diff --git a/dist/lib/checksum.js b/dist/lib/checksum.js
index 010be7b..b700ed4 100644
--- a/dist/lib/checksum.js
+++ b/dist/lib/checksum.js
@@ -1,4 +1,18 @@
 "use strict";
+/*
+ * Copyright The Notary Project Authors.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     var desc = Object.getOwnPropertyDescriptor(m, k);
diff --git a/dist/lib/install.js b/dist/lib/install.js
index f3664f1..ce2c5a9 100644
--- a/dist/lib/install.js
+++ b/dist/lib/install.js
@@ -1,4 +1,18 @@
 "use strict";
+/*
+ * Copyright The Notary Project Authors.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     var desc = Object.getOwnPropertyDescriptor(m, k);
diff --git a/dist/setup.js b/dist/setup.js
index 666c4a3..f653996 100644
--- a/dist/setup.js
+++ b/dist/setup.js
@@ -1,4 +1,18 @@
 "use strict";
+/*
+ * Copyright The Notary Project Authors.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     var desc = Object.getOwnPropertyDescriptor(m, k);
diff --git a/dist/sign.js b/dist/sign.js
index 81ae005..6e65002 100644
--- a/dist/sign.js
+++ b/dist/sign.js
@@ -1,4 +1,18 @@
 "use strict";
+/*
+ * Copyright The Notary Project Authors.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     var desc = Object.getOwnPropertyDescriptor(m, k);
@@ -113,10 +127,9 @@ function setupPlugin() {
     });
 }
 function getPluginConfigList(pluginConfig) {
-    let pluginConfigList = [];
-    for (const config of pluginConfig.split(/\r|\n/)) {
-        let param = `--plugin-config=${config}`;
-        pluginConfigList.push(param);
+    let pluginConfigList = JSON.parse(pluginConfig);
+    for (let i = 0; i < pluginConfigList.length; ++i) {
+        pluginConfigList[i] = "--plugin-config=" + pluginConfigList[i];
     }
     return pluginConfigList;
 }
diff --git a/dist/sign.js.map b/dist/sign.js.map
index 0326ea1..44f2f9d 100644
--- a/dist/sign.js.map
+++ b/dist/sign.js.map
@@ -1 +1 @@
-{"version":3,"file":"sign.js","sourceRoot":"","sources":["../src/sign.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;GAaG;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAEH,oDAAsC;AACtC,oDAAsC;AACtC,wDAA0C;AAC1C,2CAA6B;AAC7B,uCAAyB;AACzB,6CAAgD;AAChD,2CAA4C;AAE5C,MAAM,WAAW,GAAG,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,CAAC;AAEjD,gDAAgD;AAChD,SAAe,IAAI;;QACf,IAAI;YACA,MAAM,WAAW,EAAE,CAAC;YACpB,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,QAAQ,EAAE,IAAI,CAAC,CAAC,CAAC;YAEvD,mBAAmB;YACnB,MAAM,MAAM,GAAG,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;YACvC,MAAM,aAAa,GAAG,IAAI,CAAC,QAAQ,CAAC,eAAe,CAAC,CAAC;YACrD,MAAM,gBAAgB,GAAG,mBAAmB,CAAC,aAAa,CAAC,CAAC;YAC5D,MAAM,mBAAmB,GAAG,IAAI,CAAC,QAAQ,CAAC,2BAA2B,CAAC,CAAC;YACvE,MAAM,gBAAgB,GAAG,IAAI,CAAC,QAAQ,CAAC,kBAAkB,CAAC,CAAC;YAE3D,oBAAoB;YACpB,IAAI,OAAO,CAAC,GAAG,CAAC,qBAAqB,EAAE;gBACnC,IAAI,aAAa,EAAE;oBACf,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,uBAAuB,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,gBAAgB,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACtM;qBAAM;oBACH,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,uBAAuB,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACjL;aACJ;iBAAM;gBACH,IAAI,aAAa,EAAE;oBACf,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,gBAAgB,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBAC7K;qBAAM;oBACH,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACxJ;aACJ;SACJ;QAAC,OAAO,CAAU,EAAE;YACjB,IAAI,CAAC,YAAY,KAAK,EAAE;gBACpB,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;aACrB;iBAAM;gBACH,IAAI,CAAC,SAAS,CAAC,oCAAoC,CAAC,CAAC;aACxD;SACJ;IACL,CAAC;CAAA;AAED,mDAAmD;AACnD,SAAe,WAAW;;QACtB,IAAI;YACA,mBAAmB;YACnB,MAAM,UAAU,GAAG,IAAI,CAAC,QAAQ,CAAC,YAAY,CAAC,CAAC;YAC/C,MAAM,eAAe,GAAG,IAAI,CAAC,QAAQ,CAAC,iBAAiB,CAAC,CAAC,WAAW,EAAE,CAAC;YACvE,OAAO,CAAC,GAAG,CAAC,yBAAyB,UAAU,EAAE,CAAC,CAAC;YAEnD,gDAAgD;YAChD,MAAM,aAAa,GAAG,MAAM,EAAE,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;YACxD,MAAM,IAAA,2BAAgB,EAAC,aAAa,EAAE,eAAe,CAAC,CAAC;YAEvD,iCAAiC;YACjC,MAAM,OAAO,GAAG,UAAU,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC;YAC5E,MAAM,UAAU,GAAG,IAAI,CAAC,IAAI,CAAC,IAAA,uBAAa,GAAE,EAAE,oBAAoB,WAAW,EAAE,CAAC,CAAC;YACjF,EAAE,CAAC,SAAS,CAAC,UAAU,EAAE,EAAE,SAAS,EAAE,IAAI,GAAG,CAAC,CAAC;YAC/C,MAAM,OAAO,CAAC,aAAa,EAAE,UAAU,CAAC,CAAC;YACzC,OAAO,CAAC,GAAG,CAAC,2CAA2C,UAAU,EAAE,CAAC,CAAC;YACrE,EAAE,CAAC,KAAK,CAAC,UAAU,EAAE,KAAK,EAAE,CAAC,GAAG,EAAE,EAAE;gBAChC,IAAI,GAAG;oBAAE,MAAM,GAAG,CAAC;gBACnB,OAAO,CAAC,GAAG,CAAC,kDAAkD,CAAC,CAAC;YACpE,CAAC,CAAC,CAAC;SACN;QAAC,OAAO,CAAU,EAAE;YACjB,IAAI,CAAC,YAAY,KAAK,EAAE;gBACpB,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;aACrB;iBAAM;gBACH,IAAI,CAAC,SAAS,CAAC,yDAAyD,CAAC,CAAC;aAC7E;SACJ;IACL,CAAC;CAAA;AAED,SAAS,mBAAmB,CAAC,YAAoB;IAC7C,IAAI,gBAAgB,GAAa,EAAE,CAAC;IACpC,KAAK,MAAM,MAAM,IAAI,YAAY,CAAC,KAAK,CAAC,OAAO,CAAC,EAAE;QAC9C,IAAI,KAAK,GAAG,mBAAmB,MAAM,EAAE,CAAC;QACxC,gBAAgB,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;KAChC;IACD,OAAO,gBAAgB,CAAC;AAC5B,CAAC;AAID,IAAI,OAAO,CAAC,IAAI,KAAK,MAAM,EAAE;IACzB,IAAI,EAAE,CAAC;CACV;AAJD,iBAAS,IAAI,CAAC"}
\ No newline at end of file
+{"version":3,"file":"sign.js","sourceRoot":"","sources":["../src/sign.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;GAaG;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAEH,oDAAsC;AACtC,oDAAsC;AACtC,wDAA0C;AAC1C,2CAA6B;AAC7B,uCAAyB;AACzB,6CAAgD;AAChD,2CAA4C;AAE5C,MAAM,WAAW,GAAG,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,CAAC;AAEjD,gDAAgD;AAChD,SAAe,IAAI;;QACf,IAAI;YACA,MAAM,WAAW,EAAE,CAAC;YACpB,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,QAAQ,EAAE,IAAI,CAAC,CAAC,CAAC;YAEvD,mBAAmB;YACnB,MAAM,MAAM,GAAG,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;YACvC,MAAM,aAAa,GAAG,IAAI,CAAC,QAAQ,CAAC,eAAe,CAAC,CAAC;YACrD,MAAM,gBAAgB,GAAG,mBAAmB,CAAC,aAAa,CAAC,CAAC;YAC5D,MAAM,mBAAmB,GAAG,IAAI,CAAC,QAAQ,CAAC,2BAA2B,CAAC,CAAC;YACvE,MAAM,gBAAgB,GAAG,IAAI,CAAC,QAAQ,CAAC,kBAAkB,CAAC,CAAC;YAE3D,oBAAoB;YACpB,IAAI,OAAO,CAAC,GAAG,CAAC,qBAAqB,EAAE;gBACnC,IAAI,aAAa,EAAE;oBACf,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,uBAAuB,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,gBAAgB,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACtM;qBAAM;oBACH,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