List of usage examples for org.bouncycastle.asn1.x509 DigestInfo toASN1Primitive
public ASN1Primitive toASN1Primitive()
From source file:es.gob.afirma.envelopers.cades.CAdESUtils.java
License:Open Source License
/** Método que genera la parte que contiene la información del * Usuario. Se generan los atributos que se necesitan para generar la firma. * @param cert Certificado del firmante/*from w ww . ja v a 2s . c o m*/ * @param datos Datos firmados * @param policy Política de firma * @param messageDigest * @return Los datos necesarios para generar la firma referente a los datos * del usuario. * @throws java.security.NoSuchAlgorithmException * @throws java.io.IOException * @throws CertificateEncodingException */ static ASN1EncodableVector generateSignerInfo(final X509Certificate cert, final String digestAlgorithmName, final byte[] datos, final AdESPolicy policy, final byte[] messageDigest) throws NoSuchAlgorithmException, IOException, CertificateEncodingException { // ALGORITMO DE HUELLA DIGITAL final AlgorithmIdentifier digestAlgorithmOID = SigUtils .makeAlgId(AOAlgorithmID.getOID(digestAlgorithmName)); // // ATRIBUTOS // authenticatedAttributes final ASN1EncodableVector contexExpecific = initContexExpecific(digestAlgorithmName, datos, PKCSObjectIdentifiers.data.getId(), messageDigest); // Serial Number // comentar lo de abajo para version del rfc 3852 contexExpecific.add(new Attribute(RFC4519Style.serialNumber, new DERSet(new DERPrintableString(cert.getSerialNumber().toString())))); if (!"SHA1".equals(AOSignConstants.getDigestAlgorithmName(digestAlgorithmName))) { //$NON-NLS-1$ //********************************************/ //***** La Nueva operatividad esta comentada */ //********************************************/ // INICIO SINGING CERTIFICATE-V2 /** IssuerSerial ::= SEQUENCE { issuer GeneralNames, serialNumber * CertificateSerialNumber */ final TBSCertificateStructure tbs = TBSCertificateStructure .getInstance(ASN1Primitive.fromByteArray(cert.getTBSCertificate())); /** ESSCertIDv2 ::= SEQUENCE { hashAlgorithm AlgorithmIdentifier * DEFAULT {algorithm id-sha256}, certHash Hash, issuerSerial * IssuerSerial OPTIONAL } * Hash ::= OCTET STRING */ final byte[] certHash = MessageDigest.getInstance(digestAlgorithmName).digest(cert.getEncoded()); final ESSCertIDv2[] essCertIDv2 = { new ESSCertIDv2(digestAlgorithmOID, certHash, new IssuerSerial(new GeneralNames(new GeneralName(tbs.getIssuer())), tbs.getSerialNumber())) }; /** PolicyInformation ::= SEQUENCE { policyIdentifier CertPolicyId, * policyQualifiers SEQUENCE SIZE (1..MAX) OF PolicyQualifierInfo * OPTIONAL } * CertPolicyId ::= OBJECT IDENTIFIER * PolicyQualifierInfo ::= SEQUENCE { policyQualifierId * PolicyQualifierId, qualifier ANY DEFINED BY policyQualifierId } */ final SigningCertificateV2 scv2; if (policy.getPolicyIdentifier() != null) { /** SigningCertificateV2 ::= SEQUENCE { certs SEQUENCE OF * ESSCertIDv2, policies SEQUENCE OF PolicyInformation OPTIONAL * } */ scv2 = new SigningCertificateV2(essCertIDv2, getPolicyInformation(policy)); // con // politica } else { scv2 = new SigningCertificateV2(essCertIDv2); // Sin politica } // Secuencia