diff --git a/backend/Dockerfile b/backend/Dockerfile
index a3accb4..644f709 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,13 +1,13 @@
 FROM node:20-alpine AS builder
 WORKDIR /app
-COPY package.json tsconfig.json ./
+COPY package.json package-lock.json tsconfig.json ./
 RUN npm ci
 COPY src/ ./src/
 RUN npm run build
 
 FROM node:20-alpine AS runner
 WORKDIR /app
-COPY package.json ./
+COPY package.json package-lock.json ./
 RUN npm ci --production
 COPY --from=builder /app/dist ./dist
 EXPOSE 3001
diff --git a/cadesplugin_api.js b/cadesplugin_api.js
new file mode 100644
index 0000000..cd5b5ea
--- /dev/null
+++ b/cadesplugin_api.js
@@ -0,0 +1,895 @@
+; (function () {
+    //already loaded
+    if (window.cadesplugin && window.cadesplugin.LOG_LEVEL_DEBUG) {
+        return;
+    }
+    var pluginObject;
+    var plugin_resolved = 0;
+    var plugin_reject;
+    var plugin_resolve;
+    var isOpera = 0;
+    var isFireFox = 0;
+    var isSafari = 0;
+    var isYandex = 0;
+    var canPromise = !!window.Promise;
+    var cadesplugin_loaded_event_recieved = false;
+    var isFireFoxExtensionLoaded = false;
+    var cadesplugin = {};
+    var untrusted_sites_message_shown = false;
+
+    if (canPromise) {
+        cadesplugin = new window.Promise(function (resolve, reject) {
+            plugin_resolve = resolve;
+            plugin_reject = reject;
+        });
+    }
+
+    function check_browser() {
+        var ua = window.navigator.userAgent,
+            tem,
+            M = ua.match(/(opera|yabrowser|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
+        if (/trident/i.test(M[1])) {
+            tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
+            return { name: 'IE', version: (tem[1] || '') };
+        }
+        if (M[1] === "Chrome") {
+            tem = ua.match(/\b(OPR|Edg|YaBrowser)\/(\d+)/);
+            if (tem != null && (tem.length > 2)) {
+                return { name: tem[1].replace('OPR', 'Opera'), version: tem[2] };
+            }
+        }
+        M = M[2] ? [M[1], M[2]] : [window.navigator.appName, window.navigator.appVersion, '-?'];
+        if ((tem = ua.match(/version\/(\d+)/i)) != null) {
+            M.splice(1, 1, tem[1]);
+        }
+        return { name: M[0], version: M[1] };
+    }
+
+    var browserSpecs = check_browser();
+
+    function cpcsp_console_log(level, msg) {
+        //IE9 не может писать в консоль если не открыта вкладка developer tools
+        if (typeof console === 'undefined') {
+            return;
+        }
+        if (level <= cadesplugin.current_log_level) {
+            if (level === cadesplugin.LOG_LEVEL_DEBUG) {
+                console.log("DEBUG: %s", msg);
+            }
+            if (level === cadesplugin.LOG_LEVEL_INFO) {
+                console.info("INFO: %s", msg);
+            }
+            if (level === cadesplugin.LOG_LEVEL_ERROR) {
+                console.error("ERROR: %s", msg);
+            }
+        }
+    }
+
+    function get_extension_version(callback) {
+        window.postMessage("cadesplugin_extension_version_request", "*");
+        window.addEventListener("message", function (event) {
+            var resp_prefix = "cadesplugin_extension_version_response:";
+            if (typeof (event.data) !== "string" || event.data.indexOf(resp_prefix) !== 0) {
+                return;
+            }
+            var ext_version = event.data.substring(resp_prefix.length);
+            callback(ext_version);
+        }, false);
+    }
+
+    function get_extension_id(callback) {
+        window.postMessage("cadesplugin_extension_id_request", "*");
+        window.addEventListener("message", function (event) {
+            var resp_prefix = "cadesplugin_extension_id_response:";
+            if (typeof (event.data) !== "string" || event.data.indexOf(resp_prefix) !== 0) {
+                return;
+            }
+            var ext_id = event.data.substring(resp_prefix.length);
+            callback(ext_id);
+        }, false);
+    }
+
+    function set_log_level(level) {
+        if (!((level === cadesplugin.LOG_LEVEL_DEBUG) ||
+            (level === cadesplugin.LOG_LEVEL_INFO) ||
+            (level === cadesplugin.LOG_LEVEL_ERROR))) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_ERROR, "cadesplugin_api.js: Incorrect log_level: " + level);
+            return;
+        }
+        cadesplugin.current_log_level = level;
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_DEBUG) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = DEBUG");
+        }
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_INFO) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = INFO");
+        }
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_ERROR) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = ERROR");
+        }
+        if (isNativeMessageSupported()) {
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_DEBUG) {
+                window.postMessage("set_log_level=debug", "*");
+            }
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_INFO) {
+                window.postMessage("set_log_level=info", "*");
+            }
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_ERROR) {
+                window.postMessage("set_log_level=error", "*");
+            }
+        }
+    }
+
+    function set_constantValues() {
+        cadesplugin.CAPICOM_MEMORY_STORE = 0;
+        cadesplugin.CAPICOM_LOCAL_MACHINE_STORE = 1;
+        cadesplugin.CAPICOM_CURRENT_USER_STORE = 2;
+        cadesplugin.CAPICOM_SMART_CARD_USER_STORE = 4;
+        cadesplugin.CADESCOM_MEMORY_STORE = 0;
+        cadesplugin.CADESCOM_LOCAL_MACHINE_STORE = 1;
+        cadesplugin.CADESCOM_CURRENT_USER_STORE = 2;
+        cadesplugin.CADESCOM_SMART_CARD_USER_STORE = 4;
+        cadesplugin.CADESCOM_CONTAINER_STORE = 100;
+
+        cadesplugin.CAPICOM_ROOT_STORE = "Root";
+        cadesplugin.CAPICOM_CA_STORE = "CA";
+        cadesplugin.CAPICOM_MY_STORE = "My";
+        cadesplugin.CAPICOM_ADDRESSBOOK_STORE = "AddressBook";
+
+        cadesplugin.CAPICOM_STORE_OPEN_READ_WRITE = 1;
+        cadesplugin.CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED = 2;
+        cadesplugin.CAPICOM_STORE_OPEN_INCLUDE_ARCHIVED = 256;
+
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
+
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_ENVELOPED = 0;
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_ENVELOPING = 1;
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_TEMPLATE = 2;
+
+        cadesplugin.CADESCOM_XADES_DEFAULT = 0x00000010;
+        cadesplugin.CADESCOM_XADES_BES = 0x00000020;
+        cadesplugin.CADESCOM_XADES_T = 0x00000050;
+        cadesplugin.CADESCOM_XADES_X_LONG_TYPE_1 = 0x000005d0;
+        cadesplugin.CADESCOM_XMLDSIG_TYPE = 0x00000000;
+
+        cadesplugin.XmlDsigGost3410UrlObsolete = "http://www.w3.org/2001/04/xmldsig-more#gostr34102001-gostr3411";
+        cadesplugin.XmlDsigGost3411UrlObsolete = "http://www.w3.org/2001/04/xmldsig-more#gostr3411";
+        cadesplugin.XmlDsigGost3410Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102001-gostr3411";
+        cadesplugin.XmlDsigGost3411Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr3411";
+
+        cadesplugin.XmlDsigGost3411Url2012256 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-256";
+        cadesplugin.XmlDsigGost3410Url2012256 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102012-gostr34112012-256";
+        cadesplugin.XmlDsigGost3411Url2012512 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-512";
+        cadesplugin.XmlDsigGost3410Url2012512 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102012-gostr34112012-512";
+
+        cadesplugin.CADESCOM_CADES_DEFAULT = 0;
+        cadesplugin.CADESCOM_CADES_BES = 1;
+        cadesplugin.CADESCOM_CADES_T = 0x5;
+        cadesplugin.CADESCOM_CADES_X_LONG_TYPE_1 = 0x5d;
+        cadesplugin.CADESCOM_CADES_A = 0xdd;
+        cadesplugin.CADESCOM_PKCS7_TYPE = 0xffff;
+
+        cadesplugin.CADESCOM_ENCODE_BASE64 = 0;
+        cadesplugin.CADESCOM_ENCODE_BINARY = 1;
+        cadesplugin.CADESCOM_ENCODE_ANY = -1;
+
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_CHAIN_EXCEPT_ROOT = 0;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_WHOLE_CHAIN = 1;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_END_ENTITY_ONLY = 2;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_NONE = 0x100;
+
+        cadesplugin.CAPICOM_CERT_INFO_SUBJECT_SIMPLE_NAME = 0;
+        cadesplugin.CAPICOM_CERT_INFO_ISSUER_SIMPLE_NAME = 1;
+
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SHA1_HASH = 0;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_ISSUER_NAME = 2;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_ROOT_NAME = 3;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TEMPLATE_NAME = 4;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_EXTENSION = 5;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_EXTENDED_PROPERTY = 6;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_APPLICATION_POLICY = 7;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_CERTIFICATE_POLICY = 8;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_VALID = 9;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_NOT_YET_VALID = 10;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_EXPIRED = 11;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_KEY_USAGE = 12;
+
+        cadesplugin.CAPICOM_DIGITAL_SIGNATURE_KEY_USAGE = 128;
+
+        cadesplugin.CAPICOM_PROPID_ENHKEY_USAGE = 9;
+
+        cadesplugin.CAPICOM_OID_OTHER = 0;
+        cadesplugin.CAPICOM_OID_KEY_USAGE_EXTENSION = 10;
+
+        cadesplugin.CAPICOM_EKU_CLIENT_AUTH = 2;
+        cadesplugin.CAPICOM_EKU_SMARTCARD_LOGON = 5;
+        cadesplugin.CAPICOM_EKU_OTHER = 0;
+
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME = 0;
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_NAME = 1;
