ajanta.naming
Class CA

java.lang.Object
  |
  +--ajanta.naming.CA

public class CA

extends java.lang.Object

Field Summary

static long	AGENT_TIME
static java.lang.String	AS_URN
static java.lang.String	CERT_TYPE
static java.lang.String	COUNTRY
static java.lang.String	CS_URL
static java.lang.String	HOST_URL
static long	ONE_DAY
static long	ONE_MONTH
static long	ONE_YEAR
static java.lang.String	ORGANIZATION_NAME
static java.lang.String	ORGANIZATION_UNIT
static int	SEQ_FACTOR

Constructor Summary

CA(ajanta.naming.URN myURN, java.lang.String sigAlg, java.security.PublicKey myPublicKey, java.security.PrivateKey myPrivateKey, java.lang.String orgUnit)
Constructor

Method Summary

java.security.cert.X509Certificate	generateCertificate(ajanta.naming.NREntry entry, long validity)
java.security.PrivateKey	genTempKeys(ajanta.naming.URN entityURN, int key_length, long validity) Given an entityURN, this method generates a certificate for that entity.
java.security.cert.X509Certificate	getCertificate(ajanta.naming.URN urn)
static java.lang.String	getExtensionValue(java.security.cert.X509Certificate cert, java.lang.String extensionName)
java.security.cert.X509Certificate	removeCertificate(ajanta.naming.URN urn)
static void	verifyCertificate(java.security.cert.X509Certificate cert, java.security.PublicKey publicKey) verifies whether or not the certificate is valid (signature and validity period)

Methods inherited from class java.lang.Object

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

Field Detail

ONE_YEAR

public static long ONE_YEAR

ONE_MONTH

public static long ONE_MONTH

ONE_DAY

public static long ONE_DAY

AGENT_TIME

public static long AGENT_TIME

SEQ_FACTOR

public static int SEQ_FACTOR

ORGANIZATION_UNIT

public static java.lang.String ORGANIZATION_UNIT

ORGANIZATION_NAME

public static java.lang.String ORGANIZATION_NAME

COUNTRY

public static java.lang.String COUNTRY

CERT_TYPE

public static final java.lang.String CERT_TYPE

See Also:

Constant Field Values

HOST_URL

public static final java.lang.String HOST_URL

See Also:

Constant Field Values

CS_URL

public static final java.lang.String CS_URL

See Also:

Constant Field Values

AS_URN

public static final java.lang.String AS_URN

See Also:

Constant Field Values

Constructor Detail

CA

public CA(ajanta.naming.URN myURN,
          java.lang.String sigAlg,
          java.security.PublicKey myPublicKey,
          java.security.PrivateKey myPrivateKey,
          java.lang.String orgUnit)

Constructor

Parameters:

sigAlg - algorithm used for signing (e.g. DSA, RSA)

myPublicKey - public key of the CA

myPrivateKey - private key of CA used for signing all certificates

Method Detail

getCertificate

public java.security.cert.X509Certificate getCertificate(ajanta.naming.URN urn)

Returns:

X509 certificate corresponding to 'urn'

generateCertificate

public java.security.cert.X509Certificate generateCertificate(ajanta.naming.NREntry entry,
                                                              long validity)
                                                       throws java.security.cert.CertificateException,
                                                              java.security.InvalidKeyException,
                                                              java.security.SignatureException,
                                                              java.security.NoSuchAlgorithmException,
                                                              java.security.NoSuchProviderException

Parameters:

entry - NREntry of the entity being certified

validity - validity period in seconds

Returns:

the X509Certificate of the entity with appropriate extensions

java.security.cert.CertificateException

java.security.InvalidKeyException

java.security.SignatureException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

genTempKeys

public java.security.PrivateKey genTempKeys(ajanta.naming.URN entityURN,
                                            int key_length,
                                            long validity)
                                     throws java.security.cert.CertificateException,
                                            java.security.InvalidKeyException,
                                            java.security.SignatureException,
                                            java.security.NoSuchAlgorithmException,
                                            java.security.NoSuchProviderException

Given an entityURN, this method generates a certificate for that entity. It is to the discretion of the certification authority what the public, private key pairs should be. This method creates a temporary NREntry and inturn calls the version of the gernerateCertficate taking NREntry as one of the paramerters

Parameters:

entityURN - URN of the entity that we want to generate certificate for

key_length - length of the keys that should be generated

validity - validity period in seconds

Returns:

the X509Certificate of the entity with appropriate extensions

java.security.cert.CertificateException

java.security.InvalidKeyException

java.security.SignatureException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

removeCertificate

public java.security.cert.X509Certificate removeCertificate(ajanta.naming.URN urn)

Parameters:

urn - URN of entity whose certficate is being removed

Returns:

the removed certificate

verifyCertificate

public static void verifyCertificate(java.security.cert.X509Certificate cert,
                                     java.security.PublicKey publicKey)
                              throws java.security.GeneralSecurityException

verifies whether or not the certificate is valid (signature and validity period)

java.security.GeneralSecurityException

getExtensionValue

public static java.lang.String getExtensionValue(java.security.cert.X509Certificate cert,
                                                 java.lang.String extensionName)