diff options
author | Hubert Chathi <hubert@uhoreg.ca> | 2018-06-27 17:38:14 -0400 |
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committer | Hubert Chathi <hubert@uhoreg.ca> | 2018-06-27 18:49:48 -0400 |
commit | 307309c69b99087489a5d2d2eccecee7751fead6 (patch) | |
tree | 21328bb745b6919bf16dc50e5e3ec779fafd66cd /android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java | |
parent | 552da6eafecc29f6900854ebe7c55fa8a96002e4 (diff) |
add initial version of Android wrapper for public key API
Diffstat (limited to 'android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java')
-rw-r--r-- | android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java | 78 |
1 files changed, 78 insertions, 0 deletions
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 new file mode 100644 index 0000000..03d055a --- /dev/null +++ b/android/olm-sdk/src/main/java/org/matrix/olm/OlmPkDecryption.java @@ -0,0 +1,78 @@ +/* + * Copyright 2018 New Vector Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.matrix.olm; + +import android.util.Log; + +public class OlmPkDecryption { + private static final String LOG_TAG = "OlmPkDecryption"; + + /** Session Id returned by JNI. + * This value uniquely identifies the native session instance. + **/ + private transient long mNativeId; + + public OlmPkDecryption() throws OlmException { + try { + mNativeId = createNewPkDecryptionJni(); + } catch (Exception e) { + throw new OlmException(OlmException.EXCEPTION_CODE_PK_DECRYPTION_CREATION, e.getMessage()); + } + } + + private native long createNewPkDecryptionJni(); + + private native void releasePkDecryptionJni(); + + public void releaseDecryption() { + if (0 != mNativeId) { + releasePkDecryptionJni(); + } + mNativeId = 0; + } + + public boolean isReleased() { + return (0 == mNativeId); + } + + public String generateKey() throws OlmException { + try { + byte[] key = generateKeyJni(); + return new String(key, "UTF-8"); + } catch (Exception e) { + Log.e(LOG_TAG, "## setRecipientKey(): failed " + e.getMessage()); + throw new OlmException(OlmException.EXCEPTION_CODE_PK_DECRYPTION_GENERATE_KEY, e.getMessage()); + } + } + + private native byte[] generateKeyJni(); + + public String decrypt(OlmPkMessage aMessage) throws OlmException { + if (null == aMessage) { + return null; + } + + try { + return new String(decryptJni(aMessage), "UTF-8"); + } catch (Exception e) { + Log.e(LOG_TAG, "## pkDecrypt(): failed " + e.getMessage()); + throw new OlmException(OlmException.EXCEPTION_CODE_PK_DECRYPTION_DECRYPT, e.getMessage()); + } + } + + private native byte[] decryptJni(OlmPkMessage aMessage); +} |