)

type TreeNode struct {
	left, right *TreeNode
	value any
}

type Block interface {
	BlockSize() int
	Encrypt(src, dst []byte)
	Decrypt(src, dst []byte)
}
</pre>

<p>
A defined type may have <a href="#Method_declarations">methods</a> associated with it.
It does not inherit any methods bound to the given type,

        byte[] result = cipher.doFinal(data);

        decrypt = new byte[result.length];
        System.arraycopy(result, 0, decrypt, 0, result.length);

        int tempSize = decrypt.length - 24;

        byte[] output = new byte[tempSize];
        System.arraycopy(decrypt, 24, output, 0, tempSize);

        return output;
    }

    /**
     * Gets the servers whose passwords should be decrypted.
     *
     * @return The servers to decrypt, never {@code null}.
     */
    List<Server> getServers();

    /**
     * Sets the servers whose passwords should be decrypted.
     *
     * @param servers The servers to decrypt, may be {@code null}.
     * @return This request, never {@code null}.
     */

                                null));
                    }
                    server.setPassword(securityDispatcher.decrypt(password));
                } catch (SecDispatcherException | IOException e) {
                    problems.add(new DefaultSettingsProblem(
                            "Failed to decrypt password for server " + server.getId() + ": " + e.getMessage(),
                            Severity.ERROR,

	if err != nil {
		t.Fatalf("Failed to generate key: %v", err)
	}
	plaintext, err := KMS.Decrypt(t.Context(), &DecryptRequest{
		Name:       key.KeyID,
		Ciphertext: key.Ciphertext,
	})
	if err != nil {
		t.Fatalf("Failed to decrypt key: %v", err)
	}
	if !bytes.Equal(key.Plaintext, plaintext) {

        // but it proves the decryption path is taken.
        assertThrows(GeneralSecurityException.class, () -> KerberosEncData.decrypt(data, key, KerberosConstants.RC4_ENC_TYPE));
    }

    /**
     * Test decrypt with DES encryption.
     *
     * @throws GeneralSecurityException if a security error occurs
     * @throws NoSuchAlgorithmException if the algorithm is not available

    }

    /**
     * Creates a new request to decrypt the specified settings.
     *
     * @param settings The settings to decrypt, must not be {@code null}.
     */
    public DefaultSettingsDecryptionRequest(Settings settings) {
        setServers(settings.getServers());
        setProxies(settings.getProxies());
    }

    /**
     * Creates a new request to decrypt the specified server.
     *

	k.updateMetrics(err, time.Since(start))

	return dek, err
}

// Decrypt decrypts a ciphertext using the master key req.Name.
// It returns ErrKeyNotFound if the key does not exist.
func (k *KMS) Decrypt(ctx context.Context, req *DecryptRequest) ([]byte, error) {
	start := time.Now()
	plaintext, err := k.conn.Decrypt(ctx, req)
	k.updateMetrics(err, time.Since(start))

	return plaintext, err
}

		Plaintext:  plaintext,
		Ciphertext: ciphertext,
	}, nil
}

// Decrypt decrypts req.Ciphertext. The key name req.Name must match the key
// name of the secretKey.
//
// Decrypt supports decryption of binary-encoded ciphertexts, as produced by KES
// and MinKMS, and legacy JSON formatted ciphertexts.
func (s secretKey) Decrypt(_ context.Context, req *DecryptRequest) ([]byte, error) {
	if req.Name != s.keyID {

            byte[] decryptedData = createDecryptedDataBytes(USER_PRINCIPAL_NAME, USER_REALM);
            mockedEncData.when(() -> KerberosEncData.decrypt(ENCRYPTED_DATA, kerberosKey, ENCRYPTION_TYPE)).thenReturn(decryptedData);
            when(kerberosKey.getKeyType()).thenReturn(ENCRYPTION_TYPE);

            KerberosTicket ticket = new KerberosTicket(validToken, (byte) 0, keys);