I am trying to use cryptsetup for an SD card. I create the crypto mapper device and write a file to it. For the purpose of validation, I am using a fixed key "11111111" as passphrase. Then I tried to see the contents of this SD card using a reader and WinHex. Unfortunately these contents do not match with an encrypted copy of same file that was encrypted using this online DES encryption tool:
I specified algorithm as DES and mode as CBC.
When creating crypto device, my command is:
cryptsetup -c des-cbc-plain --key-size=64 --key-file=keyfile create sdcard0 /dev/sdcard0
Here, keyfile contains "11111111".
I tried with some other tools as well but could not get the exact same output. Is there anything else that I need to look at?
Also, is there any other way I can verify my usage of keys and encryption done using cryptsetup?
Please see if you can help. Thanks.
Abhishek
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