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_DESCRIPTION = 2;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME = 0;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_NAME = 1;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_DESCRIPTION = 2;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_MACHINE_INFO = 0x100;
+        cadesplugin.CADESCOM_ATTRIBUTE_OTHER = -1;
+
+        cadesplugin.CADESCOM_STRING_TO_UCS2LE = 0;
+        cadesplugin.CADESCOM_BASE64_TO_BINARY = 1;
+
+        cadesplugin.CADESCOM_DISPLAY_DATA_NONE = 0;
+        cadesplugin.CADESCOM_DISPLAY_DATA_CONTENT = 1;
+        cadesplugin.CADESCOM_DISPLAY_DATA_ATTRIBUTE = 2;
+
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_RC2 = 0;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_RC4 = 1;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_DES = 2;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_3DES = 3;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_AES = 4;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_28147_89 = 25;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_MAGMA = 35;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_MAGMA_OMAC = 36;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_KUZNYECHIK = 45;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_KUZNYECHIK_OMAC = 46;
+
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA1 = 0;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD2 = 1;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD4 = 2;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD5 = 3;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_256 = 4;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_384 = 5;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_512 = 6;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411 = 100;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_256 = 101;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_512 = 102;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_HMAC = 110;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_256_HMAC = 111;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_512_HMAC = 112;
+
+        cadesplugin.CADESCOM_CERT_INFO_ROLE = 100;
+        cadesplugin.CADESCOM_ROLE_ROOT = "ROOT";
+        cadesplugin.CADESCOM_ROLE_CA = "CA";
+        cadesplugin.CADESCOM_ROLE_LEAF = "LEAF";
+
+        cadesplugin.LOG_LEVEL_DEBUG = 4;
+        cadesplugin.LOG_LEVEL_INFO = 2;
+        cadesplugin.LOG_LEVEL_ERROR = 1;
+
+        cadesplugin.CADESCOM_AllowNone = 0;
+        cadesplugin.CADESCOM_AllowNoOutstandingRequest = 0x1;
+        cadesplugin.CADESCOM_AllowUntrustedCertificate = 0x2;
+        cadesplugin.CADESCOM_AllowUntrustedRoot = 0x4;
+        cadesplugin.CADESCOM_SkipInstallToStore = 0x10000000;
+        cadesplugin.CADESCOM_InstallCertChainToContainer = 0x20000000;
+        cadesplugin.CADESCOM_UseContainerStore = 0x40000000;
+
+        cadesplugin.ContextNone = 0;
+        cadesplugin.ContextUser = 0x1;
+        cadesplugin.ContextMachine = 0x2;
+        cadesplugin.ContextAdministratorForceMachine = 0x3;
+
+        cadesplugin.ENABLE_CARRIER_TYPE_CSP = 0x01;
+        cadesplugin.ENABLE_CARRIER_TYPE_FKC_NO_SM = 0x02;
+        cadesplugin.ENABLE_CARRIER_TYPE_FKC_SM = 0x04;
+        cadesplugin.ENABLE_ANY_CARRIER_TYPE = 0x07;
+
+        cadesplugin.DISABLE_EVERY_CARRIER_OPERATION = 0x00;
+        cadesplugin.ENABLE_CARRIER_OPEN_ENUM = 0x01;
+        cadesplugin.ENABLE_CARRIER_CREATE = 0x02;
+        cadesplugin.ENABLE_ANY_OPERATION = 0x03;
+
+        cadesplugin.CADESCOM_PRODUCT_CSP = 0;
+        cadesplugin.CADESCOM_PRODUCT_OCSP = 1;
+        cadesplugin.CADESCOM_PRODUCT_TSP = 2;
+
+        cadesplugin.MEDIA_TYPE_DEFAULT = 0x00000000;
+        cadesplugin.MEDIA_TYPE_REGISTRY = 0x00000001;
+        cadesplugin.MEDIA_TYPE_HDIMAGE = 0x00000002;
+        cadesplugin.MEDIA_TYPE_CLOUD = 0x00000004;
+        cadesplugin.MEDIA_TYPE_SCARD = 0x00000008;
+
+        cadesplugin.XCN_CRYPT_STRING_BASE64HEADER = 0;
+        cadesplugin.XCN_CRYPT_STRING_BASE64 = 0x1;
+        cadesplugin.XCN_CRYPT_STRING_BINARY = 0x2;
+        cadesplugin.XCN_CRYPT_STRING_BASE64REQUESTHEADER = 0x3;
+        cadesplugin.XCN_CRYPT_STRING_HEX = 0x4;
+        cadesplugin.XCN_CRYPT_STRING_HEXASCII = 0x5;
+        cadesplugin.XCN_CRYPT_STRING_BASE64_ANY = 0x6;
+        cadesplugin.XCN_CRYPT_STRING_ANY = 0x7;
+        cadesplugin.XCN_CRYPT_STRING_HEX_ANY = 0x8;
+        cadesplugin.XCN_CRYPT_STRING_BASE64X509CRLHEADER = 0x9;
+        cadesplugin.XCN_CRYPT_STRING_HEXADDR = 0xa;
+        cadesplugin.XCN_CRYPT_STRING_HEXASCIIADDR = 0xb;
+        cadesplugin.XCN_CRYPT_STRING_HEXRAW = 0xc;
+        cadesplugin.XCN_CRYPT_STRING_BASE64URI = 0xd;
+        cadesplugin.XCN_CRYPT_STRING_ENCODEMASK = 0xff;
+        cadesplugin.XCN_CRYPT_STRING_CHAIN = 0x100;
+        cadesplugin.XCN_CRYPT_STRING_TEXT = 0x200;
+        cadesplugin.XCN_CRYPT_STRING_PERCENTESCAPE = 0x8000000;
+        cadesplugin.XCN_CRYPT_STRING_HASHDATA = 0x10000000;
+        cadesplugin.XCN_CRYPT_STRING_STRICT = 0x20000000;
+        cadesplugin.XCN_CRYPT_STRING_NOCRLF = 0x40000000;
+        cadesplugin.XCN_CRYPT_STRING_NOCR = 0x80000000;
+
+        cadesplugin.XCN_CERT_NAME_STR_NONE = 0;
+        cadesplugin.XCN_AT_NONE = 0;
+        cadesplugin.XCN_AT_KEYEXCHANGE = 1;
+        cadesplugin.XCN_AT_SIGNATURE = 2;
+
+        cadesplugin.AT_KEYEXCHANGE = 1;
+        cadesplugin.AT_SIGNATURE = 2;
+
+        cadesplugin.CARRIER_FLAG_REMOVABLE = 1;
+        cadesplugin.CARRIER_FLAG_UNIQUE = 2;
+        cadesplugin.CARRIER_FLAG_PROTECTED = 4;
+        cadesplugin.CARRIER_FLAG_FUNCTIONAL_CARRIER = 8;
+        cadesplugin.CARRIER_FLAG_SECURE_MESSAGING = 16;
+        cadesplugin.CARRIER_FLAG_ABLE_SET_KEY = 32;
+        cadesplugin.CARRIER_FLAG_ABLE_VISUALISE_SIGNATURE = 64;
+        cadesplugin.CARRIER_FLAG_VIRTUAL = 128;
+
+        cadesplugin.CRYPT_MODE_CBCSTRICT = 1;
+        cadesplugin.CRYPT_MODE_CNT = 3;
+        cadesplugin.CRYPT_MODE_CBCRFC4357 = 31;
+        cadesplugin.CRYPT_MODE_CTR = 32;
+        cadesplugin.CRYPT_MODE_MGM = 33;
+        cadesplugin.CRYPT_MODE_GCM = 34;
+        cadesplugin.CRYPT_MODE_OMAC_CTR = 35;
+        cadesplugin.CRYPT_MODE_WRAP = 36;
+        cadesplugin.CRYPT_MODE_WRAP_PAD = 37;
+
+        cadesplugin.PKCS5_PADDING = 1;
+        cadesplugin.RANDOM_PADDING = 2;
+        cadesplugin.ZERO_PADDING = 3;
+        cadesplugin.ISO10126_PADDING = 4;
+        cadesplugin.ANSI_X923_PADDING = 5;
+        cadesplugin.TLS_1_0_PADDING = 6;
+        cadesplugin.ISO_IEC_7816_4_PADDING = 7;
+
+        cadesplugin.CAPICOM_STORE_SAVE_AS_SERIALIZED = 0;
+        cadesplugin.CAPICOM_STORE_SAVE_AS_PKCS7 = 1;
+
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_W = 0x00;
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_IR = 0x01;
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_UV = 0x02;
+
+        cadesplugin.CERT_TRUST_NO_ERROR = 0x00000000;
+        cadesplugin.CERT_TRUST_IS_NOT_TIME_VALID = 0x00000001;
+        cadesplugin.CERT_TRUST_IS_REVOKED = 0x00000004;
+        cadesplugin.CERT_TRUST_IS_NOT_SIGNATURE_VALID = 0x00000008;
+        cadesplugin.CERT_TRUST_IS_NOT_VALID_FOR_USAGE = 0x00000010;
+        cadesplugin.CERT_TRUST_IS_UNTRUSTED_ROOT = 0x00000020;
+        cadesplugin.CERT_TRUST_REVOCATION_STATUS_UNKNOWN = 0x00000040;
+        cadesplugin.CERT_TRUST_IS_CYCLIC = 0x00000080;
+        cadesplugin.CERT_TRUST_INVALID_EXTENSION = 0x00000100;
+        cadesplugin.CERT_TRUST_INVALID_POLICY_CONSTRAINTS = 0x00000200;
+        cadesplugin.CERT_TRUST_INVALID_BASIC_CONSTRAINTS = 0x00000400;
+        cadesplugin.CERT_TRUST_INVALID_NAME_CONSTRAINTS = 0x00000800;
+        cadesplugin.CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT = 0x00001000;
+        cadesplugin.CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT = 0x00002000;
+        cadesplugin.CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT = 0x00004000;
+        cadesplugin.CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT = 0x00008000;
+        cadesplugin.CERT_TRUST_IS_OFFLINE_REVOCATION = 0x01000000;
+        cadesplugin.CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY = 0x02000000;
+        cadesplugin.CERT_TRUST_IS_EXPLICIT_DISTRUST = 0x04000000;
+        cadesplugin.CERT_TRUST_HAS_NOT_SUPPORTED_CRITICAL_EXT = 0x08000000;
+        cadesplugin.CERT_TRUST_HAS_WEAK_SIGNATURE = 0x00100000;
+
+        cadesplugin.XCN_CERT_NO_KEY_USAGE = 0;
+        cadesplugin.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE = 0x80;
+        cadesplugin.XCN_CERT_NON_REPUDIATION_KEY_USAGE = 0x40;
+        cadesplugin.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE = 0x20;
+        cadesplugin.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE = 0x10;
+        cadesplugin.XCN_CERT_KEY_AGREEMENT_KEY_USAGE = 0x8;
+        cadesplugin.XCN_CERT_KEY_CERT_SIGN_KEY_USAGE = 0x4;
+        cadesplugin.XCN_CERT_OFFLINE_CRL_SIGN_KEY_USAGE = 0x2;
+        cadesplugin.XCN_CERT_CRL_SIGN_KEY_USAGE = 0x2;
+        cadesplugin.XCN_CERT_ENCIPHER_ONLY_KEY_USAGE = 0x1;
+        cadesplugin.XCN_CERT_DECIPHER_ONLY_KEY_USAGE = 0x8000;
+
+        cadesplugin.CADESCOM_XADES_ACCEPT_ANY_ID_ATTR_NAMESPACE = 1;
+        cadesplugin.CADES_USE_OCSP_AUTHORIZED_POLICY = 0x00020000;
+
+        cadesplugin.XCN_NCRYPT_NO_OPERATION = 0;
+        cadesplugin.XCN_NCRYPT_CIPHER_OPERATION = 0x1;
+        cadesplugin.XCN_NCRYPT_HASH_OPERATION = 0x2;
+        cadesplugin.XCN_NCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION = 0x4;
+        cadesplugin.XCN_NCRYPT_SECRET_AGREEMENT_OPERATION = 0x8;
+        cadesplugin.XCN_NCRYPT_SIGNATURE_OPERATION = 0x10;
+        cadesplugin.XCN_NCRYPT_RNG_OPERATION = 0x20;
+
+        cadesplugin.XCN_CRYPT_ANY_GROUP_ID = 0;
+        cadesplugin.XCN_CRYPT_HASH_ALG_OID_GROUP_ID = 1;
+        cadesplugin.XCN_CRYPT_ENCRYPT_ALG_OID_GROUP_ID = 2;
+        cadesplugin.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID = 3;
+        cadesplugin.XCN_CRYPT_SIGN_ALG_OID_GROUP_ID = 4;
+        cadesplugin.XCN_CRYPT_RDN_ATTR_OID_GROUP_ID = 5;
+        cadesplugin.XCN_CRYPT_EXT_OR_ATTR_OID_GROUP_ID = 6;
