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authorpedroGitt <pedro.contreiras@amdocs.com>2016-10-05 18:25:09 +0200
committerpedroGitt <pedro.contreiras@amdocs.com>2016-10-05 18:25:09 +0200
commit5573d3ab23de21b93b1ecc50d4fce96b02a42886 (patch)
tree96cab6aeb25b6ed60ea1ab27757e29c00b013b79 /java/android/OlmLibSdk/olm-sdk/src/main/jni
parent3136826e02ee379858ff5a1c3aa9140f0136e813 (diff)
First commit adding Olm Lib for Android
- Add Android Studio project
Diffstat (limited to 'java/android/OlmLibSdk/olm-sdk/src/main/jni')
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk52
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/Application.mk3
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp491
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h34
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h46
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp476
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h38
7 files changed, 1140 insertions, 0 deletions
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk
new file mode 100644
index 0000000..d59f916
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk
@@ -0,0 +1,52 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := olm
+MAJOR := 1
+MINOR := 3
+PATCH := 0
+OLM_VERSION := $(MAJOR).$(MINOR).$(PATCH)
+SRC_ROOT_DIR := ../../../../../../..
+
+$(info LOCAL_PATH=$(LOCAL_PATH))
+$(info SRC_ROOT_DIR=$(SRC_ROOT_DIR))
+$(info OLM_VERSION=$(OLM_VERSION))
+
+LOCAL_CPPFLAGS+= -std=c++11 -Wall
+LOCAL_CONLYFLAGS+= -std=c99
+LOCAL_CFLAGS+= -DOLMLIB_VERSION_MAJOR=$(MAJOR) \
+-DOLMLIB_VERSION_MINOR=$(MINOR) \
+-DOLMLIB_VERSION_PATCH=$(PATCH)
+
+LOCAL_C_INCLUDES+= $(LOCAL_PATH)/$(SRC_ROOT_DIR)/include/ \
+$(LOCAL_PATH)/$(SRC_ROOT_DIR)/lib
+
+$(info LOCAL_C_INCLUDES=$(LOCAL_C_INCLUDES))
+
+LOCAL_SRC_FILES := $(SRC_ROOT_DIR)/src/account.cpp \
+$(SRC_ROOT_DIR)/src/base64.cpp \
+$(SRC_ROOT_DIR)/src/cipher.cpp \
+$(SRC_ROOT_DIR)/src/crypto.cpp \
+$(SRC_ROOT_DIR)/src/memory.cpp \
+$(SRC_ROOT_DIR)/src/message.cpp \
+$(SRC_ROOT_DIR)/src/olm.cpp \
+$(SRC_ROOT_DIR)/src/pickle.cpp \
+$(SRC_ROOT_DIR)/src/ratchet.cpp \
+$(SRC_ROOT_DIR)/src/session.cpp \
+$(SRC_ROOT_DIR)/src/utility.cpp \
+$(SRC_ROOT_DIR)/src/ed25519.c \
+$(SRC_ROOT_DIR)/src/error.c \
+$(SRC_ROOT_DIR)/src/inbound_group_session.c \
+$(SRC_ROOT_DIR)/src/megolm.c \
+$(SRC_ROOT_DIR)/src/outbound_group_session.c \
+$(SRC_ROOT_DIR)/src/pickle_encoding.c \
+$(SRC_ROOT_DIR)/lib/crypto-algorithms/sha256.c \
+$(SRC_ROOT_DIR)/lib/crypto-algorithms/aes.c \
+$(SRC_ROOT_DIR)/lib/curve25519-donna/curve25519-donna.c \
+olm_account.cpp \
+olm_session.cpp
+
+LOCAL_LDLIBS := -llog
+
+include $(BUILD_SHARED_LIBRARY)
+
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/Application.mk b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Application.mk
new file mode 100644
index 0000000..29a4296
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Application.mk
@@ -0,0 +1,3 @@
+APP_PLATFORM := android-21
+APP_ABI := arm64-v8a #armeabi-v7a armeabi x86 x86_64
+APP_STL := gnustl_static \ No newline at end of file
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp
new file mode 100644
index 0000000..d8ee409
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp
@@ -0,0 +1,491 @@
+/*
+ * Copyright 2016 OpenMarket 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.
+ */
+
+#include "olm_account.h"
+
+
+/**
+* Init memory allocation for account creation.
+* @return valid memory alocation, NULL otherwise
+**/
+OlmAccount* initializeAccountMemory()
+{
+ OlmAccount* accountPtr = NULL;
+ size_t accountSize = olm_account_size();
+
+ if(NULL != (accountPtr=(OlmAccount*)malloc(accountSize)))
+ { // init account object
+ accountPtr = olm_account(accountPtr);
+ LOGD("## initializeAccountMemory(): success - OLM account size=%lu",accountSize);
+ }
+ else
+ {
+ LOGE("## initializeAccountMemory(): failure - OOM");
+ }
+
+ return accountPtr;
+}
+
+/**
+ * Release the account allocation made by initializeAccountMemory().<br>
+ * This method MUST be called when java counter part account instance is done.
