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CertOIDToAlgId function

Use the CryptFindOIDInfo function instead of this function because ALG_ID identifiers are no longer supported in CNG. Use the CRYPT_OID_INFO_OID_KEY value in the dwKeyType parameter of the CryptFindOIDInfo function instead.

Windows Server 2003 and Windows XP:  

The CertOIDToAlgId function converts the Abstract Syntax Notation One (ASN.1) object identifier (OID) string to the CryptoAPI algorithm identifier (ALG_ID).

Syntax


DWORD WINAPI CertOIDToAlgId(
  _In_  LPCSTR pszObjId
);

Parameters

pszObjId [in]

Pointer to the ASN.1 OID to be converted to an algorithm identifier.

Return value

Returns the ALG_ID that corresponds to the object identifier (OID) or zero if no ALG_ID corresponds to the OID.

Examples

See Example C Program: Using CertOIDToAlgId and CertCompareIntegerBlob.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wincrypt.h

Library

Crypt32.lib

DLL

Crypt32.dll

See also

Data Conversion Functions

 

 

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