# man > OPENSSL-SRP(1SSL)

[_OPENSSL-SRP_(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-SRP/1SSL/markdown)                              OpenSSL                             [_OPENSSL-SRP_(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-SRP/1SSL/markdown)

## NAME
       openssl-srp - maintain SRP password file

## SYNOPSIS
       **openssl srp **[**-help**] [**-verbose**] [**-add**] [**-modify**] [**-delete**] [**-list**] [**-name _**section_] [**-srpvfile**
       _file_] [**-gn _**identifier_] [**-userinfo _**text_] [**-passin _**arg_] [**-passout _**arg_] [**-engine _**id_] [**-rand**
       _files_] [**-writerand _**file_] [**-provider _**name_] [**-provider-path _**path_] [**-propquery _**propq_] [**-config**
       _configfile_] [_user_ ...]

## DESCRIPTION
       This command is deprecated. It is used to maintain an SRP (secure remote password) file. At
       most one of the **-add**, **-modify**, **-delete**, and **-list **options can be specified.  These options
       take zero or more usernames as parameters and perform the appropriate operation on the SRP
       file.  For **-list**, if no _user_ is given then all users are displayed.

       The configuration file to use, and the section within the file, can be specified with the
### -config  -name 

## OPTIONS
### -help
           Display an option summary.

### -verbose
           Generate verbose output while processing.

### -add
           Add a user and SRP verifier.

### -modify
           Modify the SRP verifier of an existing user.

### -delete
           Delete user from verifier file.

### -list
           List users.

### -name
           The particular SRP definition to use.

### -srpvfile _
           If the config file is not specified, **-srpvfile **can be used to specify the file to operate
           on.

### -gn 

### -userinfo
           specifies additional information to add when adding or modifying a user.

### -passin _ -passout _
           The password source for the input and output file.  For more information about the format
           of **arg **see [**openssl-passphrase-options**(1)](https://www.chedong.com/phpMan.php/man/openssl-passphrase-options/1/markdown).

### -engine _
           See "Engine Options" in [**openssl**(1)](https://www.chedong.com/phpMan.php/man/openssl/1/markdown).  This option is deprecated.

### -rand _ -writerand _
           See "Random State Options" in [**openssl**(1)](https://www.chedong.com/phpMan.php/man/openssl/1/markdown) for details.

### -provider _
### -provider-path _
### -propquery _
           See "Provider Options" in [**openssl**(1)](https://www.chedong.com/phpMan.php/man/openssl/1/markdown), [**provider**(7)](https://www.chedong.com/phpMan.php/man/provider/7/markdown), and [**property**(7)](https://www.chedong.com/phpMan.php/man/property/7/markdown).

### -config _
           See "Configuration Option" in [**openssl**(1)](https://www.chedong.com/phpMan.php/man/openssl/1/markdown).

           [**-rand _**files_] [**-writerand _**file_]

## HISTORY
       The **-engine **option was deprecated in OpenSSL 3.0.

## COPYRIGHT
       Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.

       Licensed  under  the Apache License 2.0 (the "License").  You may not use this file except in
       compliance with the License.  You can obtain a  copy  in  the  file  LICENSE  in  the  source
       distribution or at <<https://www.openssl.org/source/license.html>>.

3.0.13                                       2026-07-29                            [_OPENSSL-SRP_(1SSL)](https://www.chedong.com/phpMan.php/man/OPENSSL-SRP/1SSL/markdown)