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remove unnecessary secure array usage from cert api

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svn path=/trunk/kdesupport/qca/; revision=674313
This commit is contained in:
Justin Karneges 2007-06-12 02:30:58 +00:00
parent 19c92df402
commit ab782c5ff4
9 changed files with 47 additions and 47 deletions
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2
examples/cmssigner/main.cpp
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@ -152,7 +152,7 @@ bool CertItem::fromString(const QString &in)
chain.clear(); chain.clear();
for(int n = 0; n < chainCount; ++n) for(int n = 0; n < chainCount; ++n)
{ {
QCA::Certificate cert = QCA::Certificate::fromDER(QCA::Base64().stringToArray(parts[n + 2])); QCA::Certificate cert = QCA::Certificate::fromDER(QCA::Base64().stringToArray(parts[n + 2]).toByteArray());
if(cert.isNull()) if(cert.isNull())
return false; return false;
chain += cert; chain += cert;

12
include/QtCrypto/qca_cert.h
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@ -949,7 +949,7 @@ CertificateInfoOrdered info = cert.subjectInfoOrdered();
/** /**
Export the Certificate into a DER format Export the Certificate into a DER format
*/ */
SecureArray toDER() const; QByteArray toDER() const;
/** /**
Export the Certificate into a PEM format Export the Certificate into a PEM format
@ -975,7 +975,7 @@ CertificateInfoOrdered info = cert.subjectInfoOrdered();
\return the Certificate corresponding to the certificate in the \return the Certificate corresponding to the certificate in the
provided array provided array
*/ */
static Certificate fromDER(const SecureArray &a, ConvertResult *result = 0, const QString &provider = QString()); static Certificate fromDER(const QByteArray &a, ConvertResult *result = 0, const QString &provider = QString());
/** /**
Import the certificate from PEM format Import the certificate from PEM format
@ -1292,7 +1292,7 @@ public:
\note this only applies to PKCS#10 format certificate requests \note this only applies to PKCS#10 format certificate requests
*/ */
SecureArray toDER() const; QByteArray toDER() const;
/** /**
Export the Certificate Request into a PEM format Export the Certificate Request into a PEM format
@ -1324,7 +1324,7 @@ public:
\note this only applies to PKCS#10 format certificate requests \note this only applies to PKCS#10 format certificate requests
*/ */
static CertificateRequest fromDER(const SecureArray &a, ConvertResult *result = 0, const QString &provider = QString()); static CertificateRequest fromDER(const QByteArray &a, ConvertResult *result = 0, const QString &provider = QString());
/** /**
Import the certificate request from PEM format Import the certificate request from PEM format
@ -1629,7 +1629,7 @@ public:
\return an array containing the CRL in DER format \return an array containing the CRL in DER format
*/ */
SecureArray toDER() const; QByteArray toDER() const;
/** /**
Export the %Certificate Revocation List (CRL) in PEM format Export the %Certificate Revocation List (CRL) in PEM format
@ -1657,7 +1657,7 @@ public:
\return the CRL corresponding to the contents of the array \return the CRL corresponding to the contents of the array
*/ */
static CRL fromDER(const SecureArray &a, ConvertResult *result = 0, const QString &provider = QString()); static CRL fromDER(const QByteArray &a, ConvertResult *result = 0, const QString &provider = QString());
/** /**
Import a PEM encoded %Certificate Revocation List (CRL) Import a PEM encoded %Certificate Revocation List (CRL)

