fun signHashData(hashData: String, hashAlg: String): String? {
        Logger.log("Load key container to sign data.")
        // Тип контейнера по умолчанию.
        val keyStoreType: String = KeyStoreType.currentType()
        Logger.log("Default container type: $keyStoreType")

        // Загрузка ключа и сертификата.
        load(
            askPinInDialog, keyStoreType,
            currentAlias,
            null
        )
        if (privateKey == null) {
            Logger.log("Private key is null.")
            return null
        }

        // Формируем подпись.
        val chain = mutableListOf<X509Certificate>()

        if (certificates != null) {
            for (cert in certificates!!) {
                chain.add(cert as X509Certificate)
            }
        } else {
            chain.add(certificate!!)
        }
        var cAdESSignature = CAdESSignature(true, true) //Отсоединенная, подписываем хэш
        cAdESSignature.certificateStore =
            CollectionStore(mutableListOf(X509CertificateHolder(certificate!!.encoded)))
        Logger.log(
            "Single signature type: " +
                    if (cAdESType == CAdESType.CAdES_BES) "CAdES-BES" else "CAdES-X Long Type 1"
        )
        Logger.log(
            "Add one signer: " +
                    certificate!!.subjectDN+"\n public key Alg  "+certificate!!.publicKey.algorithm
        )

        if (cAdESType == CAdESType.CAdES_BES) {
            cAdESSignature.addSigner(
                JCSP.PROVIDER_NAME, null,
                null, privateKey, chain, cAdESType, null, false, null, null, null, true
            )
        }
        else {
            cAdESSignature.addSigner(
                JCSP.PROVIDER_NAME, null,
                null, privateKey, chain, cAdESType, CAdESSignVerifyPresenter.TSA_DEFAULT,
                false
            )
        }
        val signatureStream = ByteArrayOutputStream()
        Logger.log(
            "Compute signature for hash '" +
                    hashData + "\n" +
                    hashAlg
        )
        cAdESSignature.open(signatureStream)
        cAdESSignature.update(hashData.toByteArray()) //Возможно вот сюда нужно что-то другое вставлять?
        cAdESSignature.close()
        signatureStream.close()
        val sign = signatureStream.toByteArray()

        Logger.log(sign, true)
        Logger.log(sign.toString())

        // Проверяем подпись.
        Logger.log(
            "Verify CAdES signature of type: " +
                    if (cAdESType == CAdESType.CAdES_BES) "CAdES-BES" else "CAdES-X Long Type 1"
        )
        cAdESSignature = CAdESSignature(sign, hashData.toByteArray(), cAdESType, true)
        cAdESSignature.verify(chain)
        Logger.log("CAdES signature has been created and verified (OK)")
        return toBase64(sign)
    }

fun verify(
        dataInBase64: String?,
        signatureDataInBase64: String,
        isAttached: Boolean
    ): String {
        // Проверяем подпись.
        Logger.log(
            "Verify CAdES signature of type: " +
                    if (cAdESType == CAdESType.CAdES_BES) "CAdES-BES" else "CAdES-X Long Type 1"
        )
        val keyStoreType: String = KeyStoreType.currentType()

        load(
            askPinInDialog, keyStoreType,
            currentAlias,
            null
        )
        if (privateKey == null) {
            Logger.log("Private key is null.")
            return "null"
        }
        val chain = mutableListOf<X509Certificate>()
        if (certificates != null) {
            for (cert in certificates!!) {
                chain.add(cert as X509Certificate)
            }
        } else {
            chain.add(certificate!!)
        }
        val sign = signatureDataInBase64.replace("\n", "")
        val decodedSignature = Base64.getDecoder().decode(sign)
        val data =if (!isAttached) Base64.getDecoder().decode(dataInBase64) else null

        val cAdESSignature = CAdESSignature(decodedSignature, data, cAdESType)
        cAdESSignature.verify(chain)
        Logger.log("CAdES signature has been created and verified (OK)")
        return "true"
    }

fun signData(dataInBase64: String, isAttached: Boolean): String? {
        Logger.log("Load key container to sign data.")
        // Тип контейнера по умолчанию.
        val keyStoreType: String = KeyStoreType.currentType()
        Logger.log("Default container type: $keyStoreType")

        // Загрузка ключа и сертификата.
        load(
            askPinInDialog, keyStoreType,
            currentAlias, null
        )
        if (privateKey == null) {
            Logger.log("Private key is null.")
            return null
        } // if

        // Формируем подпись.
        val chain = mutableListOf<X509Certificate>()
        val installedTrustCerts=InstallCAdESTestTrustCertExample(mcontext!!).getTrustCerts()
         //chain.add(installedTrustCerts.last())
        if (certificates != null) {
            for (cert in certificates!!) {
                chain.add(cert as X509Certificate)
            }
        } else {

            chain.add(certificate!!)
        }
        var cAdESSignature = CAdESSignature(!isAttached)
        cAdESSignature.certificateStore =
            CollectionStore(mutableListOf(X509CertificateHolder(certificate!!.encoded)))
        Logger.log(
            "Single signature type: " +
                    if (cAdESType == CAdESType.CAdES_BES) "CAdES-BES" else "CAdES-X Long Type 1"
        )
        Logger.log(
            "Add one signer: " +
                    certificate!!.subjectDN
        )
        if (cAdESType == CAdESType.CAdES_BES) {
            cAdESSignature.addSigner(
                JCSP.PROVIDER_NAME, null,
                null, privateKey, chain, cAdESType, null, false, null, null, null, true
            )
        }
        else {
            cAdESSignature.addSigner(
                JCSP.PROVIDER_NAME, null,
                null, privateKey, chain, cAdESType, CAdESSignVerifyPresenter.TSA_DEFAULT,
                false
            )
        }
        val signatureStream = ByteArrayOutputStream()
        Logger.log(
            "Compute signature for message '" +
                    dataInBase64 + "'"
        )
        cAdESSignature.open(signatureStream)
        val decodedBytes = Base64.getDecoder().decode(dataInBase64)
        cAdESSignature.update(decodedBytes)
        cAdESSignature.close()
        signatureStream.close()
        val sign = signatureStream.toByteArray()

        // Проверяем подпись.
        Logger.log(
            "Verify CAdES signature of type: " +
                    if (cAdESType == CAdESType.CAdES_BES) "CAdES-BES" else "CAdES-X Long Type 1"
        )
        val data= if (!isAttached) decodedBytes else null
        cAdESSignature = CAdESSignature(sign, data, cAdESType)
        cAdESSignature.verify(chain)
        Logger.log("CAdES подпись создана и проверена (OK)")
        return toBase64(sign)
    }

I/JCP: ru.CryptoPro.JCP.pref.JCPPref.getBoolean :: System Preference Node: /ru/CryptoPro/reprov :: disable_tsp_cert_app_ext_checker = false
I/JCP: ru.CryptoPro.JCP.pref.JCPPref.getBoolean :: System Preference Node: /ru/CryptoPro/reprov :: disable_enroll_cert_type_ext_checker = false
W/System: A resource failed to call close. 
I/JCP: ru.CryptoPro.JCP.pref.JCPPref.getBoolean :: System Preference Node: /ru/CryptoPro/reprov :: disable_tsp_cert_app_ext_checker = false
I/JCP: ru.CryptoPro.JCP.pref.JCPPref.getBoolean :: System Preference Node: /ru/CryptoPro/reprov :: disable_enroll_cert_type_ext_checker = false
W/JCP: ru.CryptoPro.ssl.cl_39.<init> :: %% No appropriate keys for handshake
I/JCP: ru.CryptoPro.ssl.TrustManagerFactoryImpl.a :: trustStore is :  :: /data/user/0/ru.kck.signapp/security/cacerts
I/JCP: ru.CryptoPro.ssl.TrustManagerFactoryImpl.a :: trustStore type is :  :: BKS
I/JCP: ru.CryptoPro.ssl.TrustManagerFactoryImpl.a :: trustStore provider is :  :: 
I/JCP: ru.CryptoPro.ssl.TrustManagerFactoryImpl.a :: init truststore
W/JCP: ru.CryptoPro.ssl.pc_4.cl_4.<clinit> :: X.509 not found
    java.security.cert.CertificateException: X.509 not found
        at java.security.cert.CertificateFactory.getInstance(CertificateFactory.java:260)
******
Caused by: java.security.NoSuchAlgorithmException: The BC provider no longer provides an implementation for CertificateFactory.X.509.  Please see https://android-developers.googleblog.com/2018/03/cryptography-changes-in-android-p.html for more details.
        at sun.security.jca.Providers.checkBouncyCastleDeprecation(Providers.java:563)
        at sun.security.jca.Providers.checkBouncyCastleDeprecation(Providers.java:330)
        at java.security.cert.CertificateFactory.getInstance(CertificateFactory.java:254)
        	... 52 more
Validation failed for the target: 
    	serial: 43c3d60026adbe8449cb7479b2f73cc9
    	subject: SURNAME=Вавилова, GIVENNAME=Светлана Сергеевна, CN=ООО КСК ТЕХНОЛОГИИ, O=ООО КСК ТЕХНОЛОГИИ, L=Москва, ST=77 г. Москва, C=RU, EMAILADDRESS=s.vavilova@kck.ru, OID.1.2.643.3.131.1.1=#120C303037373138303634373937, OID.1.2.643.100.1=#120D31313537373436313231323436, OID.1.2.643.100.3=#120B3134383732313535343831
    	issuer: CN=Центральное информационно-техническое таможенное управление, O=Центральное информационно-техническое таможенное управление, STREET="ул. Новозаводская, д. 11/5", L=г. Москва, ST=77 Москва, C=RU, OID.1.2.643.3.131.1.1=#120C303037373330363534343731, OID.1.2.643.100.1=#120D31313137373436383839393431, EMAILADDRESS=vuc@ca.customs.ru
    	not before: Wed May 12 08:51:56 EDT 2021
    	not after: Fri Dec 31 07:51:56 EST 2021
    	signature provider: JCSP
    	validation date: null
    	revocation algorithm: CPPKIX
    	revocation validator: RevCheck
    	online: true
    For online validation by CRLDP parameter 'com.sun.security.enableCRLDP' (Oracle) or 'com.ibm.security.enableCRLDP' (IBM) must be set 'true' to enable or 'ocsp.enable' must be set 'true' (OCSP), or CRL passed for offline validation

System.setProperty("ru.CryptoPro.reprov.enableCRLDP", "true")
        System.setProperty("com.sun.security.enableCRLDP", "true")
        System.setProperty("com.ibm.security.enableCRLDP", "true")
        Security.setProperty("ocsp.enable", "true")

Security.setProperty(
            "ssl.KeyManagerFactory.algorithm",
            ru.CryptoPro.ssl.Provider.KEYMANGER_ALG
        )
        Security.setProperty(
            "ssl.TrustManagerFactory.algorithm",
            ru.CryptoPro.ssl.Provider.KEYMANGER_ALG
        )
        Security.setProperty("ssl.SocketFactory.provider", "ru.CryptoPro.ssl.SSLSocketFactoryImpl")
        Security.setProperty(
            "ssl.ServerSocketFactory.provider",
            "ru.CryptoPro.ssl.SSLServerSocketFactoryImpl"
        )
        if (Security.getProvider(ru.CryptoPro.ssl.Provider.PROVIDER_NAME) == null) {
            Security.addProvider(ru.CryptoPro.ssl.Provider())
        }