object signature improvements

test/spec/index.js

@@ -110,6 +110,36 @@ describe ('crypto helper', () => {
     }).not.toThrow ();
   });
 
+  it ('should sign object with key info', () => {
+    const obj = { foo: 'bar' };
+    expect (() => {
+      const str = crypto.sign_object (obj, 'baz', 'baz');
+      const res = crypto.get_signature_info (str);
+      expect (res.key_info)
+        .toEqual ('baz');
+    }).not.toThrow ();
+  });
+
+  it ('should sign object with custom properties', () => {
+    const obj = { foo: 'bar' };
+    expect (() => {
+      const str = crypto.sign_object (obj, 'baz', { bar: 'baz' });
+      const res = crypto.get_signature_info (str);
+      expect (res.bar)
+        .toEqual ('baz');
+    }).not.toThrow ();
+  });
+
+  it ('should sign object with custom override properties', () => {
+    const obj = { foo: 'bar' };
+    expect (() => {
+      const str = crypto.sign_object (obj, 'baz', { iat: 'baz' });
+      const res = crypto.get_signature_info (str);
+      expect (res.iat)
+        .toEqual ('baz');
+    }).not.toThrow ();
+  });
+
   it ('decode_signed', () => {
     const obj = { foo: 'bar' };
     const str = crypto.sign_object (obj, 'baz');
@@ -126,6 +156,24 @@ describe ('crypto helper', () => {
       .toEqual (dec);
   });
 
+  it ('should verify and return all info', () => {
+    const obj = { foo: 'bar' };
+    const str = crypto.sign_object (obj, 'baz', { iat: 'baz' });
+    const dec = crypto.verify_signature_get_info (str, 'baz');
+    expect (dec.obj)
+      .toEqual (obj);
+    expect (dec.iat)
+      .toEqual ('baz');
+  });
+
+  it ('should verify signature using function retrieved key', () => {
+    const obj = { foo: 'bar' };
+    const str = crypto.sign_object (obj, 'baz');
+    const dec = crypto.verify_signature (str, () => 'baz');
+    expect (obj)
+      .toEqual (dec);
+  });
+
   it ('should reject tampered signatures', () => {
     const obj = { foo: 'bar' };
     const str = crypto.sign_object (obj, 'baz');