[研究] nmap 掃描 HTTPS (SSL) 的 Cipher 等級

[研究] nmap 掃描 HTTPS (SSL) 的 Cipher 等級

2017-07-29

nmap cipher 強度計算公式

https://svn.nmap.org/nmap/scripts/ssl-enum-ciphers.nse

key_strength	key_score	cipher_info.size	cipher_score	Score	Grade
strength >=4096	1	>=256	1	1	A
2048 <= strength < 4096	0.9	>=256	1	0.957	A
1024 <= strength < 2048	0.8	>=256	1	0.914	A
strength >=4096	1	128<= size <256	0.8	0.886	A
2048 <= strength < 4096	0.9	128<= size <256	0.8	0.843	A
1024 <= strength < 2048	0.8	128<= size <256	0.8	0.8	A
<1024	0.4	>=256	1	0.742	B
0 < strength < 512	0.2	>=256	1	0.656	B
<1024	0.4	128<= size <256	0.8	0.628	C
0	0	>=256	1	0.57	C
strength >=4096	1	0< size<128	0.2	0.544	C
0 < strength < 512	0.2	128<= size <256	0.8	0.542	C
2048 <= strength < 4096	0.9	0< size<128	0.2	0.501	C
1024 <= strength < 2048	0.8	0< size<128	0.2	0.458	D
0	0	128<= size <256	0.8	0.456	D
strength >=4096	1	0	0	0.43	D
2048 <= strength < 4096	0.9	0	0	0.387	D
1024 <= strength < 2048	0.8	0	0	0.344	E
<1024	0.4	0< size<128	0.2	0.286	E
0 < strength < 512	0.2	0< size<128	0.2	0.2	E
<1024	0.4	0	0	0.172	F
0	0	0< size<128	0.2	0.114	F
0 < strength < 512	0.2	0	0	0.086	F
0	0	0	0	0	F

(待續)