8
include/QtCrypto/qcaprovider.h
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@ -222,9 +222,9 @@ public:
CertBase(Provider *p, const QString &type) : BasicContext(p, type) {} CertBase(Provider *p, const QString &type) : BasicContext(p, type) {}
// import / export // import / export
virtual SecureArray toDER() const = 0; virtual QByteArray toDER() const = 0;
virtual QString toPEM() const = 0; virtual QString toPEM() const = 0;
virtual ConvertResult fromDER(const SecureArray &a) = 0; virtual ConvertResult fromDER(const QByteArray &a) = 0;
virtual ConvertResult fromPEM(const QString &s) = 0; virtual ConvertResult fromPEM(const QString &s) = 0;
}; };
@ -242,7 +242,7 @@ public:
bool isCA; bool isCA;
bool isSelfSigned; // cert only bool isSelfSigned; // cert only
int pathLimit; int pathLimit;
SecureArray sig; QByteArray sig;
SignatureAlgorithm sigalgo; SignatureAlgorithm sigalgo;
QByteArray subjectId, issuerId; // cert only QByteArray subjectId, issuerId; // cert only
QString challenge; // csr only QString challenge; // csr only
@ -256,7 +256,7 @@ public:
int number; int number;
QDateTime thisUpdate, nextUpdate; QDateTime thisUpdate, nextUpdate;
QList<CRLEntry> revoked; QList<CRLEntry> revoked;
SecureArray sig; QByteArray sig;
SignatureAlgorithm sigalgo; SignatureAlgorithm sigalgo;
QByteArray issuerId; QByteArray issuerId;
}; };

29
plugins/qca-openssl/qca-openssl.cpp
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@ -2880,7 +2880,7 @@ public:
return (!cert && !req && !crl); return (!cert && !req && !crl);
} }
SecureArray toDER() const QByteArray toDER() const
{ {
BIO *bo = BIO_new(BIO_s_mem()); BIO *bo = BIO_new(BIO_s_mem());
if(cert) if(cert)
@ -2889,7 +2889,7 @@ public:
i2d_X509_REQ_bio(bo, req); i2d_X509_REQ_bio(bo, req);
else if(crl) else if(crl)
i2d_X509_CRL_bio(bo, crl); i2d_X509_CRL_bio(bo, crl);
SecureArray buf = bio2buf(bo); QByteArray buf = bio2ba(bo);
return buf; return buf;
} }
@ -2902,11 +2902,11 @@ public:
PEM_write_bio_X509_REQ(bo, req); PEM_write_bio_X509_REQ(bo, req);
else if(crl) else if(crl)
PEM_write_bio_X509_CRL(bo, crl); PEM_write_bio_X509_CRL(bo, crl);
SecureArray buf = bio2buf(bo); QByteArray buf = bio2ba(bo);
return QString::fromLatin1(buf.toByteArray()); return QString::fromLatin1(buf);
} }
ConvertResult fromDER(const SecureArray &in, Type t) ConvertResult fromDER(const QByteArray &in, Type t)
{ {
reset(); reset();
@ -3023,7 +3023,7 @@ public:
return new MyCertContext(*this); return new MyCertContext(*this);
} }
virtual SecureArray toDER() const virtual QByteArray toDER() const
{ {
return item.toDER(); return item.toDER();
} }
@ -3033,7 +3033,7 @@ public:
return item.toPEM(); return item.toPEM();
} }
virtual ConvertResult fromDER(const SecureArray &a) virtual ConvertResult fromDER(const QByteArray &a)
{ {
_props = CertContextProps(); _props = CertContextProps();
ConvertResult r = item.fromDER(a, X509Item::TypeCert); ConvertResult r = item.fromDER(a, X509Item::TypeCert);
@ -3332,7 +3332,7 @@ public:
if (x->signature) if (x->signature)
{ {
p.sig = SecureArray(x->signature->length); p.sig = QByteArray(x->signature->length, 0);
for (int i=0; i< x->signature->length; i++) for (int i=0; i< x->signature->length; i++)
p.sig[i] = x->signature->data[i]; p.sig[i] = x->signature->data[i];
} }
@ -3425,7 +3425,7 @@ public:
return new MyCSRContext(*this); return new MyCSRContext(*this);
} }
virtual SecureArray toDER() const virtual QByteArray toDER() const
{ {
return item.toDER(); return item.toDER();
} }
@ -3435,7 +3435,7 @@ public:
return item.toPEM(); return item.toPEM();
} }
virtual ConvertResult fromDER(const SecureArray &a) virtual ConvertResult fromDER(const QByteArray &a)
{ {
_props = CertContextProps(); _props = CertContextProps();
ConvertResult r = item.fromDER(a, X509Item::TypeReq); ConvertResult r = item.fromDER(a, X509Item::TypeReq);
@ -3649,7 +3649,7 @@ public:
if (x->signature) if (x->signature)
{ {
p.sig = SecureArray(x->signature->length); p.sig = QByteArray(x->signature->length, 0);
for (int i=0; i< x->signature->length; i++) for (int i=0; i< x->signature->length; i++)
p.sig[i] = x->signature->data[i]; p.sig[i] = x->signature->data[i];
} }
@ -3707,7 +3707,7 @@ public:
return new MyCRLContext(*this); return new MyCRLContext(*this);
} }
virtual SecureArray toDER() const virtual QByteArray toDER() const
{ {
return item.toDER(); return item.toDER();
} }
@ -3717,8 +3717,9 @@ public:
return item.toPEM(); return item.toPEM();
} }
virtual ConvertResult fromDER(const SecureArray &a) virtual ConvertResult fromDER(const QByteArray &a)
{ {
_props = CRLContextProps();
ConvertResult r = item.fromDER(a, X509Item::TypeCRL); ConvertResult r = item.fromDER(a, X509Item::TypeCRL);
if(r == ConvertGood) if(r == ConvertGood)
make_props(); make_props();
@ -3839,7 +3840,7 @@ public:
if (x->signature) if (x->signature)
{ {
p.sig = SecureArray(x->signature->length); p.sig = QByteArray(x->signature->length, 0);
for (int i=0; i< x->signature->length; i++) for (int i=0; i< x->signature->length; i++)
p.sig[i] = x->signature->data[i]; p.sig[i] = x->signature->data[i];
} }

