com.google.crypto.tink.internal

Class Util

java.lang.Object

com.google.crypto.tink.internal.Util

public final class Util
extends Object

Helper functions used throughout Tink, for Tink internal use only.

Method Summary

Modifier and Type	Method and Description
static Integer	getAndroidApiLevel() Returns the current Andrdoid API level as integer or null if we do not run on Android.
static int	randKeyId() Returns a positive random int which can be used as a key ID in a keyset.
static Bytes	toBytesFromPrintableAscii(String s) Converts a string s to a corresponding Bytes object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

randKeyId

public static int randKeyId()

Returns a positive random int which can be used as a key ID in a keyset.

toBytesFromPrintableAscii

public static final Bytes toBytesFromPrintableAscii(String s)

Converts a string s to a corresponding Bytes object.

The string must contain only printable ASCII characters; calling it in any other way is a considered a bug in Tink. Spaces are not allowed.

Throws:

TinkBugException - if s contains a character which is not a printable ASCII character.

getAndroidApiLevel

@Nullable
public static Integer getAndroidApiLevel()

Returns the current Andrdoid API level as integer or null if we do not run on Android.