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Pim Otte 2017-02-23 16:48:10 +01:00 • committed by AsamK
parent 0744dcccf1
commit d91e20e1f8
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31
src/main/java/org/asamk/signal/Util.java
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@ -1,31 +0,0 @@
package org.asamk.signal;
import java.io.File;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
class Util {
public static String getSecret(int size) {
byte[] secret = getSecretBytes(size);
return Base64.encodeBytes(secret);
}
public static byte[] getSecretBytes(int size) {
byte[] secret = new byte[size];
getSecureRandom().nextBytes(secret);
return secret;
}
private static SecureRandom getSecureRandom() {
try {
return SecureRandom.getInstance("SHA1PRNG");
} catch (NoSuchAlgorithmException e) {
throw new AssertionError(e);
}
}
public static File createTempFile() throws IOException {
return File.createTempFile("signal_tmp_", ".tmp");
}
}