---
name: "crypt"
section: "3trf"
platform: "linux"
package: "tcl-trf-doc"
version: "2.1.4-dfsg3-8"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/crypt/3trf"
---

# crypt(3trf)

Password hashing based on "crypt"

## NAME

crypt - Password hashing based on "crypt"

## SYNOPSIS

package require **Tcl  ?8.2?**

package require **Trf  ?2.1.3?**

**crypt** *password* *salt*

## DESCRIPTION

The command **crypt** is an interface to the **[crypt(3)](/crypt/3.md)** function for the encryption of passwords. An alternative command for the same, but based on *md5* is **md5crypt**.

- **crypt** *password* *salt*

  Encrypts the *password* using the specified *salt* and returns the generated hash value as the result of the command.

## SEE ALSO

md5crypt, trf-intro

## KEYWORDS

authentication, crypt, hash, hashing, mac, md5, message digest, password

## COPYRIGHT

```
Copyright (c) 1996-2003, Andreas Kupries <andreas_kupries@users.sourceforge.net>
```