diff --git a/engine/client/sys_linux.c b/engine/client/sys_linux.c
index 4755c8c65..2d299b071 100644
--- a/engine/client/sys_linux.c
+++ b/engine/client/sys_linux.c
@@ -887,3 +887,13 @@ void Sys_Sleep (double seconds)
 
 	nanosleep(&ts, NULL);
 }
+
+qboolean Sys_RandomBytes(qbyte *string, int len)
+{
+	qboolean res;
+	int fd = open("/dev/urandom", 0);
+	res = (read(fd, string, len) == len);
+	close(fd);
+
+	return res;
+}
diff --git a/engine/common/mathlib.h b/engine/common/mathlib.h
index c636a5ecf..d23ee7116 100644
--- a/engine/common/mathlib.h
+++ b/engine/common/mathlib.h
@@ -166,6 +166,7 @@ float		*Matrix4x4_CM_NewTranslation(float x, float y, float z);
 
 //projection matricies of different types... gesh
 void		Matrix4x4_CM_Orthographic (float *proj, float xmin, float xmax, float ymax, float ymin, float znear, float zfar);
+void Matrix4x4_CM_OrthographicD3D(float *proj, float xmin, float xmax, float ymax, float ymin, float znear, float zfar);
 void		Matrix4x4_CM_Projection_Far(float *proj, float fovx, float fovy, float neard, float fard);
 void		Matrix4x4_CM_Projection2 (float *proj, float fovx, float fovy, float neard);
 void		Matrix4x4_CM_Projection_Inf(float *proj, float fovx, float fovy, float neard);
diff --git a/engine/d3d/d3d_backend.c b/engine/d3d/d3d_backend.c
index 7900d1059..3c62a3df8 100644
--- a/engine/d3d/d3d_backend.c
+++ b/engine/d3d/d3d_backend.c
@@ -1983,10 +1983,10 @@ static void BE_RotateForEntity (const entity_t *e, const model_t *mod)
 		/*FIXME: no bob*/
 		float iv[16];
 		Matrix4_Invert(r_refdef.m_view, iv);
-		Matrix4_NewRotation(90, 1, 0, 0);
+		Matrix4x4_CM_NewRotation(90, 1, 0, 0);
 		Matrix4_Multiply(iv, m, mv);
-		Matrix4_Multiply(mv, Matrix4_NewRotation(-90, 1, 0, 0), iv);
-		Matrix4_Multiply(iv, Matrix4_NewRotation(90, 0, 0, 1), mv);
+		Matrix4_Multiply(mv, Matrix4x4_CM_NewRotation(-90, 1, 0, 0), iv);
+		Matrix4_Multiply(iv, Matrix4x4_CM_NewRotation(90, 0, 0, 1), mv);
 
 		IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)mv);
 	}
@@ -2285,7 +2285,7 @@ static void R_DrawPortal(batch_t *batch, batch_t **blist)
 		TransformDir(vright, paxis, vaxis, vright);
 		TransformDir(vup, paxis, vaxis, vup);
 	}
-	Matrix4_ModelViewMatrixFromAxis(r_refdef.m_view, vpn, vright, vup, r_refdef.vieworg);
+	Matrix4x4_CM_ModelViewMatrixFromAxis(r_refdef.m_view, vpn, vright, vup, r_refdef.vieworg);
 	VectorAngles(vpn, vup, r_refdef.viewangles);
 	VectorCopy(r_refdef.vieworg, r_origin);
 
diff --git a/engine/d3d/vid_d3d.c b/engine/d3d/vid_d3d.c
index af7ee2461..263296d19 100644
--- a/engine/d3d/vid_d3d.c
+++ b/engine/d3d/vid_d3d.c
@@ -850,8 +850,6 @@ static void	(D3D9_VID_SetWindowCaption)		(char *msg)
 	SetWindowText(mainwindow, msg);
 }
 
-void Matrix4_OrthographicD3D(float *proj, float xmin, float xmax, float ymax, float ymin,
-		     float znear, float zfar);
 void d3dx_ortho(float *m);
 
 void D3D9_Set2D (void)
@@ -860,13 +858,13 @@ void D3D9_Set2D (void)
 	D3DVIEWPORT9 vport;
 //	IDirect3DDevice9_EndScene(pD3DDev9);
 
-	Matrix4_OrthographicD3D(m, 0 + (0.5*vid.width/vid.pixelwidth), vid.width + (0.5*vid.width/vid.pixelwidth), 0 + (0.5*vid.height/vid.pixelheight), vid.height + (0.5*vid.height/vid.pixelheight), 0, 100);
+	Matrix4x4_CM_OrthographicD3D(m, 0 + (0.5*vid.width/vid.pixelwidth), vid.width + (0.5*vid.width/vid.pixelwidth), 0 + (0.5*vid.height/vid.pixelheight), vid.height + (0.5*vid.height/vid.pixelheight), 0, 100);
 	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_PROJECTION, (D3DMATRIX*)m);
 
-	Matrix4_Identity(m);
+	Matrix4x4_Identity(m);
 	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)m);
 
-	Matrix4_Identity(m);
+	Matrix4x4_Identity(m);
 	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_VIEW, (D3DMATRIX*)m);
 
 	vport.X = 0;
@@ -1165,14 +1163,14 @@ static void D3D9_SetupViewPort(void)
 	screenaspect = (float)r_refdef.vrect.width/r_refdef.vrect.height;
 
 	/*view matrix*/
-	Matrix4_ModelViewMatrixFromAxis(r_refdef.m_view, vpn, vright, vup, r_refdef.vieworg);
+	Matrix4x4_CM_ModelViewMatrixFromAxis(r_refdef.m_view, vpn, vright, vup, r_refdef.vieworg);
 	d3d9error(IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_VIEW, (D3DMATRIX*)r_refdef.m_view));
 
 	/*d3d projection matricies scale depth to 0 to 1*/
-	Matrix4_Projection_Inf(r_refdef.m_projection, fov_x, fov_y, gl_mindist.value/2);
+	Matrix4x4_CM_Projection_Inf(r_refdef.m_projection, fov_x, fov_y, gl_mindist.value/2);
 	d3d9error(IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_PROJECTION, (D3DMATRIX*)r_refdef.m_projection));
 	/*ogl projection matricies scale depth to -1 to 1, and I would rather my code used consistant culling*/
-	Matrix4_Projection_Inf(r_refdef.m_projection, fov_x, fov_y, gl_mindist.value);
+	Matrix4x4_CM_Projection_Inf(r_refdef.m_projection, fov_x, fov_y, gl_mindist.value);
 }
 
 static void	(D3D9_R_RenderView)				(void)
diff --git a/engine/server/sv_sys_unix.c b/engine/server/sv_sys_unix.c
index 246edacbb..cd94006ab 100644
--- a/engine/server/sv_sys_unix.c
+++ b/engine/server/sv_sys_unix.c
@@ -1062,3 +1062,13 @@ void Sys_Sleep (double seconds)
 
 	nanosleep(&ts, NULL);
 }
+
+qboolean Sys_RandomBytes(qbyte *string, int len)
+{
+	qboolean res;
+	int fd = open("/dev/urandom", 0);
+	res = (read(fd, string, len) == len);
+	close(fd);
+
+	return res;
+}