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Add getRandomKey()

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This commit is contained in:
pedroGitt 2016-10-21 19:00:46 +02:00
parent fb87d8feee
commit 700b02589c
1 changed files with 17 additions and 5 deletions
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22
java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java
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@ -20,10 +20,14 @@ import android.text.TextUtils;
import android.util.Log;
import java.io.Serializable;
import java.util.Random;
public class OlmUtility implements Serializable {
public class OlmUtility {
private static final String LOG_TAG = "OlmUtility";
public static final int RANDOM_KEY_SIZE = 32;
public static final int RANDOM_RANGE = 256;
/** raw pointer value returned by JNI.
* this value uniquely identifies this utility instance.
**/
@ -128,9 +132,17 @@ public class OlmUtility implements Serializable {
private native String sha256Jni(String aMessage);
// TODO missing API: initWithSerializedData
// TODO missing API: serializeDataWithKey
// TODO missing API: initWithCoder
// TODO missing API: encodeWithCoder
public static String getRandomKey() {
String keyRetValue;
Random rand = new Random();
StringBuilder strBuilder = new StringBuilder();
for(int i = 0; i< RANDOM_KEY_SIZE; i++) {
strBuilder.append(rand.nextInt(RANDOM_RANGE));
}
keyRetValue = strBuilder.toString();
return keyRetValue;
}
}