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sun.security.rsa

public Class RSAUtil

Class Inheritance

extends Object

java.lang.Object
sun.security.rsa.RSAUtil

Imports

java.io.IOException, java.security.*, java.security.spec.*, sun.security.util.DerInputStream, .DerOutputStream, .DerValue, .ObjectIdentifier, sun.security.x509.AlgorithmId

Utility class for SunRsaSign provider. Currently used by RSAKeyPairGenerator and RSAKeyFactory.

Since: 11

Nested and Inner Type Summary

Modifier and Type	Class and Description
public static enum	RSAUtil.KeyType

Constructor Summary

Access	Constructor and Description
public	RSAUtil()

Method Summary

Modifier and Type	Method and Description
public static AlgorithmParameterSpec	checkParamsAgainstType(RSAUtil.KeyType type, AlgorithmParameterSpec paramSpec)
public static AlgorithmId	createAlgorithmId(RSAUtil.KeyType type, AlgorithmParameterSpec paramSpec)
public static byte[]	encodeSignature(ObjectIdentifier oid, byte[] digest) Encode the digest, return the to-be-signed data.
pack-priv static byte[]	encodeSignatureWithoutNULL(ObjectIdentifier oid, byte[] digest) Encode the digest without the NULL params, return the to-be-signed data.
public static AlgorithmParameters	getParams(RSAUtil.KeyType type, AlgorithmParameterSpec spec)
public static AlgorithmParameterSpec	getParamSpec(AlgorithmParameters params)
public static Object[]	getTypeAndParamSpec(AlgorithmId algid)
private static void	requireNonNull(Object obj, String msg)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

RSAUtil	back to summary
public RSAUtil()

Method Detail

checkParamsAgainstType	back to summary
public static AlgorithmParameterSpec checkParamsAgainstType(RSAUtil.KeyType type, AlgorithmParameterSpec paramSpec) throws ProviderException

createAlgorithmId	back to summary
public static AlgorithmId createAlgorithmId(RSAUtil.KeyType type, AlgorithmParameterSpec paramSpec) throws ProviderException

encodeSignature	back to summary
public static byte[] encodeSignature(ObjectIdentifier oid, byte[] digest) Encode the digest, return the to-be-signed data. Also used by the PKCS#11 provider.

encodeSignatureWithoutNULL	back to summary
pack-priv static byte[] encodeSignatureWithoutNULL(ObjectIdentifier oid, byte[] digest) Encode the digest without the NULL params, return the to-be-signed data. This is only used by SunRsaSign.

getParams	back to summary
public static AlgorithmParameters getParams(RSAUtil.KeyType type, AlgorithmParameterSpec spec) throws ProviderException

getParamSpec	back to summary
public static AlgorithmParameterSpec getParamSpec(AlgorithmParameters params) throws ProviderException

getTypeAndParamSpec	back to summary
public static Object[] getTypeAndParamSpec(AlgorithmId algid) throws ProviderException

requireNonNull	back to summary
private static void requireNonNull(Object obj, String msg)

sun.security.rsa back to summary

public final Enum RSAUtil.KeyType

Class Inheritance

extends Enum<RSAUtil.KeyType>

java.lang.Object
java.lang.Enum
sun.security.rsa.RSAUtil.KeyType

Field Summary

Modifier and Type	Field and Description
pack-priv final String	keyAlgo
pack-priv final ObjectIdentifier	oid
pack-priv final Class<? extends AlgorithmParameterSpec>	paramSpecCls
public static final RSAUtil.KeyType	PSS
public static final RSAUtil.KeyType	RSA

Constructor Summary

Access	Constructor and Description
private	KeyType(String keyAlgo, ObjectIdentifier oid, Class<? extends AlgorithmParameterSpec> paramSpecCls)

Method Summary

Modifier and Type	Method and Description
public static RSAUtil.KeyType	lookup(String name)
public static RSAUtil.KeyType	valueOf(String name)
public static RSAUtil.KeyType[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

keyAlgo	back to summary
pack-priv final String keyAlgo

oid	back to summary
pack-priv final ObjectIdentifier oid

paramSpecCls	back to summary
pack-priv final Class<? extends AlgorithmParameterSpec> paramSpecCls

PSS	back to summary
public static final RSAUtil.KeyType PSS

RSA	back to summary
public static final RSAUtil.KeyType RSA

Constructor Detail

KeyType	back to summary
private KeyType(String keyAlgo, ObjectIdentifier oid, Class<? extends AlgorithmParameterSpec> paramSpecCls)

Method Detail

lookup	back to summary
public static RSAUtil.KeyType lookup(String name) throws ProviderException

valueOf	back to summary
public static RSAUtil.KeyType valueOf(String name)

values	back to summary
public static RSAUtil.KeyType[] values()