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<div class="title">ksmimecrypto.cc</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of the KDE project</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2003 Stefan Rompf <sux@loplof.de></span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00008"></a>00008 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00017"></a>00017 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00018"></a>00018 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <qptrlist.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <qcstring.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <qstring.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include "kopenssl.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "ksslcertificate.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "ksslpkcs12.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "ksmimecrypto.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// this hack provided by Malte Starostik to avoid glibc/openssl bug</span>
<a name="l00033"></a>00033 <span class="comment">// on some systems</span>
<a name="l00034"></a>00034 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define crypt _openssl_crypt</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#include <openssl/err.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#undef crypt</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">// forward included macros to KOpenSSLProxy</span>
<a name="l00042"></a>00042 <span class="preprocessor">#define sk_new kossl->sk_new</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define sk_free kossl->sk_free</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define sk_push kossl->sk_push</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define sk_value kossl->sk_value</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#define sk_num kossl->sk_num</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define BIO_ctrl kossl->BIO_ctrl</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> eot = 0;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">class </span>KSMIMECryptoPrivate {
<a name="l00054"></a>00054 <a class="code" href="classKOpenSSLProxy.html" title="Dynamically load and wrap OpenSSL.">KOpenSSLProxy</a> *kossl;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">public</span>:
<a name="l00057"></a>00057 KSMIMECryptoPrivate(<a class="code" href="classKOpenSSLProxy.html" title="Dynamically load and wrap OpenSSL.">KOpenSSLProxy</a> *kossl);
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a>00060 STACK_OF(X509) *certsToX509(<a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &certs);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 KSMIMECrypto::rc signMessage(BIO *clearText,
<a name="l00063"></a>00063 BIO *cipherText,
<a name="l00064"></a>00064 <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey, <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &certs,
<a name="l00065"></a>00065 <span class="keywordtype">bool</span> detached);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 KSMIMECrypto::rc encryptMessage(BIO *clearText,
<a name="l00068"></a>00068 BIO *cipherText, KSMIMECrypto::algo algorithm,
<a name="l00069"></a>00069 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &recip);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 KSMIMECrypto::rc checkSignature(BIO *clearText,
<a name="l00072"></a>00072 BIO *signature, <span class="keywordtype">bool</span> detached,
<a name="l00073"></a>00073 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &recip);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 KSMIMECrypto::rc decryptMessage(BIO *cipherText,
<a name="l00076"></a>00076 BIO *clearText,
<a name="l00077"></a>00077 <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordtype">void</span> MemBIOToQByteArray(BIO *src, <a class="codeRef" href="qbytearray.html">QByteArray</a> &dest);
<a name="l00080"></a>00080
<a name="l00081"></a>00081 KSMIMECrypto::rc sslErrToRc(<span class="keywordtype">void</span>);
<a name="l00082"></a>00082 };
<a name="l00083"></a>00083
<a name="l00084"></a>00084
<a name="l00085"></a>00085 KSMIMECryptoPrivate::KSMIMECryptoPrivate(<a class="code" href="classKOpenSSLProxy.html" title="Dynamically load and wrap OpenSSL.">KOpenSSLProxy</a> *kossl): kossl(kossl) {
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088
<a name="l00089"></a>00089 STACK_OF(X509) *KSMIMECryptoPrivate::certsToX509(<a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &certs) {
