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sun.security.krb5.internal.crypto

public Class ArcFourHmac

Class Inheritance

extends Object

java.lang.Object
sun.security.krb5.internal.crypto.ArcFourHmac

Imports

sun.security.krb5.EncryptedData, .KrbCryptoException, sun.security.krb5.internal.crypto.dk.ArcFourCrypto, java.security.GeneralSecurityException

Class with static methods for doing RC4-HMAC operations.

Author: Seema Malkani

Field Summary

Modifier and Type	Field and Description
private static final ArcFourCrypto	CRYPTO

Constructor Summary

Access	Constructor and Description
private	ArcFourHmac()

Method Summary

Modifier and Type	Method and Description
public static byte[]	calculateChecksum(byte[] baseKey, int usage, byte[] input, int start, int len)
public static byte[]	decrypt(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len)
public static byte[]	decryptRaw(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len, byte[] seqNum)
public static byte[]	decryptSeq(byte[] baseKey, int usage, byte[] checksum, byte[] ciphertext, int start, int len)
public static byte[]	encrypt(byte[] baseKey, int usage, byte[] ivec, byte[] plaintext, int start, int len)
public static byte[]	encryptRaw(byte[] baseKey, int usage, byte[] seqNum, byte[] plaintext, int start, int len)
public static byte[]	encryptSeq(byte[] baseKey, int usage, byte[] checksum, byte[] plaintext, int start, int len)
public static int	getChecksumLength()
public static byte[]	stringToKey(char[] password)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

CRYPTO	back to summary
private static final ArcFourCrypto CRYPTO

Constructor Detail

ArcFourHmac	back to summary
private ArcFourHmac()

Method Detail

calculateChecksum	back to summary
public static byte[] calculateChecksum(byte[] baseKey, int usage, byte[] input, int start, int len) throws GeneralSecurityException

decrypt	back to summary
public static byte[] decrypt(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len) throws GeneralSecurityException

decryptRaw	back to summary
public static byte[] decryptRaw(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len, byte[] seqNum) throws GeneralSecurityException

decryptSeq	back to summary
public static byte[] decryptSeq(byte[] baseKey, int usage, byte[] checksum, byte[] ciphertext, int start, int len) throws GeneralSecurityException, KrbCryptoException

encrypt	back to summary
public static byte[] encrypt(byte[] baseKey, int usage, byte[] ivec, byte[] plaintext, int start, int len) throws GeneralSecurityException, KrbCryptoException

encryptRaw	back to summary
public static byte[] encryptRaw(byte[] baseKey, int usage, byte[] seqNum, byte[] plaintext, int start, int len) throws GeneralSecurityException, KrbCryptoException

encryptSeq	back to summary
public static byte[] encryptSeq(byte[] baseKey, int usage, byte[] checksum, byte[] plaintext, int start, int len) throws GeneralSecurityException, KrbCryptoException

getChecksumLength	back to summary
public static int getChecksumLength()

stringToKey	back to summary
public static byte[] stringToKey(char[] password) throws GeneralSecurityException