From d23a1f706f0c24fade1a1c2f604009a7c9e70002 Mon Sep 17 00:00:00 2001
From: Alex Klyubin <klyubin@google.com>
Date: Fri, 27 Mar 2015 14:39:28 -0700
Subject: Symmetric key generation for AndroidKeyStore.

This currently supports AES and HMAC with SHA-256.

Bug: 18088752
Change-Id: Ife55438cf4129b895295681bb35091cd37eb73fb
---
 .../android/security/KeyStoreKeyConstraints.java   | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'keystore/java/android/security/KeyStoreKeyConstraints.java')

diff --git a/keystore/java/android/security/KeyStoreKeyConstraints.java b/keystore/java/android/security/KeyStoreKeyConstraints.java
index 01e6dcd..47bb1cc 100644
--- a/keystore/java/android/security/KeyStoreKeyConstraints.java
+++ b/keystore/java/android/security/KeyStoreKeyConstraints.java
@@ -290,6 +290,22 @@ public abstract class KeyStoreKeyConstraints {
                     throw new IllegalArgumentException("Unknown padding: " + padding);
             }
         }
+
+        /**
+         * @hide
+         */
+        public static String toString(@PaddingEnum int padding) {
+            switch (padding) {
+                case NONE:
+                    return "NONE";
+                case ZERO:
+                    return "ZERO";
+                case PKCS7:
+                    return "PKCS#7";
+                default:
+                    throw new IllegalArgumentException("Unknown padding: " + padding);
+            }
+        }
     }
 
     @Retention(RetentionPolicy.SOURCE)
@@ -425,5 +441,17 @@ public abstract class KeyStoreKeyConstraints {
                     throw new IllegalArgumentException("Unknown block mode: " + mode);
             }
         }
+
+        /**
+         * @hide
+         */
+        public static String toString(@BlockModeEnum int mode) {
+            switch (mode) {
+                case ECB:
+                    return "ECB";
+                default:
+                    throw new IllegalArgumentException("Unknown block mode: " + mode);
+            }
+        }
     }
 }
-- 
cgit v1.1