blob: 3aeefe42b9e41c35e01f45b697b218b54439e612 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
package org.spongycastle.crypto.tls;
import java.io.IOException;
public final class ProtocolVersion
{
public static final ProtocolVersion SSLv3 = new ProtocolVersion(0x0300, "SSL 3.0");
public static final ProtocolVersion TLSv10 = new ProtocolVersion(0x0301, "TLS 1.0");
public static final ProtocolVersion TLSv11 = new ProtocolVersion(0x0302, "TLS 1.1");
public static final ProtocolVersion TLSv12 = new ProtocolVersion(0x0303, "TLS 1.2");
public static final ProtocolVersion DTLSv10 = new ProtocolVersion(0xFEFF, "DTLS 1.0");
public static final ProtocolVersion DTLSv12 = new ProtocolVersion(0xFEFD, "DTLS 1.2");
private int version;
private String name;
private ProtocolVersion(int v, String name)
{
this.version = v & 0xffff;
this.name = name;
}
public int getFullVersion()
{
return version;
}
public int getMajorVersion()
{
return version >> 8;
}
public int getMinorVersion()
{
return version & 0xff;
}
public boolean isDTLS()
{
return getMajorVersion() == 0xFE;
}
public boolean isSSL()
{
return this == SSLv3;
}
public ProtocolVersion getEquivalentTLSVersion()
{
if (!isDTLS())
{
return this;
}
if (this == DTLSv10)
{
return TLSv11;
}
return TLSv12;
}
public boolean isEqualOrEarlierVersionOf(ProtocolVersion version)
{
if (getMajorVersion() != version.getMajorVersion())
{
return false;
}
int diffMinorVersion = version.getMinorVersion() - getMinorVersion();
return isDTLS() ? diffMinorVersion <= 0 : diffMinorVersion >= 0;
}
public boolean isLaterVersionOf(ProtocolVersion version)
{
if (getMajorVersion() != version.getMajorVersion())
{
return false;
}
int diffMinorVersion = version.getMinorVersion() - getMinorVersion();
return isDTLS() ? diffMinorVersion > 0 : diffMinorVersion < 0;
}
public boolean equals(Object obj)
{
return this == obj;
}
public int hashCode()
{
return version;
}
public static ProtocolVersion get(int major, int minor)
throws IOException
{
switch (major)
{
case 0x03:
switch (minor)
{
case 0x00:
return SSLv3;
case 0x01:
return TLSv10;
case 0x02:
return TLSv11;
case 0x03:
return TLSv12;
}
case 0xFE:
switch (minor)
{
case 0xFF:
return DTLSv10;
case 0xFD:
return DTLSv12;
}
}
throw new TlsFatalAlert(AlertDescription.illegal_parameter);
}
public String toString()
{
return name;
}
}
|
