Package net.randombit.botan.util

Class BotanUtil

java.lang.Object

net.randombit.botan.util.BotanUtil

public final class BotanUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	BotanUtil.FourParameterFunction<T,U>

Method Summary

Modifier and Type	Method	Description
static void	checkKeySize(jnr.ffi.Pointer ptr, int keySize, BotanUtil.FourParameterFunction<jnr.ffi.Pointer,jnr.ffi.byref.NativeLongByReference> getKeySpec)	Checks whether the provided key size is valid.
static byte[]	checkSecretKey(Key key)	Checks the key type and content not null.
static boolean	isNullOrEmpty(byte[] value)
static void	verifyInput(byte[] input, List<Character> allowedChars)	Verifies input contains only allowed chars

Methods inherited from class java.lang.Object

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

Method Details

verifyInput

public static void verifyInput(byte[] input,
 List<Character> allowedChars)

Verifies input contains only allowed chars

Parameters:

input - encoded input

allowedChars - allowed Character list

Throws:

IllegalArgumentException

checkSecretKey

public static byte[] checkSecretKey(Key key)
                             throws InvalidKeyException

Checks the key type and content not null.

Parameters:

key -

Returns:

byte[] encoded key

Throws:

InvalidKeyException

checkKeySize

public static void checkKeySize(jnr.ffi.Pointer ptr,
 int keySize,
 BotanUtil.FourParameterFunction<jnr.ffi.Pointer,jnr.ffi.byref.NativeLongByReference> getKeySpec)
                         throws InvalidKeyException

Checks whether the provided key size is valid.

Parameters:

ptr - the botan native reference

keySize - the provided key size

getKeySpec - the botan reference key spec method

Throws:

InvalidKeyException

isNullOrEmpty

public static boolean isNullOrEmpty(byte[] value)