con singningCertificate contexExpecific.add(new Attribute(PKCSObjectIdentifiers.id_aa_signingCertificateV2, new DERSet(scv2))); // FIN SINGING CERTIFICATE-V2 } else { // INICIO SINGNING CERTIFICATE /** IssuerSerial ::= SEQUENCE { issuer GeneralNames, serialNumber * CertificateSerialNumber } */ final TBSCertificateStructure tbs = TBSCertificateStructure .getInstance(ASN1Primitive.fromByteArray(cert.getTBSCertificate())); final IssuerSerial isuerSerial = new IssuerSerial(new GeneralNames(new GeneralName(tbs.getIssuer())), tbs.getSerialNumber()); /** ESSCertID ::= SEQUENCE { certHash Hash, issuerSerial IssuerSerial * OPTIONAL } * Hash ::= OCTET STRING -- SHA1 hash of entire certificate */ final ESSCertID essCertID = new ESSCertID( MessageDigest.getInstance(digestAlgorithmName).digest(cert.getEncoded()), isuerSerial); /** PolicyInformation ::= SEQUENCE { policyIdentifier CertPolicyId, * policyQualifiers SEQUENCE SIZE (1..MAX) OF PolicyQualifierInfo * OPTIONAL } * CertPolicyId ::= OBJECT IDENTIFIER * PolicyQualifierInfo ::= SEQUENCE { policyQualifierId * PolicyQualifierId, qualifier ANY DEFINED BY policyQualifierId } */ final SigningCertificate scv; if (policy.getPolicyIdentifier() != null) { /** SigningCertificateV2 ::= SEQUENCE { certs SEQUENCE OF * ESSCertIDv2, policies SEQUENCE OF PolicyInformation OPTIONAL * } */ /* * HAY QUE HACER UN SEQUENCE, YA QUE EL CONSTRUCTOR DE BOUNCY * CASTLE NO TIENE DICHO CONSTRUCTOR. */ final ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new DERSequence(essCertID)); v.add(new DERSequence(getPolicyInformation(policy))); scv = SigningCertificate.getInstance(new DERSequence(v)); // con politica } else { scv = new SigningCertificate(essCertID); // Sin politica } /** id-aa-signingCertificate OBJECT IDENTIFIER ::= { iso(1) * member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9) smime(16) * id-aa(2) 12 } */ // Secuencia con singningCertificate contexExpecific.add(new Attribute(PKCSObjectIdentifiers.id_aa_signingCertificate, new DERSet(scv))); } // INICIO SIGPOLICYID ATTRIBUTE if (policy.getPolicyIdentifier() != null) { /* * SigPolicyId ::= OBJECT IDENTIFIER Politica de firma. */ final ASN1ObjectIdentifier doiSigPolicyId = new ASN1ObjectIdentifier( policy.getPolicyIdentifier().toLowerCase().replace("urn:oid:", "")); //$NON-NLS-1$ //$NON-NLS-2$ /* * OtherHashAlgAndValue ::= SEQUENCE { * hashAlgorithm AlgorithmIdentifier, * hashValue OCTET STRING } * */ // Algoritmo para el hash final AlgorithmIdentifier hashid; // si tenemos algoritmo de calculo de hash, lo ponemos if (policy.getPolicyIdentifierHashAlgorithm() != null) { hashid = SigUtils.makeAlgId(AOAlgorithmID .getOID(AOSignConstants.getDigestAlgorithmName(policy.getPolicyIdentifierHashAlgorithm()))); } // si no tenemos, ponemos el algoritmo de firma. else { hashid = digestAlgorithmOID; } // hash del documento, descifrado en b64 final byte[] hashed; if (policy.getPolicyIdentifierHash() != null) { hashed = Base64.decode(policy.getPolicyIdentifierHash()); } else { hashed = new byte[] { 0 }; } final DigestInfo otherHashAlgAndValue = new DigestInfo(hashid, hashed); /* * SigPolicyQualifierInfo ::= SEQUENCE { * SigPolicyQualifierId SigPolicyQualifierId, * SigQualifier ANY DEFINED BY policyQualifierId } */ SigPolicyQualifierInfo spqInfo = null; if (policy.getPolicyQualifier() != null) { spqInfo = new SigPolicyQualifierInfo(policy.getPolicyQualifier().toString()); } /* * SignaturePolicyId ::= SEQUENCE { * sigPolicyId SigPolicyId, * sigPolicyHash SigPolicyHash, * sigPolicyQualifiers SEQUENCE SIZE (1..MAX) OF * SigPolicyQualifierInfo OPTIONAL} * */ final ASN1EncodableVector v = new ASN1EncodableVector(); // sigPolicyId v.add(doiSigPolicyId); // sigPolicyHash v.add(otherHashAlgAndValue.toASN1Primitive()); // como sequence // sigPolicyQualifiers if (spqInfo != null) { v.add(spqInfo.toASN1Primitive()); } final DERSequence ds = new DERSequence(v); // Secuencia con singningCertificate contexExpecific.add( new Attribute(PKCSObjectIdentifiers.id_aa_ets_sigPolicyId, new DERSet(ds.toASN1Primitive()))); // FIN SIGPOLICYID ATTRIBUTE } return contexExpecific; }
From source file:es.gob.afirma.signers.cades.CAdESUtils.java
License:Open Source License
private static Attribute getSigPolicyId(final String digestAlgorithmName, final AdESPolicy policy) throws IOException { /** SigPolicyId ::= OBJECT IDENTIFIER Politica de firma. */ final ASN1ObjectIdentifier doiSigPolicyId = new ASN1ObjectIdentifier( policy.getPolicyIdentifier().toLowerCase(Locale.US).replace("urn:oid:", "") //$NON-NLS-1$ //$NON-NLS-2$ );//from w w w . ja v a2 s . c om /** OtherHashAlgAndValue ::= SEQUENCE { * hashAlgorithm AlgorithmIdentifier, * hashValue OCTET STRING * } */ // Algoritmo para el hash final AlgorithmIdentifier hashid; // Si tenemos algoritmo de calculo de hash, lo ponemos if (policy.getPolicyIdentifierHashAlgorithm() != null) { hashid = SigUtils.makeAlgId(AOAlgorithmID .getOID(AOSignConstants.getDigestAlgorithmName(policy.getPolicyIdentifierHashAlgorithm()))); } // Si no tenemos, ponemos el algoritmo de firma. else { hashid = SigUtils.makeAlgId(AOAlgorithmID.getOID(digestAlgorithmName)); } // Huella del documento final byte[] hashed; if (policy.getPolicyIdentifierHash() != null) { hashed = Base64.decode(policy.getPolicyIdentifierHash()); } else { hashed = new byte[] { 0 }; } final DigestInfo otherHashAlgAndValue = new DigestInfo(hashid, hashed); /** AOSigPolicyQualifierInfo ::= SEQUENCE { * SigPolicyQualifierId SigPolicyQualifierId, * SigQualifier ANY DEFINED BY policyQualifierId * } */ AOSigPolicyQualifierInfo spqInfo = null; if (policy.getPolicyQualifier() != null) { spqInfo = new AOSigPolicyQualifierInfo(policy.getPolicyQualifier().toString()); } /** SignaturePolicyId ::= SEQUENCE { * sigPolicyId SigPolicyId, * sigPolicyHash SigPolicyHash, * sigPolicyQualifiers SEQUENCE SIZE (1..MAX) OF AOSigPolicyQualifierInfo OPTIONAL * } */ final ASN1EncodableVector v = new ASN1EncodableVector(); // sigPolicyId v.add(doiSigPolicyId); // sigPolicyHash v.add(otherHashAlgAndValue.toASN1Primitive()); // como sequence // sigPolicyQualifiers if (spqInfo != null) { v.add(new DERSequence(spqInfo.toASN1Primitive())); } final DERSequence ds = new DERSequence(v); return new Attribute(PKCSObjectIdentifiers.id_aa_ets_sigPolicyId, new DERSet(ds.toASN1Primitive())); }