<a name="l00090"></a>00090 STACK_OF(X509) *x509 = <span class="keyword">reinterpret_cast<</span>STACK_OF(X509)*<span class="keyword">></span>(sk_new(NULL));
<a name="l00091"></a>00091 <a class="code" href="classKSSLCertificate.html" title="KDE X.509 Certificate.">KSSLCertificate</a> *cert = certs.<a class="codeRef" href="qptrlist.html#first">first</a>();
<a name="l00092"></a>00092 <span class="keywordflow">while</span>(cert) {
<a name="l00093"></a>00093 sk_X509_push(x509, cert->getCert());
<a name="l00094"></a>00094 cert = certs.<a class="codeRef" href="qptrlist.html#next">next</a>();
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="keywordflow">return</span> x509;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099
<a name="l00100"></a>00100 KSMIMECrypto::rc KSMIMECryptoPrivate::signMessage(BIO *clearText,
<a name="l00101"></a>00101 BIO *cipherText,
<a name="l00102"></a>00102 <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey, <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &certs,
<a name="l00103"></a>00103 <span class="keywordtype">bool</span> detached) {
<a name="l00104"></a>00104
<a name="l00105"></a>00105 STACK_OF(X509) *other = NULL;
<a name="l00106"></a>00106 KSMIMECrypto::rc rc;
<a name="l00107"></a>00107 <span class="keywordtype">int</span> flags = detached?PKCS7_DETACHED:0;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (certs.<a class="codeRef" href="qptrlist.html#count">count</a>()) other = certsToX509(certs);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 PKCS7 *p7 = kossl->PKCS7_sign(privKey.<a class="code" href="classKSSLPKCS12.html#a8629012ce0527d8da360268019fa8716" title="Get the X.509 certificate.">getCertificate</a>()->getCert(), privKey.<a class="code" href="classKSSLPKCS12.html#a2a65acfa2725f8d20c1fc518341a42d9" title="Get the private key.">getPrivateKey</a>(),
<a name="l00112"></a>00112 other, clearText, flags);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (other) sk_X509_free(other);
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (!p7) <span class="keywordflow">return</span> sslErrToRc();
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (kossl->i2d_PKCS7_bio(cipherText, p7)) {
<a name="l00119"></a>00119 rc = KSMIMECrypto::KSC_R_OK;
<a name="l00120"></a>00120 } <span class="keywordflow">else</span> {
<a name="l00121"></a>00121 rc = sslErrToRc();
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 kossl->PKCS7_free(p7);
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordflow">return</span> rc;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 KSMIMECrypto::rc KSMIMECryptoPrivate::encryptMessage(BIO *clearText,
<a name="l00130"></a>00130 BIO *cipherText, KSMIMECrypto::algo algorithm,
<a name="l00131"></a>00131 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &recip) {
<a name="l00132"></a>00132 EVP_CIPHER *cipher = NULL;
<a name="l00133"></a>00133 KSMIMECrypto::rc rc;
<a name="l00134"></a>00134 <span class="keywordflow">switch</span>(algorithm) {
<a name="l00135"></a>00135 <span class="keywordflow">case</span> KSMIMECrypto::KSC_C_DES3_CBC:
<a name="l00136"></a>00136 cipher = kossl->EVP_des_ede3_cbc();
<a name="l00137"></a>00137 <span class="keywordflow">break</span>;
<a name="l00138"></a>00138 <span class="keywordflow">case</span> KSMIMECrypto::KSC_C_RC2_CBC_128:
<a name="l00139"></a>00139 cipher = kossl->EVP_rc2_cbc();
<a name="l00140"></a>00140 <span class="keywordflow">break</span>;
<a name="l00141"></a>00141 <span class="keywordflow">case</span> KSMIMECrypto::KSC_C_RC2_CBC_64:
<a name="l00142"></a>00142 cipher = kossl->EVP_rc2_64_cbc();
<a name="l00143"></a>00143 <span class="keywordflow">break</span>;
<a name="l00144"></a>00144 <span class="keywordflow">case</span> KSMIMECrypto::KSC_C_DES_CBC:
<a name="l00145"></a>00145 cipher = kossl->EVP_des_cbc();
<a name="l00146"></a>00146 <span class="keywordflow">break</span>;
<a name="l00147"></a>00147 <span class="keywordflow">case</span> KSMIMECrypto::KSC_C_RC2_CBC_40:
<a name="l00148"></a>00148 cipher = kossl->EVP_rc2_40_cbc();
<a name="l00149"></a>00149 <span class="keywordflow">break</span>;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (!cipher) <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_NOCIPHER;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 STACK_OF(X509) *certs = certsToX509(recip);
<a name="l00154"></a>00154
<a name="l00155"></a>00155 PKCS7 *p7 = kossl->PKCS7_encrypt(certs, clearText, cipher, 0);
<a name="l00156"></a>00156
<a name="l00157"></a>00157 sk_X509_free(certs);
