replace rmd160 links with sha256. it's way more popular and more better, too.

too many oks to enumerate.
while here, add Xr to the relevant libc functions in each page.

5 files changed, 41 insertions, 30 deletions

diff --git a/bin/md5/Makefile b/bin/md5/Makefile
index 455eca04731..38daaa89146 100644
--- a/bin/md5/Makefile
+++ b/bin/md5/Makefile
@@ -1,10 +1,10 @@
-#	$OpenBSD: Makefile,v 1.10 2005/05/24 21:57:47 millert Exp $
+#	$OpenBSD: Makefile,v 1.11 2010/07/12 23:16:55 tedu Exp $
 
 PROG=	md5
 SRCS=	crc.c md5.c
-MAN=	cksum.1 md5.1 sha1.1 rmd160.1
+MAN=	cksum.1 md5.1 sha1.1 sha256.1
 LINKS=	${BINDIR}/md5 ${BINDIR}/sha1 \
-	${BINDIR}/md5 ${BINDIR}/rmd160 \
+	${BINDIR}/md5 ${BINDIR}/sha256 \
 	${BINDIR}/md5 ${BINDIR}/cksum \
 	${BINDIR}/md5 ${BINDIR}/sum
 MLINKS= cksum.1 sum.1
diff --git a/bin/md5/cksum.1 b/bin/md5/cksum.1
index b32d8c7759b..2108ebf5c56 100644
--- a/bin/md5/cksum.1
+++ b/bin/md5/cksum.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: cksum.1,v 1.21 2010/03/26 19:30:40 jmc Exp $
+.\"	$OpenBSD: cksum.1,v 1.22 2010/07/12 23:16:55 tedu Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"	@(#)cksum.1	8.2 (Berkeley) 4/28/95
 .\"
-.Dd $Mdocdate: March 26 2010 $
+.Dd $Mdocdate: July 12 2010 $
 .Dt CKSUM 1
 .Os
 .Sh NAME
@@ -271,8 +271,8 @@ and
 utilities exit 0 on success or \*(Gt0 if an error occurred.
 .Sh SEE ALSO
 .Xr md5 1 ,
-.Xr rmd160 1 ,
-.Xr sha1 1
+.Xr sha1 1 ,
+.Xr sha256 1
 .Pp
 The default calculation is identical to that given in pseudo-code
 in the following ACM article:
diff --git a/bin/md5/md5.1 b/bin/md5/md5.1
index 4cc67e52a17..0abf5b35766 100644
--- a/bin/md5/md5.1
+++ b/bin/md5/md5.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: md5.1,v 1.28 2007/05/31 19:19:15 jmc Exp $
+.\"	$OpenBSD: md5.1,v 1.29 2010/07/12 23:16:55 tedu Exp $
 .\"
 .\" Copyright (c) 2003, 2004, 2006 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -18,7 +18,7 @@
 .\" Agency (DARPA) and Air Force Research Laboratory, Air Force
 .\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: July 12 2010 $
 .Dt MD5 1
 .Os
 .Sh NAME
@@ -96,8 +96,9 @@ options are processed.
 .Ex -std md5
 .Sh SEE ALSO
 .Xr cksum 1 ,
-.Xr rmd160 1 ,
-.Xr sha1 1
+.Xr sha1 1 ,
+.Xr sha256 1 ,
+.Xr md5 3
 .Rs
 .%A R. Rivest
 .%T The MD5 Message-Digest Algorithm
diff --git a/bin/md5/sha1.1 b/bin/md5/sha1.1
index b9c34db68df..94e82810046 100644
--- a/bin/md5/sha1.1
+++ b/bin/md5/sha1.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sha1.1,v 1.26 2007/05/31 19:19:15 jmc Exp $
+.\"	$OpenBSD: sha1.1,v 1.27 2010/07/12 23:16:55 tedu Exp $
 .\"
 .\" Copyright (c) 2003, 2004, 2006 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -18,7 +18,7 @@
 .\" Agency (DARPA) and Air Force Research Laboratory, Air Force
 .\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: July 12 2010 $
 .Dt SHA1 1
 .Os
 .Sh NAME
@@ -105,7 +105,8 @@ sha256, sha384 and sha512.
 .Sh SEE ALSO
 .Xr cksum 1 ,
 .Xr md5 1 ,
-.Xr rmd160 1
+.Xr sha256 1 ,
+.Xr sha1 3
 .Rs
 .%A J. Burrows
 .%T The Secure Hash Standard
diff --git a/bin/md5/rmd160.1 b/bin/md5/sha256.1
index c4f60ede694..a3c7c9be06d 100644
--- a/bin/md5/rmd160.1
+++ b/bin/md5/sha256.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: rmd160.1,v 1.24 2007/05/31 19:19:15 jmc Exp $
+.\"	$OpenBSD: sha256.1,v 1.1 2010/07/12 23:16:55 tedu Exp $
 .\"
 .\" Copyright (c) 2003, 2004, 2006 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -18,14 +18,14 @@
 .\" Agency (DARPA) and Air Force Research Laboratory, Air Force
 .\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
 .\"
-.Dd $Mdocdate: May 31 2007 $
-.Dt RMD160 1
+.Dd $Mdocdate: July 12 2010 $
+.Dt SHA1 1
 .Os
 .Sh NAME
-.Nm rmd160
+.Nm sha256
 .Nd calculate a message-digest fingerprint (checksum) for a file
 .Sh SYNOPSIS
-.Nm rmd160
+.Nm sha256
 .Op Fl bpqrtx
 .Op Fl c Op Ar checklist ...
 .Op Fl s Ar string
@@ -33,13 +33,13 @@
 .Sh DESCRIPTION
 .Nm
 takes as input a message of arbitrary length and produces
-as output a 160-bit "fingerprint" or "message digest" of the input.
+as output a 256-bit "fingerprint" or "message digest" of the input.
 It is conjectured that it is computationally infeasible to produce
 two messages having the same message digest, or to produce any
 message having a given prespecified target message digest.
 .Pp
 The
-.Em RMD-160
+.Em SHA2-256
 algorithm is intended for digital signature applications, where a
 large file must be "compressed" in a secure manner before being
 encrypted with a private (secret) key under a public-key cryptosystem
@@ -64,7 +64,7 @@ This will validate any of the supported checksums (see
 If no file is given, stdin is used.
 .It Fl p
 Echoes stdin to stdout and appends the
-.Em RMD-160
+.Em SHA2-256
 sum to stdout.
 .It Fl q
 Only print the checksum (quiet mode).
@@ -85,15 +85,24 @@ by 10 for each additional flag.
 Runs a built-in test script.
 .El
 .Pp
-The RMD-160 sum of each file listed on the command line is printed after
-the options are processed.
+The SHA2-256
+sum of each file listed on the command line is printed after the options
+are processed.
 .Pp
-.Ex -std rmd160
+The
+.Nm
+command is shorthand for
+.Bd -literal -offset indent
+cksum -a sha256
+.Ed
+.Pp
+.Ex -std sha256
 .Sh SEE ALSO
 .Xr cksum 1 ,
 .Xr md5 1 ,
-.Xr sha1 1
-.Pp
-RMD-160 is part of the ISO draft standard
-.Qq ISO/IEC DIS 10118-3
-on dedicated hash functions.
+.Xr sha1 1,
+.Xr sha2 3
+.Rs
+.%T Secure Hash Standard
+.%O FIPS PUB 180-2
+.Re