private void digest(String msg, MessageDigest digest) {
// Вывести используемый алгоритм
System.out.println("Using algorithm: " + digest.getAlgorithm());
digest.reset();
byte[] bytes = msg.getBytes();
byte[] out = digest.digest(bytes);
System.out.println(out);
}
private String encode(CharSequence rawPassword, String salt) {
byte[] input = Utf8.encode(salt + rawPassword);
byte[] digest = messageDigest.digest(input);
return messageDigest.getAlgorithm().toLowerCase()
+ "$"
+ salt
+ "$"
+ new String(Hex.encode(digest));
}
/**
* Begins a new hash code computation by returning an initialized, stateful {@link
* MessageDigestHasher} instance that is ready to receive data.
*/
MessageDigestHasher newHasher() {
if (supportsClone) {
try {
return new SHA256HashFunction.MessageDigestHasher((MessageDigest) digest.clone(), bytes);
} catch (CloneNotSupportedException e) {
// falls through
}
}
return new SHA256HashFunction.MessageDigestHasher(
getMessageDigest(digest.getAlgorithm()), bytes);
}
@Override
public Hasher newHasher() {
if (supportsClone) {
try {
return new MessageDigestHasher((MessageDigest) prototype.clone(), bytes);
} catch (CloneNotSupportedException e) {
// falls through
}
}
return new MessageDigestHasher(getMessageDigest(prototype.getAlgorithm()), bytes);
}
/** Return a MessageDigest to the pool. Must be SHA-256 ! */
public static void returnMessageDigest(MessageDigest md256) {
if (md256 == null) return;
String algo = md256.getAlgorithm();
if (!(algo.equals("SHA-256") || algo.equals("SHA256")))
throw new IllegalArgumentException("Should be SHA-256 but is " + algo);
md256.reset();
synchronized (digests) {
int mdPoolSize = digests.size();
if (mdPoolSize > MESSAGE_DIGESTS_TO_CACHE || noCache) { // don't cache too many of them
if (logMINOR)
Logger.normal(
SHA256.class,
"Throwing away a SHA256 MessageDigest ("
+ mdPoolSize
+ '>'
+ MESSAGE_DIGESTS_TO_CACHE
+ ')');
return;
}
digests.add(md256);
}
}
Object writeReplace() {
return new SerializedForm(prototype.getAlgorithm(), bytes, toString);
}
/**
* Constructor.
*
* @param digest
*/
public Digest(final MessageDigest digest) {
this.algorithm = digest.getAlgorithm();
this.content = digest.digest();
}
