TLS_CIPHER_AES_GCM_256_KEY_SIZE 99 include/uapi/linux/tls.h unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; TLS_CIPHER_AES_GCM_256_KEY_SIZE 2354 net/tls/tls_sw.c keysize = TLS_CIPHER_AES_GCM_256_KEY_SIZE;