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authorylecollen <ylecollen@amdocs.com>2017-01-03 16:12:20 +0100
committerylecollen <ylecollen@amdocs.com>2017-01-03 16:12:20 +0100
commit9552e14fdadd9fadbe88970cfb8df7b697c0deb4 (patch)
treefd955c9b67c06eae88a4e3e8d796e7b2017858da /java/android/OlmLibSdk
parent765647cda501b53bac990332444aadc4404fe314 (diff)
-> the byte[] to String conversions are done on Java level (when it is possible)
-> remove javaCStringToUtf8
Diffstat (limited to 'java/android/OlmLibSdk')
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java40
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmInboundGroupSession.java24
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmOutboundGroupSession.java25
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java20
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java4
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp25
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h4
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp47
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h6
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h1
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp42
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp37
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h6
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp30
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h4
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp12
-rw-r--r--java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h2
17 files changed, 174 insertions, 155 deletions
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java
index 5c1ad3c..1e41fa1 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java
@@ -118,7 +118,7 @@ public class OlmAccount extends CommonSerializeUtils implements Serializable {
} else {
aErrorMsg.setLength(0);
try {
- pickleRetValue = serializeDataWithKeyJni(aKey.getBytes("UTF-8"), aErrorMsg);
+ pickleRetValue = new String(serializeDataWithKeyJni(aKey.getBytes("UTF-8"), aErrorMsg), "UTF-8");
} catch (Exception e) {
Log.e(LOG_TAG, "## serializeDataWithKey() failed " + e.getMessage());
aErrorMsg.append(e.getMessage());
@@ -127,7 +127,7 @@ public class OlmAccount extends CommonSerializeUtils implements Serializable {
return pickleRetValue;
}
- private native String serializeDataWithKeyJni(byte[] aKey, StringBuffer aErrorMsg);
+ private native byte[] serializeDataWithKeyJni(byte[] aKey, StringBuffer aErrorMsg);
/**
@@ -164,6 +164,7 @@ public class OlmAccount extends CommonSerializeUtils implements Serializable {
return retCode;
}
+
private native String initWithSerializedDataJni(byte[] aSerializedDataBuffer, byte[] aKeyBuffer);
/**
@@ -363,25 +364,34 @@ public class OlmAccount extends CommonSerializeUtils implements Serializable {
* @return the signed message if operation succeed, null otherwise
*/
public String signMessage(String aMessage) {
- if (null == aMessage) {
- return null;
- }
+ String result = null;
- byte[] utf8String = null;
+ if (null != aMessage) {
+ byte[] utf8String = null;
- try {
- utf8String = aMessage.getBytes("UTF-8");
- } catch (Exception e) {
- Log.d(LOG_TAG,"## signMessage(): failed ="+e.getMessage());
- }
+ try {
+ utf8String = aMessage.getBytes("UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## signMessage(): failed =" + e.getMessage());
+ }
- if (null == utf8String) {
- return null;
+ if (null != utf8String) {
+ byte[] signedMessage = signMessageJni(utf8String);
+
+ if (null != signedMessage) {
+ try {
+ result = new String(signedMessage, "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## signMessage(): failed =" + e.getMessage());
+ }
+ }
+ }
}
- return signMessageJni(utf8String);
+ return result;
}
- private native String signMessageJni(byte[] aMessage);
+
+ private native byte[] signMessageJni(byte[] aMessage);
/**
* Return true the object resources have been released.<br>
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmInboundGroupSession.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmInboundGroupSession.java
index 7ec5b2f..bfd50fb 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmInboundGroupSession.java
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmInboundGroupSession.java
@@ -144,10 +144,16 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
* @return the session ID if operation succeed, null otherwise
*/
public String sessionIdentifier() {
- return sessionIdentifierJni();
+ try {
+ return new String(sessionIdentifierJni(), "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## sessionIdentifier() failed " + e.getMessage());
+ }
+
+ return null;
}
- private native String sessionIdentifierJni();
+ private native byte[] sessionIdentifierJni();
/**
* Decrypt the message passed in parameter.<br>
@@ -161,9 +167,14 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
StringBuffer errorMsg = new StringBuffer();
try {
- result.mDecryptedMessage = decryptMessageJni(aEncryptedMsg.getBytes("UTF-8"), result, errorMsg);
+ byte[] decryptedMessageBuffer = decryptMessageJni(aEncryptedMsg.getBytes("UTF-8"), result, errorMsg);
+
+ if (null != decryptedMessageBuffer) {
+ result.mDecryptedMessage = new String(decryptedMessageBuffer, "UTF-8");
+ }
} catch (Exception e) {
Log.e(LOG_TAG, "## decryptMessage() failed " + e.getMessage());
+ errorMsg.append(e.getMessage());
}
// check if there is an error while decrypting
@@ -174,7 +185,7 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
return result;
}
- private native String decryptMessageJni(byte[] aEncryptedMsg, DecryptMessageResult aDecryptMessageResult, StringBuffer aErrorMsg);
+ private native byte[] decryptMessageJni(byte[] aEncryptedMsg, DecryptMessageResult aDecryptMessageResult, StringBuffer aErrorMsg);
/**
* Kick off the serialization mechanism.
