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authorH. Peter Anvin <hpa@zytor.com>2009-03-08 16:03:46 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-03-08 16:03:46 -0700
commit644c287ba3a8722545e9ec41f19b123920be3ef7 (patch)
tree69760e168ddede7f71db17e3e68a2b54ad1adbaf
parentbb86af7a4d8a0191e3f9211a7b5e23ecaf25e3ad (diff)
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menu.txt: document SHA-2 passwords
-rw-r--r--doc/menu.txt14
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/menu.txt b/doc/menu.txt
index 11abce07..ee314f2a 100644
--- a/doc/menu.txt
+++ b/doc/menu.txt
@@ -167,14 +167,20 @@ MENU PASSWD passwd
(Only valid after a LABEL statement.)
Sets a password on this menu entry. "passwd" can be either a
- cleartext password, a SHA-1 encrypted password (starting with
- $4$), or and MD5 encrypted password (starting with $1$).
+ cleartext password or a password encrypted with one of the
+ following algorithms:
+
+ MD5 (Signature: $1$)
+ SHA-1 (Signature: $4$)
+ SHA-2-256 (Signature: $5$)
+ SHA-2-512: (Signature: $6$)
Use the included Perl scripts "sha1pass" or "md5pass" to
encrypt passwords. MD5 passwords are compatible with most
Unix password file utilities; SHA-1 passwords are probably
- unique to Syslinux. Obviously, if you don't encrypt your
- passwords they will not be very secure at all.
+ unique to Syslinux; SHA-2 passwords are compatible with very
+ recent Linux distributions. Obviously, if you don't encrypt
+ your passwords they will not be very secure at all.
If you are using passwords, you want to make sure you also use
the settings "NOESCAPE 1", "PROMPT 0", and either set