+ *
+ */
+JNIEXPORT void JNICALL Java_org_matrix_olm_OlmAccount_releaseAccountJni(JNIEnv *env, jobject thiz)
+{
+ OlmAccount* accountPtr = NULL;
+
+ LOGD("## releaseAccountJni(): accountPtr=%p",accountPtr);
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## releaseAccountJni(): failure - invalid Account ptr=NULL");
+ }
+ else
+ { // even if free(NULL) does not crash, a test is performed for debug purpose
+ LOGD("## releaseAccountJni(): IN");
+ free(accountPtr);
+ LOGD("## releaseAccountJni(): OUT");
+ }
+}
+
+/**
+* Initialize a new account and return it to JAVA side.<br>
+* Since a C prt is returned as a jlong, special care will be taken
+* to make the cast (OlmAccount* => jlong) platform independant.
+* @return the initialized OlmAccount* instance if init succeed, NULL otherwise
+**/
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmAccount_initNewAccountJni(JNIEnv *env, jobject thiz)
+{
+ OlmAccount* accountPtr = NULL;
+ size_t accountRetCode;
+ uint8_t* randomBuffPtr = NULL;
+ int randomSize;
+
+ // init account memory allocation
+ if(NULL == (accountPtr = initializeAccountMemory()))
+ {
+ LOGE("## initNewAccount(): failure - init account OOM");
+ }
+ else
+ {
+ // allocate random buffer
+ randomSize = olm_create_account_random_length(accountPtr);
+ if(NULL == (randomBuffPtr = (std::uint8_t*)malloc(randomSize*sizeof(std::uint8_t))))
+ {
+ LOGE("## initNewAccount(): failure - random buffer OOM");
+ }
+ else
+ { // create random buffer
+ LOGD("## initNewAccount(): randomSize=%d",randomSize);
+
+ srand(time(NULL)); // init seed
+ for(int i=0;i<randomSize;i++)
+ {
+ randomBuffPtr[i] = (std::uint8_t)(rand()%ACCOUNT_CREATION_RANDOM_MODULO);;
+ }
+
+ // create account
+ accountRetCode = olm_create_account(accountPtr, randomBuffPtr, randomSize);
+ if(accountRetCode == olm_error()) {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGE("## initNewAccount(): failure - account creation failed Msg=%s", errorMsgPtr);
+ }
+
+ free(randomBuffPtr);
+ LOGD("## initNewAccount(): success - OLM account created");
+ LOGD("## initNewAccount(): success - accountPtr=%p (jlong)(intptr_t)accountPtr=%lld",accountPtr,(jlong)(intptr_t)accountPtr);
+ }
+ }
+
+ return (jlong)(intptr_t)accountPtr;
+}
+
+// *********************************************************************
+// ************************* IDENTITY KEYS API *************************
+// *********************************************************************
+/**
+* Get identity keys: Ed25519 fingerprint key and Curve25519 identity key.<br>
+* The keys are returned in the byte array.
+* @return a valid byte array if operation succeed, null otherwise
+**/
+JNIEXPORT jbyteArray JNICALL Java_org_matrix_olm_OlmAccount_identityKeysJni(JNIEnv *env, jobject thiz)
+{
+ OlmAccount* accountPtr = NULL;
+ size_t identityKeysLength;
+ uint8_t *identityKeysBytesPtr;
+ size_t keysResult;
+ jbyteArray byteArrayRetValue = NULL;
+
+ LOGD("## identityKeys(): accountPtr =%p",accountPtr);
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## identityKeys(): failure - invalid Account ptr=NULL");
+ }
+ else
+ { // identity keys allocation
+ identityKeysLength = olm_account_identity_keys_length(accountPtr);
+ if(NULL == (identityKeysBytesPtr=(uint8_t *)malloc(identityKeysLength*sizeof(std::uint8_t))))
+ {
+ LOGE("## identityKeys(): failure - identity keys array OOM");
+ }
+ else
+ { // retrieve key pairs in identityKeysBytesPtr
+ keysResult = olm_account_identity_keys(accountPtr, identityKeysBytesPtr, identityKeysLength);
+ if(keysResult == olm_error()) {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGE("## identityKeys(): failure - error getting identity keys Msg=%s",errorMsgPtr);
+ }
+ else
+ { // allocate the byte array to be returned to java
+ if(NULL == (byteArrayRetValue=env->NewByteArray(identityKeysLength)))
+ {
+ LOGE("## identityKeys(): failure - return byte array OOM");
+ }
+ else
+ {
+ env->SetByteArrayRegion(byteArrayRetValue, 0/*offset*/, identityKeysLength, (const jbyte*)identityKeysBytesPtr);
+ LOGD("## identityKeys(): success - result=%ld", keysResult);
+ }
+ }
+
+ free(identityKeysBytesPtr);
+ }
+ }
+
+ return byteArrayRetValue;
+}
+
+// *********************************************************************
+// ************************* ONE TIME KEYS API *************************
+// *********************************************************************
+/**
+ * Get the maximum number of "one time keys" the account can store.
