com.tencent.kona.crypto.provider

Class SM4Parameters

java.lang.Object

java.security.AlgorithmParametersSpi

com.tencent.kona.crypto.provider.SM4Parameters

public final class SM4Parameters
extends java.security.AlgorithmParametersSpi

This class implements the parameter set for - Feedback mode (RFC 5652) IV ::= OCTET STRING -- length is SM4 block size, exactly 16-bytes - GCM mode (RFC 5084) GCMParameters ::= SEQUENCE { sm4-iv OCTET STRING, -- the size is 12 or 16-bytes sm4-tLen SM4-GCM-ICVlen DEFAULT 12 } SM4-GCM-ICVlen ::= INTEGER (16)

Constructor Summary

Constructors

Constructor and Description
SM4Parameters()

Method Summary

Modifier and Type	Method and Description
protected byte[]	engineGetEncoded()
protected byte[]	engineGetEncoded(java.lang.String encodingMethod)
protected <T extends java.security.spec.AlgorithmParameterSpec> T	engineGetParameterSpec(java.lang.Class<T> paramSpec)
protected void	engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
protected void	engineInit(byte[] encoded)
protected void	engineInit(byte[] encoded, java.lang.String decodingMethod)
protected java.lang.String	engineToString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SM4Parameters

public SM4Parameters()

Method Detail

engineInit

protected void engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
                   throws java.security.spec.InvalidParameterSpecException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

engineInit

protected void engineInit(byte[] encoded)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineInit

protected void engineInit(byte[] encoded,
                          java.lang.String decodingMethod)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineGetParameterSpec

protected <T extends java.security.spec.AlgorithmParameterSpec> T engineGetParameterSpec(java.lang.Class<T> paramSpec)
                                                                                  throws java.security.spec.InvalidParameterSpecException

Specified by:

engineGetParameterSpec in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

engineGetEncoded

protected byte[] engineGetEncoded()
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineGetEncoded

protected byte[] engineGetEncoded(java.lang.String encodingMethod)
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineToString

protected java.lang.String engineToString()

Specified by:

engineToString in class java.security.AlgorithmParametersSpi