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package sun.security.krb5.internal.crypto;

import sun.security.krb5.internal.crypto.dk.AesSha2DkCrypto;
import sun.security.krb5.KrbCryptoException;
import java.security.GeneralSecurityException;

Class with static methods for doing aes256-cts-hmac-sha384-192 operations.
/** * Class with static methods for doing aes256-cts-hmac-sha384-192 operations. */
public class Aes256Sha2 { private static final AesSha2DkCrypto CRYPTO = new AesSha2DkCrypto(256); private Aes256Sha2() { } public static byte[] stringToKey(char[] password, String salt, byte[] params) throws GeneralSecurityException { return CRYPTO.stringToKey(password, salt, params); } // 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 */ 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); } };