85 lines
2.4 KiB
Bash
85 lines
2.4 KiB
Bash
#!/bin/sh
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# fail on error
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set -e
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dir_to_encrypt=./to_encrypt
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encrypted_archive_name=./.volume.bin
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encrypted_volume_name=./.encrypted_volume.tar.bz2
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encrypty(){
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echo "Compressing Directory..."
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tar cfj $encrypted_volume_name $dir_to_encrypt
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echo "Sucesfully Compressed, Shredding Directory..."
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srm -rz $dir_to_encrypt
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echo "Successfully Shredded Directory, Encrypting. Please Input Passphrase..."
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scrypt enc $encrypted_volume_name $encrypted_archive_name
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echo "Successfully Encrypted, Shredding Archive..."
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srm -rz $encrypted_volume_name
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echo "Wiping deallocated RAM..."
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sudo smem -ll # -ll is a single overwrite mode with 0xFF, single mode used for speed
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echo "Success: Encryption Done"
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}
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decrypty(){
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echo "Starting..."
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echo "Decrypting. Please Input Passphrase..."
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scrypt dec $encrypted_archive_name $encrypted_volume_name
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echo "Successfully Decrytped, Shredding Encrypted Archive..."
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srm -rz $encrypted_archive_name
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echo "Successfully Shredded Encrypted Archive, Decompressing..."
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tar xfj $encrypted_volume_name
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echo "Successfully Decompressed Decrypted Archive, Shredding Decrypted Archive..."
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srm -rz $encrypted_volume_name
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echo "Shredding deallocated RAM..."
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sudo smem -ll # -ll is a single overwrite mode with 0xFF, single mode used for speed
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echo "Success: Done"
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}
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if [ "$1" = "enc" ]; then
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encrypty
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elif [ "$1" = "dec" ]; then
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decrypty
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elif [ $1 = "install" ]; then
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if ! [ -f "$(command -v scrypt)" ] && [ -f "$(command -v tar)" ] && [ -f "$(command -v make)" ]; then
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echo "Needed Applications Not Found, Installing..."
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sudo apt install scrypt secure-delete tar build-essential
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echo "Success: Installed"
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fi
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if ! [ -f "./.secure-delete/smem" ]; then
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echo "Building Edited secure-delete Utilities..."
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cd ./.secure-delete
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sudo make
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echo "Installing Edited secure-delete Utiliies..."
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sudo make install
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echo "Cleaning Up From Build..."
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cd ..
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srm -rz ./.secure-delete
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echo "Success: secure-delete Installed"
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fi
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if ! [ -d $dir_to_encrypt ]; then
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echo "$dir_to_encrypt Not Found, Creating..."
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mkdir $dir_to_encrypt
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fi
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echo "Success: Ready to use"
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else
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echo "Usage:\nEncrypt:\n\tsh hiddencrypto.sh enc\nDecrypt:\n\tsh hiddencrypto.sh dec\nInstall:\n\tsh hiddencrypto.sh install"
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fi
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