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package sun.security.krb5.internal.crypto;

import sun.security.krb5.internal.crypto.dk.Des3DkCrypto;
import sun.security.krb5.KrbCryptoException;
import java.security.GeneralSecurityException;

Class with static methods for doing Triple DES operations.
/** * Class with static methods for doing Triple DES operations. */
public class Des3 { private static final Des3DkCrypto CRYPTO = new Des3DkCrypto(); private Des3() { } public static byte[] stringToKey(char[] chars) throws GeneralSecurityException { return CRYPTO.stringToKey(chars); } public static byte[] parityFix(byte[] value) throws GeneralSecurityException { return CRYPTO.parityFix(value); } // in bytes public static int getChecksumLength() { return CRYPTO.getChecksumLength(); } public static byte[] calculateChecksum(byte[] baseKey, int usage, byte[] input, int start, int len) throws GeneralSecurityException { return CRYPTO.calculateChecksum(baseKey, usage, input, start, len); } public static byte[] encrypt(byte[] baseKey, int usage, byte[] ivec, byte[] plaintext, int start, int len) throws GeneralSecurityException, KrbCryptoException { return CRYPTO.encrypt(baseKey, usage, ivec, null /* new_ivec */, plaintext, start, len); } /* Encrypt plaintext; do not add confounder, padding, or checksum */ public static byte[] encryptRaw(byte[] baseKey, int usage, byte[] ivec, byte[] plaintext, int start, int len) throws GeneralSecurityException, KrbCryptoException { return CRYPTO.encryptRaw(baseKey, usage, ivec, plaintext, start, len); } public static byte[] decrypt(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len) throws GeneralSecurityException { return CRYPTO.decrypt(baseKey, usage, ivec, ciphertext, start, len); }
Decrypt ciphertext; do not remove confounder, padding, or check checksum
/** * Decrypt ciphertext; do not remove confounder, padding, * or check checksum */
public static byte[] decryptRaw(byte[] baseKey, int usage, byte[] ivec, byte[] ciphertext, int start, int len) throws GeneralSecurityException { return CRYPTO.decryptRaw(baseKey, usage, ivec, ciphertext, start, len); } };