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (!p7) <span class="keywordflow">return</span> sslErrToRc();
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (kossl->i2d_PKCS7_bio(cipherText, p7)) {
<a name="l00162"></a>00162 rc = KSMIMECrypto::KSC_R_OK;
<a name="l00163"></a>00163 } <span class="keywordflow">else</span> {
<a name="l00164"></a>00164 rc = sslErrToRc();
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 kossl->PKCS7_free(p7);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordflow">return</span> rc;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172
<a name="l00173"></a>00173 KSMIMECrypto::rc KSMIMECryptoPrivate::checkSignature(BIO *clearText,
<a name="l00174"></a>00174 BIO *signature, <span class="keywordtype">bool</span> detached,
<a name="l00175"></a>00175 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &recip) {
<a name="l00176"></a>00176
<a name="l00177"></a>00177 PKCS7 *p7 = kossl->d2i_PKCS7_bio(signature, NULL);
<a name="l00178"></a>00178 KSMIMECrypto::rc rc = KSMIMECrypto::KSC_R_OTHER;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keywordflow">if</span> (!p7) <span class="keywordflow">return</span> sslErrToRc();
<a name="l00181"></a>00181
<a name="l00182"></a>00182 BIO *in;
<a name="l00183"></a>00183 BIO *out;
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (detached) {
<a name="l00185"></a>00185 in = clearText;
<a name="l00186"></a>00186 out = NULL;
<a name="l00187"></a>00187 } <span class="keywordflow">else</span> {
<a name="l00188"></a>00188 in = NULL;
<a name="l00189"></a>00189 out = clearText;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 X509_STORE *dummystore = kossl->X509_STORE_new();
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (kossl->PKCS7_verify(p7, NULL, dummystore, in, out, PKCS7_NOVERIFY)) {
<a name="l00194"></a>00194 STACK_OF(X509) *signers = kossl->PKCS7_get0_signers(p7, 0, PKCS7_NOVERIFY);
<a name="l00195"></a>00195 <span class="keywordtype">int</span> num = sk_X509_num(signers);
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> n=0; n<num; n++) {
<a name="l00198"></a>00198 <a class="code" href="classKSSLCertificate.html" title="KDE X.509 Certificate.">KSSLCertificate</a> *signer = <a class="code" href="classKSSLCertificate.html#ac7e097a18c944275a204310adbe1c786" title="Create an X.509 certificate from the internal representation.">KSSLCertificate::fromX509</a>(sk_X509_value(signers, n));
<a name="l00199"></a>00199 recip.<a class="codeRef" href="qptrlist.html#append">append</a>(signer);
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 sk_X509_free(signers);
<a name="l00203"></a>00203 rc = KSMIMECrypto::KSC_R_OK;
<a name="l00204"></a>00204 } <span class="keywordflow">else</span> {
<a name="l00205"></a>00205 rc = sslErrToRc();
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207
<a name="l00208"></a>00208 kossl->X509_STORE_free(dummystore);
<a name="l00209"></a>00209 kossl->PKCS7_free(p7);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="keywordflow">return</span> rc;
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213
<a name="l00214"></a>00214
<a name="l00215"></a>00215 KSMIMECrypto::rc KSMIMECryptoPrivate::decryptMessage(BIO *cipherText,
<a name="l00216"></a>00216 BIO *clearText,
<a name="l00217"></a>00217 <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey) {
<a name="l00218"></a>00218
<a name="l00219"></a>00219 PKCS7 *p7 = kossl->d2i_PKCS7_bio(cipherText, NULL);
<a name="l00220"></a>00220 KSMIMECrypto::rc rc;
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (!p7) <span class="keywordflow">return</span> sslErrToRc();
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (kossl->PKCS7_decrypt(p7, privKey.<a class="code" href="classKSSLPKCS12.html#a2a65acfa2725f8d20c1fc518341a42d9" title="Get the private key.">getPrivateKey</a>(), privKey.<a class="code" href="classKSSLPKCS12.html#a8629012ce0527d8da360268019fa8716" title="Get the X.509 certificate.">getCertificate</a>()->getCert(),
<a name="l00225"></a>00225 clearText, 0)) {
<a name="l00226"></a>00226 rc = KSMIMECrypto::KSC_R_OK;
<a name="l00227"></a>00227 } <span class="keywordflow">else</span> {
<a name="l00228"></a>00228 rc = sslErrToRc();
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 kossl->PKCS7_free(p7);
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keywordflow">return</span> rc;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordtype">void</span> KSMIMECryptoPrivate::MemBIOToQByteArray(BIO *src, <a class="codeRef" href="qbytearray.html">QByteArray</a> &dest) {
<a name="l00238"></a>00238 <span class="keywordtype">char</span> *buf;
