diff options
Diffstat (limited to 'lib/libcrypt/crypt.3')
| -rw-r--r-- | lib/libcrypt/crypt.3 | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/libcrypt/crypt.3 b/lib/libcrypt/crypt.3 index 8d6e3c8..bcb3cfb 100644 --- a/lib/libcrypt/crypt.3 +++ b/lib/libcrypt/crypt.3 @@ -62,6 +62,9 @@ Currently these include the .Tn NBS .Tn Data Encryption Standard (DES) , .Tn MD5 +hash, +.Tn NT-Hash +(compatible with Microsoft's NT scheme) and .Tn Blowfish . The algorithm used will depend upon the format of the Salt (following @@ -178,11 +181,13 @@ Currently supported algorithms are: MD5 .It Blowfish +.It +NT-Hash .El .Pp Other crypt formats may be easily added. An example salt would be: .Bl -tag -offset indent -.It Cm "$3$thesalt$rest" +.It Cm "$4$thesalt$rest" .El .Pp .Ss "Traditional" crypt: @@ -213,9 +218,10 @@ Valid values are .\" NOTICE: Also make sure to update this, too, as well .\" .Ql des , -.Ql blf +.Ql blf , +.Ql md5 and -.Ql md5 . +.Ql nth . .Pp The .Fn crypt_set_format @@ -253,6 +259,12 @@ function returns a pointer to static data, and subsequent calls to will modify the same data. Likewise, .Fn crypt_set_format modifies static data. +.Pp +The NT-hash scheme does not use a salt, +and is not hard +for a competent attacker +to break. +Its use is not recommended. .Sh HISTORY A rotor-based .Fn crypt @@ -276,6 +288,7 @@ Originally written by later additions and changes by .An Poul-Henning Kamp , .An Mark R V Murray , +.An Michael Bretterklieber , .An Kris Kennaway , .An Brian Feldman , .An Paul Herman |
