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Use -mdoc macros properly.

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Refer to the alogrithms as ``RSA Data Security MDX message digest'' as
required by the license.
This commit is contained in:
Garrett Wollman 1996-10-09 21:00:48 +00:00
parent 435b1efd18
commit 04422105e3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=18845
4 changed files with 63 additions and 52 deletions
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8
lib/libmd/md2.copyright
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@ -1,17 +1,17 @@
.\" $FreeBSD$
.\" $Id$
Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
rights reserved.
.Pp
License to copy and use this software is granted for
non-commercial Internet Privacy-Enhanced Mail provided that it is
identified as the "RSA Data Security, Inc. MD2 Message Digest
Algorithm" in all material mentioning or referencing this software
or this function.
.Pp
RSA Data Security, Inc. makes no representations concerning either
the merchantability of this software or the suitability of this
software for any particular purpose. It is provided "as is"
without express or implied warranty of any kind.
.Pp
These notices must be retained in any copies of any part of this
documentation and/or software.

8
lib/libmd/md4.copyright
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@ -1,7 +1,7 @@
.\" $FreeBSD$
.\" $Id$
Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved.
.Pp
License to copy and use this software is granted provided that it
is identified as the "RSA Data Security, Inc. MD4 Message-Digest
Algorithm" in all material mentioning or referencing this software
@ -10,11 +10,11 @@ License is also granted to make and use derivative works provided
that such works are identified as "derived from the RSA Data
Security, Inc. MD4 Message-Digest Algorithm" in all material
mentioning or referencing the derived work.
.Pp
RSA Data Security, Inc. makes no representations concerning either
the merchantability of this software or the suitability of this
software for any particular purpose. It is provided "as is"
without express or implied warranty of any kind.
.Pp
These notices must be retained in any copies of any part of this
documentation and/or software.

10
lib/libmd/md5.copyright
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@ -1,21 +1,21 @@
.\" $FreeBSD$
.\" $Id$
Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved.
.Pp
License to copy and use this software is granted provided that it
is identified as the "RSA Data Security, Inc. MD5 Message-Digest
Algorithm" in all material mentioning or referencing this software
or this function.
.Pp
License is also granted to make and use derivative works provided
that such works are identified as "derived from the RSA Data
Security, Inc. MD5 Message-Digest Algorithm" in all material
mentioning or referencing the derived work.
.Pp
RSA Data Security, Inc. makes no representations concerning either
the merchantability of this software or the suitability of this
software for any particular purpose. It is provided "as is"
without express or implied warranty of any kind.
.Pp
These notices must be retained in any copies of any part of this
documentation and/or software.

89
lib/libmd/mdX.3
View File

@ -6,9 +6,9 @@
.\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
.\" ----------------------------------------------------------------------------
.\"
.\" $FreeBSD$
.\" $Id$
.\"
.Dd July 14, 1994
.Dd October 9, 1996
.Dt MDX 3
.Os FreeBSD 2
.Sh NAME
@ -18,7 +18,7 @@
.Nm MDXEnd ,
.Nm MDXFile ,
.Nm MDXData
.Nd calculate ``MDX'' cryptographic checksum
.Nd calculate the RSA Data Security, Inc., ``MDX'' message digest
.Sh SYNOPSIS
.Fd #include <mdX.h>
.Ft void
@ -40,77 +40,88 @@ hash-function, that is, you cannot find (except by exhaustive search)
the input corresponding to a particular output. This net result is
a ``fingerprint'' of the input-data, which doesn't disclose the actual
input.
.Pp
MD2 is the slowest, MD4 is the fastest and MD5 is somewhere in the middle.
MD2 can only be used for Privacy-Enhanced Mail.
MD4 has been critizised for being to weak, and MD5 was developed as a
response to this as ``MD4 with safety-belts''. If in doubt, use MD5.
MD4 has been criticized for being too weak, so MD5 was developed in
response as ``MD4 with safety-belts''. When in doubt, use MD5.
.Pp
The
.Fn MDXInit ,
.Fn MDXUpdate
.Fn MDXUpdate ,
and
.Fn MDXFinal
functions are the core functions. Allocate a MDX_CTX, initialize it with
.Fn MDXInit
functions are the core functions. Allocate an MDX_CTX, initialize it with
.Fn MDXInit ,
run over the data with
.Fn MDXUpdate
.Fn MDXUpdate ,
and finally extract the result using
.Fn MDXFinal .
.Pp
.Fn MDXEnd
is a wrapper for
.Fn MDXFinal ,
which converts the return value to a 33 character (incl terminating NULL)
ascii string which represents the 128 bits in hexadecimal.
.Fn MDXFinal
which converts the return value to a 33-character
(including the terminating '\e0')
.Tn ASCII
string which represents the 128 bits in hexadecimal.
.Pp
.Fn MDXFile
calculates the digest of a file, and uses
.Fn MDXEnd
to return the result.
In case the file cannot be opened, NULL is returned.
If the file cannot be opened, a null pointer is returned.
.Fn MDXData
calculates the digest of a chunk of data in memory, and uses
.Fn MDXEnd
to return the result.
.Pp
When using
.Fn MDXEnd ,
.Fn MDXFile
.Fn MDXFile ,
or
.Fn MDXData ,
the
.Ar buf
argument can be NULL, in which case the returned string is allocated with
argument can be a null pointer, in which case the returned string
is allocated with
.Xr malloc 3
and subsequently must be explicitly deallocated using
.Xr free 3
after use.
If the
.Ar buf
argument isn't NULL it must point to at least 33 characters of buffer space.
argument is non-null it must point to at least 33 characters of buffer space.
.Sh SEE ALSO
.Xr md2 3 ,
.Xr md4 3 ,
.Xr md5 3
.Pp
ISOC
Internet Request For Comments
.%T RFC1319 ,
.%T RFC1320
and
.%T RFC1321 .
.Pp
RSA Laboratories
.%T Frequently Asked Questions About today's Cryptography .
.Rs
.%A B. Kaliski
.%T The MD2 Message-Digest Algorithm
.%O RFC 1319
.Re
.Rs
.%A R. Rivest
.%T The MD4 Message-Digest Algorithm
.%O RFC 1186
.Re
.Rs
.%A R. Rivest
.%T The MD5 Message-Digest Algorithm
.%O RFC 1321
.Re
.Rs
.%A RSA Laboratories
.%T Frequently Asked Questions About today's Cryptography
.Re
.Sh AUTHOR
The MD2, MD4 and MD5 is designed and written by Ron Rivest and published in
the above RFC's, including a reference implementation of each algorithm.
The original MDX routines were developed by
.Tn RSA
Data Security, Inc., and published in the above references.
This code is derived directly from these implementations by Poul-Henning Kamp
<phk@login.dkuug.dk>
.Aq Li phk@login.dkuug.dk
.Pp
Phk ristede runen.
.Sh HISTORY
These functions appeared in
@ -119,7 +130,7 @@ These functions appeared in
No method is known to exist which finds two files having the same hash value,
nor to find a file with a specific hash value.
There is on the other hand no guarantee that such a method doesn't exist.
MD2 has only been released for use in Privacy Enhanced eMail.
.Pp
MD2 has only been licensed for use in Privacy Enhanced Mail.
Use MD4 or MD5 if that isn't what you're doing.
.Sh COPYRIGHT