<a name="l00239"></a>00239 <span class="keywordtype">long</span> len = BIO_get_mem_data(src, &buf);
<a name="l00240"></a>00240 dest.assign(buf, len);
<a name="l00241"></a>00241 <span class="comment">/* Now this goes quite a bit into openssl internals.</span>
<a name="l00242"></a>00242 <span class="comment"> We assume that openssl uses malloc() (it does in</span>
<a name="l00243"></a>00243 <span class="comment"> default config) and rip out the buffer.</span>
<a name="l00244"></a>00244 <span class="comment"> */</span>
<a name="l00245"></a>00245 <span class="keyword">reinterpret_cast<</span>BUF_MEM *<span class="keyword">></span>(src->ptr)->data = NULL;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248
<a name="l00249"></a>00249 KSMIMECrypto::rc KSMIMECryptoPrivate::sslErrToRc(<span class="keywordtype">void</span>) {
<a name="l00250"></a>00250 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> cerr = kossl->ERR_get_error();
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="comment">// To be completed and possibly fixed</span>
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keywordflow">switch</span>(ERR_GET_REASON(cerr)) {
<a name="l00255"></a>00255 <span class="keywordflow">case</span> ERR_R_MALLOC_FAILURE:
<a name="l00256"></a>00256 <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_NOMEM;
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">switch</span>(ERR_GET_LIB(cerr)) {
<a name="l00260"></a>00260 <span class="keywordflow">case</span> ERR_LIB_PKCS7:
<a name="l00261"></a>00261 <span class="keywordflow">switch</span>(ERR_GET_REASON(cerr)) {
<a name="l00262"></a>00262 <span class="keywordflow">case</span> PKCS7_R_WRONG_CONTENT_TYPE:
<a name="l00263"></a>00263 <span class="keywordflow">case</span> PKCS7_R_NO_CONTENT:
<a name="l00264"></a>00264 <span class="keywordflow">case</span> PKCS7_R_NO_SIGNATURES_ON_DATA:
<a name="l00265"></a>00265 <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_FORMAT;
<a name="l00266"></a>00266 <span class="keywordflow">break</span>;
<a name="l00267"></a>00267 <span class="keywordflow">case</span> PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE:
<a name="l00268"></a>00268 <span class="keywordflow">case</span> PKCS7_R_DECRYPT_ERROR: <span class="comment">// Hmm?</span>
<a name="l00269"></a>00269 <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_WRONGKEY;
<a name="l00270"></a>00270 <span class="keywordflow">break</span>;
<a name="l00271"></a>00271 <span class="keywordflow">case</span> PKCS7_R_DIGEST_FAILURE:
<a name="l00272"></a>00272 <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_VERIFY;
<a name="l00273"></a>00273 <span class="keywordflow">default</span>:
<a name="l00274"></a>00274 <span class="keywordflow">break</span>;
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 <span class="keywordflow">break</span>;
<a name="l00277"></a>00277 <span class="keywordflow">default</span>:
<a name="l00278"></a>00278 <span class="keywordflow">break</span>;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 kdDebug(7029) <<<span class="stringliteral">"KSMIMECrypto: uncaught error "</span> <<ERR_GET_LIB(cerr)
<a name="l00282"></a>00282 <<<span class="stringliteral">" "</span> <<ERR_GET_REASON(cerr) <<endl;
<a name="l00283"></a>00283 <span class="keywordflow">return</span> KSMIMECrypto::KSC_R_OTHER;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 <span class="preprocessor">#endif</span>
<a name="l00286"></a>00286 <span class="preprocessor"></span>
<a name="l00287"></a>00287
<a name="l00288"></a>00288 KSMIMECrypto::KSMIMECrypto() {
<a name="l00289"></a>00289 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00290"></a>00290 <span class="preprocessor"></span> kossl = <a class="code" href="classKOpenSSLProxy.html#ae52c060e4d98c84316078b1e2c8a8527" title="Return an instance of class KOpenSSLProxy * You cannot delete this object.">KOpenSSLProxy::self</a>();
<a name="l00291"></a>00291 priv = <span class="keyword">new</span> KSMIMECryptoPrivate(kossl);
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (!kossl->hasLibCrypto()) kossl = 0L;
<a name="l00293"></a>00293 <span class="preprocessor">#else</span>
<a name="l00294"></a>00294 <span class="preprocessor"></span> kossl = 0L;
<a name="l00295"></a>00295 <span class="preprocessor">#endif</span>
<a name="l00296"></a>00296 <span class="preprocessor"></span>}
<a name="l00297"></a>00297
<a name="l00298"></a>00298
<a name="l00299"></a>00299 KSMIMECrypto::~KSMIMECrypto() {
