#ifndef _NTREGAPI_H

/**
 * Reports the registry trust classification associated with the containing hive.
 * KeyTrustInformation requires at least 4 bytes and returns ResultLength = 4.
 * TrustedKey occupies bit 0. The ordinary getter sets it when bit 0 of
 * CMHIVE.Flags is clear and clears it when that hive flag is set. This is registry
 * metadata, not a general statement that the key's contents are secure, authentic
 * or safe to execute. Ignore the remaining 31 bits; this query does not grant
 * access or change the hive's trust classification.
 */
typedef struct _KEY_TRUST_INFORMATION
{
    ULONG TrustedKey : 1;
    ULONG Reserved : 31;
} KEY_TRUST_INFORMATION, *PKEY_TRUST_INFORMATION;

#endif
View code on GitHub