+        cadesplugin.XCN_CRYPT_ENHKEY_USAGE_OID_GROUP_ID = 7;
+        cadesplugin.XCN_CRYPT_POLICY_OID_GROUP_ID = 8;
+        cadesplugin.XCN_CRYPT_TEMPLATE_OID_GROUP_ID = 9;
+
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_ANY = 0;
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_SIGN_KEY_FLAG = 0x80000000;
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_ENCRYPT_KEY_FLAG = 0x40000000;
+
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_DISABLED = 0;
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_ENABLED = 1;
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_STRICT = 2;
+
+        cadesplugin.AlgorithmFlagsNone = 0;
+        cadesplugin.AlgorithmFlagsWrap = 0x1;
+    }
+
+    function async_spawn(generatorFunc) {
+        function continuer(verb, arg) {
+            var result;
+            try {
+                result = generator[verb](arg);
+            } catch (err) {
+                return window.Promise.reject(err);
+            }
+            if (result.done) {
+                return result.value;
+            } else {
+                return window.Promise.resolve(result.value).then(onFulfilled, onRejected);
+            }
+        }
+        var generator = generatorFunc(Array.prototype.slice.call(arguments, 1));
+        var onFulfilled = continuer.bind(continuer, "next");
+        var onRejected = continuer.bind(continuer, "throw");
+        return onFulfilled();
+    }
+
+    function isIE() {
+        return (browserSpecs.name === 'IE' || browserSpecs.name === 'MSIE');
+    }
+
+    function isIOS() {
+        return (window.navigator.userAgent.match(/ipod/i) ||
+            window.navigator.userAgent.match(/ipad/i) ||
+            window.navigator.userAgent.match(/iphone/i));
+    }
+
+    function isNativeMessageSupported() {
+        if (isIE()) {
+            return false;
+        }
+        if (browserSpecs.name === 'Edg') {
+            return true;
+        }
+        if (browserSpecs.name === 'YaBrowser') {
+            isYandex = true;
+            return true;
+        }
+        if (browserSpecs.name === 'Opera') {
+            isOpera = true;
+            return (browserSpecs.version >= 33);
+        }
+        if (browserSpecs.name === 'Firefox') {
+            isFireFox = true;
+            return (browserSpecs.version >= 52);
+        }
+        if (browserSpecs.name === 'Chrome') {
+            return (browserSpecs.version >= 42);
+        }
+        if (browserSpecs.name === 'Safari') {
+            isSafari = true;
+            return (browserSpecs.version >= 12);
+        }
+    }
+
+    function untrustedSitesHandle(msg) {
+        if (window.cadesplugin_untrusted_sites_disabled_callback) {
+            window.cadesplugin_untrusted_sites_disabled_callback(msg);
+        } else {
+            if (!untrusted_sites_message_shown) {
+                untrusted_sites_message_shown = true;
+                alert("Данный сайт отсутствует в Списке доверенных узлов. Работа плагина плагина на таких сайтах запрещена. Обратитесь к Администратору.");
+            }
+        }
+    }
+
+    function CreateObject(name) {
+        if (isIOS()) {
+            return call_ru_cryptopro_npcades_10_native_bridge("CreateObject", [name]);
+        }
+        var objWebClassFactory;
+        if (isIE()) {
+            if (name.match(/X509Enrollment/i)) {
+                try {
+                    objWebClassFactory = document.getElementById("webClassFactory");
+                    return objWebClassFactory.CreateObject(name);
+                }
+                catch (e) {
+                    var err = cadesplugin.getLastError(e);
+                    if (err.indexOf("0xC2110F00") !== -1) {
+                        var msg = "Данный сайт отсутствует в Списке доверенных узлов. (0xC2110F00)";
+                        untrustedSitesHandle(msg);
+                        throw (msg);
+                    }
+                    try {
+                        var objCertEnrollClassFactory = document.getElementById("certEnrollClassFactory");
+                        return objCertEnrollClassFactory.CreateObject(name);
+                    }
+                    catch (err) {
+                        throw ("Для создания обьектов X509Enrollment следует настроить веб-узел на использование проверки подлинности по протоколу HTTPS");
+                    }
+                }
+            }
+            try {
+                objWebClassFactory = document.getElementById("webClassFactory");
+                return objWebClassFactory.CreateObject(name);
+            } catch (e) {
+                var err = cadesplugin.getLastError(e);
+                if (err.indexOf("0xC2110F00") !== -1) {
+                    var msg = "Данный сайт отсутствует в Списке доверенных узлов. (0xC2110F00)";
+                    untrustedSitesHandle(msg);
+                    throw (msg);
+                }
+                return new window.ActiveXObject(name);
+            }
+        }
+        return pluginObject.CreateObject(name);
+    }
+
+    function decimalToHexString(number) {
+        if (number < 0) {
+            number = 0xFFFFFFFF + number + 1;
+        }
+
+        return number.toString(16).toUpperCase();
+    }
+
+    function GetMessageFromException(e) {
+        var err = e.message;
+        if (!err) {
+            err = e;
+        } else if (e.number) {
+            err += " (0x" + decimalToHexString(e.number) + ")";
+        }
+        return err;
+    }
+
+    function getLastError(exception) {
+        if (isNativeMessageSupported() || isIE() || isIOS()) {
+            return GetMessageFromException(exception);
+        }
+
+        try {
+            return pluginObject.getLastError();
+        } catch (e) {
+            return GetMessageFromException(exception);
+        }
+    }
+
+    function ReleasePluginObjects() {
+        return cpcsp_chrome_nmcades.ReleasePluginObjects();
+    }
+
+    function CreateObjectAsync(name) {
+        return pluginObject.CreateObjectAsync(name);
+    }
+
+    var ru_cryptopro_npcades_10_native_bridge = {
+        callbacksCount: 1,
+        callbacks: {},
+
+        resultForCallback: function resultForCallback(callbackId, resultArray) {
+            var callback = ru_cryptopro_npcades_10_native_bridge.callbacks[callbackId];
+            if (!callback) {
+                return;
+            }
+            callback.apply(null, resultArray);
+        },
+
+        call: function call(functionName, args, callback) {
+            var hasCallback = callback && typeof callback === "function";
+            var callbackId = hasCallback ? ru_cryptopro_npcades_10_native_bridge.callbacksCount++ : 0;
+
+            if (hasCallback) {
+                ru_cryptopro_npcades_10_native_bridge.callbacks[callbackId] = callback;
+            }
+
+            var iframe = document.createElement("IFRAME");
+            var arrObjs = new Array("_CPNP_handle");
+            try {
+                iframe.setAttribute("src", "cpnp-js-call:" + functionName + ":" + callbackId + ":" + encodeURIComponent(window.JSON.stringify(args, arrObjs)));
+            } catch (e) {
+                window.alert(e);
+            }
+            document.documentElement.appendChild(iframe);
+            iframe.parentNode.removeChild(iframe);
+            iframe = null;
+        }
+    };
+
+    function call_ru_cryptopro_npcades_10_native_bridge(functionName, array) {
+        var tmpobj;
+        var ex;
+        ru_cryptopro_npcades_10_native_bridge.call(functionName, array, function (e, response) {
+            ex = e;
+            var tmpobj = "";
+            try {
+                tmpobj = window.JSON.parse(response);
+            }
+            catch (err) {
+                tmpobj = response;
+            }
+            if (typeof tmpobj === "string") {
+                tmpobj = tmpobj.replace(/\\\n/gm, "\n");
+                tmpobj = tmpobj.replace(/\\\r/gm, "\r");
+            }
+        });
+        if (ex) {
+            throw ex;
+        }
+        return tmpobj;
+    }
+
+    function show_firefox_missing_extension_dialog() {
+        if (!window.cadesplugin_skip_extension_install) {
+            var ovr = document.createElement('div');
+            ovr.id = "cadesplugin_ovr";
+            ovr.style = "visibility: hidden; position: fixed; left: 0; top: 0; width:100%; height:100%; background-color: rgba(0,0,0,0.7)";
+            ovr.innerHTML = "<div id='cadesplugin_ovr_item' style='position:relative; max-width:400px; margin:100px auto; background-color:#fff; border:2px solid #000; padding:10px; text-align:center; opacity: 1; z-index: 1500'>" +
+                "<button id='cadesplugin_close_install' style='float: right; font-size: 10px; background: transparent; border: 1; margin: -5px'>X</button>" +
+                "<p>Для работы КриптоПро ЭЦП Browser plugin на данном сайте необходимо расширение для браузера. Убедитесь, что оно у Вас включено или установите его." +
+                "<p><a href='https://www.cryptopro.ru/sites/default/files/products/cades/extensions/firefox_cryptopro_extension_latest.xpi'>Скачать расширение</a></p>" +
+                "</div>";
+            document.getElementsByTagName("Body")[0].appendChild(ovr);
+            document.getElementById("cadesplugin_close_install").addEventListener('click', function () {
+                plugin_loaded_error("Плагин недоступен");
+                document.getElementById("cadesplugin_ovr").style.visibility = 'hidden';
+            });
+
+            ovr.addEventListener('click', function () {
+                plugin_loaded_error("Плагин недоступен");
+                document.getElementById("cadesplugin_ovr").style.visibility = 'hidden';
+            });
+            ovr.style.visibility = "visible";
+        }
+    }
+
+    function firefox_or_safari_nmcades_onload() {
+        if (window.cadesplugin_extension_loaded_callback) {
+            window.cadesplugin_extension_loaded_callback();
+        }
+        isFireFoxExtensionLoaded = true;