<a name="l00300"></a>00300 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00301"></a>00301 <span class="preprocessor"></span> <span class="keyword">delete</span> priv;
<a name="l00302"></a>00302 <span class="preprocessor">#endif</span>
<a name="l00303"></a>00303 <span class="preprocessor"></span>}
<a name="l00304"></a>00304
<a name="l00305"></a>00305
<a name="l00306"></a>00306 KSMIMECrypto::rc KSMIMECrypto::signMessage(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &clearText,
<a name="l00307"></a>00307 <a class="codeRef" href="qbytearray.html">QByteArray</a> &cipherText,
<a name="l00308"></a>00308 <span class="keyword">const</span> <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey,
<a name="l00309"></a>00309 <span class="keyword">const</span> <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &certs,
<a name="l00310"></a>00310 <span class="keywordtype">bool</span> detached) {
<a name="l00311"></a>00311 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00312"></a>00312 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!kossl) <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00313"></a>00313 BIO *in = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)clearText.data(), clearText.size());
<a name="l00314"></a>00314 BIO *out = kossl->BIO_new(kossl->BIO_s_mem());
<a name="l00315"></a>00315
<a name="l00316"></a>00316 rc rc = priv->signMessage(in, out,
<a name="l00317"></a>00317 const_cast<KSSLPKCS12 &>(privKey),
<a name="l00318"></a>00318 <span class="keyword">const_cast<</span><a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &<span class="keyword">></span>(certs),
<a name="l00319"></a>00319 detached);
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (!rc) priv->MemBIOToQByteArray(out, cipherText);
<a name="l00322"></a>00322
<a name="l00323"></a>00323 kossl->BIO_free(out);
<a name="l00324"></a>00324 kossl->BIO_free(in);
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keywordflow">return</span> rc;
<a name="l00327"></a>00327 <span class="preprocessor">#else</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span> <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00329"></a>00329 <span class="preprocessor">#endif</span>
<a name="l00330"></a>00330 <span class="preprocessor"></span>}
<a name="l00331"></a>00331
<a name="l00332"></a>00332
<a name="l00333"></a>00333 KSMIMECrypto::rc KSMIMECrypto::checkDetachedSignature(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &clearText,
<a name="l00334"></a>00334 <span class="keyword">const</span> <a class="codeRef" href="qbytearray.html">QByteArray</a> &signature,
<a name="l00335"></a>00335 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &foundCerts) {
<a name="l00336"></a>00336 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00337"></a>00337 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!kossl) <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00338"></a>00338 BIO *txt = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)clearText.data(), clearText.<a class="codeRef" href="qcstring.html#length">length</a>());
<a name="l00339"></a>00339 BIO *sig = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)signature.data(), signature.size());
<a name="l00340"></a>00340
<a name="l00341"></a>00341 rc rc = priv->checkSignature(txt, sig, <span class="keyword">true</span>, foundCerts);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 kossl->BIO_free(sig);
<a name="l00344"></a>00344 kossl->BIO_free(txt);
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">return</span> rc;
<a name="l00347"></a>00347 <span class="preprocessor">#else</span>
<a name="l00348"></a>00348 <span class="preprocessor"></span> <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00349"></a>00349 <span class="preprocessor">#endif</span>
<a name="l00350"></a>00350 <span class="preprocessor"></span>}
<a name="l00351"></a>00351
<a name="l00352"></a>00352
<a name="l00353"></a>00353 KSMIMECrypto::rc KSMIMECrypto::checkOpaqueSignature(<span class="keyword">const</span> <a class="codeRef" href="qbytearray.html">QByteArray</a> &signedText,
<a name="l00354"></a>00354 <a class="codeRef" href="qcstring.html">QCString</a> &clearText,
<a name="l00355"></a>00355 <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &foundCerts) {
<a name="l00356"></a>00356 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00357"></a>00357 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!kossl) <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00358"></a>00358
<a name="l00359"></a>00359 BIO *in = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)signedText.data(), signedText.size());
