pub unsafe extern "system" fn CryptDecryptAndVerifyMessageSignature(
pdecryptpara: *const CRYPT_DECRYPT_MESSAGE_PARA,
pverifypara: *const CRYPT_VERIFY_MESSAGE_PARA,
dwsignerindex: u32,
pbencryptedblob: *const u8,
cbencryptedblob: u32,
pbdecrypted: *mut u8,
pcbdecrypted: *mut u32,
ppxchgcert: *mut *mut CERT_CONTEXT,
ppsignercert: *mut *mut CERT_CONTEXT,
) -> BOOL