+        cpcsp_chrome_nmcades.check_chrome_plugin(plugin_loaded, plugin_loaded_error);
+    }
+
+    function load_js_script(url, successFunc, errorFunc) {
+        var script = document.createElement("script");
+        script.setAttribute("type", "text/javascript");
+        script.setAttribute("src", url);
+        script.onerror = errorFunc;
+        script.onload = successFunc;
+        document.getElementsByTagName("head")[0].appendChild(script);
+    }
+
+    function nmcades_api_onload() {
+        if (!isIE() && !isFireFox && !isSafari) {
+            if (window.cadesplugin_extension_loaded_callback) {
+                window.cadesplugin_extension_loaded_callback();
+            }
+        }
+        window.postMessage("cadesplugin_echo_request", "*");
+        window.addEventListener("message", function (event) {
+            if (typeof (event.data) !== "string" || !event.data.match("cadesplugin_loaded")) {
+                return;
+            }
+            if (cadesplugin_loaded_event_recieved) {
+                return;
+            }
+            if (isFireFox || isSafari) {
+                var url = event.data.substring(event.data.indexOf("url:") + 4);
+                if (!url.match("^(moz|safari)-extension://[a-zA-Z0-9/_-]+/nmcades_plugin_api.js$")) {
+                    cpcsp_console_log(cadesplugin.LOG_LEVEL_ERROR, "Bad url \"" + url + "\" for load CryptoPro Extension for CAdES Browser plug-in");
+                    plugin_loaded_error();
+                    return;
+                }
+                load_js_script(url, firefox_or_safari_nmcades_onload, plugin_loaded_error);
+            } else {
+                cpcsp_chrome_nmcades.check_chrome_plugin(plugin_loaded, plugin_loaded_error);
+            }
+            cadesplugin_loaded_event_recieved = true;
+        }, false);
+    }
+
+    function load_extension() {
+        if (isFireFox || isSafari) {
+            nmcades_api_onload();
+            return;
+        }
+        var operaUrl = "chrome-extension://epebfcehmdedogndhlcacafjaacknbcm/nmcades_plugin_api.js";
+        var manifestv2Url = "chrome-extension://iifchhfnnmpdbibifmljnfjhpififfog/nmcades_plugin_api.js";
+        var manifestv3Url = "chrome-extension://pfhgbfnnjiafkhfdkmpiflachepdcjod/nmcades_plugin_api.js";
+        if (isYandex) {
+            load_js_script(operaUrl, nmcades_api_onload, function () {
+                load_js_script(manifestv2Url, nmcades_api_onload, function () {
+                    load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+                });
+            });
+            return;
+        }
+        if (isOpera) {
+            load_js_script(manifestv2Url, nmcades_api_onload, function () {
+                load_js_script(operaUrl, nmcades_api_onload, function () {
+                    load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+                });
+            });
+            return;
+        }
+        load_js_script(manifestv2Url, nmcades_api_onload, function () {
+            load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+        });
+    }
+
+    function load_npapi_plugin() {
+        var elem = document.createElement('object');
+        elem.setAttribute("id", "cadesplugin_object");
+        elem.setAttribute("type", "application/x-cades");
+        elem.setAttribute("style", "visibility: hidden");
+        document.getElementsByTagName("body")[0].appendChild(elem);
+        pluginObject = document.getElementById("cadesplugin_object");
+        if (isIE()) {
+            var elem1 = document.createElement('object');
+            elem1.setAttribute("id", "certEnrollClassFactory");
+            elem1.setAttribute("classid", "clsid:884e2049-217d-11da-b2a4-000e7bbb2b09");
+            elem1.setAttribute("style", "visibility: hidden");
+            document.getElementsByTagName("body")[0].appendChild(elem1);
+            var elem2 = document.createElement('object');
+            elem2.setAttribute("id", "webClassFactory");
+            elem2.setAttribute("classid", "clsid:B04C8637-10BD-484E-B0DA-B8A039F60024");
+            elem2.setAttribute("style", "visibility: hidden");
+            document.getElementsByTagName("body")[0].appendChild(elem2);
+        }
+    }
+
+    function plugin_loaded() {
+        plugin_resolved = 1;
+        if (window.cadesplugin_plugin_loaded_callback)
+            window.cadesplugin_plugin_loaded_callback();
+        if (canPromise) {
+            plugin_resolve();
+        } else {
+            window.postMessage("cadesplugin_loaded", "*");
+        }
+    }
+
+    function plugin_loaded_error(msg) {
+        if (typeof (msg) === 'undefined' || typeof (msg) === 'object') {
+            msg = "Плагин недоступен";
+        }
+        plugin_resolved = 1;
+        if (canPromise) {
+            plugin_reject(msg);
+        } else {
+            window.postMessage("cadesplugin_load_error", "*");
+        }
+    }
+
+    function check_load_timeout() {
+        if (plugin_resolved === 1) {
+            return;
+        }
+        if (isFireFox && !isFireFoxExtensionLoaded) {
+            show_firefox_missing_extension_dialog();
+        }
+        plugin_resolved = 1;
+        if (window.cadesplugin_timeout_failed_callback)
+            window.cadesplugin_timeout_failed_callback();
+        if (canPromise) {
+            plugin_reject("Истекло время ожидания загрузки плагина");
+        } else {
+            window.postMessage("cadesplugin_load_error", "*");
+        }
+    }
+
+    function check_npapi_plugin() {
+        try {
+            CreateObject("CAdESCOM.About");
+            plugin_loaded();
+        } catch (err) {
+            document.getElementById("cadesplugin_object").style.display = 'none';
+            var mimetype = window.navigator.mimeTypes["application/x-cades"];
+            if (mimetype) {
+                var plugin = mimetype.enabledPlugin;
+                if (plugin) {
+                    plugin_loaded_error("Плагин загружен, но не создаются обьекты");
+                } else {
+                    plugin_loaded_error("Ошибка при загрузке плагина");
+                }
+            } else {
+                plugin_loaded_error("Плагин недоступен");
+            }
+        }
+    }
+
+    function check_plugin_working() {
+        var div = document.createElement("div");
+        div.innerHTML = "<!--[if lt IE 9]><i></i><![endif]-->";
+        var isIeLessThan9 = (div.getElementsByTagName("i").length === 1);
+        if (isIeLessThan9) {
+            plugin_loaded_error("Internet Explorer версии 8 и ниже не поддерживается");
+            return;
+        }
+
+        if (isNativeMessageSupported()) {
+            load_extension();
+        } else if (!canPromise) {
+            window.addEventListener("message", function (event) {
+                if (event.data !== "cadesplugin_echo_request") {
+                    return;
+                }
+                load_npapi_plugin();
+                check_npapi_plugin();
+            }, false);
+        } else {
+            if (document.readyState === "complete") {
+                load_npapi_plugin();
+                check_npapi_plugin();
+            } else {
+                window.addEventListener("load", function (event) {
+                    load_npapi_plugin();
+                    check_npapi_plugin();
+                }, false);
+            }
+        }
+    }
+
+    function set_pluginObject(obj) {
+        pluginObject = obj;
+    }
+
+    function is_capilite_enabled() {
+        return ((typeof (cadesplugin.EnableInternalCSP) !== 'undefined') && cadesplugin.EnableInternalCSP);
+    }
+
+    function set_load_timeout() {
+        if (window.cadesplugin_load_timeout) {
+            window.setTimeout(check_load_timeout, window.cadesplugin_load_timeout);
+        } else {
+            window.setTimeout(check_load_timeout, 20000);
+        }
+    }
+
+    var onVisibilityChange = function (event) {
+        if (document.hidden === false) {
+            document.removeEventListener("visibilitychange", onVisibilityChange);
+            set_load_timeout();
+            check_plugin_working();
+        }
+    };
+
+    cadesplugin.JSModuleVersion = "2.4.5";
+    cadesplugin.async_spawn = async_spawn;
+    cadesplugin.set = set_pluginObject;
+    cadesplugin.set_log_level = set_log_level;
+    cadesplugin.get_extension_version = get_extension_version;
+    cadesplugin.get_extension_id = get_extension_id;
+    cadesplugin.getLastError = getLastError;
+    cadesplugin.is_capilite_enabled = is_capilite_enabled;
+
+    if (isNativeMessageSupported()) {
+        cadesplugin.CreateObjectAsync = CreateObjectAsync;
+        cadesplugin.ReleasePluginObjects = ReleasePluginObjects;
+    }
+
+    if (!isNativeMessageSupported()) {
+        cadesplugin.CreateObject = CreateObject;
+    }
+
+    set_constantValues();
+
+    cadesplugin.current_log_level = cadesplugin.LOG_LEVEL_ERROR;
+    window.cadesplugin = cadesplugin;
+    if (isSafari && document.hidden) {
+        document.addEventListener("visibilitychange", onVisibilityChange);
+        return;
+    }
+    set_load_timeout();
+    check_plugin_working();
+}());
+
diff --git a/docker-compose.yml b/docker-compose.yml
index 32d0649..bafb9b6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
       dockerfile: Dockerfile
     container_name: chestny-znak-backend
     ports:
-      - "3001:3001"
+      - "3002:3001"
     env_file:
       - ./backend/.env
     networks:
@@ -17,7 +17,7 @@ services:
       dockerfile: Dockerfile
     container_name: chestny-znak-frontend
     ports:
-      - "80:80"
+      - "3003:80"
     depends_on:
       - backend
     networks:
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 89e7c8f..04f60a8 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,11 +1,13 @@
 FROM node:20-alpine AS builder
 WORKDIR /app
-COPY package.json tsconfig.json vite.config.ts index.html ./
+COPY package.json package-lock.json tsconfig.json vite.config.ts index.html ./
