Static ring::aead::AES_256_GCM

pub static AES_256_GCM: Algorithm = aead::Algorithm{key_len: AES_256_KEY_LEN,
                init: aes_gcm_init,
                seal: aes_gcm_seal,
                open: aes_gcm_open,
                id: aead::AlgorithmID::AES_256_GCM,
                max_input_len: AES_GCM_MAX_INPUT_LEN,}

AES-256 in GCM mode with 128-bit tags and 96 bit nonces.

C analog: EVP_aead_aes_256_gcm

Go analog: crypto.aes