamedCurve

  public static ECDomainParameters getParametersForNamedCurve​(int namedCurve)

• hasAnySupportedNamedCurves

  public static boolean hasAnySupportedNamedCurves()

• containsECCCipherSuites

  public static boolean containsECCCipherSuites​(int[] cipherSuites)

• isECCCipherSuite

  public static boolean isECCCipherSuite​(int cipherSuite)

• areOnSameCurve

  public static boolean areOnSameCurve​(ECDomainParameters a,
                                       ECDomainParameters b)

• isSupportedNamedCurve

  public static boolean isSupportedNamedCurve​(int namedCurve)

• isCompressionPreferred

  public static boolean isCompressionPreferred​(short[] ecPointFormats,
                                               short compressionFormat)

• serializeECFieldElement

  public static byte[] serializeECFieldElement​(int fieldSize,
                                               java.math.BigInteger x)
                                        throws java.io.IOException

  Throws:

  java.io.IOException

• serializeECPoint

  public static byte[] serializeECPoint​(short[] ecPointFormats,
                                        ECPoint point)
                                 throws java.io.IOException

  Throws:

  java.io.IOException

• serializeECPublicKey

  public static byte[] serializeECPublicKey​(short[] ecPointFormats,
                                            ECPublicKeyParameters keyParameters)
                                     throws java.io.IOException

  Throws:

  java.io.IOException

• deserializeECFieldElement

  public static java.math.BigInteger deserializeECFieldElement​(int fieldSize,
                                                               byte[] encoding)
                                                        throws java.io.IOException

  Throws:

  java.io.IOException

• deserializeECPoint

  public static ECPoint deserializeECPoint​(short[] ecPointFormats,
                                           ECCurve curve,
                                           byte[] encoding)
                                    throws java.io.IOException

  Throws:

  java.io.IOException

• deserializeECPublicKey

  public static ECPublicKeyParameters deserializeECPublicKey​(short[] ecPointFormats,
                                                             ECDomainParameters curve_params,
                                                             byte[] encoding)
                                                      throws java.io.IOException

  Throws:

  java.io.IOException

• calculateECDHBasicAgreement

  public static byte[] calculateECDHBasicAgreement​(ECPublicKeyParameters publicKey,
                                                   ECPrivateKeyParameters privateKey)

• generateECKeyPair

  public static AsymmetricCipherKeyPair generateECKeyPair​(java.security.SecureRandom random,
                                                          ECDomainParameters ecParams)

• generateEphemeralClientKeyExchange

  public static ECPrivateKeyParameters generateEphemeralClientKeyExchange​(java.security.SecureRandom random,
                                                                          short[] ecPointFormats,
                                                                          ECDomainParameters ecParams,
                                                                          java.io.OutputStream output)
                                                                   throws java.io.IOException

  Throws:

  java.io.IOException

• validateECPublicKey

  public static ECPublicKeyParameters validateECPublicKey​(ECPublicKeyParameters key)
                                                   throws java.io.IOException

  Throws:

  java.io.IOException

• readECExponent

  public static int readECExponent​(int fieldSize,
                                   java.io.InputStream input)
                            throws java.io.IOException

  Throws:

  java.io.IOException

• readECFieldElement

  public static java.math.BigInteger readECFieldElement​(int fieldSize,
                                                        java.io.InputStream input)
                                                 throws java.io.IOException

  Throws:

  java.io.IOException

• readECParameter

  public static java.math.BigInteger readECParameter​(java.io.InputStream input)
                                              throws java.io.IOException

  Throws:

  java.io.IOException

• readECParameters

  public static ECDomainParameters readECParameters​(int[] namedCurves,
                                                    short[] ecPointFormats,
                                                    java.io.InputStream input)
                                             throws java.io.IOException

  Throws:

  java.io.IOException

• writeECExponent

  public static void writeECExponent​(int k,
                                     java.io.OutputStream output)
                              throws java.io.IOException

  Throws:

  java.io.IOException

• writeECFieldElement

  public static void writeECFieldElement​(ECFieldElement x,
                                         java.io.OutputStream output)
                                  throws java.io.IOException

  Throws:

  java.io.IOException

• writeECFieldElement

  public static void writeECFieldElement​(int fieldSize,
                                         java.math.BigInteger x,
                                         java.io.OutputStream output)
                                  throws java.io.IOException

  Throws:

  java.io.IOException

• writeECParameter

  public static void writeECParameter​(java.math.BigInteger x,
                                      java.io.OutputStream output)
                               throws java.io.IOException

  Throws:

  java.io.IOException

• writeExplicitECParameters

  public static void writeExplicitECParameters​(short[] ecPointFormats,
                                               ECDomainParameters ecParameters,
                                               java.io.OutputStream output)
                                        throws java.io.IOException

  Throws:

  java.io.IOException

• writeECPoint

  public static void writeECPoint​(short[] ecPointFormats,
                                  ECPoint point,
                                  java.io.OutputStream output)
                           throws java.io.IOException

  Throws:

  java.io.IOException

• writeNamedECParameters

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

  Throws:

  java.io.IOException