+COPY public/ ./public/
 RUN npm ci
 COPY src/ ./src/
 RUN npm run build
 
 FROM nginx:alpine AS runner
+COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY --from=builder /app/dist /usr/share/nginx/html
 EXPOSE 80
 CMD ["nginx", "-g", "daemon off;"]
diff --git a/frontend/index.html b/frontend/index.html
index 6d2a78c..e61f72a 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -7,6 +7,7 @@
   </head>
   <body>
     <div id="root"></div>
+    <script src="/cadesplugin_api.js"></script>
     <script type="module" src="/src/main.tsx"></script>
   </body>
 </html>
diff --git a/frontend/public/cadesplugin_api.js b/frontend/public/cadesplugin_api.js
new file mode 100644
index 0000000..cd5b5ea
--- /dev/null
+++ b/frontend/public/cadesplugin_api.js
@@ -0,0 +1,895 @@
+; (function () {
+    //already loaded
+    if (window.cadesplugin && window.cadesplugin.LOG_LEVEL_DEBUG) {
+        return;
+    }
+    var pluginObject;
+    var plugin_resolved = 0;
+    var plugin_reject;
+    var plugin_resolve;
+    var isOpera = 0;
+    var isFireFox = 0;
+    var isSafari = 0;
+    var isYandex = 0;
+    var canPromise = !!window.Promise;
+    var cadesplugin_loaded_event_recieved = false;
+    var isFireFoxExtensionLoaded = false;
+    var cadesplugin = {};
+    var untrusted_sites_message_shown = false;
+
+    if (canPromise) {
+        cadesplugin = new window.Promise(function (resolve, reject) {
+            plugin_resolve = resolve;
+            plugin_reject = reject;
+        });
+    }
+
+    function check_browser() {
+        var ua = window.navigator.userAgent,
+            tem,
+            M = ua.match(/(opera|yabrowser|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
+        if (/trident/i.test(M[1])) {
+            tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
+            return { name: 'IE', version: (tem[1] || '') };
+        }
+        if (M[1] === "Chrome") {
+            tem = ua.match(/\b(OPR|Edg|YaBrowser)\/(\d+)/);
+            if (tem != null && (tem.length > 2)) {
+                return { name: tem[1].replace('OPR', 'Opera'), version: tem[2] };
+            }
+        }
+        M = M[2] ? [M[1], M[2]] : [window.navigator.appName, window.navigator.appVersion, '-?'];
+        if ((tem = ua.match(/version\/(\d+)/i)) != null) {
+            M.splice(1, 1, tem[1]);
+        }
+        return { name: M[0], version: M[1] };
+    }
+
+    var browserSpecs = check_browser();
+
+    function cpcsp_console_log(level, msg) {
+        //IE9 не может писать в консоль если не открыта вкладка developer tools
+        if (typeof console === 'undefined') {
+            return;
+        }
+        if (level <= cadesplugin.current_log_level) {
+            if (level === cadesplugin.LOG_LEVEL_DEBUG) {
+                console.log("DEBUG: %s", msg);
+            }
+            if (level === cadesplugin.LOG_LEVEL_INFO) {
+                console.info("INFO: %s", msg);
+            }
+            if (level === cadesplugin.LOG_LEVEL_ERROR) {
+                console.error("ERROR: %s", msg);
+            }
+        }
+    }
+
+    function get_extension_version(callback) {
+        window.postMessage("cadesplugin_extension_version_request", "*");
+        window.addEventListener("message", function (event) {
+            var resp_prefix = "cadesplugin_extension_version_response:";
+            if (typeof (event.data) !== "string" || event.data.indexOf(resp_prefix) !== 0) {
+                return;
+            }
+            var ext_version = event.data.substring(resp_prefix.length);
+            callback(ext_version);
+        }, false);
+    }
+
+    function get_extension_id(callback) {
+        window.postMessage("cadesplugin_extension_id_request", "*");
+        window.addEventListener("message", function (event) {
+            var resp_prefix = "cadesplugin_extension_id_response:";
+            if (typeof (event.data) !== "string" || event.data.indexOf(resp_prefix) !== 0) {
+                return;
+            }
+            var ext_id = event.data.substring(resp_prefix.length);
+            callback(ext_id);
+        }, false);
+    }
+
+    function set_log_level(level) {
+        if (!((level === cadesplugin.LOG_LEVEL_DEBUG) ||
+            (level === cadesplugin.LOG_LEVEL_INFO) ||
+            (level === cadesplugin.LOG_LEVEL_ERROR))) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_ERROR, "cadesplugin_api.js: Incorrect log_level: " + level);
+            return;
+        }
+        cadesplugin.current_log_level = level;
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_DEBUG) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = DEBUG");
+        }
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_INFO) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = INFO");
+        }
+        if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_ERROR) {
+            cpcsp_console_log(cadesplugin.LOG_LEVEL_INFO, "cadesplugin_api.js: log_level = ERROR");
+        }
+        if (isNativeMessageSupported()) {
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_DEBUG) {
+                window.postMessage("set_log_level=debug", "*");
+            }
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_INFO) {
+                window.postMessage("set_log_level=info", "*");
+            }
+            if (cadesplugin.current_log_level === cadesplugin.LOG_LEVEL_ERROR) {
+                window.postMessage("set_log_level=error", "*");
+            }
+        }
+    }
+
+    function set_constantValues() {
+        cadesplugin.CAPICOM_MEMORY_STORE = 0;
+        cadesplugin.CAPICOM_LOCAL_MACHINE_STORE = 1;
+        cadesplugin.CAPICOM_CURRENT_USER_STORE = 2;
+        cadesplugin.CAPICOM_SMART_CARD_USER_STORE = 4;
+        cadesplugin.CADESCOM_MEMORY_STORE = 0;
+        cadesplugin.CADESCOM_LOCAL_MACHINE_STORE = 1;
+        cadesplugin.CADESCOM_CURRENT_USER_STORE = 2;
+        cadesplugin.CADESCOM_SMART_CARD_USER_STORE = 4;
+        cadesplugin.CADESCOM_CONTAINER_STORE = 100;
+
+        cadesplugin.CAPICOM_ROOT_STORE = "Root";
+        cadesplugin.CAPICOM_CA_STORE = "CA";
+        cadesplugin.CAPICOM_MY_STORE = "My";
+        cadesplugin.CAPICOM_ADDRESSBOOK_STORE = "AddressBook";
+
+        cadesplugin.CAPICOM_STORE_OPEN_READ_WRITE = 1;
+        cadesplugin.CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED = 2;
+        cadesplugin.CAPICOM_STORE_OPEN_INCLUDE_ARCHIVED = 256;
+
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
+
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_ENVELOPED = 0;
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_ENVELOPING = 1;
+        cadesplugin.CADESCOM_XML_SIGNATURE_TYPE_TEMPLATE = 2;
+
+        cadesplugin.CADESCOM_XADES_DEFAULT = 0x00000010;
+        cadesplugin.CADESCOM_XADES_BES = 0x00000020;
+        cadesplugin.CADESCOM_XADES_T = 0x00000050;
+        cadesplugin.CADESCOM_XADES_X_LONG_TYPE_1 = 0x000005d0;
+        cadesplugin.CADESCOM_XMLDSIG_TYPE = 0x00000000;
+
+        cadesplugin.XmlDsigGost3410UrlObsolete = "http://www.w3.org/2001/04/xmldsig-more#gostr34102001-gostr3411";
+        cadesplugin.XmlDsigGost3411UrlObsolete = "http://www.w3.org/2001/04/xmldsig-more#gostr3411";
+        cadesplugin.XmlDsigGost3410Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102001-gostr3411";
+        cadesplugin.XmlDsigGost3411Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr3411";
+
+        cadesplugin.XmlDsigGost3411Url2012256 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-256";
+        cadesplugin.XmlDsigGost3410Url2012256 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102012-gostr34112012-256";
+        cadesplugin.XmlDsigGost3411Url2012512 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-512";
+        cadesplugin.XmlDsigGost3410Url2012512 = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102012-gostr34112012-512";
+
+        cadesplugin.CADESCOM_CADES_DEFAULT = 0;
+        cadesplugin.CADESCOM_CADES_BES = 1;
+        cadesplugin.CADESCOM_CADES_T = 0x5;
+        cadesplugin.CADESCOM_CADES_X_LONG_TYPE_1 = 0x5d;
+        cadesplugin.CADESCOM_CADES_A = 0xdd;
+        cadesplugin.CADESCOM_PKCS7_TYPE = 0xffff;
+
+        cadesplugin.CADESCOM_ENCODE_BASE64 = 0;
+        cadesplugin.CADESCOM_ENCODE_BINARY = 1;
+        cadesplugin.CADESCOM_ENCODE_ANY = -1;
+
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_CHAIN_EXCEPT_ROOT = 0;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_WHOLE_CHAIN = 1;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_END_ENTITY_ONLY = 2;
+        cadesplugin.CAPICOM_CERTIFICATE_INCLUDE_NONE = 0x100;
+
+        cadesplugin.CAPICOM_CERT_INFO_SUBJECT_SIMPLE_NAME = 0;
+        cadesplugin.CAPICOM_CERT_INFO_ISSUER_SIMPLE_NAME = 1;
+
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SHA1_HASH = 0;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_ISSUER_NAME = 2;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_ROOT_NAME = 3;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TEMPLATE_NAME = 4;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_EXTENSION = 5;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_EXTENDED_PROPERTY = 6;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_APPLICATION_POLICY = 7;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_CERTIFICATE_POLICY = 8;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_VALID = 9;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_NOT_YET_VALID = 10;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_TIME_EXPIRED = 11;
+        cadesplugin.CAPICOM_CERTIFICATE_FIND_KEY_USAGE = 12;
+
+        cadesplugin.CAPICOM_DIGITAL_SIGNATURE_KEY_USAGE = 128;
+
+        cadesplugin.CAPICOM_PROPID_ENHKEY_USAGE = 9;
+
+        cadesplugin.CAPICOM_OID_OTHER = 0;
+        cadesplugin.CAPICOM_OID_KEY_USAGE_EXTENSION = 10;
+
+        cadesplugin.CAPICOM_EKU_CLIENT_AUTH = 2;
+        cadesplugin.CAPICOM_EKU_SMARTCARD_LOGON = 5;
+        cadesplugin.CAPICOM_EKU_OTHER = 0;
+
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME = 0;
