es.gob.afirma.utils

Class CryptoUtilXML

java.lang.Object

es.gob.afirma.utils.CryptoUtilXML

public final class CryptoUtilXML
extends java.lang.Object

Utility class contains encryption and hash functions for digital signature.

Project:

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

Version:

1.3, 04/03/2020.

Method Summary

Modifier and Type	Method and Description
static org.bouncycastle.asn1.tsp.MessageImprint	generateMessageImprintFromXMLAlgorithm(java.lang.String hashAlgXML, byte[] data) Method that obtains the MessageImprint from the digest method algorithm URI.
static java.lang.String	translateAlgorithmIdentifier(org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier) Method that translates a AlgorithmIdentifier object to a digest algorithm string.
static java.lang.String	translateDigestAlgorithmToXMLURI(java.lang.String alg) Method that translates a URI object to a algorithm string.
static java.lang.String	translateXmlDigestAlgorithm(java.lang.String digestAlg) Method that translates a AlgorithmIdentifier object to a digest algorithm string.

Methods inherited from class java.lang.Object

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

Method Detail

translateAlgorithmIdentifier

public static java.lang.String translateAlgorithmIdentifier(org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier)

Method that translates a AlgorithmIdentifier object to a digest algorithm string.

Parameters:

algorithmIdentifier - Parameter that represents the OID of the digest algorithm.

Returns:

the digest algorithm name.

translateXmlDigestAlgorithm

public static java.lang.String translateXmlDigestAlgorithm(java.lang.String digestAlg)

Method that translates a AlgorithmIdentifier object to a digest algorithm string.

Parameters:

digestAlg - Parameter that represents the digest method algorithm URI.

Returns:

the digest algorithm name.

generateMessageImprintFromXMLAlgorithm

public static org.bouncycastle.asn1.tsp.MessageImprint generateMessageImprintFromXMLAlgorithm(java.lang.String hashAlgXML,
                                                                                              byte[] data)

Method that obtains the MessageImprint from the digest method algorithm URI.

Parameters:

hashAlgXML - Parameter that represents the digest method algorithm URI.

data - Parameter that represents the hashed message.

Returns:

the generated MessageImprint.

translateDigestAlgorithmToXMLURI

public static java.lang.String translateDigestAlgorithmToXMLURI(java.lang.String alg)

Method that translates a URI object to a algorithm string.

Parameters:

alg - Parameter that represents the method algorithm.

Returns:

the algorithm name.