+ *
+**/
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmAccount_maxOneTimeKeys(JNIEnv *env, jobject thiz)
+{
+ OlmAccount* accountPtr = NULL;
+ size_t maxKeys = -1;
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## maxOneTimeKey(): failure - invalid Account ptr=NULL");
+ }
+ else
+ {
+ maxKeys = olm_account_max_number_of_one_time_keys(accountPtr);
+ }
+ LOGD("## maxOneTimeKey(): Max keys=%ld", maxKeys);
+
+ return (jlong)maxKeys;
+}
+
+/**
+ * Generate "one time keys".
+ * @param aNumberOfKeys number of keys to generate
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise
+**/
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_generateOneTimeKeys(JNIEnv *env, jobject thiz, jint aNumberOfKeys)
+{
+ OlmAccount* accountPtr = NULL;;
+ jint retCode = ERROR_CODE_KO;
+ size_t length;
+ void* keysBytesPtr; // TODO check type: or uint8_t?
+ size_t result;
+
+ LOGD("## generateOneTimeKeys(): accountPtr =%p aNumberOfKeys=%d",accountPtr, aNumberOfKeys);
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## generateOneTimeKeys(): failure - invalid Account ptr");
+ }
+ else
+ { // keys memory allocation
+ length = olm_account_generate_one_time_keys_random_length(accountPtr, aNumberOfKeys);
+ LOGD("## generateOneTimeKeys(): randomLength=%ld", length);
+ if(NULL == (keysBytesPtr=(void*)malloc(length*sizeof(void*))))
+ {
+ LOGE("## generateOneTimeKeys(): failure - random allocation OOM");
+ }
+ else
+ { // retrieve key pairs in keysBytesPtr
+ result = olm_account_generate_one_time_keys(accountPtr, aNumberOfKeys, keysBytesPtr, length);
+ if(result == olm_error()) {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGE("## generateOneTimeKeys(): failure - error generating one time keys Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## generateOneTimeKeys(): success - result=%ld", result);
+ }
+
+ free(keysBytesPtr);
+ }
+ }
+
+ return retCode;
+}
+
+/**
+ * Get "one time keys".
+ * Return the public parts of the unpublished "one time keys" for the account
+ * @return a valid byte array if operation succeed, null otherwise
+**/
+JNIEXPORT jbyteArray JNICALL Java_org_matrix_olm_OlmAccount_oneTimeKeysJni(JNIEnv *env, jobject thiz)
+{
+ OlmAccount* accountPtr = NULL;
+ size_t keysLength;
+ uint8_t *keysBytesPtr;
+ size_t keysResult;
+ jbyteArray byteArrayRetValue = NULL;
+
+ LOGD("## oneTimeKeys(): accountPtr =%p",accountPtr);
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## oneTimeKeys(): failure - invalid Account ptr");
+ }
+ else
+ { // keys memory allocation
+ keysLength = olm_account_one_time_keys_length(accountPtr);
+ if(NULL == (keysBytesPtr=(uint8_t *)malloc(keysLength*sizeof(uint8_t))))
+ {
+ LOGE("## oneTimeKeys(): failure - one time keys array OOM");
+ }
+ else
+ { // retrieve key pairs in keysBytesPtr
+ keysResult = olm_account_one_time_keys(accountPtr, keysBytesPtr, keysLength);
+ if(keysResult == olm_error()) {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGE("## oneTimeKeys(): failure - error getting one time keys Msg=%s",errorMsgPtr);
+ }
+ else
+ { // allocate the byte array to be returned to java
+ if(NULL == (byteArrayRetValue=env->NewByteArray(keysLength)))
+ {
+ LOGE("## oneTimeKeys(): failure - return byte array OOM");
+ }
+ else
+ {
+ env->SetByteArrayRegion(byteArrayRetValue, 0/*offset*/, keysLength, (const jbyte*)keysBytesPtr);
+ LOGD("## oneTimeKeys(): success");
+ }
+ }
+
+ free(keysBytesPtr);
+ }
+ }
+
+ return byteArrayRetValue;
+}
+
+/**
+ * Remove the "one time keys" that the session used from the account.
+ * Return the public parts of the unpublished "one time keys" for the account
+ * @param aNativeOlmSessionId session instance
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS if no matching keys, ERROR_CODE_KO otherwise
+**/
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_removeOneTimeKeysForSession(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmAccount* accountPtr = NULL;
+ OlmSession* sessionPtr = (OlmSession*)aNativeOlmSessionId;
+ size_t result;
+
+ if(NULL == sessionPtr)
+ {
+ LOGE("## removeOneTimeKeysForSession(): failure - invalid session ptr");
+ }
+ else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## removeOneTimeKeysForSession(): failure - invalid account ptr");
+ }
+ else
+ {
+ result = olm_remove_one_time_keys(accountPtr, sessionPtr);
+ if(result == olm_error())
+ { // the account doesn't have any matching "one time keys"..
