feat(cryptography/actions): add output encoding field

packages/backend/src/apps/cryptography/actions/create-rsa-sha256-signature/index.js

@@ -27,20 +27,34 @@ export default defineAction({
       variables: true,
     },
     {
-      label: 'Private key',
+      label: 'Private Key',
       key: 'privateKey',
       type: 'string',
       required: true,
       description: 'The RSA private key in PEM format used for signing.',
       variables: true,
-    }
+    },
+    {
+      label: 'Output Encoding',
+      key: 'outputEncoding',
+      type: 'dropdown',
+      required: true,
+      value: 'hex',
+      description: 'Specifies the encoding format for the digital signature output. This determines how the generated signature will be represented as a string.',
+      options: [
+        { label: 'base64', value: 'base64' },
+        { label: 'base64url', value: 'base64url' },
+        { label: 'hex', value: 'hex' },
+      ],
+      variables: true,
+    },
   ],
 
   async run($) {
     const signer = crypto.createSign($.step.parameters.algorithm);
     signer.update($.step.parameters.message);
     signer.end();
-    const signature = signer.sign($.step.parameters.privateKey, 'hex');
+    const signature = signer.sign($.step.parameters.privateKey, $.step.parameters.outputEncoding);
 
     $.setActionItem({
       raw: {