C_DecryptInit
C_DecryptInit(CK_SESSION_HANDLE hSession,
C_DecryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
C_DecryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
C_DecryptInit(CK_SESSION_HANDLE hSession,