@@ -226,9 +237,10 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
} else {
aErrorMsg.setLength(0);
try {
- pickleRetValue = serializeDataWithKeyJni(aKey.getBytes("UTF-8"), aErrorMsg);
+ pickleRetValue = new String(serializeDataWithKeyJni(aKey.getBytes("UTF-8"), aErrorMsg), "UTF-8");
} catch (Exception e) {
Log.e(LOG_TAG, "## serializeDataWithKey() failed " + e.getMessage());
+ aErrorMsg.append(e.getMessage());
}
}
@@ -240,7 +252,7 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
* @param aErrorMsg error message description
* @return pickled base64 string if operation succeed, null otherwise
*/
- private native String serializeDataWithKeyJni(byte[] aKey, StringBuffer aErrorMsg);
+ private native byte[] serializeDataWithKeyJni(byte[] aKey, StringBuffer aErrorMsg);
/**
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmOutboundGroupSession.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmOutboundGroupSession.java
index bfb2cd1..171891c 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmOutboundGroupSession.java
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmOutboundGroupSession.java
@@ -208,10 +208,16 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
* @return session identifier if operation succeed, null otherwise.
*/
public String sessionIdentifier() {
- return sessionIdentifierJni();
+ try {
+ return new String(sessionIdentifierJni(), "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## sessionIdentifier() failed " + e.getMessage());
+ }
+
+ return null;
}
- private native String sessionIdentifierJni();
+ private native byte[] sessionIdentifierJni();
/**
* Get the current message index for this session.<br>
@@ -231,9 +237,16 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
* @return outbound session key
*/
public String sessionKey() {
- return sessionKeyJni();
+ try {
+ return new String(sessionKeyJni(), "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## sessionKey() failed " + e.getMessage());
+ }
+
+ return null;
}
- private native String sessionKeyJni();
+
+ private native byte[] sessionKeyJni();
/**
* Encrypt some plain-text message.<br>
@@ -246,7 +259,7 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
if(!TextUtils.isEmpty(aClearMsg)) {
try {
- retValue = encryptMessageJni(aClearMsg.getBytes("UTF-8"));
+ retValue = new String(encryptMessageJni(aClearMsg.getBytes("UTF-8")), "UTF-8");
} catch (Exception e) {
Log.e(LOG_TAG, "## encryptMessage() failed " + e.getMessage());
}
@@ -254,7 +267,7 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
return retValue;
}
- private native String encryptMessageJni(byte[] aClearMsgBuffer);
+ private native byte[] encryptMessageJni(byte[] aClearMsgBuffer);
/**
* Return true the object resources have been released.<br>
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java
index 7b9b736..a58036f 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java
@@ -302,10 +302,16 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
* @return the session ID as a String if operation succeed, null otherwise
*/
public String sessionIdentifier() {
- return getSessionIdentifierJni();
+ try {
+ return new String(getSessionIdentifierJni(), "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## sessionIdentifier(): " + e.getMessage());
+ }
+
+ return null;
}
- private native String getSessionIdentifierJni();
+ private native byte[] getSessionIdentifierJni();
/**
* Checks if the PRE_KEY({@link OlmMessage#MESSAGE_TYPE_PRE_KEY}) message is for this in-bound session.<br>
@@ -383,10 +389,16 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
* @return the decrypted message if operation succeed, null otherwise
*/
public String decryptMessage(OlmMessage aEncryptedMsg) {
- return decryptMessageJni(aEncryptedMsg);
+ try {
+ return new String(decryptMessageJni(aEncryptedMsg), "UTF-8");
+ } catch (Exception e) {
+ Log.e(LOG_TAG, "## decryptMessage(): failed " + e.getMessage());
+ }
+
+ return null;
}
- private native String decryptMessageJni(OlmMessage aEncryptedMsg);
+ private native byte[] decryptMessageJni(OlmMessage aEncryptedMsg);
/**
* Return true the object resources have been released.<br>
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java
index 3d9d99d..287a9d2 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java
@@ -121,7 +121,7 @@ public class OlmUtility {
