Add support for Ed25519 / EdDSA, with unit tests (#455)

1 files changed, 12 insertions, 0 deletions

diff --git a/jwt/algorithms.py b/jwt/algorithms.py
index 293a470..5e65d9f 100644
--- a/jwt/algorithms.py
+++ b/jwt/algorithms.py
@@ -43,6 +43,7 @@ try:
     has_crypto = True
 except ImportError:
     has_crypto = False
+    has_ed25519 = False
 
 requires_cryptography = set(
     [
@@ -56,6 +57,7 @@ requires_cryptography = set(
         "PS256",
         "PS384",
         "PS512",
+        "EdDSA",
     ]
 )
 
@@ -86,8 +88,18 @@ def get_default_algorithms():
                 "PS256": RSAPSSAlgorithm(RSAPSSAlgorithm.SHA256),
                 "PS384": RSAPSSAlgorithm(RSAPSSAlgorithm.SHA384),
                 "PS512": RSAPSSAlgorithm(RSAPSSAlgorithm.SHA512),
+                
             }
         )
+        # Older versions of the `cryptography` libraries may not have Ed25519 available.
+        # Needs a minimum of version 2.6
+        try:
+            from jwt.contrib.algorithms.py_ed25519 import Ed25519Algorithm
+            default_algorithms.update({
+                "EdDSA":   Ed25519Algorithm(),
+            })
+        except ImportError:
+            pass
 
     return default_algorithms