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4/8/2010

This function converts a CryptoAPI algorithm identifier ( ALG_ID) to an ASN.1 object identifier string.

Syntax


LPCSTR WINAPI CertAlgIdToOID( DWORD dwAlgId );

Parameters

dwAlgId: [in] Specifies the value to be converted to an object identifier (OID).

Return Value

Returns the NULL-terminated OID string or NULL if there is no OID string that corresponds to the algorithm identifier.

Example Code

	Copy Code
// EXAMPLE CODE USING CertAlgIdToOID() to // convert the CALG_SHA algorithm identifier to an // object identifier string. + //-------------------------------------------------------------------- // Declare variables. LPCSTR pszObjID; if(pszObjID= CertAlgIdToOID(CALG_SHA)) { printf("The OID for CALG_SHA is %s \n",pszObjID); } else { printf("No object identifier string correlates to the ALG_ID. \n"); }

Copy Code

// EXAMPLE CODE USING CertAlgIdToOID() to 
// convert the CALG_SHA algorithm identifier to an 
// object identifier string.
+
//--------------------------------------------------------------------
//  Declare variables. 
LPCSTR pszObjID;
if(pszObjID= CertAlgIdToOID(CALG_SHA))
{
   printf("The OID for CALG_SHA  is %s \n",pszObjID);
}
else
{
   printf("No object identifier string correlates to the ALG_ID.
\n");
}

Requirements

Header	wincrypt.h
Library	crypt32.lib
Windows Embedded CE	Windows CE 3.0 and later
Windows Mobile	Windows Mobile Version 5.0 and later

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