if (null != aMessageToHash) {
try {
- hashRetValue = sha256Jni(aMessageToHash.getBytes("UTF-8"));
+ hashRetValue = new String(sha256Jni(aMessageToHash.getBytes("UTF-8")), "UTF-8");
} catch (Exception e) {
Log.e(LOG_TAG, "## sha256(): failed " + e.getMessage());
}
@@ -130,7 +130,7 @@ public class OlmUtility {
return hashRetValue;
}
- private native String sha256Jni(byte[] aMessage);
+ private native byte[] sha256Jni(byte[] aMessage);
/**
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
index 87ed86a..06709e7 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp
@@ -405,10 +405,10 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublishedJni)(JNIEnv *env,
* @param aMessage message to sign
* @return the signed message, null otherwise
**/
-JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aMessage)
+JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aMessage)
{
OlmAccount* accountPtr = NULL;
- jstring signedMsgRetValue = NULL;
+ jbyteArray signedMsgRetValueBuffer = NULL;
if (!aMessage)
{
@@ -425,7 +425,8 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz
// signature memory allocation
size_t signatureLength = olm_account_signature_length(accountPtr);
- void* signedMsgPtr = malloc((signatureLength+1)*sizeof(uint8_t));
+ size_t bufferLen = signatureLength + 1;
+ void* signedMsgPtr = malloc(bufferLen * sizeof(uint8_t));
if (!signedMsgPtr)
{
@@ -448,9 +449,12 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz
{
// info: signatureLength is always equal to resultSign
(static_cast<char*>(signedMsgPtr))[signatureLength] = static_cast<char>('\0');
- // convert to jstring
- signedMsgRetValue = env->NewStringUTF((const char*)signedMsgPtr); // UTF8
+
LOGD("## signMessageJni(): success - retCode=%lu signatureLength=%lu", static_cast<long unsigned int>(resultSign), static_cast<long unsigned int>(signatureLength));
+
+ signedMsgRetValueBuffer = env->NewByteArray(signatureLength);
+ env->SetByteArrayRegion(signedMsgRetValueBuffer, 0 , signatureLength, (jbyte*)signedMsgPtr);
+
}
free(signedMsgPtr);
@@ -463,7 +467,7 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz
}
}
- return signedMsgRetValue;
+ return signedMsgRetValueBuffer;
}
/**
@@ -472,9 +476,9 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz
* @param[out] aErrorMsg error message set if operation failed
* @return a base64 string if operation succeed, null otherwise
**/
-JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg)
+JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg)
{
- jstring pickledDataRetValue = 0;
+ jbyteArray pickledDataRetValue = 0;
jclass errorMsgJClass = 0;
jmethodID errorMsgMethodId = 0;
jstring errorJstring = 0;
@@ -541,8 +545,11 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, job
{
// build success output
(static_cast<char*>(pickledPtr))[pickledLength] = static_cast<char>('\0');
- pickledDataRetValue = env->NewStringUTF((const char*)pickledPtr);
+
LOGD(" ## serializeDataWithKeyJni(): success - result=%lu pickled=%s", static_cast<long unsigned int>(result), static_cast<char*>(pickledPtr));
+
+ pickledDataRetValue = env->NewByteArray(pickledLength+1);
+ env->SetByteArrayRegion(pickledDataRetValue, 0 , pickledLength+1, (jbyte*)pickledPtr);
}
free(pickledPtr);
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
index 88ef215..c866dbc 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h
@@ -44,10 +44,10 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSessionJni)(JNIEnv *env,
JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublishedJni)(JNIEnv *env, jobject thiz);
// signing
-JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aMessage);
+JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aMessage);
// serialization
-JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg);
+JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg);
JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(initWithSerializedDataJni)(JNIEnv *env, jobject thiz, jbyteArray aSerializedDataBuffer, jbyteArray aKeyBuffer);
#ifdef __cplusplus
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp
index 9eba3af..ca47dbb 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp
@@ -137,10 +137,10 @@ JNIEXPORT jint OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initInboundGroupSessionWithSes
/**
* Get a base64-encoded identifier for this inbound group session.
