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Contains a Message Authentication Code (MAC) for an Output Protection Manager (OPM) message.
Syntax
typedef struct _OPM_OMAC {
BYTE abOMAC[OPM_OMAC_SIZE];
} OPM_OMAC;
Members
abOMAC[OPM_OMAC_SIZE]
A buffer that contains the cryptographic MAC value of the message.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Header | ksopmapi.h (include Opmapi.h) |