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGW("## removeOneTimeKeysForSession(): failure - removing one time keys Msg=%s",errorMsgPtr);
+
+ retCode = ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS;
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## removeOneTimeKeysForSession(): success");
+ }
+ }
+
+ return retCode;
+}
+
+/**
+ * Mark the current set of "one time keys" as being published.
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise
+**/
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_markOneTimeKeysAsPublished(JNIEnv *env, jobject thiz)
+{
+ jint retCode = ERROR_CODE_OK;
+ OlmAccount* accountPtr = NULL;
+ size_t result;
+
+ if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## markOneTimeKeysPublished(): failure - invalid account ptr");
+ retCode = ERROR_CODE_KO;
+ }
+ else
+ {
+ result = olm_account_mark_keys_as_published(accountPtr);
+ if(result == olm_error())
+ {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGW("## markOneTimeKeysPublished(): failure - Msg=%s",errorMsgPtr);
+ retCode = ERROR_CODE_KO;
+ }
+ else
+ {
+ LOGD("## markOneTimeKeysPublished(): success - retCode=%ld",result);
+ }
+ }
+
+ return retCode;
+}
+
+/**
+ * Sign a message with the ed25519 key (fingerprint) for this account.
+ * @param aMessage message to sign
+ * @return the corresponding signed message, null otherwise
+**/
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmAccount_signMessage(JNIEnv *env, jobject thiz, jstring aMessage)
+{
+ OlmAccount* accountPtr = NULL;
+ size_t signatureLength;
+ void* signaturePtr;
+ size_t resultSign;
+ jstring signedMsgRetValue = NULL;
+
+ if(NULL == aMessage)
+ {
+ LOGE("## signMessage(): failure - invalid aMessage param");
+ }
+ else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz)))
+ {
+ LOGE("## signMessage(): failure - invalid account ptr");
+ }
+ else
+ {
+ // convert message from JAVA to C string
+ const char* messageToSign = env->GetStringUTFChars(aMessage, 0);
+ if(NULL == messageToSign)
+ {
+ LOGE("## signMessage(): failure - message JNI allocation OOM");
+ }
+ else
+ {
+ int messageLength = env->GetStringUTFLength(aMessage);
+
+ // signature memory allocation
+ signatureLength = olm_account_signature_length(accountPtr);
+ if(NULL == (signaturePtr=(void *)malloc(signatureLength*sizeof(void*))))
+ {
+ LOGE("## signMessage(): failure - signature allocation OOM");
+ }
+ else
+ { // sign message
+ resultSign = olm_account_sign(accountPtr, (void*)messageToSign, messageLength, signaturePtr, signatureLength);
+ if(resultSign == olm_error())
+ {
+ const char *errorMsgPtr = olm_account_last_error(accountPtr);
+ LOGE("## signMessage(): failure - error signing message Msg=%s",errorMsgPtr);
+ }
+ else
+ { // convert to jstring
+ // TODO check how UTF conversion can impact the content?
+ // why not consider return jbyteArray? and convert in JAVA side..
+ signedMsgRetValue = env->NewStringUTF((const char*)signaturePtr); // UTF8
+ LOGD("## signMessage(): success - retCode=%ld",resultSign);
+ }
+
+ free(signaturePtr);
+ }
+
+ // release messageToSign
+ env->ReleaseStringUTFChars(aMessage, messageToSign);
+ }
+ }
+
+ return signedMsgRetValue;
+}
+
+
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmManager_getOlmLibVersion(JNIEnv* env, jobject thiz)
+{
+ uint8_t majorVer=0, minorVer=0, patchVer=0;
+ jstring returnValueStr=0;
+ char buff[150];
+
+ olm_get_library_version(&majorVer, &minorVer, &patchVer);
+ LOGD("## getOlmLibVersion(): Major=%d Minor=%d Patch=%d", majorVer, minorVer, patchVer);
+
+ snprintf(buff, sizeof(buff), " V%d.%d.%d", majorVer, minorVer, patchVer);
+ returnValueStr = env->NewStringUTF((const char*)buff);
+
+ return returnValueStr;
+}
+
+
+/**
+* Read the account instance ID of the calling object.
+* @return the instance ID if read succeed, -1 otherwise.