4
plugins/qca-pkcs11/qca-pkcs11.cpp
View File

@ -2476,7 +2476,7 @@ pkcs11KeyStoreListContext::_deserializeCertificate (
*p_has_private = list[n++].toInt () != 0; *p_has_private = list[n++].toInt () != 0;
SecureArray endCertificateBytes = Base64 ().stringToArray (_unescapeString (list[n++])); QByteArray endCertificateBytes = Base64 ().stringToArray (_unescapeString (list[n++])).toByteArray ();
Certificate endCertificate = Certificate::fromDER (endCertificateBytes); Certificate endCertificate = Certificate::fromDER (endCertificateBytes);
if (endCertificate.isNull ()) { if (endCertificate.isNull ()) {
@ -2496,7 +2496,7 @@ pkcs11KeyStoreListContext::_deserializeCertificate (
chain = endCertificate; chain = endCertificate;
while (n < list.size ()) { while (n < list.size ()) {
Certificate cert = Certificate::fromDER ( Certificate cert = Certificate::fromDER (
Base64 ().stringToArray (_unescapeString (list[n++])) Base64 ().stringToArray (_unescapeString (list[n++])).toByteArray ()
); );
if (cert.isNull ()) { if (cert.isNull ()) {
throw pkcs11Exception (rv, "Invalid certificate"); throw pkcs11Exception (rv, "Invalid certificate");

4
plugins/qca-softstore/qca-softstore.cpp
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@ -1155,7 +1155,7 @@ public:
foreach (QString s, base64certs) { foreach (QString s, base64certs) {
entry.chain += Certificate::fromDER ( entry.chain += Certificate::fromDER (
Base64 ().stringToArray (s), Base64 ().stringToArray (s).toByteArray (),
&cresult &cresult
); );
} }
@ -1270,7 +1270,7 @@ private:
while (n < list.size ()) { while (n < list.size ()) {
Certificate cert = Certificate::fromDER ( Certificate cert = Certificate::fromDER (
Base64 ().stringToArray (_unescapeString (list[n++])) Base64 ().stringToArray (_unescapeString (list[n++])).toByteArray ()
); );
if (cert.isNull ()) { if (cert.isNull ()) {
goto cleanup; goto cleanup;

