public void init(int mode, byte[] key, byte[] iv) throws Exception {
byte[] tmp;
if (key.length > bsize) {
tmp = new byte[bsize];
System.arraycopy(key, 0, tmp, 0, tmp.length);
key = tmp;
}
try {
cipher = javax.crypto.Cipher.getInstance("RC4");
SecretKeySpec _key = new SecretKeySpec(key, "RC4");
synchronized (javax.crypto.Cipher.class) {
cipher.init(
(mode == ENCRYPT_MODE
? javax.crypto.Cipher.ENCRYPT_MODE
: javax.crypto.Cipher.DECRYPT_MODE),
_key);
}
byte[] foo = new byte[1];
for (int i = 0; i < skip; i++) {
cipher.update(foo, 0, 1, foo, 0);
}
} catch (Exception e) {
cipher = null;
throw e;
}
}
public void init(int mode, byte[] key, byte[] iv) throws Exception {
String pad = "NoPadding";
byte[] tmp;
if (key.length > bsize) {
tmp = new byte[bsize];
System.arraycopy(key, 0, tmp, 0, tmp.length);
key = tmp;
}
try {
cipher = javax.crypto.Cipher.getInstance("RC4");
SecretKeySpec _key = new SecretKeySpec(key, "RC4");
cipher.init(
(mode == ENCRYPT_MODE
? javax.crypto.Cipher.ENCRYPT_MODE
: javax.crypto.Cipher.DECRYPT_MODE),
_key);
} catch (Exception e) {
cipher = null;
throw e;
}
}
public void update(byte[] foo, int s1, int len, byte[] bar, int s2) throws Exception {
cipher.update(foo, s1, len, bar, s2);
}