+**/
+jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject)
+{
+ jlong instanceId=-1;
+ jfieldID instanceIdField;
+ jclass loaderClass;
+
+ if(NULL!=aJniEnv)
+ {
+ if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject)))
+ {
+ if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmAccountId", "J")))
+ {
+ instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField);
+ aJniEnv->DeleteLocalRef(loaderClass);
+ LOGD("## getAccountInstanceId(): read from java instanceId=%lld",instanceId);
+ }
+ else
+ {
+ LOGD("## getAccountInstanceId() ERROR! GetFieldID=null");
+ }
+ }
+ else
+ {
+ LOGD("## getAccountInstanceId() ERROR! GetObjectClass=null");
+ }
+ }
+ else
+ {
+ LOGD("## getAccountInstanceId() ERROR! aJniEnv=NULL");
+ }
+ LOGD("## getAccountInstanceId() success - instanceId=%lld",instanceId);
+ return instanceId;
+}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h
new file mode 100644
index 0000000..8ba1633
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h
@@ -0,0 +1,34 @@
+#ifndef _OMLACCOUNT_H
+#define _OMLACCOUNT_H
+
+#include "olm_jni.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmManager_getOlmLibVersion(JNIEnv *env, jobject thiz);
+
+// account creation/destruction
+JNIEXPORT void JNICALL Java_org_matrix_olm_OlmAccount_releaseAccountJni(JNIEnv *env, jobject thiz);
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmAccount_initNewAccountJni(JNIEnv *env, jobject thiz);
+
+// identity keys
+JNIEXPORT jbyteArray JNICALL Java_org_matrix_olm_OlmAccount_identityKeysJni(JNIEnv *env, jobject thiz);
+
+// one time keys
+JNIEXPORT jbyteArray JNICALL Java_org_matrix_olm_OlmAccount_oneTimeKeysJni(JNIEnv *env, jobject thiz);
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmAccount_maxOneTimeKeys(JNIEnv *env, jobject thiz);
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_generateOneTimeKeys(JNIEnv *env, jobject thiz, jint aNumberOfKeys);
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_removeOneTimeKeysForSession(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId);
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_markOneTimeKeysAsPublished(JNIEnv *env, jobject thiz);
+
+// signing
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmAccount_signMessage(JNIEnv *env, jobject thiz, jstring aMessage);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h
new file mode 100644
index 0000000..a504333
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h
@@ -0,0 +1,46 @@
+#ifndef _OMLJNI_H
+#define _OMLJNI_H
+
+#include <cstdlib>
+#include <cstdio>
+#include <string>
+#include <sstream>
+#include <map>
+#include <jni.h>
+#include <android/log.h>
+
+#include "olm/olm.h"
+
+#define TAG "OlmJniNative"
+
+/* logging macros */
+#define ENABLE_LOGS
+
+#ifdef ENABLE_LOGS
+ #define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__)
+ #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__)
+ #define LOGW(...) __android_log_print(ANDROID_LOG_WARN, TAG, __VA_ARGS__)
+ #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__)
+#else
+ #define LOGV(...)
+ #define LOGD(...)
+ #define LOGW(...)
+ #define LOGE(...)
+#endif
+
+// Error codes definition
+static const int ERROR_CODE_OK = 0;
+static const int ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS = ERROR_CODE_OK+1;
+static const int ERROR_CODE_KO = -1;
+
+// constants
+static const int ACCOUNT_CREATION_RANDOM_MODULO = 500;
+
+
+typedef struct _AccountContext
+{
+ OlmAccount* mAccountPtr;
+ _AccountContext(): mAccountPtr(NULL){}
+} AccountContext;
+
+#endif
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp
new file mode 100644
index 0000000..22544d4
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp
@@ -0,0 +1,476 @@
+/*
+ * Copyright 2016 OpenMarket 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.
+ */
+
+#include "olm_session.h"
+
+
+/**
+* Init memory allocation for session creation.
+* @return valid memory allocation, NULL otherwise
+**/
+OlmSession* initializeSessionMemory()
+{
+ OlmSession* sessionPtr = NULL;
+ size_t sessionSize = olm_session_size();
+
+ if(NULL != (sessionPtr=(OlmSession*)malloc(sessionSize)))
+ { // init session object
+ sessionPtr = olm_session(sessionPtr);
+ LOGD("## initializeSessionMemory(): success - OLM session size=%lu",sessionSize);
+ }
+ else
+ {
+ LOGE("## initializeSessionMemory(): failure - OOM");
+ }
+
+ return sessionPtr;
+}
+
+JNIEXPORT void JNICALL Java_org_matrix_olm_OlmSession_releaseSessionJni(JNIEnv *env, jobject thiz)
+{
+ OlmSession* sessionPtr = NULL;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## releaseSessionJni(): failure - invalid Session ptr=NULL");
+ }
+ else
+ { // even if free(NULL) does not crash, a test is performed for debug purpose
+ LOGD("## releaseSessionJni(): IN");
+ free(sessionPtr);
+ LOGD("## releaseSessionJni(): OUT");
+ }
+}
+
+/**
+* Initialize a new session and return it to JAVA side.<br>
+* Since a C prt is returned as a jlong, special care will be taken
+* to make the cast (OlmSession* => jlong) platform independent.
+* @return the initialized OlmSession* instance if init succeed, NULL otherwise
+**/
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmSession_initNewSessionJni(JNIEnv *env, jobject thiz)
+{
+ OlmSession* sessionPtr = NULL;
+
+ // init account memory allocation
+ if(NULL == (sessionPtr = initializeSessionMemory()))
+ {
+ LOGE("## initNewSessionJni(): failure - init session OOM");
+ }
+ else
+ {
+ LOGD("## initNewSessionJni(): success - OLM session created");
+ }
+
+ return (jlong)(intptr_t)sessionPtr;
+}
+
+// *********************************************************************
+// ********************** OUTBOUND SESSION *****************************
+// *********************************************************************
+/**
+* Create a new in-bound session for sending/receiving messages from an
+* incoming PRE_KEY message.<br> The recipient is defined as the entity
+* with whom the session is established.
