org.apache.geronimo.util
Class CaUtils

java.lang.Object
  org.apache.geronimo.util.CaUtils

public class CaUtils
extends Object

This class implements some utility methods used by CA

Field Summary

static int	B64_LINE_SIZE
static String	CERT_FOOTER
static String	CERT_HEADER
static String	CERT_REQ_HEADER
static String	CERT_REQ_PUBLICKEY
static String	CERT_REQ_PUBLICKEY_OBJ
static String	CERT_REQ_SUBJECT
static String	CERT_REQ_VERSION
static String	PKAC_CHALLENGE

Constructor Summary

CaUtils()

Method Summary

static String	base64Certificate(Certificate cert) This method returns base64 encoded text of a given certificate.
static String	base64Text(byte[] data, String header, String footer, int lineSize) This method encodes a given byte array into base64 along with specified header and footers.
static PublicKey	getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo) This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo
static X509Name	getSubjectX509Name(Certificate cert) This method returns a X509Name object corresponding to the subject in a given certificate
static X509Name	getX509Name(String cn, String ou, String o, String l, String st, String c) This method creates a X509Name object using the name attributes specified.
static X509Name	getX509Name(X500Principal principal) This method returns a X509Name object corresponding to a given principal
static Map	processPKCS10Request(String certreq) This method processes a certificate request and returns a map containing subject and public key in the request.
static Map	processSPKAC(String spkac) This method processes a DER encoded SignedPublicKeyAndChallenge in base64 format.
static void	storeInBase64(OutputStream fout, byte[] data, String header, String footer, int lineSize) This method encodes a given byte array into base64 along with specified header and footers and writes the output to a specified OutputStream.
static void	storeInBase64(String outfile, byte[] data, String header, String footer, int lineSize) This method encodes a given byte array into base64 along with specified header and footers and writes the output to a specified file.

Methods inherited from class java.lang.Object

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

Field Detail

CERT_HEADER

public static final String CERT_HEADER

See Also:

Constant Field Values

CERT_FOOTER

public static final String CERT_FOOTER

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Constant Field Values

CERT_REQ_HEADER

public static final String CERT_REQ_HEADER

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Constant Field Values

B64_LINE_SIZE

public static final int B64_LINE_SIZE

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Constant Field Values

CERT_REQ_SUBJECT

public static final String CERT_REQ_SUBJECT

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Constant Field Values

CERT_REQ_PUBLICKEY

public static final String CERT_REQ_PUBLICKEY

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Constant Field Values

CERT_REQ_PUBLICKEY_OBJ

public static final String CERT_REQ_PUBLICKEY_OBJ

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Constant Field Values

CERT_REQ_VERSION

public static final String CERT_REQ_VERSION

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Constant Field Values

PKAC_CHALLENGE

public static final String PKAC_CHALLENGE

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Constant Field Values

Constructor Detail

CaUtils

public CaUtils()

Method Detail

base64Certificate

public static String base64Certificate(Certificate cert)
                                throws CertificateEncodingException,
                                       Exception

This method returns base64 encoded text of a given certificate.

Parameters:

cert - The certificate that needs to be encoded in base64

Throws:

CertificateEncodingException

Exception

base64Text

public static String base64Text(byte[] data,
                                String header,
                                String footer,
                                int lineSize)
                         throws Exception

This method encodes a given byte array into base64 along with specified header and footers.

Parameters:

data - The byte array to be encoded in base64

header - Header for base64 encoded text

footer - Footer for base64 encoded text

lineSize - Maximum line size to split base64 encoded text if required

Throws:

Exception

storeInBase64

public static void storeInBase64(OutputStream fout,
                                 byte[] data,
                                 String header,
                                 String footer,
                                 int lineSize)
                          throws Exception

This method encodes a given byte array into base64 along with specified header and footers and writes the output to a specified OutputStream.

Parameters:

fout - Output stream to write the encoded text

data - The byte array to be encoded in base64

header - Header for base64 encoded text

footer - Footer for base64 encoded text

lineSize - Maximum line size to split base64 encoded text if required

Throws:

Exception

storeInBase64

public static void storeInBase64(String outfile,
                                 byte[] data,
                                 String header,
                                 String footer,
                                 int lineSize)
                          throws Exception

This method encodes a given byte array into base64 along with specified header and footers and writes the output to a specified file.

Parameters:

outfile - File name to write the output to

data - The byte array to be encoded in base64

header - Header for base64 encoded text

footer - Footer for base64 encoded text

lineSize - Maximum line size to split base64 encoded text if required

Throws:

Exception

getPublicKeyObject

public static PublicKey getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo)
                                    throws Exception

This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo

Parameters:

pubKeyInfo - SubjectPublicKeyInfo instance containing the public key information.

Throws:

Exception

getSubjectX509Name

public static X509Name getSubjectX509Name(Certificate cert)
                                   throws CertificateEncodingException,
                                          IOException

This method returns a X509Name object corresponding to the subject in a given certificate

Parameters:

cert - Certificate from which subject needs to be retrieved

Throws:

CertificateEncodingException

IOException

getX509Name

public static X509Name getX509Name(X500Principal principal)
                            throws CertificateEncodingException,
                                   IOException

This method returns a X509Name object corresponding to a given principal

Throws:

CertificateEncodingException

IOException

processPKCS10Request

public static Map processPKCS10Request(String certreq)
                                throws InvalidKeyException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       SignatureException,
                                       Exception

This method processes a certificate request and returns a map containing subject and public key in the request.

Parameters:

certreq - base64 encoded PKCS10 certificate request

Throws:

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

SignatureException

Exception

processSPKAC

public static Map processSPKAC(String spkac)
                        throws IOException,
                               NoSuchAlgorithmException,
                               InvalidKeyException,
                               SignatureException,
                               Exception

This method processes a DER encoded SignedPublicKeyAndChallenge in base64 format.

Parameters:

spkac - SignedPublicKeyAndChallenge in base64 text format

Returns:

a Map with Subject, public-key and challenge

Throws:

IOException

NoSuchAlgorithmException

InvalidKeyException

SignatureException

Exception

getX509Name

public static X509Name getX509Name(String cn,
                                   String ou,
                                   String o,
                                   String l,
                                   String st,
                                   String c)

This method creates a X509Name object using the name attributes specified.

Parameters:

cn - Common Name

ou - Organization Unit

o - Organization

l - Locality

st - State

c - Country