doc: give a stronger security warning in md5/sha1 man pages

* man/md5sum.x: Give a more direct warning againt the use
of this hash algorithm for security purposes.
* man/sha1sum.x: Likewise.
Suggested by Jim Meyering.

diff --git a/man/md5sum.x b/man/md5sum.x
index 4d04e228aea756fac4f023945b4f841a269ff8ea..bdb6cc76534094291014e54907fef462edf7ad45 100644 (file)
--- a/man/md5sum.x
+++ b/man/md5sum.x
@@ -3,7 +3,7 @@ md5sum \- compute and check MD5 message digest
 [DESCRIPTION]
 .\" Add any additional description here
 [BUGS]
-The MD5 algorithm should not be used any more for security related purposes.
-Instead, better use an SHA\-2 algorithm, implemented in the programs
+Do not use the MD5 algorithm for security related purposes.
+Instead, use an SHA\-2 algorithm, implemented in the programs
 sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1),
 or the BLAKE2 algorithm, implemented in b2sum(1)

diff --git a/man/sha1sum.x b/man/sha1sum.x
index 28098d86b62f3d21bb99f6860b9c556ca19944e2..ef0852f4d189171daf831563daf272807991deac 100644 (file)
--- a/man/sha1sum.x
+++ b/man/sha1sum.x
@@ -3,7 +3,7 @@ sha1sum \- compute and check SHA1 message digest
 [DESCRIPTION]
 .\" Add any additional description here
 [BUGS]
-The SHA-1 algorithm should not be used any more for security related purposes.
-Instead, better use an SHA\-2 algorithm, implemented in the programs
+Do not use the SHA-1 algorithm for security related purposes.
+Instead, use an SHA\-2 algorithm, implemented in the programs
 sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1),
 or the BLAKE2 algorithm, implemented in b2sum(1)