+* @param aOlmAccountId account instance
+* @param aTheirIdentityKey the identity key of the recipient
+* @param aTheirOneTimeKey the one time key of the recipient
+* @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise
+**/
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initOutboundSessionJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aTheirIdentityKey, jstring aTheirOneTimeKey)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmSession* sessionPtr = NULL;
+ OlmAccount* accountPtr = NULL;
+ void *randomBuffPtr;
+ size_t sessionResult;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## initOutboundSessionJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(NULL == (accountPtr = (OlmAccount*)aOlmAccountId))
+ {
+ LOGE("## initOutboundSessionJni(): failure - invalid Account ptr=NULL");
+ }
+ else if((0==aTheirIdentityKey) || (0==aTheirOneTimeKey))
+ {
+ LOGE("## initOutboundSessionJni(): failure - invalid keys");
+ }
+ else
+ { // allocate random buffer
+ size_t randomSize = olm_create_outbound_session_random_length(sessionPtr);
+ if(NULL == (randomBuffPtr = (void*)malloc(randomSize*sizeof(void*))))
+ {
+ LOGE("## initOutboundSessionJni(): failure - random buffer OOM");
+ }
+ else
+ { // convert identity & one time keys to C strings
+ const char* theirIdentityKeyPtr = NULL;
+ const char* theirOneTimeKeyPtr = NULL;
+
+ if(NULL == (theirIdentityKeyPtr = env->GetStringUTFChars(aTheirIdentityKey, 0)))
+ {
+ LOGE("## initOutboundSessionJni(): failure - identityKey JNI allocation OOM");
+ }
+ else if(NULL == (theirOneTimeKeyPtr = env->GetStringUTFChars(aTheirOneTimeKey, 0)))
+ {
+ LOGE("## initOutboundSessionJni(): failure - one time Key JNI allocation OOM");
+ }
+ else
+ {
+ int theirIdentityKeyLength = env->GetStringUTFLength(aTheirIdentityKey);
+ int theirOneTimeKeyLength = env->GetStringUTFLength(aTheirOneTimeKey);
+ LOGD("## initOutboundSessionJni(): identityKey=%s oneTimeKey=%s",theirIdentityKeyPtr,theirOneTimeKeyPtr);
+
+ sessionResult = olm_create_outbound_session(sessionPtr, accountPtr, theirIdentityKeyPtr, theirIdentityKeyLength, theirOneTimeKeyPtr, theirOneTimeKeyLength, randomBuffPtr, randomSize);
+ if(sessionResult == olm_error()) {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## initOutboundSessionJni(): failure - session creation Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## initOutboundSessionJni(): success - result=%ld", sessionResult);
+ }
+ }
+
+ // free local alloc
+ free(randomBuffPtr);
+ if(NULL!= theirIdentityKeyPtr)
+ {
+ env->ReleaseStringUTFChars(aTheirIdentityKey, theirIdentityKeyPtr);
+ }
+ if(NULL!= theirOneTimeKeyPtr)
+ {
+ env->ReleaseStringUTFChars(aTheirOneTimeKey, theirOneTimeKeyPtr);
+ }
+ }
+ }
+
+ return retCode;
+}
+
+
+// *********************************************************************
+// *********************** INBOUND SESSION *****************************
+// *********************************************************************
+/**
+ * Create a new in-bound session for sending/receiving messages from an
+ * incoming PRE_KEY message.<br>
+ * @param aOlmAccountId account instance
+ * @param aOneTimeKeyMsg PRE_KEY message TODO TBC
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise
+ */
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aOneTimeKeyMsg)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmSession *sessionPtr = NULL;
+ OlmAccount *accountPtr = NULL;
+ size_t sessionResult;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## initInboundSessionJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(NULL == (accountPtr = (OlmAccount*)aOlmAccountId))
+ {
+ LOGE("## initInboundSessionJni(): failure - invalid Account ptr=NULL");
+ }
+ else if(0==aOneTimeKeyMsg)
+ {
+ LOGE("## initOutboundSessionJni(): failure - invalid message");
+ }
+ else
+ { // convert message to C strings
+ const char *messagePtr = NULL;
+ if(NULL == (messagePtr = env->GetStringUTFChars(aOneTimeKeyMsg, 0)))
+ {
+ LOGE("## initInboundSessionJni(): failure - message JNI allocation OOM");
+ }
+ else
+ {
+ int messageLength = env->GetStringUTFLength(aOneTimeKeyMsg);
+ LOGD("## initInboundSessionJni(): message=%s messageLength=%d",messagePtr,messageLength);
+
+ sessionResult = olm_create_inbound_session(sessionPtr, accountPtr, (void*)messagePtr , messageLength);
