Decrypt given data previously encoded with aria-256-gcm cipher algo. ARIA with a 256-bit key in GCM (Galois/Counter Mode), a modern and secure authenticated encryption mode. Part of ARIA’s standard modes offering both encryption and integrity verification. Very secure, highly recommended for use in modern cryptographic systems. Our decryption process assumes the IV string is prepended in the encoded string during the encryption process. You can not decrypt and get the correct results if the IV or passphrase mismatch occurs between encryption and decryption process.