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_NAME = 1;
+        cadesplugin.CAPICOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_DESCRIPTION = 2;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_SIGNING_TIME = 0;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_NAME = 1;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_DOCUMENT_DESCRIPTION = 2;
+        cadesplugin.CADESCOM_AUTHENTICATED_ATTRIBUTE_MACHINE_INFO = 0x100;
+        cadesplugin.CADESCOM_ATTRIBUTE_OTHER = -1;
+
+        cadesplugin.CADESCOM_STRING_TO_UCS2LE = 0;
+        cadesplugin.CADESCOM_BASE64_TO_BINARY = 1;
+
+        cadesplugin.CADESCOM_DISPLAY_DATA_NONE = 0;
+        cadesplugin.CADESCOM_DISPLAY_DATA_CONTENT = 1;
+        cadesplugin.CADESCOM_DISPLAY_DATA_ATTRIBUTE = 2;
+
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_RC2 = 0;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_RC4 = 1;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_DES = 2;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_3DES = 3;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_AES = 4;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_28147_89 = 25;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_MAGMA = 35;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_MAGMA_OMAC = 36;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_KUZNYECHIK = 45;
+        cadesplugin.CADESCOM_ENCRYPTION_ALGORITHM_GOST_KUZNYECHIK_OMAC = 46;
+
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA1 = 0;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD2 = 1;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD4 = 2;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_MD5 = 3;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_256 = 4;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_384 = 5;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_SHA_512 = 6;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411 = 100;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_256 = 101;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_512 = 102;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_HMAC = 110;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_256_HMAC = 111;
+        cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411_2012_512_HMAC = 112;
+
+        cadesplugin.CADESCOM_CERT_INFO_ROLE = 100;
+        cadesplugin.CADESCOM_ROLE_ROOT = "ROOT";
+        cadesplugin.CADESCOM_ROLE_CA = "CA";
+        cadesplugin.CADESCOM_ROLE_LEAF = "LEAF";
+
+        cadesplugin.LOG_LEVEL_DEBUG = 4;
+        cadesplugin.LOG_LEVEL_INFO = 2;
+        cadesplugin.LOG_LEVEL_ERROR = 1;
+
+        cadesplugin.CADESCOM_AllowNone = 0;
+        cadesplugin.CADESCOM_AllowNoOutstandingRequest = 0x1;
+        cadesplugin.CADESCOM_AllowUntrustedCertificate = 0x2;
+        cadesplugin.CADESCOM_AllowUntrustedRoot = 0x4;
+        cadesplugin.CADESCOM_SkipInstallToStore = 0x10000000;
+        cadesplugin.CADESCOM_InstallCertChainToContainer = 0x20000000;
+        cadesplugin.CADESCOM_UseContainerStore = 0x40000000;
+
+        cadesplugin.ContextNone = 0;
+        cadesplugin.ContextUser = 0x1;
+        cadesplugin.ContextMachine = 0x2;
+        cadesplugin.ContextAdministratorForceMachine = 0x3;
+
+        cadesplugin.ENABLE_CARRIER_TYPE_CSP = 0x01;
+        cadesplugin.ENABLE_CARRIER_TYPE_FKC_NO_SM = 0x02;
+        cadesplugin.ENABLE_CARRIER_TYPE_FKC_SM = 0x04;
+        cadesplugin.ENABLE_ANY_CARRIER_TYPE = 0x07;
+
+        cadesplugin.DISABLE_EVERY_CARRIER_OPERATION = 0x00;
+        cadesplugin.ENABLE_CARRIER_OPEN_ENUM = 0x01;
+        cadesplugin.ENABLE_CARRIER_CREATE = 0x02;
+        cadesplugin.ENABLE_ANY_OPERATION = 0x03;
+
+        cadesplugin.CADESCOM_PRODUCT_CSP = 0;
+        cadesplugin.CADESCOM_PRODUCT_OCSP = 1;
+        cadesplugin.CADESCOM_PRODUCT_TSP = 2;
+
+        cadesplugin.MEDIA_TYPE_DEFAULT = 0x00000000;
+        cadesplugin.MEDIA_TYPE_REGISTRY = 0x00000001;
+        cadesplugin.MEDIA_TYPE_HDIMAGE = 0x00000002;
+        cadesplugin.MEDIA_TYPE_CLOUD = 0x00000004;
+        cadesplugin.MEDIA_TYPE_SCARD = 0x00000008;
+
+        cadesplugin.XCN_CRYPT_STRING_BASE64HEADER = 0;
+        cadesplugin.XCN_CRYPT_STRING_BASE64 = 0x1;
+        cadesplugin.XCN_CRYPT_STRING_BINARY = 0x2;
+        cadesplugin.XCN_CRYPT_STRING_BASE64REQUESTHEADER = 0x3;
+        cadesplugin.XCN_CRYPT_STRING_HEX = 0x4;
+        cadesplugin.XCN_CRYPT_STRING_HEXASCII = 0x5;
+        cadesplugin.XCN_CRYPT_STRING_BASE64_ANY = 0x6;
+        cadesplugin.XCN_CRYPT_STRING_ANY = 0x7;
+        cadesplugin.XCN_CRYPT_STRING_HEX_ANY = 0x8;
+        cadesplugin.XCN_CRYPT_STRING_BASE64X509CRLHEADER = 0x9;
+        cadesplugin.XCN_CRYPT_STRING_HEXADDR = 0xa;
+        cadesplugin.XCN_CRYPT_STRING_HEXASCIIADDR = 0xb;
+        cadesplugin.XCN_CRYPT_STRING_HEXRAW = 0xc;
+        cadesplugin.XCN_CRYPT_STRING_BASE64URI = 0xd;
+        cadesplugin.XCN_CRYPT_STRING_ENCODEMASK = 0xff;
+        cadesplugin.XCN_CRYPT_STRING_CHAIN = 0x100;
+        cadesplugin.XCN_CRYPT_STRING_TEXT = 0x200;
+        cadesplugin.XCN_CRYPT_STRING_PERCENTESCAPE = 0x8000000;
+        cadesplugin.XCN_CRYPT_STRING_HASHDATA = 0x10000000;
+        cadesplugin.XCN_CRYPT_STRING_STRICT = 0x20000000;
+        cadesplugin.XCN_CRYPT_STRING_NOCRLF = 0x40000000;
+        cadesplugin.XCN_CRYPT_STRING_NOCR = 0x80000000;
+
+        cadesplugin.XCN_CERT_NAME_STR_NONE = 0;
+        cadesplugin.XCN_AT_NONE = 0;
+        cadesplugin.XCN_AT_KEYEXCHANGE = 1;
+        cadesplugin.XCN_AT_SIGNATURE = 2;
+
+        cadesplugin.AT_KEYEXCHANGE = 1;
+        cadesplugin.AT_SIGNATURE = 2;
+
+        cadesplugin.CARRIER_FLAG_REMOVABLE = 1;
+        cadesplugin.CARRIER_FLAG_UNIQUE = 2;
+        cadesplugin.CARRIER_FLAG_PROTECTED = 4;
+        cadesplugin.CARRIER_FLAG_FUNCTIONAL_CARRIER = 8;
+        cadesplugin.CARRIER_FLAG_SECURE_MESSAGING = 16;
+        cadesplugin.CARRIER_FLAG_ABLE_SET_KEY = 32;
+        cadesplugin.CARRIER_FLAG_ABLE_VISUALISE_SIGNATURE = 64;
+        cadesplugin.CARRIER_FLAG_VIRTUAL = 128;
+
+        cadesplugin.CRYPT_MODE_CBCSTRICT = 1;
+        cadesplugin.CRYPT_MODE_CNT = 3;
+        cadesplugin.CRYPT_MODE_CBCRFC4357 = 31;
+        cadesplugin.CRYPT_MODE_CTR = 32;
+        cadesplugin.CRYPT_MODE_MGM = 33;
+        cadesplugin.CRYPT_MODE_GCM = 34;
+        cadesplugin.CRYPT_MODE_OMAC_CTR = 35;
+        cadesplugin.CRYPT_MODE_WRAP = 36;
+        cadesplugin.CRYPT_MODE_WRAP_PAD = 37;
+
+        cadesplugin.PKCS5_PADDING = 1;
+        cadesplugin.RANDOM_PADDING = 2;
+        cadesplugin.ZERO_PADDING = 3;
+        cadesplugin.ISO10126_PADDING = 4;
+        cadesplugin.ANSI_X923_PADDING = 5;
+        cadesplugin.TLS_1_0_PADDING = 6;
+        cadesplugin.ISO_IEC_7816_4_PADDING = 7;
+
+        cadesplugin.CAPICOM_STORE_SAVE_AS_SERIALIZED = 0;
+        cadesplugin.CAPICOM_STORE_SAVE_AS_PKCS7 = 1;
+
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_W = 0x00;
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_IR = 0x01;
+        cadesplugin.CADESCOM_IDSCANNER_IMAGE_TYPE_UV = 0x02;
+
+        cadesplugin.CERT_TRUST_NO_ERROR = 0x00000000;
+        cadesplugin.CERT_TRUST_IS_NOT_TIME_VALID = 0x00000001;
+        cadesplugin.CERT_TRUST_IS_REVOKED = 0x00000004;
+        cadesplugin.CERT_TRUST_IS_NOT_SIGNATURE_VALID = 0x00000008;
+        cadesplugin.CERT_TRUST_IS_NOT_VALID_FOR_USAGE = 0x00000010;
+        cadesplugin.CERT_TRUST_IS_UNTRUSTED_ROOT = 0x00000020;
+        cadesplugin.CERT_TRUST_REVOCATION_STATUS_UNKNOWN = 0x00000040;
+        cadesplugin.CERT_TRUST_IS_CYCLIC = 0x00000080;
+        cadesplugin.CERT_TRUST_INVALID_EXTENSION = 0x00000100;
+        cadesplugin.CERT_TRUST_INVALID_POLICY_CONSTRAINTS = 0x00000200;
+        cadesplugin.CERT_TRUST_INVALID_BASIC_CONSTRAINTS = 0x00000400;
+        cadesplugin.CERT_TRUST_INVALID_NAME_CONSTRAINTS = 0x00000800;
+        cadesplugin.CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT = 0x00001000;
+        cadesplugin.CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT = 0x00002000;
+        cadesplugin.CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT = 0x00004000;
+        cadesplugin.CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT = 0x00008000;
+        cadesplugin.CERT_TRUST_IS_OFFLINE_REVOCATION = 0x01000000;
+        cadesplugin.CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY = 0x02000000;
+        cadesplugin.CERT_TRUST_IS_EXPLICIT_DISTRUST = 0x04000000;
+        cadesplugin.CERT_TRUST_HAS_NOT_SUPPORTED_CRITICAL_EXT = 0x08000000;
+        cadesplugin.CERT_TRUST_HAS_WEAK_SIGNATURE = 0x00100000;
+
+        cadesplugin.XCN_CERT_NO_KEY_USAGE = 0;
+        cadesplugin.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE = 0x80;
+        cadesplugin.XCN_CERT_NON_REPUDIATION_KEY_USAGE = 0x40;
+        cadesplugin.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE = 0x20;
+        cadesplugin.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE = 0x10;
+        cadesplugin.XCN_CERT_KEY_AGREEMENT_KEY_USAGE = 0x8;
+        cadesplugin.XCN_CERT_KEY_CERT_SIGN_KEY_USAGE = 0x4;
+        cadesplugin.XCN_CERT_OFFLINE_CRL_SIGN_KEY_USAGE = 0x2;
+        cadesplugin.XCN_CERT_CRL_SIGN_KEY_USAGE = 0x2;
+        cadesplugin.XCN_CERT_ENCIPHER_ONLY_KEY_USAGE = 0x1;
+        cadesplugin.XCN_CERT_DECIPHER_ONLY_KEY_USAGE = 0x8000;
+
+        cadesplugin.CADESCOM_XADES_ACCEPT_ANY_ID_ATTR_NAMESPACE = 1;
+        cadesplugin.CADES_USE_OCSP_AUTHORIZED_POLICY = 0x00020000;
+
+        cadesplugin.XCN_NCRYPT_NO_OPERATION = 0;
+        cadesplugin.XCN_NCRYPT_CIPHER_OPERATION = 0x1;
+        cadesplugin.XCN_NCRYPT_HASH_OPERATION = 0x2;
+        cadesplugin.XCN_NCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION = 0x4;
+        cadesplugin.XCN_NCRYPT_SECRET_AGREEMENT_OPERATION = 0x8;
+        cadesplugin.XCN_NCRYPT_SIGNATURE_OPERATION = 0x10;
+        cadesplugin.XCN_NCRYPT_RNG_OPERATION = 0x20;
+
+        cadesplugin.XCN_CRYPT_ANY_GROUP_ID = 0;
+        cadesplugin.XCN_CRYPT_HASH_ALG_OID_GROUP_ID = 1;
+        cadesplugin.XCN_CRYPT_ENCRYPT_ALG_OID_GROUP_ID = 2;