*/
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz)
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz)
{
OlmInboundGroupSession *sessionPtr = NULL;
- jstring returnValueStr=0;
+ jbyteArray returnValue = 0;
LOGD("## sessionIdentifierJni(): inbound group session IN");
@@ -170,22 +170,26 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEn
}
else
{
- // update length
+
sessionIdPtr[result] = static_cast<char>('\0');
LOGD(" ## sessionIdentifierJni(): success - inbound group session result=%lu sessionId=%s",static_cast<long unsigned int>(result), (char*)sessionIdPtr);
- returnValueStr = env->NewStringUTF((const char*)sessionIdPtr);
+
+ returnValue = env->NewByteArray(result);
+ env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionIdPtr);
}
+
free(sessionIdPtr);
}
}
- return returnValueStr;
+ return returnValue;
}
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aEncryptedMsgBuffer, jobject aDecryptionResult, jobject aErrorMsg)
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aEncryptedMsgBuffer, jobject aDecryptionResult, jobject aErrorMsg)
{
- jstring decryptedMsgRetValue = 0;
+ jbyteArray decryptedMsgBuffer = 0;
+
OlmInboundGroupSession *sessionPtr = NULL;
jbyte *encryptedMsgPtr = NULL;
jclass indexObjJClass = 0;
@@ -298,17 +302,10 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *
// update index
env->SetLongField(aDecryptionResult, indexMsgFieldId, (jlong)messageIndex);
- // convert to utf8
- decryptedMsgRetValue = javaCStringToUtf8(env, plainTextMsgPtr, plaintextLength);
+ decryptedMsgBuffer = env->NewByteArray(plaintextLength);
+ env->SetByteArrayRegion(decryptedMsgBuffer, 0 , plaintextLength, (jbyte*)plainTextMsgPtr);
- if (!decryptedMsgRetValue)
- {
- LOGE(" ## decryptMessageJni(): UTF-8 Conversion failure - javaCStringToUtf8() returns null");
- }
- else
- {
- LOGD(" ## decryptMessageJni(): UTF-8 Conversion - decrypted returnedLg=%lu OK",static_cast<long unsigned int>(plaintextLength));
- }
+ LOGD(" ## decryptMessageJni(): UTF-8 Conversion - decrypted returnedLg=%lu OK",static_cast<long unsigned int>(plaintextLength));
}
if (plainTextMsgPtr)
@@ -330,7 +327,7 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *
env->ReleaseByteArrayElements(aEncryptedMsgBuffer, encryptedMsgPtr, JNI_ABORT);
}
- return decryptedMsgRetValue;
+ return decryptedMsgBuffer;
}
@@ -340,9 +337,10 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *
* @param[out] aErrorMsg error message set if operation failed
* @return a base64 string if operation succeed, null otherwise
**/
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg)
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer, jobject aErrorMsg)
{
- jstring pickledDataRetValue = 0;
+ jbyteArray pickledDataRet = 0;
+
jclass errorMsgJClass = 0;
jmethodID errorMsgMethodId = 0;
jbyte* keyPtr = NULL;
@@ -408,10 +406,11 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JN
}
else
{
- // build success output
- (static_cast<char*>(pickledPtr))[pickledLength] = static_cast<char>('\0');
- pickledDataRetValue = env->NewStringUTF((const char*)pickledPtr);
+ (static_cast<char*>(pickledPtr))[pickledLength] = static_cast<char>('\0');
LOGD(" ## serializeDataWithKeyJni(): success - result=%lu pickled=%s", static_cast<long unsigned int>(result), static_cast<char*>(pickledPtr));
+
+ pickledDataRet = env->NewByteArray(pickledLength);
+ env->SetByteArrayRegion(pickledDataRet, 0 , pickledLength, (jbyte*)pickledPtr);
}
free(pickledPtr);
@@ -424,7 +423,7 @@ JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JN
env->ReleaseByteArrayElements(aKeyBuffer, keyPtr, JNI_ABORT);
}
- return pickledDataRetValue;
+ return pickledDataRet;
