I've created an encrypted backup in 2004, using
losetup -e. I still know the passphrase, so I should be fine, but losetup is gone in the linux distributions I use.
I still have a bash script for decryption, basically it reads
SEED="JMnvk8bp2y3P" losetup -e aes128 -S "$SEED" -H sha256 "$LOOP" "$DATA" mount -t ext2 "$LOOP" "$MOUNTPOINT"
cryptsetup is supposedly backwards-compatible, it doesn't support a cryptographic seed (losetup's
Probably using an old bootable-CD linux distribution would help, but how do I find one that supports
losetup -e? I can't download some five GB just to find out.