pub unsafe extern "C" fn C_DecryptMessage(
hSession: CK_SESSION_HANDLE,
pParameter: CK_VOID_PTR,
ulParameterLen: CK_ULONG,
pAssociatedData: CK_BYTE_PTR,
ulAssociatedDataLen: CK_ULONG,
pCiphertext: CK_BYTE_PTR,
ulCiphertextLen: CK_ULONG,
pPlaintext: CK_BYTE_PTR,
pulPlaintextLen: CK_ULONG_PTR,
) -> CK_RV