03-12-2002
And yes, your installation of RH7.2 probably has it. If it's not installed (type "gpg" to find out), if will be on one of the first two CDs.
The crypt command isn't used very mcuh since it's been considered very easily crackable by anyone with a little time... I agree that GPG is probably a better choice here for encrypting individual files.
There are always cryptographic filesystems too, if you REALLY feel like getting a headache...
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LEARN ABOUT PLAN9
crypt_bsdbf
crypt_bsdbf(5) Standards, Environments, and Macros crypt_bsdbf(5)
NAME
crypt_bsdbf - password hashing module using Blowfish cryptographic algorithm
SYNOPSIS
/usr/lib/security/$ISA/crypt_bsdbf.so
DESCRIPTION
The crypt_bsdbf module is a one-way password hashing module for use with crypt(3C) that uses the Blowfish cryptographic algorithm. The
algorithm identifier for crypt.conf(4) and policy.conf(4) is 2a.
The maximum password length for crypt_bsdbf is 255 characters.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO
passwd(1), crypt(3C), crypt_genhash_impl(3C), crypt_gensalt(3C), crypt_gensalt_impl(3C), getpassphrase(3C), crypt.conf(4), passwd(4), pol-
icy.conf(4), attributes(5)
SunOS 5.10 6 Aug 2003 crypt_bsdbf(5)