es.gob.afirma.utils

Class UtilsKeystore

java.lang.Object

es.gob.afirma.utils.UtilsKeystore

All Implemented Interfaces:

IUtilsKeystore

public final class UtilsKeystore
extends java.lang.Object
implements IUtilsKeystore

Class that manages operations related with the management of keystores.

Project:

Library for the integration with the services of @Firma, eVisor and TS@.

Version:

1.0, 14/01/2014.

Field Summary

Fields inherited from interface es.gob.afirma.utils.IUtilsKeystore

JCEKS, JKS, PKCS12

Method Summary

Modifier and Type	Method and Description
static byte[]	getCertificateEntry(byte[] keystore, java.lang.String keystoreDecodedPass, java.lang.String alias, java.lang.String keystoreType) Method that obtains a certificate stored inside of a keystore.
static java.util.List<java.security.cert.X509Certificate>	getListCertificates(byte[] keystore, java.lang.String keystoreDecodedPass, java.lang.String keystoreType) Method that obtains a list with all the certificates stored inside of a keystore.
static java.security.PrivateKey	getPrivateKeyEntry(byte[] keystore, java.lang.String keystoreDecodedPass, java.lang.String alias, java.lang.String keystoreType, java.lang.String privateKeyDecodedPass) Method that obtains a private key stored inside of a keystore.
static java.security.KeyStore	loadKeystore(java.lang.String path, java.lang.String password, java.lang.String type) Method that loads a keystore.

Methods inherited from class java.lang.Object

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

Method Detail

loadKeystore

public static java.security.KeyStore loadKeystore(java.lang.String path,
                                                  java.lang.String password,
                                                  java.lang.String type)
                                           throws java.security.KeyStoreException,
                                                  java.security.NoSuchAlgorithmException,
                                                  java.security.cert.CertificateException,
                                                  java.io.IOException

Method that loads a keystore.

Parameters:

path - Parameter that represents the path where is located the keystore.

password - Parameter that represents the password of the keystore.

type - Parameter that represents the keystore type.

Returns:

an object that represents the loaded keystore.

Throws:

java.security.KeyStoreException - If no Provider supports a KeyStoreSpi implementation for the specified type.

java.security.NoSuchAlgorithmException - If the algorithm used to check the integrity of the keystore cannot be found.

java.security.cert.CertificateException - If any of the certificates in the keystore could not be loaded.

java.io.IOException - If the file does not exist, is a directory rather than a regular file, or for some other reason cannot be opened for reading, or if there is an I/O or format problem with the keystore data, if a password is required but not given, or if the given password was incorrect.

getCertificateEntry

public static byte[] getCertificateEntry(byte[] keystore,
                                         java.lang.String keystoreDecodedPass,
                                         java.lang.String alias,
                                         java.lang.String keystoreType)
                                  throws java.security.KeyStoreException,
                                         java.security.NoSuchAlgorithmException,
                                         java.security.cert.CertificateException,
                                         java.io.IOException

Method that obtains a certificate stored inside of a keystore.

Parameters:

keystore - Parameter that represents the keystore.

keystoreDecodedPass - Parameter that represents the keystore password.

alias - Parameter that represents the alias of the certificate to obtain.

keystoreType - Parameter that represents the keystore type.

Returns:

the found certificate.

Throws:

java.security.KeyStoreException - If no Provider supports a KeyStoreSpi implementation for the specified type, or if the keystore has not been initialized (loaded).

java.security.NoSuchAlgorithmException - If the algorithm used to check the integrity of the keystore cannot be found.

java.security.cert.CertificateException - If any of the certificates in the keystore could not be loaded.

java.io.IOException - If there is an I/O or format problem with the keystore data, if a password is required but not given, or if the given password was incorrect.

getListCertificates

public static java.util.List<java.security.cert.X509Certificate> getListCertificates(byte[] keystore,
                                                                                     java.lang.String keystoreDecodedPass,
                                                                                     java.lang.String keystoreType)
                                                                              throws java.security.KeyStoreException,
                                                                                     java.security.NoSuchAlgorithmException,
                                                                                     java.security.cert.CertificateException,
                                                                                     java.io.IOException

Method that obtains a list with all the certificates stored inside of a keystore.

Parameters:

keystore - Parameter that represents the keystore.

keystoreDecodedPass - Parameter that represents the keystore password.

keystoreType - Parameter that represents the keystore type.

Returns:

a list with all the found certificates.

Throws:

java.security.KeyStoreException - If no Provider supports a KeyStoreSpi implementation for the specified type, or if the keystore has not been initialized (loaded).

java.security.NoSuchAlgorithmException - If the algorithm used to check the integrity of the keystore cannot be found.

java.security.cert.CertificateException - If any of the certificates in the keystore could not be loaded.

java.io.IOException - If there is an I/O or format problem with the keystore data, if a password is required but not given, or if the given password was incorrect.

getPrivateKeyEntry

public static java.security.PrivateKey getPrivateKeyEntry(byte[] keystore,
                                                          java.lang.String keystoreDecodedPass,
                                                          java.lang.String alias,
                                                          java.lang.String keystoreType,
                                                          java.lang.String privateKeyDecodedPass)
                                                   throws java.security.KeyStoreException,
                                                          java.security.NoSuchAlgorithmException,
                                                          java.security.cert.CertificateException,
                                                          java.io.IOException,
                                                          java.security.UnrecoverableKeyException

Method that obtains a private key stored inside of a keystore.

Parameters:

keystore - Parameter that represents the keystore.

keystoreDecodedPass - Parameter that represents the keystore password.

alias - Parameter that represents the alias of the certificate to obtain.

keystoreType - Parameter that represents the keystore type.

privateKeyDecodedPass - Parameter that represents the private key password.

Returns:

the found private key.

Throws:

java.security.KeyStoreException - If if no Provider supports a KeyStoreSpi implementation for the specified type, or if the keystore has not been initialized (loaded).

java.security.NoSuchAlgorithmException - If the algorithm used to check the integrity of the keystore cannot be found, or if the algorithm for recovering the key cannot be found.

java.security.cert.CertificateException - If any of the certificates in the keystore could not be loaded.

java.io.IOException - If there is an I/O or format problem with the keystore data, if a password is required but not given, or if the given password was incorrect.

java.security.UnrecoverableKeyException - If the key cannot be recovered (e.g., the given password is wrong).