12
src/qca_cert.cpp
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@ -1429,7 +1429,7 @@ Validity Certificate::validate(const CertificateCollection &trusted, const Certi
return static_cast<const CertContext *>(context())->validate(trusted_list, untrusted_list, crl_list, u);*/ return static_cast<const CertContext *>(context())->validate(trusted_list, untrusted_list, crl_list, u);*/
} }
SecureArray Certificate::toDER() const QByteArray Certificate::toDER() const
{ {
return static_cast<const CertContext *>(context())->toDER(); return static_cast<const CertContext *>(context())->toDER();
} }
@ -1444,7 +1444,7 @@ bool Certificate::toPEMFile(const QString &fileName) const
return stringToFile(fileName, toPEM()); return stringToFile(fileName, toPEM());
} }
Certificate Certificate::fromDER(const SecureArray &a, ConvertResult *result, const QString &provider) Certificate Certificate::fromDER(const QByteArray &a, ConvertResult *result, const QString &provider)
{ {
Certificate c; Certificate c;
CertContext *cc = static_cast<CertContext *>(getContext("cert", provider)); CertContext *cc = static_cast<CertContext *>(getContext("cert", provider));
@ -1733,7 +1733,7 @@ bool CertificateRequest::operator==(const CertificateRequest &otherCsr) const
return static_cast<const CSRContext *>(context())->compare(other); return static_cast<const CSRContext *>(context())->compare(other);
} }
SecureArray CertificateRequest::toDER() const QByteArray CertificateRequest::toDER() const
{ {
return static_cast<const CSRContext *>(context())->toDER(); return static_cast<const CSRContext *>(context())->toDER();
} }
@ -1748,7 +1748,7 @@ bool CertificateRequest::toPEMFile(const QString &fileName) const
return stringToFile(fileName, toPEM()); return stringToFile(fileName, toPEM());
} }
CertificateRequest CertificateRequest::fromDER(const SecureArray &a, ConvertResult *result, const QString &provider) CertificateRequest CertificateRequest::fromDER(const QByteArray &a, ConvertResult *result, const QString &provider)
{ {
CertificateRequest c; CertificateRequest c;
CSRContext *csr = static_cast<CSRContext *>(getContext("csr", provider)); CSRContext *csr = static_cast<CSRContext *>(getContext("csr", provider));
@ -1987,7 +1987,7 @@ QByteArray CRL::issuerKeyId() const
return static_cast<const CRLContext *>(context())->props()->issuerId; return static_cast<const CRLContext *>(context())->props()->issuerId;
} }
SecureArray CRL::toDER() const QByteArray CRL::toDER() const
{ {
return static_cast<const CRLContext *>(context())->toDER(); return static_cast<const CRLContext *>(context())->toDER();
} }
@ -2013,7 +2013,7 @@ bool CRL::operator==(const CRL &otherCrl) const
return static_cast<const CRLContext *>(context())->compare(other); return static_cast<const CRLContext *>(context())->compare(other);
} }
CRL CRL::fromDER(const SecureArray &a, ConvertResult *result, const QString &provider) CRL CRL::fromDER(const QByteArray &a, ConvertResult *result, const QString &provider)
{ {
CRL c; CRL c;
CRLContext *cc = static_cast<CRLContext *>(getContext("crl", provider)); CRLContext *cc = static_cast<CRLContext *>(getContext("crl", provider));

