more signature incorrectness

opentdf · Dec 3, 2024 · fc7bcb6 · fc7bcb6
1 parent ad4db09
commit fc7bcb6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/sdk/src/main/java/io/opentdf/platform/sdk/TDF.java b/sdk/src/main/java/io/opentdf/platform/sdk/TDF.java
@@ -730,6 +730,10 @@ public Reader loadTDF(SeekableByteChannel tdf, SDK.KAS kas,
                 throw new AssertionException("assertion hash mismatch", assertion.id);
             }
 
+            if (isLegacyTdf) {
+                hashOfAssertion = Hex.encodeHexString(hashOfAssertion).getBytes(StandardCharsets.UTF_8);
+            }
+
             var signature = new byte[aggregateSignatureBytes.length + hashOfAssertion.length];
             System.arraycopy(aggregateSignatureBytes, 0, signature, 0, aggregateSignatureBytes.length);
             System.arraycopy(hashOfAssertion, 0, signature, aggregateSignatureBytes.length, hashOfAssertion.length);