Example usage for org.bouncycastle.asn1.cms SignerInfo getDigestEncryptionAlgorithm

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.cms SignerInfo getDigestEncryptionAlgorithm.

Prototype

public AlgorithmIdentifier getDigestEncryptionAlgorithm() 

Source Link

Usage

From source file:eu.europa.ec.markt.dss.validation102853.cades.CAdESSignature.java

License:Open Source License

/**
 * Copied from org.bouncycastle.asn1.cms.SignerInfo#toASN1Object() and adapted to be able to use the custom unauthenticatedAttributes
 *
 * @param signerInfo//  www.  ja va2s .  c om
 * @param unauthenticatedAttributes
 * @return
 */
private ASN1Sequence getSignerInfoEncoded(SignerInfo signerInfo, ASN1Encodable unauthenticatedAttributes) {

    ASN1EncodableVector v = new ASN1EncodableVector();

    v.add(signerInfo.getVersion());
    v.add(signerInfo.getSID());
    v.add(signerInfo.getDigestAlgorithm());

    if (signerInfo.getAuthenticatedAttributes() != null) {
        v.add(new DERTaggedObject(false, 0, signerInfo.getAuthenticatedAttributes()));
    }

    v.add(signerInfo.getDigestEncryptionAlgorithm());
    v.add(signerInfo.getEncryptedDigest());

    if (unauthenticatedAttributes != null) {
        v.add(new DERTaggedObject(false, 1, unauthenticatedAttributes));
    }

    return new DERSequence(v);
}

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From source file:eu.europa.esig.dss.cades.signature.CadesLevelBaselineLTATimestampExtractor.java

License:Open Source License

/**
 * 3) Fields version, sid, digestAlgorithm, signedAttrs, signatureAlgorithm, and
 * signature within the SignedData.signerInfoss item corresponding to the signature being archive
 * time-stamped, in their order of appearance.
 *
 * @param signerInformation// w w  w. ja v  a  2 s  .c o  m
 * @return
 */
private byte[] getSignedFields(final SignerInformation signerInformation) {

    final SignerInfo signerInfo = signerInformation.toASN1Structure();
    final ASN1Integer version = signerInfo.getVersion();
    final SignerIdentifier sid = signerInfo.getSID();
    final AlgorithmIdentifier digestAlgorithm = signerInfo.getDigestAlgorithm();
    final DERTaggedObject signedAttributes = CMSUtils.getDERSignedAttributes(signerInformation);
    final AlgorithmIdentifier digestEncryptionAlgorithm = signerInfo.getDigestEncryptionAlgorithm();
    final ASN1OctetString encryptedDigest = signerInfo.getEncryptedDigest();

    final byte[] derEncodedVersion = DSSASN1Utils.getDEREncoded(version);
    final byte[] derEncodedSid = DSSASN1Utils.getDEREncoded(sid);
    final byte[] derEncodedDigestAlgorithm = DSSASN1Utils.getDEREncoded(digestAlgorithm);
    final byte[] derEncodedSignedAttributes = DSSASN1Utils.getDEREncoded(signedAttributes);
    final byte[] derEncodedDigestEncryptionAlgorithm = DSSASN1Utils.getDEREncoded(digestEncryptionAlgorithm);
    final byte[] derEncodedEncryptedDigest = DSSASN1Utils.getDEREncoded(encryptedDigest);
    if (LOG.isDebugEnabled()) {

        LOG.debug("getSignedFields Version={}", Base64.decodeBase64(derEncodedVersion));
        LOG.debug("getSignedFields Sid={}", Base64.decodeBase64(derEncodedSid));
        LOG.debug("getSignedFields DigestAlgorithm={}", Base64.decodeBase64(derEncodedDigestAlgorithm));
        LOG.debug("getSignedFields SignedAttributes={}", Hex.encodeHexString(derEncodedSignedAttributes));
        LOG.debug("getSignedFields DigestEncryptionAlgorithm={}",
                Base64.decodeBase64(derEncodedDigestEncryptionAlgorithm));
        LOG.debug("getSignedFields EncryptedDigest={}", Base64.decodeBase64(derEncodedEncryptedDigest));
    }
    final byte[] concatenatedArrays = DSSUtils.concatenate(derEncodedVersion, derEncodedSid,
            derEncodedDigestAlgorithm, derEncodedSignedAttributes, derEncodedDigestEncryptionAlgorithm,
            derEncodedEncryptedDigest);
    return concatenatedArrays;
}

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From source file:eu.europa.esig.dss.cades.validation.CAdESSignature.java

License:Open Source License

/**
 * Copied from org.bouncycastle.asn1.cms.SignerInfo#toASN1Object() and
 * adapted to be able to use the custom unauthenticatedAttributes
 *
 * @param signerInfo/*w w  w.java  2  s . c o m*/
 * @param signerInfo
 * @param unauthenticatedAttributes
 * @return
 */
private ASN1Sequence getSignerInfoEncoded(final SignerInfo signerInfo,
        final ASN1Encodable unauthenticatedAttributes) {

    ASN1EncodableVector v = new ASN1EncodableVector();

    v.add(signerInfo.getVersion());
    v.add(signerInfo.getSID());
    v.add(signerInfo.getDigestAlgorithm());

    final DERTaggedObject signedAttributes = CMSUtils.getDERSignedAttributes(signerInformation);
    if (signedAttributes != null) {
        v.add(signedAttributes);
    }

    v.add(signerInfo.getDigestEncryptionAlgorithm());
    v.add(signerInfo.getEncryptedDigest());

    if (unauthenticatedAttributes != null) {
        v.add(new DERTaggedObject(false, 1, unauthenticatedAttributes));
    }

    return new DERSequence(v);
}

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From source file:org.jmrtd.lds.SignedDataUtil.java

License:Open Source License

public static String getDigestEncryptionAlgorithm(SignedData signedData) {
    try {/*from   ww  w. ja va  2 s.c om*/
        SignerInfo signerInfo = getSignerInfo(signedData);
        String digestEncryptionAlgorithmOID = signerInfo.getDigestEncryptionAlgorithm().getAlgorithm().getId();
        if (digestEncryptionAlgorithmOID == null) {
            return null;
        }
        return SignedDataUtil.lookupMnemonicByOID(digestEncryptionAlgorithmOID);
    } catch (NoSuchAlgorithmException nsae) {
        LOGGER.severe("Exception: " + nsae.getMessage());
        return null; // throw new IllegalStateException(nsae.toString());
    }
}

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