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VersionsOPENSSL-PASSPHRASE-OPTIONS(1ossl) OpenSSL OPENSSL-PASSPHRASE-OPTIONS(1ossl)
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>.
3.1.3 2023-09-19 OPENSSL-PASSPHRASE-OPTIONS(1ossl)
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>.
3.1.3 2023-09-19 OPENSSL-PASSPHRASE-OPTIONS(1ossl)