2002-03-26  Jody Goldberg <jody@gnome.org>

	* ms-biff.c (wvMD5StoreDigest) : new from libwv-7.1
	(makekey) : ditto.
	(verify_password) : tweaked from libwv.
	(skip_bytes) : new.
	(ms_biff_query_set_decrypt) : new.
	(ms_biff_query_new) : support encryption.
	(ms_biff_query_next) : ditto.
	(ms_biff_query_destroy) : ditto.

	* ms-excel-read.c (ms_biff_bof_data_new) : Use the un-decoded data.
	(ms_excel_read_sheet) : comment that it seems like bytes 12 & 16 are
	  not encrypted.
	(biff_boundsheet_data_new) : stream start pos seems un-encrypted.