[unix-history] / usr / man / man1 / xsend.1

.TH XSEND 1
.SH NAME
xsend, xget, enroll \- secret mail
.SH SYNOPSIS
.B xsend
person
.br
.B xget
.br
.B enroll
.SH DESCRIPTION
These commands implement a secure communication
channel;
it is like
.IR mail (1),
but no one can read the messages except the intended recipient.
The method embodies a public-key cryptosystem using knapsacks.
.PP
To receive messages, use
.IR enroll ;
it asks you for a password that you must subsequently quote
in order to receive secret mail.
.PP
To receive secret mail,
use
.IR xget .
It asks for your password, then gives you the messages.
.PP
To send secret mail, use
.IR xsend
in the same manner as the ordinary mail command.
(However, it will accept only one target).
A message announcing the receipt of secret mail is also sent
by ordinary mail.
.SH FILES
/usr/spool/secretmail/*.key: keys
/usr/spool/secretmail/*.[0-9]: messages
.SH SEE ALSO
mail (1)
.SH BUGS
It should be integrated with ordinary mail.
The announcement of secret mail makes traffic analysis possible.
Commit	Line	Data
55d2daee BJ	1	.TH XSEND 1
	2	.SH NAME
	3	xsend, xget, enroll \- secret mail
	4	.SH SYNOPSIS
	5	.B xsend
	6	person
	7	.br
	8	.B xget
	9	.br
	10	.B enroll
	11	.SH DESCRIPTION
	12	These commands implement a secure communication
	13	channel;
	14	it is like
	15	.IR mail (1),
	16	but no one can read the messages except the intended recipient.
	17	The method embodies a public-key cryptosystem using knapsacks.
	18	.PP
	19	To receive messages, use
	20	.IR enroll ;
	21	it asks you for a password that you must subsequently quote
	22	in order to receive secret mail.
	23	.PP
	24	To receive secret mail,
	25	use
	26	.IR xget .
	27	It asks for your password, then gives you the messages.
	28	.PP
	29	To send secret mail, use
	30	.IR xsend
	31	in the same manner as the ordinary mail command.
	32	(However, it will accept only one target).
	33	A message announcing the receipt of secret mail is also sent
	34	by ordinary mail.
	35	.SH FILES
	36	/usr/spool/secretmail/*.key: keys
	37	/usr/spool/secretmail/*.[0-9]: messages
	38	.SH SEE ALSO
	39	mail (1)
	40	.SH BUGS
	41	It should be integrated with ordinary mail.
	42	The announcement of secret mail makes traffic analysis possible.