LUKS - Revision history

Busk at 01:16, 11 October 2023

2023-10-11T01:16:48Z

Busk at 01:14, 11 October 2023

2023-10-11T01:14:08Z

Busk at 00:53, 11 October 2023

2023-10-11T00:53:53Z

Busk at 00:50, 11 October 2023

2023-10-11T00:50:03Z

Busk at 00:45, 11 October 2023

2023-10-11T00:45:08Z

Busk at 23:48, 10 October 2023

2023-10-10T23:48:13Z

Busk at 22:06, 10 October 2023

2023-10-10T22:06:43Z

Busk: Created page with "https://opensource.com/article/21/4/linux-encryption"

2023-10-10T21:56:19Z

Created page with "https://opensource.com/article/21/4/linux-encryption"

New page

https://opensource.com/article/21/4/linux-encryption

@@ Line 42: / Line 42: @@
 # Other Condiderations
 - https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device
-- https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device
+- https://unix.stackexchange.com/questions/183798/unlock-luks-partition-using-keyfile-without-root-access
 # Other

← Older revision		Revision as of 01:14, 11 October 2023
Line 41:		Line 41:

	# Other Condiderations		# Other Condiderations
		+	- https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device
	- https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device		- https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device

← Older revision		Revision as of 00:53, 11 October 2023
Line 39:		Line 39:

	https://stackoverflow.com/questions/597188/encryption-decryption-with-multiple-keys		https://stackoverflow.com/questions/597188/encryption-decryption-with-multiple-keys
		+
		+	# Other Condiderations
		+	- https://unix.stackexchange.com/questions/77178/encrypting-loopback-images-without-using-a-loopback-device

	# Other		# Other

← Older revision		Revision as of 00:50, 11 October 2023
Line 36:		Line 36:
	```		```

		+	## Multiple key decrypt
		+
		+	https://stackoverflow.com/questions/597188/encryption-decryption-with-multiple-keys
		+
		+	# Other

	```		```

@@ Line 2: / Line 2: @@
 # Ubuntu
 ```
 dd if=/dev/urandom of=vaultfile.img bs=1M count=512
@@ Line 7: / Line 42: @@
 cryptsetup --verify-passphrase luksFormat vaultfile.img
 ```

← Older revision		Revision as of 23:48, 10 October 2023
Line 1:		Line 1:
	https://opensource.com/article/21/4/linux-encryption		https://opensource.com/article/21/4/linux-encryption
		+
		+	# Ubuntu
		+	```
		+	dd if=/dev/urandom of=vaultfile.img bs=1M count=512
		+	sudo apt install -y cryptsetup-initramfs
		+	cryptsetup --verify-passphrase luksFormat vaultfile.img
		+	```
		+
		+
		+	mounting in wsl2
		+	```
		+	cd /tmp
		+	mkdir mnt
		+	dd if=/dev/urandom of=foo2.img bs=1M count=512
		+	mkfs ext2 -F foo2.img
		+	mount -o loop foo2.img /tmp/mnt
		+	umount mnt
		+	```

← Older revision		Revision as of 22:06, 10 October 2023
Line 1:		Line 1:
	https://opensource.com/article/21/4/linux-encryption		https://opensource.com/article/21/4/linux-encryption
		+
		+
		+	# More
		+	```
		+	#!/bin/bash
		+
		+	FILENAME="private.img";
		+	FILESIZE="100M";
		+
		+	# Create encrypted volume if it doesn't exist
		+	if [ ! -f $FILENAME ]; then
		+
		+	echo "Creating image file...";
		+	dd if=/dev/zero of=$FILENAME bs=$FILESIZE count=0 seek=1
		+
		+	echo "Setting permissions...";
		+	chmod 600 $FILENAME;
		+
		+	echo "Mounting image file...";
		+	sudo losetup -D;
		+	sudo losetup /dev/loop0 $FILENAME;
		+
		+	echo "Encrypting image file...";
		+	sudo cryptsetup -q -y luksFormat /dev/loop0;
		+
		+	echo "Opening encrypted volume...";
		+	sudo cryptsetup luksOpen /dev/loop0 encrypted;
		+
		+	echo "Zeroing encrypted volume...";
		+	sudo dd if=/dev/zero of=/dev/mapper/encrypted;
		+
		+	echo "Formatting encrypted volume...";
		+	sudo mkfs.ext4 -L "encrypted" /dev/mapper/encrypted;
		+
		+	echo "Closing encrypted volume...";
		+	sudo cryptsetup luksClose /dev/mapper/encrypted;
		+	sudo losetup -D;
		+
		+	fi
		+
		+	echo "Mounting image file...";
		+	sudo losetup -D;
		+	sudo losetup /dev/loop0 $FILENAME;
		+
		+	echo "Decrypting image file...";
		+	sudo cryptsetup luksOpen /dev/loop0 encrypted;
		+
		+	echo "Mounting encrypted volume...";
		+	sudo mount /dev/mapper/encrypted /mnt/encrypted;
		+	vim -i NONE -c 'set noswapfile' -c 'set nobackup' -c 'set noundofile' --cmd 'set undodir=/dev/null' /mnt/encrypted/;
		+
		+	echo "Unmounting encrypted volume...";
		+	sudo umount /mnt/encrypted;
		+
		+	echo "Closing encrypted volume...";
		+	sudo cryptsetup luksClose /dev/mapper/encrypted;
		+
		+	echo "Unmounting image file...";
		+	sudo losetup -D;
		+	```