// ksmedia.h

typedef struct _KS_DVDCOPY_CHLGKEY {
  BYTE ChlgKey[10];
  BYTE Reserved[2];
} KS_DVDCOPY_CHLGKEY, *PKS_DVDCOPY_CHLGKEY;
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Windows Driver Kit DDI reference (ns-ksmedia-_ks_dvdcopy_chlgkey)

_KS_DVDCOPY_CHLGKEY structure

Description

The KS_DVDCOPY_CHLGKEY structure is used to describe the challenge key information for the DVD copyright protection authentication process.

Members

`ChlgKey`

Specifies the DVD decoder minidriver's challenge key.

`Reserved`

Reserved. Do not use.

Remarks

The KS_DVDCOPY_CHLGKEY structure is used by the KSPROPERTY_DVDCOPY_CHLG_KEY property.

For more information, see DVD Copyright Protection.

KS_DVDCOPY_CHLGKEY - NtDoc