1 files changed, 24 insertions, 0 deletions
diff --git a/verify.py b/verify.py
new file mode 100644
index 0000000..71bc1e1
--- /dev/null
+++ b/verify.py
@@ -0,0 +1,24 @@
+import base64
+
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric import padding
+
+sig = base64.b64decode("base64EncodedSignature==")
+
+payload = '{"id":"01/IL/ABCD1234ABCD1234ABCD1234ABCD1234#ABCD1234","et":1,"ct":1,"c":"IL MOH","cn":null,"fn":null,"g":null,"f":null,"gl":null,"fl":null,"idp":null,"idl":null,"b":"0001-01-01","e":"0001-01-01","a":"0001-01-01","p":[{"idl":"0123456789","e":"2021-01-01"}]}'
+
+pl = payload.encode("utf-8")
+
+h = hashes.Hash(hashes.SHA256())
+h.update(pl)
+digest = h.finalize()
+
+with open("certs/RamzorQRPubKey.pem", "rb") as f:
+    k = serialization.load_pem_public_key(f.read())
+    k.verify(
+        sig,
+        digest,
+        padding.PKCS1v15(),
+        hashes.SHA256(),
+    )