openssl-passphrase-options(1) - phpMan

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OPENSSL-PASSPHRASE-OPTIONS(1SSL)             OpenSSL             OPENSSL-PASSPHRASE-OPTIONS(1SSL)

NAME
       openssl-passphrase-options - Pass phrase options

SYNOPSIS
       openssl command [ options ... ] [ parameters ... ]

DESCRIPTION
       Several OpenSSL commands accept password arguments, typically using -passin and -passout
       for input and output passwords respectively. These allow the password to be obtained from
       a variety of sources. Both of these options take a single argument whose format is
       described below. If no password argument is given and a password is required then the user
       is prompted to enter one: this will typically be read from the current terminal with
       echoing turned off.

       Note that character encoding may be relevant, please see passphrase-encoding(7).

OPTIONS
   Pass Phrase Option Arguments
       Pass phrase arguments can be formatted as follows.

       pass:password
           The actual password is password. Since the password is visible to utilities (like 'ps'
           under Unix) this form should only be used where security is not important.

       env:var
           Obtain the password from the environment variable var. Since the environment of other
           processes is visible on certain platforms (e.g. ps under certain Unix OSes) this
           option should be used with caution.

       file:pathname
           The first line of pathname is the password. If the same pathname argument is supplied
           to -passin and -passout arguments then the first line will be used for the input
           password and the next line for the output password. pathname need not refer to a
           regular file: it could for example refer to a device or named pipe.

       fd:number
           Read the password from the file descriptor number. This can be used to send the data
           via a pipe for example.

       stdin
           Read the password from standard input.

COPYRIGHT
       Copyright 2000-2020 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>.

3.0.2                                       2024-08-20           OPENSSL-PASSPHRASE-OPTIONS(1SSL)

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