+ if(sessionResult == olm_error()) {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## initInboundSessionJni(): failure - init inbound session creation Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## initInboundSessionJni(): success - result=%ld", sessionResult);
+ }
+
+ // free local alloc
+ env->ReleaseStringUTFChars(aOneTimeKeyMsg, messagePtr);
+ }
+ }
+ return retCode;
+}
+
+/**
+ * Create a new in-bound session for sending/receiving messages from an
+ * incoming PRE_KEY message based on the recipient identity key.<br>
+ * @param aOlmAccountId account instance
+ * @param aTheirIdentityKey the identity key of the recipient
+ * @param aOneTimeKeyMsg encrypted message
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise
+ */
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionFromIdKeyJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aTheirIdentityKey, jstring aOneTimeKeyMsg)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmSession *sessionPtr = NULL;
+ OlmAccount *accountPtr = NULL;
+ const char *messagePtr = NULL;
+ const char *theirIdentityKeyPtr = NULL;
+ size_t sessionResult;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(NULL == (accountPtr = (OlmAccount*)aOlmAccountId))
+ {
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - invalid Account ptr=NULL");
+ }
+ else if(0 == aTheirIdentityKey)
+ {
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - invalid theirIdentityKey");
+ }
+ else if(0==aOneTimeKeyMsg)
+ {
+ LOGE("## initOutboundSessionJni(): failure - invalid one time key message");
+ }
+ else if(NULL == (messagePtr = env->GetStringUTFChars(aOneTimeKeyMsg, 0)))
+ {
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - message JNI allocation OOM");
+ }
+ else if(NULL == (theirIdentityKeyPtr = env->GetStringUTFChars(aTheirIdentityKey, 0)))
+ {
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - theirIdentityKey JNI allocation OOM");
+ }
+ else
+ {
+ size_t messageLength = env->GetStringUTFLength(aOneTimeKeyMsg);
+ size_t theirIdentityKeyLength = env->GetStringUTFLength(aTheirIdentityKey);
+
+ LOGD("## initInboundSessionFromIdKeyJni(): message=%s messageLength=%lu",messagePtr,messageLength);
+
+ sessionResult = olm_create_inbound_session_from(sessionPtr, accountPtr, theirIdentityKeyPtr, theirIdentityKeyLength, (void*)messagePtr , messageLength);
+ if(sessionResult == olm_error()) {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## initInboundSessionFromIdKeyJni(): failure - init inbound session creation Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## initInboundSessionFromIdKeyJni(): success - result=%ld", sessionResult);
+ }
+ }
+
+ // free local alloc
+ if(NULL!= messagePtr)
+ {
+ env->ReleaseStringUTFChars(aOneTimeKeyMsg, messagePtr);
+ }
+ if(NULL!= theirIdentityKeyPtr)
+ {
+ env->ReleaseStringUTFChars(aTheirIdentityKey, theirIdentityKeyPtr);
+ }
+
+ return retCode;
+}
+
+/**
+ * Checks if the PRE_KEY message is for this in-bound session.<br>
+ * This API may be used to process a "m.room.encrypted" event when type = 1 (PRE_KEY).
+ * @param aOneTimeKeyMsg PRE KEY message
+ * @return ERROR_CODE_OK if match, ERROR_CODE_KO otherwise
+ */
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionJni(JNIEnv *env, jobject thiz, jstring aOneTimeKeyMsg)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmSession *sessionPtr = NULL;
+ const char *messagePtr = NULL;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## matchesInboundSessionJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(0==aOneTimeKeyMsg)
+ {
+ LOGE("## matchesInboundSessionJni(): failure - invalid one time key message");
+ }
+ else if(NULL == (messagePtr = env->GetStringUTFChars(aOneTimeKeyMsg, 0)))
+ {
+ LOGE("## matchesInboundSessionJni(): failure - one time key JNI allocation OOM");
+ }
+ else
+ {
+ size_t messageLength = env->GetStringUTFLength(aOneTimeKeyMsg);
+
+ size_t matchResult = olm_matches_inbound_session(sessionPtr, (void*)messagePtr , messageLength);
+ if(matchResult == olm_error()) {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## matchesInboundSessionJni(): failure - no match Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## matchesInboundSessionJni(): success - result=%ld", matchResult);
+ }
+ }
+
+ return retCode;
+}
+
+
+/**
+ * Checks if the PRE_KEY message is for this in-bound session based on the sender identity key.<br>
+ * This API may be used to process a "m.room.encrypted" event when type = 1 (PRE_KEY).
