Package org.kapott.cryptalgs

Class PKCS1_PSS

java.lang.Object

java.security.SignatureSpi

org.kapott.cryptalgs.PKCS1_PSS

public class PKCS1_PSS
extends java.security.SignatureSpi

Field Summary

Fields inherited from class java.security.SignatureSpi

appRandom

Constructor Summary

Constructors

Constructor	Description
PKCS1_PSS()

Method Summary

Modifier and Type	Method	Description
static int	calculateEMBitLen(java.math.BigInteger modulus)
static byte[]	emsa_pss_encode(SignatureParamSpec spec, byte[] msg, int emBits)
static boolean	emsa_pss_verify(SignatureParamSpec spec, byte[] msg, byte[] EM, int emBits)
protected java.lang.Object	engineGetParameter(java.lang.String parameter)	Deprecated.
protected void	engineInitSign(java.security.PrivateKey privateKey)
protected void	engineInitVerify(java.security.PublicKey publicKey)
protected void	engineSetParameter(java.lang.String param1, java.lang.Object value)	Deprecated.
protected void	engineSetParameter(java.security.spec.AlgorithmParameterSpec param1)
protected byte[]	engineSign()
protected int	engineSign(byte[] output, int offset, int len)
protected void	engineUpdate(byte b)
protected void	engineUpdate(byte[] b, int offset, int length)
protected boolean	engineVerify(byte[] sig)
static java.security.MessageDigest	getMessageDigest(SignatureParamSpec spec)

Methods inherited from class java.lang.Object

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

Methods inherited from class java.security.SignatureSpi

clone, engineGetParameters, engineInitSign, engineUpdate, engineVerify

Constructor Detail

PKCS1_PSS

public PKCS1_PSS()

Method Detail

engineSetParameter

@Deprecated
protected void engineSetParameter(java.lang.String param1,
                                  java.lang.Object value)

Deprecated.

Specified by:

engineSetParameter in class java.security.SignatureSpi

engineSetParameter

protected void engineSetParameter(java.security.spec.AlgorithmParameterSpec param1)
                           throws java.security.InvalidAlgorithmParameterException

Overrides:

engineSetParameter in class java.security.SignatureSpi

Throws:

java.security.InvalidAlgorithmParameterException

engineGetParameter

@Deprecated
protected java.lang.Object engineGetParameter(java.lang.String parameter)

Deprecated.

Specified by:

engineGetParameter in class java.security.SignatureSpi

getMessageDigest

public static java.security.MessageDigest getMessageDigest(SignatureParamSpec spec)

engineInitSign

protected void engineInitSign(java.security.PrivateKey privateKey)

Specified by:

engineInitSign in class java.security.SignatureSpi

engineInitVerify

protected void engineInitVerify(java.security.PublicKey publicKey)

Specified by:

engineInitVerify in class java.security.SignatureSpi

engineUpdate

protected void engineUpdate(byte b)

Specified by:

engineUpdate in class java.security.SignatureSpi

engineUpdate

protected void engineUpdate(byte[] b,
                            int offset,
                            int length)

Specified by:

engineUpdate in class java.security.SignatureSpi

engineSign

protected int engineSign(byte[] output,
                         int offset,
                         int len)
                  throws java.security.SignatureException

Overrides:

engineSign in class java.security.SignatureSpi

Throws:

java.security.SignatureException

engineSign

protected byte[] engineSign()

Specified by:

engineSign in class java.security.SignatureSpi

engineVerify

protected boolean engineVerify(byte[] sig)

Specified by:

engineVerify in class java.security.SignatureSpi

emsa_pss_encode

public static byte[] emsa_pss_encode(SignatureParamSpec spec,
                                     byte[] msg,
                                     int emBits)

emsa_pss_verify

public static boolean emsa_pss_verify(SignatureParamSpec spec,
                                      byte[] msg,
                                      byte[] EM,
                                      int emBits)

calculateEMBitLen

public static int calculateEMBitLen(java.math.BigInteger modulus)