52 	struct crypt_op co;  in main()  local
66 	memset(&co, 0, sizeof(co));  in main()
67 	co.ses = cs.ses;  in main()
68 	co.op = COP_ENCRYPT;  in main()
69 	co.len = sizeof(plaintx);  in main()
70 	co.src = plaintx;  in main()
71 	co.dst = buf;  in main()
72 	co.dst_len = sizeof(buf);  in main()
73 	co.iv = iv;  in main()
74 	res = ioctl(fd, CIOCCRYPT, &co);  in main()
78 	if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))  in main()