,uBAAuB,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACjL;aACJ;iBAAM;gBACH,IAAI,aAAa,EAAE;oBACf,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,gBAAgB,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBAC7K;qBAAM;oBACH,MAAM,IAAI,CAAC,aAAa,CAAC,UAAU,EAAE,CAAC,MAAM,EAAE,oBAAoB,EAAE,gBAAgB,EAAE,MAAM,EAAE,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,mBAAmB,CAAC,CAAC,CAAC;iBACxJ;aACJ;SACJ;QAAC,OAAO,CAAU,EAAE;YACjB,IAAI,CAAC,YAAY,KAAK,EAAE;gBACpB,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;aACrB;iBAAM;gBACH,IAAI,CAAC,SAAS,CAAC,oCAAoC,CAAC,CAAC;aACxD;SACJ;IACL,CAAC;CAAA;AAED,mDAAmD;AACnD,SAAe,WAAW;;QACtB,IAAI;YACA,mBAAmB;YACnB,MAAM,UAAU,GAAG,IAAI,CAAC,QAAQ,CAAC,YAAY,CAAC,CAAC;YAC/C,MAAM,eAAe,GAAG,IAAI,CAAC,QAAQ,CAAC,iBAAiB,CAAC,CAAC,WAAW,EAAE,CAAC;YACvE,OAAO,CAAC,GAAG,CAAC,yBAAyB,UAAU,EAAE,CAAC,CAAC;YAEnD,gDAAgD;YAChD,MAAM,aAAa,GAAG,MAAM,EAAE,CAAC,YAAY,CAAC,UAAU,CAAC,CAAC;YACxD,MAAM,IAAA,2BAAgB,EAAC,aAAa,EAAE,eAAe,CAAC,CAAC;YAEvD,iCAAiC;YACjC,MAAM,OAAO,GAAG,UAAU,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC;YAC5E,MAAM,UAAU,GAAG,IAAI,CAAC,IAAI,CAAC,IAAA,uBAAa,GAAE,EAAE,oBAAoB,WAAW,EAAE,CAAC,CAAC;YACjF,EAAE,CAAC,SAAS,CAAC,UAAU,EAAE,EAAE,SAAS,EAAE,IAAI,GAAG,CAAC,CAAC;YAC/C,MAAM,OAAO,CAAC,aAAa,EAAE,UAAU,CAAC,CAAC;YACzC,OAAO,CAAC,GAAG,CAAC,2CAA2C,UAAU,EAAE,CAAC,CAAC;YACrE,EAAE,CAAC,KAAK,CAAC,UAAU,EAAE,KAAK,EAAE,CAAC,GAAG,EAAE,EAAE;gBAChC,IAAI,GAAG;oBAAE,MAAM,GAAG,CAAC;gBACnB,OAAO,CAAC,GAAG,CAAC,kDAAkD,CAAC,CAAC;YACpE,CAAC,CAAC,CAAC;SACN;QAAC,OAAO,CAAU,EAAE;YACjB,IAAI,CAAC,YAAY,KAAK,EAAE;gBACpB,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;aACrB;iBAAM;gBACH,IAAI,CAAC,SAAS,CAAC,yDAAyD,CAAC,CAAC;aAC7E;SACJ;IACL,CAAC;CAAA;AAED,SAAS,mBAAmB,CAAC,YAAoB;IAC7C,IAAI,gBAAgB,GAAG,IAAI,CAAC,KAAK,CAAC,YAAY,CAAC,CAAC;IAChD,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,gBAAgB,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE;QAC9C,gBAAgB,CAAC,CAAC,CAAC,GAAG,kBAAkB,GAAG,gBAAgB,CAAC,CAAC,CAAC,CAAC;KAClE;IACD,OAAO,gBAAgB,CAAC;AAC5B,CAAC;AAID,IAAI,OAAO,CAAC,IAAI,KAAK,MAAM,EAAE;IACzB,IAAI,EAAE,CAAC;CACV;AAJD,iBAAS,IAAI,CAAC"}
\ No newline at end of file
diff --git a/dist/verify.js b/dist/verify.js
index e647f9c..c7e0708 100644
--- a/dist/verify.js
+++ b/dist/verify.js
@@ -1,4 +1,18 @@
 "use strict";
+/*
+ * Copyright The Notary Project Authors.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     var desc = Object.getOwnPropertyDescriptor(m, k);
diff --git a/src/sign.ts b/src/sign.ts
index fab66ea..3368685 100644
--- a/src/sign.ts
+++ b/src/sign.ts
@@ -91,10 +91,9 @@ async function setupPlugin() {
 }
 
 function getPluginConfigList(pluginConfig: string): string[] {
-    let pluginConfigList: string[] = [];
-    for (const config of pluginConfig.split(/\r|\n/)) {
-        let param = `--plugin-config=${config}`;
-        pluginConfigList.push(param);
+    let pluginConfigList = JSON.parse(pluginConfig);
+    for (let i = 0; i < pluginConfigList.length; ++i) {
+        pluginConfigList[i] = "--plugin-config=" + pluginConfigList[i];
     }
     return pluginConfigList;
 }