<a name="l00360"></a>00360 BIO *out = kossl->BIO_new(kossl->BIO_s_mem());
<a name="l00361"></a>00361
<a name="l00362"></a>00362 rc rc = priv->checkSignature(out, in, <span class="keyword">false</span>, foundCerts);
<a name="l00363"></a>00363
<a name="l00364"></a>00364 kossl->BIO_write(out, &eot, 1);
<a name="l00365"></a>00365 priv->MemBIOToQByteArray(out, clearText);
<a name="l00366"></a>00366
<a name="l00367"></a>00367 kossl->BIO_free(out);
<a name="l00368"></a>00368 kossl->BIO_free(in);
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="keywordflow">return</span> rc;
<a name="l00371"></a>00371 <span class="preprocessor">#else</span>
<a name="l00372"></a>00372 <span class="preprocessor"></span> <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00373"></a>00373 <span class="preprocessor">#endif</span>
<a name="l00374"></a>00374 <span class="preprocessor"></span>}
<a name="l00375"></a>00375
<a name="l00376"></a>00376
<a name="l00377"></a>00377 KSMIMECrypto::rc KSMIMECrypto::encryptMessage(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &clearText,
<a name="l00378"></a>00378 <a class="codeRef" href="qbytearray.html">QByteArray</a> &cipherText,
<a name="l00379"></a>00379 algo algorithm,
<a name="l00380"></a>00380 <span class="keyword">const</span> <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &recip) {
<a name="l00381"></a>00381 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00382"></a>00382 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!kossl) <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00383"></a>00383
<a name="l00384"></a>00384 BIO *in = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)clearText.data(), clearText.size());
<a name="l00385"></a>00385 BIO *out = kossl->BIO_new(kossl->BIO_s_mem());
<a name="l00386"></a>00386
<a name="l00387"></a>00387 rc rc = priv->encryptMessage(in,out,algorithm,
<a name="l00388"></a>00388 <span class="keyword">const_cast<</span> <a class="codeRef" href="qptrlist.html">QPtrList<KSSLCertificate></a> &<span class="keyword">></span>(recip));
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="keywordflow">if</span> (!rc) priv->MemBIOToQByteArray(out, cipherText);
<a name="l00391"></a>00391
<a name="l00392"></a>00392 kossl->BIO_free(out);
<a name="l00393"></a>00393 kossl->BIO_free(in);
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="keywordflow">return</span> rc;
<a name="l00396"></a>00396 <span class="preprocessor">#else</span>
<a name="l00397"></a>00397 <span class="preprocessor"></span> <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00398"></a>00398 <span class="preprocessor">#endif</span>
<a name="l00399"></a>00399 <span class="preprocessor"></span>}
<a name="l00400"></a>00400
<a name="l00401"></a>00401
<a name="l00402"></a>00402 KSMIMECrypto::rc KSMIMECrypto::decryptMessage(<span class="keyword">const</span> <a class="codeRef" href="qbytearray.html">QByteArray</a> &cipherText,
<a name="l00403"></a>00403 <a class="codeRef" href="qcstring.html">QCString</a> &clearText,
<a name="l00404"></a>00404 <span class="keyword">const</span> <a class="code" href="classKSSLPKCS12.html" title="KDE PKCS#12 Certificate.">KSSLPKCS12</a> &privKey) {
<a name="l00405"></a>00405 <span class="preprocessor">#ifdef KSSL_HAVE_SSL</span>
<a name="l00406"></a>00406 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!kossl) <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00407"></a>00407
<a name="l00408"></a>00408 BIO *in = kossl->BIO_new_mem_buf((<span class="keywordtype">char</span> *)cipherText.data(), cipherText.size());
<a name="l00409"></a>00409 BIO *out = kossl->BIO_new(kossl->BIO_s_mem());
<a name="l00410"></a>00410
<a name="l00411"></a>00411 rc rc = priv->decryptMessage(in,out,
<a name="l00412"></a>00412 const_cast<KSSLPKCS12 &>(privKey));
<a name="l00413"></a>00413
<a name="l00414"></a>00414 kossl->BIO_write(out, &eot, 1);
<a name="l00415"></a>00415 priv->MemBIOToQByteArray(out, clearText);
<a name="l00416"></a>00416
<a name="l00417"></a>00417 kossl->BIO_free(out);
<a name="l00418"></a>00418 kossl->BIO_free(in);
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="keywordflow">return</span> rc;
<a name="l00421"></a>00421 <span class="preprocessor">#else</span>
<a name="l00422"></a>00422 <span class="preprocessor"></span> <span class="keywordflow">return</span> KSC_R_NO_SSL;
<a name="l00423"></a>00423 <span class="preprocessor">#endif</span>
<a name="l00424"></a>00424 <span class="preprocessor"></span>}
</pre></div></div>
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