44 lines
1.1 KiB
Bash
Executable File
44 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# Author: Alexander Epstein https://github.com/alexanderepstein
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## uses openssl aes 256 cbc encryption to encrypt file salting it with password designated by user
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encrypt()
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{
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openssl enc -aes-256-cbc -salt -a -in $1 -out $2 || { echo "File not found"; exit 1; }
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echo "Successfully encrypted"
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}
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## uses openssl aes 256 cbc decryption to decrypt file
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decrypt()
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{
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openssl enc -aes-256-cbc -d -a -in $1 -out $2 || { echo "File not found"; exit 1; }
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echo "Successfully decrypted"
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}
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while getopts ":e:d::" opt; do ## alows for using options in bash
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case $opt in
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e) ## when trying to encrypt run this
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if [[ $# -gt 3 ]]; then
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echo "Option -e only accepts two arguments" <&2
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exit 1
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fi
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encrypt $2 $3
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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d) ## when trying to decrypt run this
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if [[ $# -gt 3 ]]; then
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echo "Option -d only accepts two arguments" <&2
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exit 1
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fi
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decrypt $2 $3
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;;
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:) ## will run when no arguments are provided to to e or d options
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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esac
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done
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