+        cadesplugin.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID = 3;
+        cadesplugin.XCN_CRYPT_SIGN_ALG_OID_GROUP_ID = 4;
+        cadesplugin.XCN_CRYPT_RDN_ATTR_OID_GROUP_ID = 5;
+        cadesplugin.XCN_CRYPT_EXT_OR_ATTR_OID_GROUP_ID = 6;
+        cadesplugin.XCN_CRYPT_ENHKEY_USAGE_OID_GROUP_ID = 7;
+        cadesplugin.XCN_CRYPT_POLICY_OID_GROUP_ID = 8;
+        cadesplugin.XCN_CRYPT_TEMPLATE_OID_GROUP_ID = 9;
+
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_ANY = 0;
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_SIGN_KEY_FLAG = 0x80000000;
+        cadesplugin.XCN_CRYPT_OID_INFO_PUBKEY_ENCRYPT_KEY_FLAG = 0x40000000;
+
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_DISABLED = 0;
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_ENABLED = 1;
+        cadesplugin.CONTROL_KEY_TIME_VALIDITY_STRICT = 2;
+
+        cadesplugin.AlgorithmFlagsNone = 0;
+        cadesplugin.AlgorithmFlagsWrap = 0x1;
+    }
+
+    function async_spawn(generatorFunc) {
+        function continuer(verb, arg) {
+            var result;
+            try {
+                result = generator[verb](arg);
+            } catch (err) {
+                return window.Promise.reject(err);
+            }
+            if (result.done) {
+                return result.value;
+            } else {
+                return window.Promise.resolve(result.value).then(onFulfilled, onRejected);
+            }
+        }
+        var generator = generatorFunc(Array.prototype.slice.call(arguments, 1));
+        var onFulfilled = continuer.bind(continuer, "next");
+        var onRejected = continuer.bind(continuer, "throw");
+        return onFulfilled();
+    }
+
+    function isIE() {
+        return (browserSpecs.name === 'IE' || browserSpecs.name === 'MSIE');
+    }
+
+    function isIOS() {
+        return (window.navigator.userAgent.match(/ipod/i) ||
+            window.navigator.userAgent.match(/ipad/i) ||
+            window.navigator.userAgent.match(/iphone/i));
+    }
+
+    function isNativeMessageSupported() {
+        if (isIE()) {
+            return false;
+        }
+        if (browserSpecs.name === 'Edg') {
+            return true;
+        }
+        if (browserSpecs.name === 'YaBrowser') {
+            isYandex = true;
+            return true;
+        }
+        if (browserSpecs.name === 'Opera') {
+            isOpera = true;
+            return (browserSpecs.version >= 33);
+        }
+        if (browserSpecs.name === 'Firefox') {
+            isFireFox = true;
+            return (browserSpecs.version >= 52);
+        }
+        if (browserSpecs.name === 'Chrome') {
+            return (browserSpecs.version >= 42);
+        }
+        if (browserSpecs.name === 'Safari') {
+            isSafari = true;
+            return (browserSpecs.version >= 12);
+        }
+    }
+
+    function untrustedSitesHandle(msg) {
+        if (window.cadesplugin_untrusted_sites_disabled_callback) {
+            window.cadesplugin_untrusted_sites_disabled_callback(msg);
+        } else {
+            if (!untrusted_sites_message_shown) {
+                untrusted_sites_message_shown = true;
+                alert("Данный сайт отсутствует в Списке доверенных узлов. Работа плагина плагина на таких сайтах запрещена. Обратитесь к Администратору.");
+            }
+        }
+    }
+
+    function CreateObject(name) {
+        if (isIOS()) {
+            return call_ru_cryptopro_npcades_10_native_bridge("CreateObject", [name]);
+        }
+        var objWebClassFactory;
+        if (isIE()) {
+            if (name.match(/X509Enrollment/i)) {
+                try {
+                    objWebClassFactory = document.getElementById("webClassFactory");
+                    return objWebClassFactory.CreateObject(name);
+                }
+                catch (e) {
+                    var err = cadesplugin.getLastError(e);
+                    if (err.indexOf("0xC2110F00") !== -1) {
+                        var msg = "Данный сайт отсутствует в Списке доверенных узлов. (0xC2110F00)";
+                        untrustedSitesHandle(msg);
+                        throw (msg);
+                    }
+                    try {
+                        var objCertEnrollClassFactory = document.getElementById("certEnrollClassFactory");
+                        return objCertEnrollClassFactory.CreateObject(name);
+                    }
+                    catch (err) {
+                        throw ("Для создания обьектов X509Enrollment следует настроить веб-узел на использование проверки подлинности по протоколу HTTPS");
+                    }
+                }
+            }
+            try {
+                objWebClassFactory = document.getElementById("webClassFactory");
+                return objWebClassFactory.CreateObject(name);
+            } catch (e) {
+                var err = cadesplugin.getLastError(e);
+                if (err.indexOf("0xC2110F00") !== -1) {
+                    var msg = "Данный сайт отсутствует в Списке доверенных узлов. (0xC2110F00)";
+                    untrustedSitesHandle(msg);
+                    throw (msg);
+                }
+                return new window.ActiveXObject(name);
+            }
+        }
+        return pluginObject.CreateObject(name);
+    }
+
+    function decimalToHexString(number) {
+        if (number < 0) {
+            number = 0xFFFFFFFF + number + 1;
+        }
+
+        return number.toString(16).toUpperCase();
+    }
+
+    function GetMessageFromException(e) {
+        var err = e.message;
+        if (!err) {
+            err = e;
+        } else if (e.number) {
+            err += " (0x" + decimalToHexString(e.number) + ")";
+        }
+        return err;
+    }
+
+    function getLastError(exception) {
+        if (isNativeMessageSupported() || isIE() || isIOS()) {
+            return GetMessageFromException(exception);
+        }
+
+        try {
+            return pluginObject.getLastError();
+        } catch (e) {
+            return GetMessageFromException(exception);
+        }
+    }
+
+    function ReleasePluginObjects() {
+        return cpcsp_chrome_nmcades.ReleasePluginObjects();
+    }
+
+    function CreateObjectAsync(name) {
+        return pluginObject.CreateObjectAsync(name);
+    }
+
+    var ru_cryptopro_npcades_10_native_bridge = {
+        callbacksCount: 1,
+        callbacks: {},
+
+        resultForCallback: function resultForCallback(callbackId, resultArray) {
+            var callback = ru_cryptopro_npcades_10_native_bridge.callbacks[callbackId];
+            if (!callback) {
+                return;
+            }
+            callback.apply(null, resultArray);
+        },
+
+        call: function call(functionName, args, callback) {
+            var hasCallback = callback && typeof callback === "function";
+            var callbackId = hasCallback ? ru_cryptopro_npcades_10_native_bridge.callbacksCount++ : 0;
+
+            if (hasCallback) {
+                ru_cryptopro_npcades_10_native_bridge.callbacks[callbackId] = callback;
+            }
+
+            var iframe = document.createElement("IFRAME");
+            var arrObjs = new Array("_CPNP_handle");
+            try {
+                iframe.setAttribute("src", "cpnp-js-call:" + functionName + ":" + callbackId + ":" + encodeURIComponent(window.JSON.stringify(args, arrObjs)));
+            } catch (e) {
+                window.alert(e);
+            }
+            document.documentElement.appendChild(iframe);
+            iframe.parentNode.removeChild(iframe);
+            iframe = null;
+        }
+    };
+
+    function call_ru_cryptopro_npcades_10_native_bridge(functionName, array) {
+        var tmpobj;
+        var ex;
+        ru_cryptopro_npcades_10_native_bridge.call(functionName, array, function (e, response) {
+            ex = e;
+            var tmpobj = "";
+            try {
+                tmpobj = window.JSON.parse(response);
+            }
+            catch (err) {
+                tmpobj = response;
+            }
+            if (typeof tmpobj === "string") {
+                tmpobj = tmpobj.replace(/\\\n/gm, "\n");
+                tmpobj = tmpobj.replace(/\\\r/gm, "\r");
+            }
+        });
+        if (ex) {
+            throw ex;
+        }
+        return tmpobj;
+    }
+
+    function show_firefox_missing_extension_dialog() {
+        if (!window.cadesplugin_skip_extension_install) {
+            var ovr = document.createElement('div');
+            ovr.id = "cadesplugin_ovr";
+            ovr.style = "visibility: hidden; position: fixed; left: 0; top: 0; width:100%; height:100%; background-color: rgba(0,0,0,0.7)";
+            ovr.innerHTML = "<div id='cadesplugin_ovr_item' style='position:relative; max-width:400px; margin:100px auto; background-color:#fff; border:2px solid #000; padding:10px; text-align:center; opacity: 1; z-index: 1500'>" +
+                "<button id='cadesplugin_close_install' style='float: right; font-size: 10px; background: transparent; border: 1; margin: -5px'>X</button>" +
+                "<p>Для работы КриптоПро ЭЦП Browser plugin на данном сайте необходимо расширение для браузера. Убедитесь, что оно у Вас включено или установите его." +
+                "<p><a href='https://www.cryptopro.ru/sites/default/files/products/cades/extensions/firefox_cryptopro_extension_latest.xpi'>Скачать расширение</a></p>" +
+                "</div>";
+            document.getElementsByTagName("Body")[0].appendChild(ovr);
+            document.getElementById("cadesplugin_close_install").addEventListener('click', function () {
+                plugin_loaded_error("Плагин недоступен");
+                document.getElementById("cadesplugin_ovr").style.visibility = 'hidden';
+            });
+
+            ovr.addEventListener('click', function () {
+                plugin_loaded_error("Плагин недоступен");
+                document.getElementById("cadesplugin_ovr").style.visibility = 'hidden';
+            });
