PORT_Alloc
if ((privKeyBytes = PORT_Alloc(2*len, kmflag)) == NULL) goto cleanup;
if ((pointQ.data = PORT_Alloc(2*len + 1, kmflag)) == NULL) goto cleanup;
kGpoint.data = PORT_Alloc(2*flen + 1, kmflag);
to->data = (unsigned char*) PORT_Alloc(from->len, kmflag);
result->data = PORT_Alloc(len, kmflag);