final ContentInfo all = new ContentInfo();
all.contentType = new Asn1ObjectIdentifier(new OID(CMStools.STR_CMS_OID_SIGNED).value);
final SignedData cms = new SignedData();
all.content = cms;
cms.version = new CMSVersion(1);
// digest
cms.digestAlgorithms = new DigestAlgorithmIdentifiers(1);
final DigestAlgorithmIdentifier a = new DigestAlgorithmIdentifier(new OID(CMStools.DIGEST_OID).value);
a.parameters = new Asn1Null();
cms.digestAlgorithms.elements[0] = a;
if (detached)
cms.encapContentInfo = new EncapsulatedContentInfo(new Asn1ObjectIdentifier(new OID(CMStools.STR_CMS_OID_DATA).value), null);
else
cms.encapContentInfo = new EncapsulatedContentInfo(new Asn1ObjectIdentifier(new OID(CMStools.STR_CMS_OID_DATA).value), new Asn1OctetString(buffer));
// certificate
cms.certificates = new CertificateSet(1);
final ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Certificate certificate = new ru.CryptoPro.JCP.ASN.PKIX1Explicit88.Certificate();
final Asn1BerDecodeBuffer decodeBuffer = new Asn1BerDecodeBuffer(cert.getEncoded());
certificate.decode(decodeBuffer);
cms.certificates.elements = new CertificateChoices[1];
cms.certificates.elements[0] = new CertificateChoices();
cms.certificates.elements[0].set_certificate(certificate);

// signer info
cms.signerInfos = new SignerInfos(1);
cms.signerInfos.elements[0] = new SignerInfo();
cms.signerInfos.elements[0].version = new CMSVersion(1);
cms.signerInfos.elements[0].sid = new SignerIdentifier();

final byte[] encodedName = ((X509Certificate) cert).getIssuerX500Principal().getEncoded();
final Asn1BerDecodeBuffer nameBuf = new Asn1BerDecodeBuffer(encodedName);
final Name name = new Name();
name.decode(nameBuf);

final CertificateSerialNumber num = new CertificateSerialNumber(((X509Certificate) cert).getSerialNumber());
cms.signerInfos.elements[0].sid.set_issuerAndSerialNumber(new IssuerAndSerialNumber(name, num));
cms.signerInfos.elements[0].digestAlgorithm = new DigestAlgorithmIdentifier(new OID(CMStools.DIGEST_OID).value);
cms.signerInfos.elements[0].digestAlgorithm.parameters = new Asn1Null();
cms.signerInfos.elements[0].signatureAlgorithm = new SignatureAlgorithmIdentifier(new OID(CMStools.SIGN_OID).value);
cms.signerInfos.elements[0].signatureAlgorithm.parameters = new Asn1Null();

// добавление не подписываемого атрибута OID 1.2.643.5.1.5.2.3.1 в подпись.
if (unsignedAttr != null){
}

cms.signerInfos.elements[0].signature = new SignatureValue(sign);
// encode
final Asn1BerEncodeBuffer asnBuf = new Asn1BerEncodeBuffer();
all.encode(asnBuf, true);
return asnBuf.getMsgCopy();

DateFormat format = new SimpleDateFormat(dateFormat);
Date date = format.parse(dateString);
long fileTime = om.sun.jna.platform.win32.WinBase.FILETIME.dateToFileTime(date);
System.out.println(fileTime);
ByteBuffer buffer = ByteBuffer.allocate(Long.SIZE);
buffer.putLong(0, fileTime);
return buffer.array();