linux/drivers/md/Kconfig
Eric Biggers d1c3b6b8e7 dm-crypt: Reimplement elephant diffuser using AES library
Simplify and optimize dm-crypt's implementation of Bitlocker's "elephant
diffuser" to use the AES library instead of an "ecb(aes)"
crypto_skcipher.

Note: struct aes_enckey is fixed-size, so it could be embedded directly
in struct iv_elephant_private.  But I kept it as a separate allocation
so that the size of struct crypt_config doesn't increase.  The elephant
diffuser is rarely used in dm-crypt.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2026-03-23 17:51:13 +01:00

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