Encrypting/Decrypting files

ossl is shell tool for operating openssl.
Developed in bash code: 100%.
The README is used to introduce the tool and provide instructions on how to install the tool, any machine dependencies it may have and any other information that should be provided before the tool is installed.
Table of Contents
Installation

Navigate to release page download and extract release archive.
To install ossl type the following
tar xvzf ossl-3.0.tar.gz
cd ossl-3.0
cp -R ~/sh_tool/bin/ /root/scripts/ossl/ver.3.0/
cp -R ~/sh_tool/conf/ /root/scripts/ossl/ver.3.0/
cp -R ~/sh_tool/log/ /root/scripts/ossl/ver.3.0/
Self generated setup script and execution
./ossl_setup.sh
[setup] installing App/Tool/Script ossl
Mon Dec 15 05:20:24 PM CET 2025
[setup] clean up App/Tool/Script structure
[setup] copy App/Tool/Script structure
[setup] remove github editor configuration files
[setup] set App/Tool/Script permission
[setup] create symbolic link of App/Tool/Script
[setup] done
/root/scripts/ossl/ver.3.0/
├── bin/
│ └── ossl.sh
├── conf/
│ ├── ossl.cfg
│ ├── ossl.logo
│ └── ossl_util.cfg
└── log/
└── ossl.log
3 directories, 9 files
lrwxrwxrwx 1 root root 38 Dec 15 05:20 /root/bin/ossl -> /root/scripts/ossl/ver.3.0/bin/ossl.sh
Or You can use docker to create image/container.
Usage
# Create symlink for shell tool
ln -s /root/scripts/ossl/ver.3.0/bin/ossl.sh /root/bin/ossl
# Setting PATH
export PATH=${PATH}:/root/bin/
# Encrypt file
ossl enc /opt/origin.txt
ossl ver.3.0
Mon Dec 15 05:20:44 PM CET 2025
[check_root] Check permission for current session? [ok]
[check_root] Done
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Info github.io/ossl ver.3.0
Issue github.io/issue
Author vroncevic.github.io
[ossl] Loading basic and util configuration!
100% [================================================]
[load_conf] Loading App/Tool/Script configuration!
[check_cfg] Checking configuration file [/root/scripts/ossl/ver.3.0/conf/ossl.cfg] [ok]
[check_cfg] Done
[load_conf] Done
[load_util_conf] Load module configuration!
[check_cfg] Checking configuration file [/root/scripts/ossl/ver.3.0/conf/ossl_util.cfg] [ok]
[check_cfg] Done
[load_util_conf] Done
[check_op] Checking operation [enc]? [ok]
[check_op] Done
[check_tool] Checking tool [/usr/bin/openssl]? [ok]
[check_tool] Done
[ossl] Checking file [/opt/origin.txt]? [ok]
Type password: [ossl] Encrypt file [/opt/origin.txt]
[ossl] Encrypted file: -salt -in /opt/origin.txt > -out /opt/origin.txt.aes
[ossl] Done
[logging] Checking directory [/root/scripts/ossl/ver.3.0/log/]? [ok]
[logging] Write info log!
[logging] Done
[ossl] Done
Dependencies
ossl requires next modules and libraries
Shell tool structure
ossl is based on MOP.
Shell tool structure
sh_tool/
├── bin/
│ └── ossl.sh
├── conf/
│ ├── ossl.cfg
│ ├── ossl.logo
│ └── ossl_util.cfg
└── log/
└── ossl.log
Docs
More documentation and info at
Copyright and licence
Copyright (C) 2016 - 2026 by vroncevic.github.io/ossl
ossl is free software; you can redistribute it and/or modify it under the same terms as Bash itself, either Bash version 4.2.47 or, at your option, any later version of Bash 4 you may have available.
Lets help and support FSF.

