oracle.security.crypto.cms

Class CMSUtils

java.lang.Object

oracle.security.crypto.cms.CMSUtils

public class CMSUtils
extends java.lang.Object

Utility functions for users of this package.

Constructor Summary

Constructors

Constructor and Description
CMSUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	addPadding(java.lang.String algoName)
static boolean	checkKeyParity(javax.crypto.SecretKey key, int parity) Check the least significant bit of each key byte for the parity indicated -- 1 for odd parity or 0 for even parity.
static X509	convertX509(java.security.cert.X509Certificate cert) Converts an X509Certificate object to an X509 object
static byte[]	generateKeyID(java.security.PublicKey key)
static byte[]	generateSPKI160(java.security.cert.X509Certificate cert) Generates a 160 bit Subject Key Identifier as per RFC-2459.
static byte[]	generateSPKI64(java.security.cert.X509Certificate cert) Generates a 64 bit Subject Key Identifier as per RFC-2459.
static AlgorithmIdentifier	getAlgoID(java.lang.String name) Algoname to algoId mapping
static java.lang.String	getAlgoName(AlgorithmIdentifier oid) Algoid to algoname mapping
static java.lang.String	getAlgoName(AlgorithmIdentifier oid, boolean removeMode) Algoid to algoname mapping
static java.lang.String	getSigAlgName(java.lang.String encId, java.lang.String digId)
static void	setKeyParity(javax.crypto.SecretKey key, int parity) Set the least significant bit of each key byte so that it has the parity indicated -- 1 for odd parity or 0 for even parity.
static java.util.Vector	toJCECertVector(java.util.Vector certs)
static java.security.PublicKey	toJCEPublicKey(oracle.security.crypto.core.PublicKey phaoskey)
static java.security.cert.X509Certificate	toX509JCECertificate(X509 cert)
static java.util.Vector	toX509Vector(java.util.Vector certs) Converts a Vector of X509Certificate Objects to a Vector of X509 objects

Methods inherited from class java.lang.Object

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

Constructor Detail

CMSUtils

public CMSUtils()

Method Detail

generateSPKI64

public static byte[] generateSPKI64(java.security.cert.X509Certificate cert)
                             throws java.security.NoSuchAlgorithmException

Generates a 64 bit Subject Key Identifier as per RFC-2459.

Parameters:

cert - The public key X509 certificate.

Returns:

The 64 bit key identifier.

Throws:

java.security.NoSuchAlgorithmException

generateSPKI160

public static byte[] generateSPKI160(java.security.cert.X509Certificate cert)
                              throws java.security.NoSuchAlgorithmException

Generates a 160 bit Subject Key Identifier as per RFC-2459.

Parameters:

cert - The public key X509 certificate.

Returns:

The 160 bit key identifier.

Throws:

java.security.NoSuchAlgorithmException

getAlgoID

public static AlgorithmIdentifier getAlgoID(java.lang.String name)
                                     throws java.security.NoSuchAlgorithmException

Algoname to algoId mapping

Parameters:

name - Name of the algorithm

Returns:

AlgorithmIdentifier corresponding to the name of the algorithm

Throws:

java.security.NoSuchAlgorithmException

getAlgoName

public static java.lang.String getAlgoName(AlgorithmIdentifier oid)
                                    throws java.security.NoSuchAlgorithmException

Algoid to algoname mapping

Parameters:

oid - Algorithmidentifier for which algorithm name is required

Returns:

The algorithm name corresponding to the algoid

Throws:

java.security.NoSuchAlgorithmException

getAlgoName

public static java.lang.String getAlgoName(AlgorithmIdentifier oid,
                                           boolean removeMode)
                                    throws java.security.NoSuchAlgorithmException

Algoid to algoname mapping

Parameters:

oid - Algorithmidentifier for which algorithm name is required

removeMode - is set to true in case the mode in the algoname needs to be removed for instance while creating an instance of KeyGenerator

Returns:

The algorithm name corresponding to the algoid

Throws:

java.security.NoSuchAlgorithmException

generateKeyID

public static byte[] generateKeyID(java.security.PublicKey key)
                            throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

setKeyParity

public static void setKeyParity(javax.crypto.SecretKey key,
                                int parity)

Set the least significant bit of each key byte so that it has the parity indicated -- 1 for odd parity or 0 for even parity. This applies primarily to DES and DES-EDE keys.

Parameters:

key - The key for which parity is to be set.

parity - 1 for odd parity or 0 for even parity.

checkKeyParity

public static boolean checkKeyParity(javax.crypto.SecretKey key,
                                     int parity)

Check the least significant bit of each key byte for the parity indicated -- 1 for odd parity or 0 for even parity. This applies primarily to DES and DES-EDE keys.

Parameters:

key - The key for which parity is to be set.

parity - 1 for odd parity or 0 for even parity.

Returns:

true if each byte has the specified parity otherwise false

getSigAlgName

public static java.lang.String getSigAlgName(java.lang.String encId,
                                             java.lang.String digId)

addPadding

public static java.lang.String addPadding(java.lang.String algoName)

Parameters:

algoName -

Returns:

String - the name of the algorithm with the PKCS5Padding appended

convertX509

public static X509 convertX509(java.security.cert.X509Certificate cert)
                        throws java.security.cert.CertificateEncodingException

Converts an X509Certificate object to an X509 object

Parameters:

cert - X509Certificate object

Returns:

X509 object

Throws:

java.security.cert.CertificateEncodingException

toX509Vector

public static java.util.Vector toX509Vector(java.util.Vector certs)
                                     throws java.security.cert.CertificateEncodingException

Converts a Vector of X509Certificate Objects to a Vector of X509 objects

Throws:

java.security.cert.CertificateEncodingException

toJCECertVector

public static java.util.Vector toJCECertVector(java.util.Vector certs)
                                        throws java.security.cert.CertificateException

Throws:

java.security.cert.CertificateException

toX509JCECertificate

public static java.security.cert.X509Certificate toX509JCECertificate(X509 cert)
                                                               throws java.security.cert.CertificateException

Throws:

java.security.cert.CertificateException

toJCEPublicKey

public static java.security.PublicKey toJCEPublicKey(oracle.security.crypto.core.PublicKey phaoskey)
                                              throws java.security.NoSuchAlgorithmException,
                                                     java.security.spec.InvalidKeySpecException

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException