KeyStore keyStore = KeyStore.getInstance(JCSP.HD_STORE_NAME, JCSP.PROVIDER_NAME);
            keyStore.load(null, null);

            PrivateKey privateKey = (PrivateKey) keyStore.getKey(alias, null);

            java.security.cert.Certificate[] certChain = keyStore.getCertificateChain(alias);

            java.util.List<X509Certificate> x509Chain = java.util.Arrays.stream(certChain)
                    .map(cert -> (X509Certificate) cert)
                    .toList();

            CAdESSignature signature = new CAdESSignature();

            signature.addSigner(
                    JCSP.PROVIDER_NAME,
                    JCP.GOST_DIGEST_2012_256_OID,
                    JCP.GOST_EL_SIGN_2012_256_OID_WITH,
                    privateKey, 
                    x509Chain, 
                    CAdESType.CAdES_BES, 
                    null,
                    false, 
                    null,
                    null,
                    getCrl()
            );

            ByteArrayOutputStream signatureStream = new ByteArrayOutputStream();
            signature.open(signatureStream);
            signature.update(data.getBytes(StandardCharsets.UTF_8));
            signature.close();

            byte[] signResultBytes = signatureStream.toByteArray();

18:28:18.830 [http-nio-127.0.0.1-8118-exec-1] INFO  c.p.c.service.SbpAlfaService.signBody 67 - [b2a886c1-ce4b-430e-9faa-7cdcf065beb7] Unable to generate sign
digest OID is null; error codes: [-2] 'Application error', 
	at ru.CryptoPro.CAdES.AbstractCAdESSignature.addSigner(Unknown Source)
	at ru.CryptoPro.CAdES.AbstractCAdESSignature.addSigner(Unknown Source)
	at com.paygine.cryptoproproxy.service.SbpAlfaService.signBody(SbpAlfaService.java:45)
	at com.paygine.cryptoproproxy.controller.ProxyController.alfaCreditGitSignSign(ProxyController.java:125)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:565)
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:252)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:184)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:934)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:853)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:86)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:866)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1000)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:892)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:622)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:874)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:710)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:128)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
	at org.springframework.web.filter.ServerHttpObservationFilter.doFilterInternal(ServerHttpObservationFilter.java:110)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:199)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:107)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:77)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:113)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:83)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:72)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:397)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:1272)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1801)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:946)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:480)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:57)
	at java.base/java.lang.Thread.run(Thread.java:1474)
Caused by: java.lang.NullPointerException: digest OID is null
	at org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder.find(Unknown Source)
	at org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder.find(Unknown Source)
	at org.bouncycastle.cms.SignerInfoGeneratorBuilder.createGenerator(Unknown Source)
	at org.bouncycastle.cms.SignerInfoGeneratorBuilder.build(Unknown Source)
	... 50 common frames omitted

<dependency>
            <groupId>ru.CryptoPro</groupId>
            <artifactId>bcpkix-jdk18on</artifactId>
            <version>1.78.1</version>
            <scope>system</scope>
            <systemPath>${libDir}/java-csp-5.0.49800-A-85807cb8/dependencies/bcpkix-jdk18on-1.78.1.jar</systemPath>
        </dependency>

        <dependency>
            <groupId>ru.CryptoPro</groupId>
            <artifactId>bcprov-jdk18on</artifactId>
            <version>1.78.1</version>
            <scope>system</scope>
            <systemPath>${libDir}/java-csp-5.0.49800-A-85807cb8/dependencies/bcprov-jdk18on-1.78.1.jar</systemPath>
        </dependency>

        <dependency>
            <groupId>ru.CryptoPro</groupId>
            <artifactId>bcutil-jdk18on</artifactId>
            <version>1.78.1</version>
            <scope>system</scope>
            <systemPath>${libDir}/java-csp-5.0.49800-A-85807cb8/dependencies/bcutil-jdk18on-1.78.1.jar</systemPath>
        </dependency>