153 static Desbuf ivec;				/* initialization vector */  variable
209 	MEMZERO(ivec, 8);  in main()
265 			cvtkey(BUFFER(ivec), optarg);  in main()
604 			CHAR(msgbuf, n) ^= CHAR(ivec, n);  in cbcenc()
606 		MEMCPY(BUFFER(ivec), BUFFER(msgbuf), 8);  in cbcenc()
617 		CHAR(msgbuf, n) ^= CHAR(ivec, n);  in cbcenc()
642 			UCHAR(msgbuf, c) ^= UCHAR(ivec, c);  in cbcdec()
643 		MEMCPY(BUFFER(ivec), BUFFER(ibuf), 8);  in cbcdec()
678 			CHAR(encbuf, n) = CHAR(msgbuf, n) ^ CHAR(ivec, n);  in cbcauth()
680 		MEMCPY(BUFFER(ivec), BUFFER(encbuf), 8);  in cbcauth()
688 			CHAR(encbuf, n) = CHAR(msgbuf, n) ^ CHAR(ivec, n);  in cbcauth()
726 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbenc()
729 			UCHAR(ivec, n) = UCHAR(ivec, n+nbytes);  in cfbenc()
731 			UCHAR(ivec, 8-nbytes+n) = ibuf[n] ^ UCHAR(msgbuf, n);  in cfbenc()
732 		WRITE(&CHAR(ivec, 8-nbytes), nbytes);  in cfbenc()
741 	MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbenc()
770 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbdec()
773 			CHAR(ivec, c) = CHAR(ivec, c+nbytes);  in cfbdec()
775 			CHAR(ivec, 8-nbytes+c) = ibuf[c];  in cfbdec()
816 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbaenc()
819 			UCHAR(ivec, n) = UCHAR(ivec, n+nbytes);  in cfbaenc()
821 			UCHAR(ivec, 8-nbytes+n) = (ibuf[n] ^ UCHAR(msgbuf, n))  in cfbaenc()
824 			obuf[n] = CHAR(ivec, 8-nbytes+n)&0177;  in cfbaenc()
834 	MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbaenc()
863 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbadec()
866 			CHAR(ivec, c) = CHAR(ivec, c+nbytes);  in cfbadec()
868 			CHAR(ivec, 8-nbytes+c) = ibuf[c]|0200;  in cfbadec()
911 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in ofbenc()
914 			UCHAR(ivec, n) = UCHAR(ivec, n+nbytes);  in ofbenc()
916 			UCHAR(ivec, 8-nbytes+n) = UCHAR(msgbuf, n);  in ofbenc()
928 	MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in ofbenc()
957 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in ofbdec()
960 			CHAR(ivec, c) = CHAR(ivec, c+nbytes);  in ofbdec()
962 			CHAR(ivec, 8-nbytes+c) = UCHAR(msgbuf, c);  in ofbdec()
1004 		MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbauth()
1007 			UCHAR(ivec, n) = UCHAR(ivec, n+nbytes);  in cfbauth()
1009 			UCHAR(ivec, 8-nbytes+n) = ibuf[n] ^ UCHAR(msgbuf, n);  in cfbauth()
1017 	MEMCPY(BUFFER(msgbuf), BUFFER(ivec), 8);  in cfbauth()