diff --git a/lemur/authorities/schemas.py b/lemur/authorities/schemas.py
index 0700c15b..7f9f57d4 100644
--- a/lemur/authorities/schemas.py
+++ b/lemur/authorities/schemas.py
@@ -23,6 +23,7 @@ from lemur.common.schema import LemurInputSchema, LemurOutputSchema
 from lemur.common import validators, missing
 
 from lemur.common.fields import ArrowDateTime
+from lemur.constants import CERTIFICATE_KEY_TYPES
 
 
 class AuthorityInputSchema(LemurInputSchema):
@@ -56,11 +57,12 @@ class AuthorityInputSchema(LemurInputSchema):
     type = fields.String(validate=validate.OneOf(["root", "subca"]), missing="root")
     parent = fields.Nested(AssociatedAuthoritySchema)
     signing_algorithm = fields.String(
-        validate=validate.OneOf(["sha256WithRSA", "sha1WithRSA"]),
+        validate=validate.OneOf(["sha256WithRSA", "sha1WithRSA",
+                                 "sha256WithECDSA", "SHA384withECDSA", "SHA512withECDSA"]),
         missing="sha256WithRSA",
     )
     key_type = fields.String(
-        validate=validate.OneOf(["RSA2048", "RSA4096"]), missing="RSA2048"
+        validate=validate.OneOf(CERTIFICATE_KEY_TYPES), missing="RSA2048"
     )
     key_name = fields.String()
     sensitivity = fields.String(
diff --git a/lemur/static/app/angular/authorities/authority/options.tpl.html b/lemur/static/app/angular/authorities/authority/options.tpl.html
index dbc4f40a..bf1ad70c 100644
--- a/lemur/static/app/angular/authorities/authority/options.tpl.html
+++ b/lemur/static/app/angular/authorities/authority/options.tpl.html
@@ -4,7 +4,7 @@
       Signing Algorithm
     </label>
     <div class="col-sm-10">
-      <select class="form-control" ng-model="authority.signingAlgorithm" ng-options="option for option in ['sha1WithRSA', 'sha256WithRSA']" ng-init="authority.signingAlgorithm = 'sha256WithRSA'"></select>
+      <select class="form-control" ng-model="authority.signingAlgorithm" ng-options="option for option in ['sha1WithRSA', 'sha256WithRSA', 'sha256WithECDSA', 'SHA384withECDSA', 'SHA512withECDSA']" ng-init="authority.signingAlgorithm = 'sha256WithRSA'"></select>
     </div>
   </div>
   <div class="form-group">
diff --git a/lemur/tests/test_authorities.py b/lemur/tests/test_authorities.py
index 9649e949..fade39e8 100644
--- a/lemur/tests/test_authorities.py
+++ b/lemur/tests/test_authorities.py
@@ -34,6 +34,29 @@ def test_authority_input_schema(client, role, issuer_plugin, logged_in_user):
     assert not errors
 
 
+def test_authority_input_schema_ecc(client, role, issuer_plugin, logged_in_user):
+    from lemur.authorities.schemas import AuthorityInputSchema
+
+    input_data = {
+        "name": "Example Authority",
+        "owner": "jim@example.com",
+        "description": "An example authority.",
+        "commonName": "An Example Authority",
+        "plugin": {
+            "slug": "test-issuer",
+            "plugin_options": [{"name": "test", "value": "blah"}],
+        },
+        "type": "root",
+        "signingAlgorithm": "sha256WithECDSA",
+        "keyType": "ECCPRIME256V1",
+        "sensitivity": "medium",
+    }
+
+    data, errors = AuthorityInputSchema().load(input_data)
+
+    assert not errors
+
+
 def test_user_authority(session, client, authority, role, user, issuer_plugin):
     u = user["user"]
     u.roles.append(role)