struct tls12_crypto_info_aes_gcm_128 { struct tls_crypto_info info; unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; };