.Net Framework 4.0 で TLS 1.2 が本当に使えないのか調べてみた その2
Windows 2000で TLS 1.2 が本当に使えないのか調べてみた
Windows XP + .Net Framework で TLS 1.2 を使ってみた
.Net Framework 4.0 で TLS 1.2 が本当に使えないのか調べてみた その1
| namespace System.Net { class public auto sealed ansi SecurityProtocolType extends [mscorlib]System.Enum { public staticSystem.Net.SecurityProtocolType Ssl3 = int32(0x30) public staticSystem.Net.SecurityProtocolType Tls = int32(0xc0) } } .namespace System.Net |
この数値の意味(なんで２Bitずつフラグが立ってるのか）がよく分かんなかったのだけど、それっぽい定数定義を見つけた。
| namespace System.Net { private auto sealed ansi SchProtocols extends [mscorlib]System.Enum { public static System.Net.SchProtocols Zero = int32(0x0) public static System.Net.SchProtocols PctClient = int32(0x2) public static System.Net.SchProtocols PctServer = int32(0x1) public static System.Net.SchProtocols Pct = int32(0x3) public static System.Net.SchProtocols Ssl2Client = int32(0x8) public static System.Net.SchProtocols Ssl2Server = int32(0x4) public static System.Net.SchProtocols Ssl2 = int32(0xc) public static System.Net.SchProtocols Ssl3Client = int32(0x20) public static System.Net.SchProtocols Ssl3Server = int32(0x10) public static System.Net.SchProtocols Ssl3 = int32(0x30) public static System.Net.SchProtocols TlsClient = int32(0x80) public static System.Net.SchProtocols TlsServer = int32(0x40) public static System.Net.SchProtocols Tls = int32(0xc0) public static System.Net.SchProtocols Tls11Client = int32(0x200) public static System.Net.SchProtocols Tls11Server = int32(0x100) public static System.Net.SchProtocols Tls11 = int32(0x300) public static System.Net.SchProtocols Tls12Client = int32(0x800) public static System.Net.SchProtocols Tls12Server = int32(0x400) public static System.Net.SchProtocols Tls12 = int32(0xc00) public static System.Net.SchProtocols Ssl3Tls = int32(0xf0) public static System.Net.SchProtocols UniClient = int32(0x80000000) public static System.Net.SchProtocols UniServer = int32(0x40000000) public static System.Net.SchProtocols Unified = int32(0xc0000000) public static System.Net.SchProtocols ClientMask = int32(0x80000aaa) public static System.Net.SchProtocols ServerMask = int32(0x40000555) } } |
サーバーが下位ビットで上位ビットがクライアントサポートらしい
後どうやら、以下の変数にも値が格納されてるっぽい
System.Net.SslConnectionInfo::Protocol
System.Security.Authentication.SslProtocols enabledSslProtocols
Translate
Comments