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CERT_BIOMETRIC_DATA structure

The CERT_BIOMETRIC_DATA structure contains information about biometric data.

Syntax


typedef struct _CERT_BIOMETRIC_DATA {
  DWORD           dwTypeOfBiometricDataChoice;
  union {
    DWORD dwPredefined;
    LPSTR pszObjId;
  };
  CERT_HASHED_URL HashedUrl;
} CERT_BIOMETRIC_DATA, *PCERT_BIOMETRIC_DATA;

Members

dwTypeOfBiometricDataChoice

Specifies the type of biometric data. This can be one of the following values.

ValueMeaning
CERT_BIOMETRIC_PREDEFINED_DATA_CHOICE

The biometric data type is one of the predefined data types. The dwPredefined member specifies the data type.

CERT_BIOMETRIC_OID_DATA_CHOICE

The biometric data type is identified by the pszObjId member.

 

dwPredefined

Specifies one of the predefined biometric data types. This member is only used if the dwTypeOfBiometricDataChoice member contains CERT_BIOMETRIC_PREDEFINED_DATA_CHOICE. This can be one of the following values.

ValueMeaning
CERT_BIOMETRIC_PICTURE_TYPE

The biometric data is a picture.

CERT_BIOMETRIC_SIGNATURE_TYPE

The biometric data is a signature.

 

pszObjId

The address of a null-terminated ANSI string that contains the object identifier (OID) of the biometric data type. This member is only used if the dwTypeOfBiometricDataChoice member contains CERT_BIOMETRIC_OID_DATA_CHOICE.

HashedUrl

A CERT_HASHED_URL structure that contains the hashed URL of the biometric data.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Wincrypt.h

See also

CERT_BIOMETRIC_EXT_INFO

 

 

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