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
126
127
128
129
|
//
// SoftwarePublisherCertificate.cs
// - Software Publisher Certificates Implementation
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004,2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Globalization;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using Mono.Security;
using Mono.Security.X509;
namespace Mono.Security.Authenticode {
public class SoftwarePublisherCertificate {
private PKCS7.SignedData pkcs7;
public SoftwarePublisherCertificate ()
{
pkcs7 = new PKCS7.SignedData ();
pkcs7.ContentInfo.ContentType = PKCS7.Oid.data;
}
public SoftwarePublisherCertificate (byte[] data) : this ()
{
if (data == null)
throw new ArgumentNullException ("data");
PKCS7.ContentInfo ci = new PKCS7.ContentInfo (data);
if (ci.ContentType != PKCS7.Oid.signedData) {
throw new ArgumentException (
Locale.GetText ("Unsupported ContentType"));
}
pkcs7 = new PKCS7.SignedData (ci.Content);
}
public X509CertificateCollection Certificates {
get { return pkcs7.Certificates; }
}
public ArrayList Crls {
get { return pkcs7.Crls; }
}
public byte[] GetBytes ()
{
PKCS7.ContentInfo ci = new PKCS7.ContentInfo (PKCS7.Oid.signedData);
ci.Content.Add (pkcs7.ASN1);
return ci.GetBytes ();
}
static public SoftwarePublisherCertificate CreateFromFile (string filename)
{
if (filename == null)
throw new ArgumentNullException ("filename");
byte[] data = null;
using (FileStream fs = File.Open (filename, FileMode.Open, FileAccess.Read, FileShare.Read)) {
data = new byte [fs.Length];
fs.Read (data, 0, data.Length);
fs.Close ();
}
// It seems that VeriSign send the SPC file in Unicode
// (base64 encoded) and Windows accept them.
if (data.Length < 2)
return null;
if (data [0] != 0x30) {
// this isn't an ASN.1 SEQUENCE (so not legal), check for PEM/base64 encoding
try {
data = PEM (data);
}
catch (Exception ex) {
throw new CryptographicException ("Invalid encoding", ex);
}
}
#if DEBUG
using (FileStream fs = File.OpenWrite (filename + ".der")) {
fs.Write (data, 0, data.Length);
fs.Close ();
}
#endif
return new SoftwarePublisherCertificate (data);
}
const string header = "-----BEGIN PKCS7-----";
const string footer = "-----END PKCS7-----";
static byte[] PEM (byte[] data)
{
// this could be base64/unicode (e.g. VeriSign) otherwise default to ASCII
string pem = (data [1] == 0x00) ? Encoding.Unicode.GetString (data) : Encoding.ASCII.GetString (data);
int start = pem.IndexOf (header) + header.Length;
int end = pem.IndexOf (footer, start);
string base64 = ((start == -1) || (end == -1)) ? pem : pem.Substring (start, (end - start));
return Convert.FromBase64String (base64);
}
}
}
|
