From 2cace25fba3d0606540f0c187f77f3b979af195b Mon Sep 17 00:00:00 2001
From: Hubert Chathi <hubert@uhoreg.ca>
Date: Wed, 17 Oct 2018 22:29:01 -0400
Subject: add functions for dealing with private keys directly

---
 .../src/main/java/org/matrix/olm/OlmException.java |  2 ++
 .../main/java/org/matrix/olm/OlmPkDecryption.java  | 23 ++++++++++++++++++++++
 2 files changed, 25 insertions(+)

(limited to 'android/olm-sdk/src/main/java/org/matrix')

diff --git a/android/olm-sdk/src/main/java/org/matrix/olm/OlmException.java b/android/olm-sdk/src/main/java/org/matrix/olm/OlmException.java
index 31b5729..5b534d5 100644
--- a/android/olm-sdk/src/main/java/org/matrix/olm/OlmException.java
+++ b/android/olm-sdk/src/main/java/org/matrix/olm/OlmException.java
@@ -68,6 +68,8 @@ public class OlmException extends IOException {
     public static final int EXCEPTION_CODE_PK_DECRYPTION_CREATION = 700;
     public static final int EXCEPTION_CODE_PK_DECRYPTION_GENERATE_KEY = 701;
     public static final int EXCEPTION_CODE_PK_DECRYPTION_DECRYPT = 702;
+    public static final int EXCEPTION_CODE_PK_DECRYPTION_SET_PRIVATE_KEY = 703;
+    public static final int EXCEPTION_CODE_PK_DECRYPTION_PRIVATE_KEY = 704;
 
     // exception human readable messages
     public static final String EXCEPTION_MSG_INVALID_PARAMS_DESERIALIZATION = "invalid de-serialized parameters";
diff --git a/android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java b/android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java
index 1a33547..6522f70 100644
--- a/android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java
+++ b/android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java
@@ -51,6 +51,18 @@ public class OlmPkDecryption {
         return (0 == mNativeId);
     }
 
+    public String setPrivateKey(byte[] privateKey) throws OlmException {
+        try {
+            byte[] key = setPrivateKeyJni(privateKey);
+            return new String(key, "UTF-8");
+        } catch (Exception e) {
+            Log.e(LOG_TAG, "## setPrivateKey(): failed " + e.getMessage());
+            throw new OlmException(OlmException.EXCEPTION_CODE_PK_DECRYPTION_SET_PRIVATE_KEY, e.getMessage());
+        }
+    }
+
+    private native byte[] setPrivateKeyJni(byte[] privateKey);
+
     public String generateKey() throws OlmException {
         try {
             byte[] key = generateKeyJni();
@@ -63,6 +75,17 @@ public class OlmPkDecryption {
 
     private native byte[] generateKeyJni();
 
+    public byte[] privateKey() throws OlmException {
+        try {
+            return privateKeyJni();
+        } catch (Exception e) {
+            Log.e(LOG_TAG, "## privateKey(): failed " + e.getMessage());
+            throw new OlmException(OlmException.EXCEPTION_CODE_PK_DECRYPTION_PRIVATE_KEY, e.getMessage());
+        }
+    }
+
+    private native byte[] privateKeyJni();
+
     public String decrypt(OlmPkMessage aMessage) throws OlmException {
         if (null == aMessage) {
             return null;
-- 
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