Milan Broz 7222547d7c Support aes-hctr2 mode. ...

The HCTR2 encryption was added to Linux kernel for fscrypt,
but as it is length-preserving mode (with sector tweak) it
can be easily used for disk encryption too.

As it need larger IV of size 32 bytes, we need to add exception
for aes-hctr2[-plain64] to be accepted in cryptsetup commands.

Fixes: #883

2024-06-06 20:57:44 +02:00

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