Mercurial > trustbridge

annotate ui/sslhelp.cpp @ 911:bf4c8737b52c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add curl as a build option
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 18 Aug 2014 18:52:31 +0200
parents 6c4f526a4c5b
children c8a6a3e6bdeb
rev   line source
452
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
2 * Software engineering by Intevation GmbH
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
3 *
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
6 * See LICENSE.txt for details.
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
7 */
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
8 #include "sslhelp.h"
464
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
9 #include <polarssl/sha256.h>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
10 #include <polarssl/pk.h>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
11 #include <polarssl/entropy.h>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
12 #include <polarssl/ctr_drbg.h>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
13 #include <QApplication>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
14 #include <QUuid>
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
15 #include <QDebug>
452
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
16
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
17 QString getPolarSSLErrorMsg(int ret)
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
18 {
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
19 char errbuf[1020];
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
20 polarssl_strerror(ret, errbuf, 1020);
475
6c4f526a4c5b Fix off by one error
Andre Heinecke <aheinecke@intevation.de>
parents: 469
diff changeset
21 errbuf[1019] = '\0'; /* Just to be sure */
452
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
22 return QString::fromLatin1(errbuf);
f8b480b08532 Factor out polarssl error handling and start new sslhelp file
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
23 }
464
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
24
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
25 QByteArray sha256sum(const QByteArray& data)
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
26 {
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
27 unsigned char output[32];
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
28 sha256((unsigned char *)data.constData(), (size_t)data.size(), output, 0);
469
f9b0014cff97 Fix return value of sha256 sum
Andre Heinecke <aheinecke@intevation.de>
parents: 464
diff changeset
29 return QByteArray((const char *)output, 32);
464
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
30 }
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
31
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
32 QByteArray rsaSignSHA256Hash(const QByteArray& hash, pk_context *pk)
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
33 {
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
34 int ret = 0;
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
35 unsigned char sig[POLARSSL_MPI_MAX_SIZE];
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
36 size_t sig_len;
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
37 entropy_context entropy;
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
38 ctr_drbg_context ctr_drbg;
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
39
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
40 entropy_init(&entropy);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
41
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
42 QUuid uuid = QUuid::createUuid();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
43 QString personalString = QApplication::applicationName() + uuid.toString();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
44 QByteArray personalBa = personalString.toLocal8Bit();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
45
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
46 /*
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
47 * Initialize random generator.
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
48 * Personalisation string, does not need to be random but
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
49 * should be unique according to documentation.
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
50 *
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
51 * the ctr_drbg structure does not need to be freed explicitly.
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
52 */
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
53 ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy,
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
54 (const unsigned char*) personalBa.constData(),
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
55 personalBa.size());
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
56 if (ret != 0) {
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
57 qDebug() << "Failed to initialize drbg: " << getPolarSSLErrorMsg(ret);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
58 entropy_free (&entropy);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
59 return QByteArray();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
60 }
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
61
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
62 ret = pk_sign(pk, POLARSSL_MD_SHA256, (const unsigned char*) hash.constData(),
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
63 hash.size(), sig, &sig_len, ctr_drbg_random, &ctr_drbg);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
64 entropy_free (&entropy);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
65
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
66 if (ret != 0) {
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
67 qDebug() << "Failed to sign: " << getPolarSSLErrorMsg(ret);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
68 return QByteArray();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
69 }
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
70
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
71 if (sig_len != 3072 / 8) {
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
72 qDebug() << "Invalid size of signature: " << sig_len;
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
73 return QByteArray();
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
74 }
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
75
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
76 return QByteArray((const char *)sig, (int)sig_len);
2e100d3e414a Add helper functions for sha256 sum and rsa signing
Andre Heinecke <aheinecke@intevation.de>
parents: 452
diff changeset
77 }
http://wald.intevation.org/projects/trustbridge/