diff --git a/s3tests_boto3/functional/test_s3.py b/s3tests_boto3/functional/test_s3.py
index dbd8e75..5ad70ec 100644
--- a/s3tests_boto3/functional/test_s3.py
+++ b/s3tests_boto3/functional/test_s3.py
@@ -10077,6 +10077,44 @@ def test_encryption_sse_c_post_object_authenticated_request():
     body = _get_body(response)
     assert body == 'bar'
 
+
+@pytest.mark.encryption
+@pytest.mark.fails_on_dbstore
+def test_encryption_sse_c_enforced_with_bucket_policy():
+    bucket_name = get_new_bucket()
+    client = get_client()
+
+    deny_incorrect_algo = {
+        "StringNotEquals": {
+          "s3:x-amz-server-side-encryption-customer-algorithm": "AES256"
+        }
+    }
+
+    deny_unencrypted_obj = {
+        "Null" : {
+          "s3:x-amz-server-side-encryption-customer-algorithm": "true"
+        }
+    }
+
+    p = Policy()
+    resource = _make_arn_resource("{}/{}".format(bucket_name, "*"))
+
+    s1 = Statement("s3:PutObject", resource, effect="Deny", condition=deny_incorrect_algo)
+    s2 = Statement("s3:PutObject", resource, effect="Deny", condition=deny_unencrypted_obj)
+    policy_document = p.add_statement(s1).add_statement(s2).to_json()
+
+    client.put_bucket_policy(Bucket=bucket_name, Policy=policy_document)
+
+    check_access_denied(client.put_object, Bucket=bucket_name, Key='foo', Body='bar')
+
+    client.put_object(
+        Bucket=bucket_name, Key='foo', Body='bar',
+        SSECustomerAlgorithm='AES256',
+        SSECustomerKey='pO3upElrwuEXSoFwCfnZPdSsmt/xWeFa0N9KgDijwVs=',
+        SSECustomerKeyMD5='DWygnHRtgiJ77HCm+1rvHw=='
+    )
+
+
 @pytest.mark.encryption
 @pytest.mark.fails_on_dbstore
 def _test_sse_kms_customer_write(file_size, key_id = 'testkey-1'):
@@ -10102,10 +10140,6 @@ def _test_sse_kms_customer_write(file_size, key_id = 'testkey-1'):
     assert body == data
 
 
-
-
-
-
 @pytest.mark.encryption
 @pytest.mark.fails_on_dbstore
 def test_sse_kms_method_head():