}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h
index af763f4..7ed6d8b 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h
@@ -33,11 +33,11 @@ JNIEXPORT void OLM_INBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env
JNIEXPORT jlong OLM_INBOUND_GROUP_SESSION_FUNC_DEF(createNewSessionJni)(JNIEnv *env, jobject thiz);
JNIEXPORT jint OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initInboundGroupSessionWithSessionKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aSessionKeyBuffer);
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz);
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aEncryptedMsg, jobject aDecryptIndex, jobject aErrorMsg);
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz);
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aEncryptedMsg, jobject aDecryptIndex, jobject aErrorMsg);
// serialization
-JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKey, jobject aErrorMsg);
+JNIEXPORT jbyteArray OLM_INBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKey, jobject aErrorMsg);
JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initWithSerializedDataJni)(JNIEnv *env, jobject thiz, jbyteArray aSerializedData, jbyteArray aKey);
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
index 7fea2f1..f1d124e 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h
@@ -74,7 +74,6 @@ jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
jlong getInboundGroupSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
jlong getOutboundGroupSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
jlong getUtilityInstanceId(JNIEnv* aJniEnv, jobject aJavaObject);
-jstring javaCStringToUtf8(JNIEnv *env, uint8_t *aCStringMsgPtr, size_t aMsgLength);
#ifdef __cplusplus
}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp
index c649d32..9205fc0 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp
@@ -213,45 +213,3 @@ jlong getUtilityInstanceId(JNIEnv* aJniEnv, jobject aJavaObject)
jlong instanceId = getInstanceId(aJniEnv, aJavaObject, CLASS_OLM_UTILITY);
return instanceId;
}
-
-/**
-* Convert a C string into a UTF-8 format string.
-* The conversion is performed in JAVA side to workaround the issue in NewStringUTF().
-* The problem is described here: https://github.com/eclipsesource/J2V8/issues/142
-*/
-jstring javaCStringToUtf8(JNIEnv *env, uint8_t *aCStringMsgPtr, size_t aMsgLength)
-{
- jstring convertedRetValue = 0;
- jbyteArray tempByteArray = NULL;
-
- if (!aCStringMsgPtr || !env)
- {
- LOGE("## javaCStringToUtf8(): failure - invalid parameters (null)");
- }
- else if (!(tempByteArray = env->NewByteArray(aMsgLength)))
- {
- LOGE("## javaCStringToUtf8(): failure - return byte array OOM");
- }
- else
- {
- env->SetByteArrayRegion(tempByteArray, 0, aMsgLength, (const jbyte*)aCStringMsgPtr);
-
- // UTF-8 conversion from JAVA
- jstring strEncode = (env)->NewStringUTF("UTF-8");
- jclass jClass = env->FindClass("java/lang/String");
- jmethodID cstor = env->GetMethodID(jClass, "<init>", "([BLjava/lang/String;)V");
-
- if (jClass && strEncode)
- {
- convertedRetValue = (jstring) env->NewObject(jClass, cstor, tempByteArray, strEncode);
- LOGD(" ## javaCStringToUtf8(): succeed");
- env->DeleteLocalRef(tempByteArray);
- }
- else
- {
- LOGE(" ## javaCStringToUtf8(): failure - invalid Java references");
- }
- }
-
- return convertedRetValue;
-}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp
index 0ccc6e8..211757f 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp
@@ -138,12 +138,13 @@ JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(initOutboundGroupSessionJni)(
/**
* Get a base64-encoded identifier for this outbound group session.
