d'après ce que j'ai vu sur Internet voici les clés lv1ldr des firmwaes 4.30/4.31 :
[lv1ldr]
type=SELF
revision=0000
version=0004003000000000
self_type=LV1
erk=10CEA04973FCCC12EC19924510822D8D4C41F657FD3D7E 73F415A8D687421BCD
riv=ED8699562C6AC65204FA166257E7FCF4
pub=1C0587163886C7071808501900200000143FCF9E3B8586 084080061518078D141C05C70D3885474918068C93143FCC17
ctype=30
[lv1ldr]
type=SELF
revision=0000
version=0004003000000000
self_type=LV1
erk=10CEA04973FCCC12EC19924510822D8D4C41F657FD3D7E 73F415A8D687421BCD
riv=ED8699562C6AC65204FA166257E7FCF4
pub=1C0587163886C7071808501900200000143FCF9E3B8586 084080061518078D141C05C70D3885474918068C93143FCC17
ctype=30
[lv1ldr]
type=SELF
revision=0000
version=0004003100000000
self_type=LV1
erk=10CEA04973FCCC12EC19924510822D8D4C41F657FD3D7E 73F415A8D687421BCD
riv=ED8699562C6AC65204FA166257E7FCF4
pub=1C0587163886C7071808501900200000143FCF9E3B8586 084080061518078D141C05C70D3885474918068C93143FCC17
ctype=30