decryptAES256
Decrypt data using AES-256-CBC (requires 32-byte key).
data(required): Base64-encoded encrypted datakey(required): 32-byte encryption key (Base64 or hex)iv(required): 16-byte initialization vector (Base64 or hex)
utlx
{
plaintext: decryptAES256($input.ciphertext, $input.key256, $input.iv)
}