The WinTrustSubjectGetName function retrieves the name of a subject from a PKCS #7 Signed Data certificate that represents the subject. A trust provider can use the name to store and retrieve certificates associated with the subject.
BOOL WinTrustSubjectGetName(
LPWIN_TRUST_SIP_SUBJECT lpSubject, |
// pointer to description of the subject |
LPWIN_CERTIFICATE lpSignedData, |
// pointer to a signed data certificate |
LPWSTR lpBuffer, |
// pointer to a buffer that receives the subject name |
LPDWORD lpRequiredLength |
// pointer to the size, in bytes, of the buffer |
); |
If the function succeeds, the return value is a nonzero value.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
A trust provider calls the WinTrust implementation of the WinTrustSubjectGetName function. WinTrust then calls the WinTrustSubjectGetName implementation of the appropriate Subject Interface Package (SIP). The appropriate SIP is the one registered to handle the type of subject specified by the lpSubject parameter.
Each Subject Interface Package (SIP) DLL must implement the WinTrustSubjectGetName function. WinTrust gets a pointer to the SIP’s WinTrustSubjectGetName implementation when WinTrust calls the SIP’s WinTrustSipInitialize initialization function.
A SIP’s implementation of WinTrustSubjectGetName returns a name associated with the subject. This may be a filename, if the subject is a file, or some other string that identifies the subject. The purpose of this function is to provide a string that a trust provider can use to store and retrieve certificates associated with the subject. The name does not need to be unique, but it should identify the subject and be the same each time it is retrieved.
The LPWINTRUST_SUBJECT_GET_NAME type is a pointer to a WinTrustSubjectGetName function.
WIN_CERTIFICATE, WIN_TRUST_SIP_SUBJECT, WinTrustSipInitialize
file: /Techref/os/win/api/win32/func/src/f91_31.htm, 4KB, , updated: 2000/4/7 11:13, local time: 2024/11/5 06:10,
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