Add fix for jcs suites.

digitalbazaar · Nov 6, 2024 · 664e41b · 664e41b
1 parent bd54d46
commit 664e41b
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 4 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # jsonld-signatures ChangeLog
 
+## 11.3.2 - 2024-11-xx
+
+### Fixed
+- Ensure `proof.@context` is unmodified for JCS Data Integrity Cryptosuites.
+
 ## 11.3.1 - 2024-10-02
 
 ### Fixed

diff --git a/lib/ProofSet.js b/lib/ProofSet.js
@@ -224,10 +224,14 @@ function _getProofs({document}) {
 
   // shallow copy proofs and add document context or SECURITY_CONTEXT_URL
   const context = document['@context'] || constants.SECURITY_CONTEXT_URL;
-  proofSet = proofSet.map(proof => ({
-    '@context': context,
-    ...proof
-  }));
+  proofSet = proofSet.map(proof => {
+    const {cryptosuite} = proof;
+    // JCS Data Integrity Suites require unmodified proofs
+    if(cryptosuite && cryptosuite.includes('-jcs-')) {
+      return proof;
+    }
+    return {'@context': context, ...proof};
+  });
 
   return proofSet;
 }