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[src/trunk]: src/share/man/man4 New sentence, new line.
details: https://anonhg.NetBSD.org/src/rev/a9cba7146624
branches: trunk
changeset: 537756:a9cba7146624
user: grant <grant%NetBSD.org@localhost>
date: Sat Oct 05 15:52:25 2002 +0000
description:
New sentence, new line.
Improve kernel config line comment.
diffstat:
share/man/man4/cgd.4 | 33 ++++++++++++++++++++-------------
1 files changed, 20 insertions(+), 13 deletions(-)
diffs (70 lines):
diff -r 46ba6ac0a02f -r a9cba7146624 share/man/man4/cgd.4
--- a/share/man/man4/cgd.4 Sat Oct 05 15:52:15 2002 +0000
+++ b/share/man/man4/cgd.4 Sat Oct 05 15:52:25 2002 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: cgd.4,v 1.1 2002/10/04 18:57:35 elric Exp $
+.\" $NetBSD: cgd.4,v 1.2 2002/10/05 15:52:25 grant Exp $
.\"
.\" Copyright (c) 2002, The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -51,9 +51,10 @@
In order to compile support for the
.Nm
into your kernel, you must add the driver to your kernel configuration
-file. To do this, add a line similar to:
+file.
+To do this, add a line similar to:
.Bd -unfilled -offset indent
-pseudo-device cgd 4 # cryptographic disk devices
+pseudo-device cgd 4 # cryptographic disk driver
.Ed
.Pp
The count argument defines how many
@@ -63,22 +64,28 @@
Currently the following cryptographic algorithms are supported:
.Bl -tag -width indentxxxxxxx
.It aes-cbc
-AES in CBC mode. AES uses a 128 bit blocksize and can accept keys of
-length 128, 192 or 256. The default key length is 256.
+AES in CBC mode.
+AES uses a 128 bit blocksize and can accept keys of
+length 128, 192 or 256.
+The default key length is 256.
.It 3des-cbc
-Triple DES in CBC mode. Triple DES uses a 64 bit blocksize and is
-performed in EDE3 mode with a 168 bit key. The key passed to the kernel
+Triple DES in CBC mode.
+Triple DES uses a 64 bit blocksize and is
+performed in EDE3 mode with a 168 bit key.
+The key passed to the kernel
is 192 bits but the parity bits are ignored.
.It blowfish-cbc
-Blowfish in CBC mode. Blowfish uses a 64 bit blocksize and can accept
-keys of length 128.
+Blowfish in CBC mode.
+Blowfish uses a 64 bit blocksize and can accept keys of length 128.
.El
.Ss IV Methods
Currently, the only IV Method supported is
.Ar encblkno
-(Encrypted Block Number.) This method encrypts the block number of the
+(Encrypted Block Number).
+This method encrypts the block number of the
physical disk block with the cipher and key provided and uses that as the
-IV for CBC mode. This method should ensure that each block has a different
+IV for CBC mode.
+This method should ensure that each block has a different
IV and that the IV is reasonably unpredictable.
.Ss IOCTLS
A
@@ -110,8 +117,8 @@
It goes without saying that if you forget the passphrase that you used
to configure a
.Nm "" ,
-then you have irrevocably lost all of the data on the disk. Please ensure
-that you are using an appropriate backup strategy.
+then you have irrevocably lost all of the data on the disk.
+Please ensure that you are using an appropriate backup strategy.
.Sh FILES
.Bl -tag -width indentxxxxxxxxxxx
.It /dev/{,r}cgd*
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