+            ovr.style.visibility = "visible";
+        }
+    }
+
+    function firefox_or_safari_nmcades_onload() {
+        if (window.cadesplugin_extension_loaded_callback) {
+            window.cadesplugin_extension_loaded_callback();
+        }
+        isFireFoxExtensionLoaded = true;
+        cpcsp_chrome_nmcades.check_chrome_plugin(plugin_loaded, plugin_loaded_error);
+    }
+
+    function load_js_script(url, successFunc, errorFunc) {
+        var script = document.createElement("script");
+        script.setAttribute("type", "text/javascript");
+        script.setAttribute("src", url);
+        script.onerror = errorFunc;
+        script.onload = successFunc;
+        document.getElementsByTagName("head")[0].appendChild(script);
+    }
+
+    function nmcades_api_onload() {
+        if (!isIE() && !isFireFox && !isSafari) {
+            if (window.cadesplugin_extension_loaded_callback) {
+                window.cadesplugin_extension_loaded_callback();
+            }
+        }
+        window.postMessage("cadesplugin_echo_request", "*");
+        window.addEventListener("message", function (event) {
+            if (typeof (event.data) !== "string" || !event.data.match("cadesplugin_loaded")) {
+                return;
+            }
+            if (cadesplugin_loaded_event_recieved) {
+                return;
+            }
+            if (isFireFox || isSafari) {
+                var url = event.data.substring(event.data.indexOf("url:") + 4);
+                if (!url.match("^(moz|safari)-extension://[a-zA-Z0-9/_-]+/nmcades_plugin_api.js$")) {
+                    cpcsp_console_log(cadesplugin.LOG_LEVEL_ERROR, "Bad url \"" + url + "\" for load CryptoPro Extension for CAdES Browser plug-in");
+                    plugin_loaded_error();
+                    return;
+                }
+                load_js_script(url, firefox_or_safari_nmcades_onload, plugin_loaded_error);
+            } else {
+                cpcsp_chrome_nmcades.check_chrome_plugin(plugin_loaded, plugin_loaded_error);
+            }
+            cadesplugin_loaded_event_recieved = true;
+        }, false);
+    }
+
+    function load_extension() {
+        if (isFireFox || isSafari) {
+            nmcades_api_onload();
+            return;
+        }
+        var operaUrl = "chrome-extension://epebfcehmdedogndhlcacafjaacknbcm/nmcades_plugin_api.js";
+        var manifestv2Url = "chrome-extension://iifchhfnnmpdbibifmljnfjhpififfog/nmcades_plugin_api.js";
+        var manifestv3Url = "chrome-extension://pfhgbfnnjiafkhfdkmpiflachepdcjod/nmcades_plugin_api.js";
+        if (isYandex) {
+            load_js_script(operaUrl, nmcades_api_onload, function () {
+                load_js_script(manifestv2Url, nmcades_api_onload, function () {
+                    load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+                });
+            });
+            return;
+        }
+        if (isOpera) {
+            load_js_script(manifestv2Url, nmcades_api_onload, function () {
+                load_js_script(operaUrl, nmcades_api_onload, function () {
+                    load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+                });
+            });
+            return;
+        }
+        load_js_script(manifestv2Url, nmcades_api_onload, function () {
+            load_js_script(manifestv3Url, nmcades_api_onload, plugin_loaded_error);
+        });
+    }
+
+    function load_npapi_plugin() {
+        var elem = document.createElement('object');
+        elem.setAttribute("id", "cadesplugin_object");
+        elem.setAttribute("type", "application/x-cades");
+        elem.setAttribute("style", "visibility: hidden");
+        document.getElementsByTagName("body")[0].appendChild(elem);
+        pluginObject = document.getElementById("cadesplugin_object");
+        if (isIE()) {
+            var elem1 = document.createElement('object');
+            elem1.setAttribute("id", "certEnrollClassFactory");
+            elem1.setAttribute("classid", "clsid:884e2049-217d-11da-b2a4-000e7bbb2b09");
+            elem1.setAttribute("style", "visibility: hidden");
+            document.getElementsByTagName("body")[0].appendChild(elem1);
+            var elem2 = document.createElement('object');
+            elem2.setAttribute("id", "webClassFactory");
+            elem2.setAttribute("classid", "clsid:B04C8637-10BD-484E-B0DA-B8A039F60024");
+            elem2.setAttribute("style", "visibility: hidden");
+            document.getElementsByTagName("body")[0].appendChild(elem2);
+        }
+    }
+
+    function plugin_loaded() {
+        plugin_resolved = 1;
+        if (window.cadesplugin_plugin_loaded_callback)
+            window.cadesplugin_plugin_loaded_callback();
+        if (canPromise) {
+            plugin_resolve();
+        } else {
+            window.postMessage("cadesplugin_loaded", "*");
+        }
+    }
+
+    function plugin_loaded_error(msg) {
+        if (typeof (msg) === 'undefined' || typeof (msg) === 'object') {
+            msg = "Плагин недоступен";
+        }
+        plugin_resolved = 1;
+        if (canPromise) {
+            plugin_reject(msg);
+        } else {
+            window.postMessage("cadesplugin_load_error", "*");
+        }
+    }
+
+    function check_load_timeout() {
+        if (plugin_resolved === 1) {
+            return;
+        }
+        if (isFireFox && !isFireFoxExtensionLoaded) {
+            show_firefox_missing_extension_dialog();
+        }
+        plugin_resolved = 1;
+        if (window.cadesplugin_timeout_failed_callback)
+            window.cadesplugin_timeout_failed_callback();
+        if (canPromise) {
+            plugin_reject("Истекло время ожидания загрузки плагина");
+        } else {
+            window.postMessage("cadesplugin_load_error", "*");
+        }
+    }
+
+    function check_npapi_plugin() {
+        try {
+            CreateObject("CAdESCOM.About");
+            plugin_loaded();
+        } catch (err) {
+            document.getElementById("cadesplugin_object").style.display = 'none';
+            var mimetype = window.navigator.mimeTypes["application/x-cades"];
+            if (mimetype) {
+                var plugin = mimetype.enabledPlugin;
+                if (plugin) {
+                    plugin_loaded_error("Плагин загружен, но не создаются обьекты");
+                } else {
+                    plugin_loaded_error("Ошибка при загрузке плагина");
+                }
+            } else {
+                plugin_loaded_error("Плагин недоступен");
+            }
+        }
+    }
+
+    function check_plugin_working() {
+        var div = document.createElement("div");
+        div.innerHTML = "<!--[if lt IE 9]><i></i><![endif]-->";
+        var isIeLessThan9 = (div.getElementsByTagName("i").length === 1);
+        if (isIeLessThan9) {
+            plugin_loaded_error("Internet Explorer версии 8 и ниже не поддерживается");
+            return;
+        }
+
+        if (isNativeMessageSupported()) {
+            load_extension();
+        } else if (!canPromise) {
+            window.addEventListener("message", function (event) {
+                if (event.data !== "cadesplugin_echo_request") {
+                    return;
+                }
+                load_npapi_plugin();
+                check_npapi_plugin();
+            }, false);
+        } else {
+            if (document.readyState === "complete") {
+                load_npapi_plugin();
+                check_npapi_plugin();
+            } else {
+                window.addEventListener("load", function (event) {
+                    load_npapi_plugin();
+                    check_npapi_plugin();
+                }, false);
+            }
+        }
+    }
+
+    function set_pluginObject(obj) {
+        pluginObject = obj;
+    }
+
+    function is_capilite_enabled() {
+        return ((typeof (cadesplugin.EnableInternalCSP) !== 'undefined') && cadesplugin.EnableInternalCSP);
+    }
+
+    function set_load_timeout() {
+        if (window.cadesplugin_load_timeout) {
+            window.setTimeout(check_load_timeout, window.cadesplugin_load_timeout);
+        } else {
+            window.setTimeout(check_load_timeout, 20000);
+        }
+    }
+
+    var onVisibilityChange = function (event) {
+        if (document.hidden === false) {
+            document.removeEventListener("visibilitychange", onVisibilityChange);
+            set_load_timeout();
+            check_plugin_working();
+        }
+    };
+
+    cadesplugin.JSModuleVersion = "2.4.5";
+    cadesplugin.async_spawn = async_spawn;
+    cadesplugin.set = set_pluginObject;
+    cadesplugin.set_log_level = set_log_level;
+    cadesplugin.get_extension_version = get_extension_version;
+    cadesplugin.get_extension_id = get_extension_id;
+    cadesplugin.getLastError = getLastError;
+    cadesplugin.is_capilite_enabled = is_capilite_enabled;
+
+    if (isNativeMessageSupported()) {
+        cadesplugin.CreateObjectAsync = CreateObjectAsync;
+        cadesplugin.ReleasePluginObjects = ReleasePluginObjects;
+    }
+
+    if (!isNativeMessageSupported()) {
+        cadesplugin.CreateObject = CreateObject;
+    }
+
+    set_constantValues();
+
+    cadesplugin.current_log_level = cadesplugin.LOG_LEVEL_ERROR;
+    window.cadesplugin = cadesplugin;
+    if (isSafari && document.hidden) {
+        document.addEventListener("visibilitychange", onVisibilityChange);
+        return;
+    }
+    set_load_timeout();
+    check_plugin_working();
+}());
+
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index c8394fc..c7c4f49 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -45,8 +45,7 @@ export default function App() {
             Авторизация
           </button>
           <button onClick={() => setPage('check')}
-            style={navBtnStyle(page === 'check')}
-            disabled={!authenticated}>
+            style={navBtnStyle(page === 'check')}>
             Проверка кода
           </button>
           <button onClick={() => setPage('upload')}