When X509_MULTI_BYTE_UINT is used for the lpszStructType with CryptEncodeObject, CryptEncodeObjectEx, CryptDecodeObject, or CryptDecodeObjectEx the following details apply.
N/A
pvStructInfo points to a CRYPT_UINT_BLOB. See BLOB Structure.
Before encoding, inserts a leading 0x00. After decoding, removes a leading 0x00.