+ * @param aTheirIdentityKey the identity key of the sender
+ * @param aOneTimeKeyMsg PRE KEY message
+ * @return ERROR_CODE_OK if match, ERROR_CODE_KO otherwise
+ */
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionFromIdKeyJni(JNIEnv *env, jobject thiz, jstring aTheirIdentityKey, jstring aOneTimeKeyMsg)
+{
+ jint retCode = ERROR_CODE_KO;
+ OlmSession *sessionPtr = NULL;
+ const char *messagePtr = NULL;
+ const char *theirIdentityKeyPtr = NULL;
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(0 == aTheirIdentityKey)
+ {
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - invalid theirIdentityKey");
+ }
+ else if(NULL == (theirIdentityKeyPtr = env->GetStringUTFChars(aTheirIdentityKey, 0)))
+ {
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - theirIdentityKey JNI allocation OOM");
+ }
+ else if(0==aOneTimeKeyMsg)
+ {
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - invalid one time key message");
+ }
+ else if(NULL == (messagePtr = env->GetStringUTFChars(aOneTimeKeyMsg, 0)))
+ {
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - one time key JNI allocation OOM");
+ }
+ else
+ {
+ size_t identityKeyLength = env->GetStringUTFLength(aTheirIdentityKey);
+ size_t messageLength = env->GetStringUTFLength(aOneTimeKeyMsg);
+
+ size_t matchResult = olm_matches_inbound_session_from(sessionPtr, (void const *)theirIdentityKeyPtr, identityKeyLength, (void*)messagePtr , messageLength);
+ if(matchResult == olm_error()) {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## matchesInboundSessionFromIdKeyJni(): failure - no match Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ retCode = ERROR_CODE_OK;
+ LOGD("## matchesInboundSessionFromIdKeyJni(): success - result=%lu", matchResult);
+ }
+ }
+
+ return retCode;
+}
+
+
+/**
+* Get the session identifier for this session.
+* @return the session identifier if operation succeed, null otherwise
+*/
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_getSessionIdentifierJni(JNIEnv *env, jobject thiz)
+{
+ OlmSession *sessionPtr = NULL;
+ void *sessionIdPtr = NULL;
+ jstring returnValueStr=0;
+
+ // get the size to alloc to contain the id
+ size_t lengthSessId = olm_session_id_length(sessionPtr);
+
+ if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz)))
+ {
+ LOGE("## getSessionIdentifierJni(): failure - invalid Session ptr=NULL");
+ }
+ else if(NULL == (sessionIdPtr = (void*)malloc(lengthSessId*sizeof(void*))))
+ {
+ LOGE("## getSessionIdentifierJni(): failure - identifier allocation OOM");
+ }
+ else
+ {
+ size_t result = olm_session_id(sessionPtr, sessionIdPtr, lengthSessId);
+ if (result == olm_error())
+ {
+ const char *errorMsgPtr = olm_session_last_error(sessionPtr);
+ LOGE("## getSessionIdentifierJni(): failure - get session identifier failure Msg=%s",errorMsgPtr);
+ }
+ else
+ {
+ returnValueStr = env->NewStringUTF((const char*)sessionIdPtr);
+ }
+ free(sessionIdPtr);
+ }
+
+ return returnValueStr;
+}
+
+/**
+* Read the account instance ID of the calling object (aJavaObject) passed in parameter.
+* @param aJniEnv pointer pointing on the JNI function table
+* @param aJavaObject reference to the object on which the method is invoked
+* @return the instance ID if read succeed, -1 otherwise.
+**/
+jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject)
+{
+ jlong instanceId=-1;
+ jfieldID instanceIdField;
+ jclass loaderClass;
+
+ if(NULL!=aJniEnv)
+ {
+ if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject)))
+ {
+ if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmSessionId", "J")))
+ {
+ instanceId = aJniEnv->GetIntField(aJavaObject, instanceIdField);
+ aJniEnv->DeleteLocalRef(loaderClass);
+ }
+ else
+ {
+ LOGD("## getSessionInstanceId() ERROR! GetFieldID=null");
+ }
+ }
+ else
+ {
+ LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null");
+ }
+ }
+ else
+ {
+ LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL");
+ }
+
+ LOGD("## getSessionInstanceId() success - instanceId=%lld",instanceId);
+ return instanceId;
+}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h
new file mode 100644
index 0000000..edd1012
--- /dev/null
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h
@@ -0,0 +1,38 @@
+#ifndef _OMLSESSION_H
+#define _OMLSESSION_H
+
+#include "olm_jni.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
+
+// session creation/destruction
+JNIEXPORT void JNICALL Java_org_matrix_olm_OlmSession_releaseSessionJni(JNIEnv *env, jobject thiz);
+JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmSession_initNewSessionJni(JNIEnv *env, jobject thiz);
+
+// outbound session
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initOutboundSessionJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aTheirIdentityKey, jstring aTheirOneTimeKey);
+
+// inbound sessions: establishment based on PRE KEY message
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aOneTimeKeyMsg);
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionFromIdKeyJni(JNIEnv *env, jobject thiz, jlong aOlmAccountId, jstring aTheirIdentityKey, jstring aOneTimeKeyMsg);
+
+// match inbound sessions: based on PRE KEY message
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionJni(JNIEnv *env, jobject thiz, jstring aOneTimeKeyMsg);
+JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionFromIdKeyJni(JNIEnv *env, jobject thiz, jstring aTheirIdentityKey, jstring aOneTimeKeyMsg);
+
+JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_getSessionIdentifierJni(JNIEnv *env, jobject thiz);
+
+
+// signing
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif