// ntddcdvd.h

typedef struct _AACS_SEND_CHALLENGE_KEY {
  DVD_SESSION_ID     SessionId;
  AACS_CHALLENGE_KEY ChallengeKey;
} AACS_SEND_CHALLENGE_KEY, *PAACS_SEND_CHALLENGE_KEY;
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Windows Driver Kit DDI reference (ns-ntddcdvd-_aacs_send_challenge_key)

_AACS_SEND_CHALLENGE_KEY structure

Description

The AACS_SEND_CHALLENGE_KEY structure is defined as a challenge key that host software sends to an Advanced Access Content System (AACS) device.

Members

`SessionId`

A value of type DVD_SESSION_ID that specifies an Authentication Grant Identifier (AGID).

`ChallengeKey`

A structure of type AACS_CHALLENGE_KEY that specifies the challenge key to retrieve.

Remarks

Host software send this challenge key to an AACS-compliant device with an IOCTL_AACS_SEND_CHALLENGE_KEY request.

AACS_SEND_CHALLENGE_KEY - NtDoc