> -----Original Message----- > From: Eric Biggers <ebiggers@xxxxxxxxxx> > Sent: Tuesday, July 9, 2024 5:23 AM > To: linux-scsi@xxxxxxxxxxxxxxx > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx; linux-fscrypt@xxxxxxxxxxxxxxx; Alim > Akhtar <alim.akhtar@xxxxxxxxxxx>; Avri Altman <avri.altman@xxxxxxx>; > Bart Van Assche <bvanassche@xxxxxxx>; Martin K . Petersen > <martin.petersen@xxxxxxxxxx>; Peter Griffin <peter.griffin@xxxxxxxxxx>; > André Draszik <andre.draszik@xxxxxxxxxx>; William McVicker > <willmcvicker@xxxxxxxxxx> > Subject: [PATCH v3 5/6] scsi: ufs: core: Add UFSHCD_QUIRK_KEYS_IN_PRDT > > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > Since the nonstandard inline encryption support on Exynos SoCs requires > that raw cryptographic keys be copied into the PRDT, it is desirable to zeroize > those keys after each request to keep them from being left in memory. > Therefore, add a quirk bit that enables the zeroization. > > We could instead do the zeroization unconditionally. However, using a quirk > bit avoids adding the zeroization overhead to standard devices. > > Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx> > Reviewed-by: Peter Griffin <peter.griffin@xxxxxxxxxx> > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > --- Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