*/
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz)
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz)
{
LOGD("## sessionIdentifierJni(): outbound group session IN");
- OlmOutboundGroupSession *sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz);
- jstring returnValueStr=0;
+ OlmOutboundGroupSession *sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz);
+ jbyteArray returnValue = 0;
+
if (!sessionPtr)
{
LOGE(" ## sessionIdentifierJni(): failure - invalid outbound group session instance");
@@ -172,8 +173,11 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIE
{
// update length
sessionIdPtr[result] = static_cast<char>('\0');
+
+ returnValue = env->NewByteArray(result);
+ env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionIdPtr);
+
LOGD(" ## sessionIdentifierJni(): success - outbound group session identifier result=%lu sessionId=%s",static_cast<long unsigned int>(result), reinterpret_cast<char*>(sessionIdPtr));
- returnValueStr = env->NewStringUTF((const char*)sessionIdPtr);
}
// free alloc
@@ -181,7 +185,7 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIE
}
}
- return returnValueStr;
+ return returnValue;
}
@@ -215,11 +219,12 @@ JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(messageIndexJni)(JNIEnv *env,
/**
* Get the base64-encoded current ratchet key for this session.<br>
*/
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env, jobject thiz)
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env, jobject thiz)
{
LOGD("## sessionKeyJni(): outbound group session IN");
+
OlmOutboundGroupSession *sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz);
- jstring returnValueStr = 0;
+ jbyteArray returnValue = 0;
if (!sessionPtr)
{
@@ -250,7 +255,9 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env
// update length
sessionKeyPtr[result] = static_cast<char>('\0');
LOGD(" ## sessionKeyJni(): success - outbound group session key result=%lu sessionKey=%s",static_cast<long unsigned int>(result), reinterpret_cast<char*>(sessionKeyPtr));
- returnValueStr = env->NewStringUTF((const char*)sessionKeyPtr);
+
+ returnValue = env->NewByteArray(result);
+ env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionKeyPtr);
}
// free alloc
@@ -258,15 +265,15 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env
}
}
- return returnValueStr;
+ return returnValue;
}
-
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsgBuffer)
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsgBuffer)
{
LOGD("## encryptMessageJni(): IN");
- jstring encryptedMsgRetValue = 0;
+ jbyteArray encryptedMsgRet = 0;
+
OlmOutboundGroupSession *sessionPtr = NULL;
jbyte* clearMsgPtr = NULL;
@@ -315,7 +322,9 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv
encryptedMsgPtr[encryptedLength] = static_cast<char>('\0');
LOGD(" ## encryptMessageJni(): encrypted returnedLg=%lu plainTextMsgPtr=%s",static_cast<long unsigned int>(encryptedLength), reinterpret_cast<char*>(encryptedMsgPtr));
- encryptedMsgRetValue = env->NewStringUTF((const char*)encryptedMsgPtr);
+
+ encryptedMsgRet = env->NewByteArray(encryptedLength);
+ env->SetByteArrayRegion(encryptedMsgRet, 0 , encryptedLength, (jbyte*)encryptedMsgPtr);
}
free(encryptedMsgPtr);
@@ -328,7 +337,7 @@ JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv
env->ReleaseByteArrayElements(aClearMsgBuffer, clearMsgPtr, JNI_ABORT);
}
- return encryptedMsgRetValue;
+ return encryptedMsgRet;
}
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h
index 43ec4f7..71ddb3b 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h
@@ -33,11 +33,11 @@ JNIEXPORT void OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *en
JNIEXPORT jlong OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(createNewSessionJni)(JNIEnv *env, jobject thiz);
JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(initOutboundGroupSessionJni)(JNIEnv *env, jobject thiz);
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz);
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz);
JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(messageIndexJni)(JNIEnv *env, jobject thiz);
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env, jobject thiz);
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionKeyJni)(JNIEnv *env, jobject thiz);
-JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsgBuffer);
+JNIEXPORT jbyteArray OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsgBuffer);
// serialization
JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKey, jobject aErrorMsg);
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
index 491795f..5ae68d0 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp
@@ -580,9 +580,10 @@ JNIEXPORT jint OLM_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz
* @param aEncryptedMsg message to decrypt
* @return decrypted message if operation succeed, null otherwise
*/
-JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jobject aEncryptedMsg)
+JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jobject aEncryptedMsg)
{
- jstring decryptedMsgRetValue = 0;
+ jbyteArray decryptedMsgRet = 0;
+
jclass encryptedMsgJClass = 0;
jstring encryptedMsgJstring = 0; // <= obtained from encryptedMsgFieldId
// field IDs
@@ -668,16 +669,10 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject t
}
else
{
- decryptedMsgRetValue = javaCStringToUtf8(env, plainTextMsgPtr, plaintextLength);
+ decryptedMsgRet = env->NewByteArray(plaintextLength);
+ env->SetByteArrayRegion(decryptedMsgRet, 0 , plaintextLength, (jbyte*)plainTextMsgPtr);
- if (!decryptedMsgRetValue)
- {
- LOGE(" ## decryptMessageJni(): UTF-8 Conversion failure - javaCStringToUtf8() returns null");
- }
- else
- {
- LOGD(" ## decryptMessageJni(): UTF-8 Conversion - decrypted returnedLg=%lu OK",static_cast<long unsigned int>(plaintextLength));
- }
+ LOGD(" ## decryptMessageJni(): UTF-8 Conversion - decrypted returnedLg=%lu OK",static_cast<long unsigned int>(plaintextLength));
}
}
}
@@ -698,7 +693,7 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject t
free(plainTextMsgPtr);
}
- return decryptedMsgRetValue;
+ return decryptedMsgRet;
}
@@ -706,9 +701,9 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject t
* Get the session identifier for this session.
