typedef struct _CPPRIVATEKEY_USAGE_PERIOD_EXTRA_CERT_CHAIN_POLICY_PARA {
DWORD cbSize;
FILETIME *pPrivateKeyUsedTime;
} CPPRIVATEKEY_USAGE_PERIOD_EXTRA_CERT_CHAIN_POLICY_PARA,
*PCPPRIVATEKEY_USAGE_PERIOD_EXTRA_CERT_CHAIN_POLICY_PARA,
CPSIGNATURE_EXTRA_CERT_CHAIN_POLICY_PARA,
*PCPSIGNATURE_EXTRA_CERT_CHAIN_POLICY_PARA,
CPTIMESTAMP_SIGNING_EXTRA_CERT_CHAIN_POLICY_PARA,
*PCPTIMESTAMP_SIGNING_EXTRA_CERT_CHAIN_POLICY_PARA;