* The contents are **encrypted**, even though they are being sent with the **HTTP protocol**.

     *
     * @param encryptedString base64 encoded encrypted credentials
     * @return decrypted credentials
     * @throws GeneralSecurityException if decryption fails
     */
    public char[] decryptFromString(String encryptedString) throws GeneralSecurityException {
        if (encryptedString == null) {
            return null;
        }
        byte[] encrypted = Base64.getDecoder().decode(encryptedString);

            }
        }
    }

    /**
     * Decrypts Kerberos encrypted data using the specified key.
     *
     * @param data the encrypted data to decrypt
     * @param key the decryption key
     * @param type the encryption type
     * @return the decrypted data
     * @throws GeneralSecurityException if decryption fails
     */

	if _, ok := metadata[MetaSealedKeyKMS]; ok {
		return true
	}
	return false
}

// UnsealObjectKey extracts and decrypts the sealed object key
// from the metadata using KMS and returns the decrypted object
// key.
func (s3 ssekms) UnsealObjectKey(k *kms.KMS, metadata map[string]string, bucket, object string) (key ObjectKey, err error) {
	if k == nil {
		return key, Errorf("KMS not configured")
	}

		"Please check your certificate",
		"",
	)

	ErrTLSNoPassword = newErrFn(
		"Missing TLS password",
		"Please set the password to environment variable `MINIO_CERT_PASSWD` so that the private key can be decrypted",
		"",
	)

	ErrNoCertsAndHTTPSEndpoints = newErrFn(
		"HTTPS specified in endpoints, but no TLS certificate is found on the local machine",
		"Please add TLS certificate or use HTTP endpoints only",

        }

        final boolean encrypted = (this.ntlmsspFlags & NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH) != 0;
        if (encrypted) {
            try {
                trunc = this.sealServerHandle.doFinal(trunc);
                if (log.isDebugEnabled()) {
                    log.debug("Decrypted " + Hexdump.toHexString(trunc));
                }

	// Successful response.
	w.WriteHeader(http.StatusOK)
}

// Update the passed zip object metadata with the zip contents info, file name, modtime, size, etc.
// The returned zip index will de decrypted.
func updateObjectMetadataWithZipInfo(ctx context.Context, objectAPI ObjectLayer, bucket, object string, opts ObjectOptions) ([]byte, error) {
	files, srcInfo, err := getFilesListFromZIPObject(ctx, objectAPI, bucket, object, opts)

	// the ciphertext.
	Name string

	// Version is the version of the master used for
	// decryption. If empty, the latest key version
	// is used.
	Version int

	// Ciphertext is the encrypted data that gets
	// decrypted.
	Ciphertext []byte

	// AssociatedData is the crypto. associated data.
	// It must match the data used during encryption
	// or data key generation.
	AssociatedData Context
}

}

// IsEncrypted reports whether the ETag is encrypted.
func (e ETag) IsEncrypted() bool {
	// An encrypted ETag must be at least 32 bytes long.
	// It contains the encrypted ETag value + an authentication
	// code generated by the AEAD cipher.
	//
	// Here is an incorrect implementation of IsEncrypted:
	//
	//   return len(e) > 16 && !bytes.ContainsRune(e, '-')
	//
	// An encrypted ETag may contain some random bytes - e.g.

	WantServerSideChecksumType hash.ChecksumType // if set, we compute a server-side checksum of this type

	NoDecryption                        bool      // indicates if the stream must be decrypted.
	PreserveETag                        string    // preserves this etag during a PUT call.
	NoLock                              bool      // indicates to lower layers if the caller is expecting to hold locks.