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CRYPT_PROVIDER_DATA structure

[The CRYPT_PROVIDER_DATA structure is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions.]

The CRYPT_PROVIDER_DATA structure is used to pass data between WinVerifyTrust and trust providers.

Syntax


typedef struct _CRYPT_PROVIDER_DATA {
  DWORD                    cbStruct;
  WINTRUST_DATA            *pWintrustData;
  BOOL                     fOpenedFile;
  HWND                     hWndParent;
  GUID                     *pgActionID;
  HCRYPTPROV               hProv;
  DWORD                    dwError;
  DWORD                    dwRegSecuritySettings;
  DWORD                    dwRegPolicySettings;
  CRYPT_PROVIDER_FUNCTIONS *psPfns;
  DWORD                    cdwTrustStepErrors;
  DWORD                    *padwTrustStepErrors;
  DWORD                    chStores;
  HCERTSTORE               *pahStores;
  DWORD                    dwEncoding;
  HCRYPTMSG                hMsg;
  DWORD                    csSigners;
  CRYPT_PROVIDER_SGNR      *pasSigners;
  DWORD                    csProvPrivData;
  CRYPT_PROVIDER_PRIVDATA  pasProvPrivData;
  DWORD                    dwSubjectChoice;
  union {
    _PROVDATA_SIP *pPDSip;
  };
  char                     *pszUsageOID;
  BOOL                     fRecallWithState;
  FILETIME                 sftSystemTime;
  char                     *pszCTLSignerUsageOID;
  DWORD                    dwProvFlags;
  DWORD                    dwFinalError;
  PCERT_USAGE_MATCH        pRequestUsage;
  DWORD                    dwTrustPubSettings;
  DWORD                    dwUIStateFlags;
} CRYPT_PROVIDER_DATA, *PCRYPT_PROVIDER_DATA;

Members

cbStruct

The size, in bytes, of this structure.

pWintrustData

A pointer to a WINTRUST_DATA structure that contains the information to verify.

fOpenedFile

A Boolean value that indicates whether the trust provider opened the file handle, if applicable.

hWndParent

A handle to the parent window. If not specified, a handle to the desktop window is used.

pgActionID

A pointer to a GUID structure that identifies an action and the trust provider that supports that action.

hProv

A handle to the cryptographic service provider (CSP). If this parameter is NULL, then the operating system will provide a default CSP.

dwError

An error level if a low-level system error was encountered.

dwRegSecuritySettings

The registry security settings.

dwRegPolicySettings

The registry policy settings.

psPfns

A pointer to a CRYPT_PROVIDER_FUNCTIONS structure.

cdwTrustStepErrors

The number of elements in the padwTrustStepErrors array.

padwTrustStepErrors

An array of DWORD values that specify trust step errors.

chStores

The number of elements in the pahStores array.

pahStores

An array of certificate store handles.

dwEncoding

A value that specifies the encoding type.

hMsg

A handle to the cryptographic message.

csSigners

The number of elements in the pasSigners array.

pasSigners

A pointer to an array of CRYPT_PROVIDER_SGNR structures.

csProvPrivData

The number of elements in the pasProvPrivData array.

pasProvPrivData

A pointer to an array of CRYPT_PROVIDER_PRIVDATA structures.

dwSubjectChoice

A value that specifies the subject choice.

pPDSip

A pointer to a _PROVDATA_SIP structure.

pszUsageOID

A pointer to a null-terminated string that contains the usage object identifier (OID).

fRecallWithState

A Boolean value that indicates whether state was maintained for catalog files.

sftSystemTime

The system time.

pszCTLSignerUsageOID

A pointer to a null-terminated string that represents the certificate trust list (CTL) signer usage OID.

dwProvFlags

A bitwise combination of one or more of the following flags.

ValueMeaning
CPD_USE_NT5_CHAIN_FLAG
0x80000000

Use Windows 2000 chaining.

CPD_REVOCATION_CHECK_NONE
0x00010000

No revocation checking is performed.

CPD_REVOCATION_CHECK_END_CERT
0x00020000

Revocation checking for the end certificate is performed.

CPD_REVOCATION_CHECK_CHAIN
0x00040000

Revocation checking for the certificate chain is performed.

CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT
0x00080000

Revocation checking for the certificate chain, excluding the root certificate, is performed.

 

dwFinalError

A value for the final error.

pRequestUsage

A pointer to a CERT_USAGE_MATCH structure.

dwTrustPubSettings

A value for the trust publisher settings.

dwUIStateFlags

A DWORD value that specifies state data that is passed between a trust provider and the user interface.

Windows XP with SP1 and Windows XP:  This member is ignored.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wintrust.h

 

 

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