* @return the session identifier if operation succeed, null otherwise
*/
-JNIEXPORT jstring OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, jobject thiz)
+JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, jobject thiz)
{
- jstring returnValueStr=0;
+ jbyteArray returnValue = 0;
LOGD("## getSessionIdentifierJni(): IN ");
@@ -744,13 +739,16 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, job
(static_cast<char*>(sessionIdPtr))[result] = static_cast<char>('\0');
LOGD("## getSessionIdentifierJni(): success - result=%lu sessionId=%s",static_cast<long unsigned int>(result), (char*)sessionIdPtr);
- returnValueStr = env->NewStringUTF((const char*)sessionIdPtr);
+
+ returnValue = env->NewByteArray(result);
+ env->SetByteArrayRegion(returnValue, 0 , result, (jbyte*)sessionIdPtr);
}
+
free(sessionIdPtr);
}
}
- return returnValueStr;
+ return returnValue;
}
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
index b18ac86..924b439 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h
@@ -45,9 +45,9 @@ JNIEXPORT jint OLM_SESSION_FUNC_DEF(matchesInboundSessionFromIdKeyJni)(JNIEnv *e
// encrypt/decrypt
JNIEXPORT jint OLM_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz, jbyteArray aClearMsg, jobject aEncryptedMsg);
-JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jobject aEncryptedMsg);
+JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jobject aEncryptedMsg);
-JNIEXPORT jstring OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, jobject thiz);
+JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, jobject thiz);
// serialization
JNIEXPORT jstring OLM_SESSION_FUNC_DEF(serializeDataWithKeyJni)(JNIEnv *env, jobject thiz, jbyteArray aKey, jobject aErrorMsg);
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp
index 584e83e..f4a0c80 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp
@@ -166,9 +166,10 @@ JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(verifyEd25519SignatureJni)(JNIEnv *env, j
* @param aMessage
* @return digest of the message if operation succeed, null otherwise
**/
-JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jbyteArray aMessageToHashBuffer)
+JNIEXPORT jbyteArray OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jbyteArray aMessageToHashBuffer)
{
- jstring sha256RetValue = 0;
+ jbyteArray sha256Ret = 0;
+
OlmUtility* utilityPtr = NULL;
jbyte* messagePtr = NULL;
@@ -212,9 +213,10 @@ JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jby
{
// update length
(static_cast<char*>(hashValuePtr))[result] = static_cast<char>('\0');
-
LOGD("## sha256Jni(): success - result=%lu hashValue=%s",static_cast<long unsigned int>(result), (char*)hashValuePtr);
- sha256RetValue = env->NewStringUTF((const char*)hashValuePtr);
+
+ sha256Ret = env->NewByteArray(result);
+ env->SetByteArrayRegion(sha256Ret, 0 , result, (jbyte*)hashValuePtr);
}
free(hashValuePtr);
@@ -226,5 +228,5 @@ JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jby
env->ReleaseByteArrayElements(aMessageToHashBuffer, messagePtr, JNI_ABORT);
}
- return sha256RetValue;
+ return sha256Ret;
} \ No newline at end of file
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h
index 7c3601d..16d9e7a 100644
--- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h
+++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h
@@ -30,7 +30,7 @@ extern "C" {
JNIEXPORT jlong OLM_UTILITY_FUNC_DEF(initUtilityJni)(JNIEnv *env, jobject thiz);
JNIEXPORT void OLM_UTILITY_FUNC_DEF(releaseUtilityJni)(JNIEnv *env, jobject thiz);
JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(verifyEd25519SignatureJni)(JNIEnv *env, jobject thiz, jbyteArray aSignature, jbyteArray aKey, jbyteArray aMessage);
-JNIEXPORT jstring OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jbyteArray aMessageToHash);
+JNIEXPORT jbyteArray OLM_UTILITY_FUNC_DEF(sha256Jni)(JNIEnv *env, jobject thiz, jbyteArray aMessageToHash);
#ifdef __cplusplus
}
#endif