4
src/qca_default.cpp
View File

@ -1023,7 +1023,7 @@ public:
//c->item_id = QString::number(n); //c->item_id = QString::number(n);
QString ename = c->makeName(); QString ename = c->makeName();
//QString ename = names[n]; //QString ename = names[n];
QString eid = QString::number(qHash(certs[n].toDER().toByteArray())); QString eid = QString::number(qHash(certs[n].toDER()));
c->item_name = ename; c->item_name = ename;
c->item_id = eid; c->item_id = eid;
c->item_save = makeId(storeId(0), name(0), eid, ename, "cert", certs[n].toPEM()); c->item_save = makeId(storeId(0), name(0), eid, ename, "cert", certs[n].toPEM());
@ -1033,7 +1033,7 @@ public:
{ {
DefaultKeyStoreEntry *c = new DefaultKeyStoreEntry(crls[n], storeId(0), name(0), provider()); DefaultKeyStoreEntry *c = new DefaultKeyStoreEntry(crls[n], storeId(0), name(0), provider());
QString ename = c->makeName(); QString ename = c->makeName();
QString eid = QString::number(qHash(certs[n].toDER().toByteArray())); QString eid = QString::number(qHash(certs[n].toDER()));
c->item_name = ename; c->item_name = ename;
c->item_id = eid; c->item_id = eid;
c->item_save = makeId(storeId(0), name(0), eid, ename, "crl", crls[n].toPEM()); c->item_save = makeId(storeId(0), name(0), eid, ename, "crl", crls[n].toPEM());

19
unittest/certunittest/certunittest.cpp
View File

@ -115,10 +115,9 @@ void CertUnitTest::CAcertstest()
QCA::ConvertResult resultca1; QCA::ConvertResult resultca1;
QCA::Certificate ca1 = QCA::Certificate::fromPEMFile( "certs/RootCAcert.pem", &resultca1, provider); QCA::Certificate ca1 = QCA::Certificate::fromPEMFile( "certs/RootCAcert.pem", &resultca1, provider);
QCOMPARE( ca1.pathLimit(), 0 );
QCOMPARE( resultca1, QCA::ConvertGood ); QCOMPARE( resultca1, QCA::ConvertGood );
QCOMPARE( ca1.isNull(), false ); QCOMPARE( ca1.isNull(), false );
QCOMPARE( ca1.pathLimit(), 0 );
QCOMPARE( ca1.isCA(), true ); QCOMPARE( ca1.isCA(), true );
QCOMPARE( ca1.isSelfSigned(), true ); QCOMPARE( ca1.isSelfSigned(), true );
@ -298,7 +297,7 @@ void CertUnitTest::checkExpiredClientCerts()
QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageTimeStamping ), QCA::ErrorExpired ); QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageTimeStamping ), QCA::ErrorExpired );
QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorExpired ); QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorExpired );
QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorExpired ); QCOMPARE( client1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorExpired );
QCA::SecureArray derClient1 = client1.toDER(); QByteArray derClient1 = client1.toDER();
QCOMPARE( derClient1.isEmpty(), false ); QCOMPARE( derClient1.isEmpty(), false );
QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derClient1, &resultClient1, provider ); QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derClient1, &resultClient1, provider );
QCOMPARE( resultClient1, QCA::ConvertGood ); QCOMPARE( resultClient1, QCA::ConvertGood );
@ -406,7 +405,7 @@ void CertUnitTest::checkClientCerts()
QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageTimeStamping ), QCA::ErrorInvalidPurpose ); QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageTimeStamping ), QCA::ErrorInvalidPurpose );
QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ValidityGood ); QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ValidityGood );
QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorInvalidPurpose ); QCOMPARE( client2.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorInvalidPurpose );
QCA::SecureArray derClient2 = client2.toDER(); QByteArray derClient2 = client2.toDER();
QCOMPARE( derClient2.isEmpty(), false ); QCOMPARE( derClient2.isEmpty(), false );
QCA::Certificate fromDer2 = QCA::Certificate::fromDER( derClient2, &resultClient2, provider ); QCA::Certificate fromDer2 = QCA::Certificate::fromDER( derClient2, &resultClient2, provider );
QCOMPARE( resultClient2, QCA::ConvertGood ); QCOMPARE( resultClient2, QCA::ConvertGood );
@ -436,7 +435,7 @@ void CertUnitTest::derCAcertstest()
QVERIFY(f.open(QFile::ReadOnly)); QVERIFY(f.open(QFile::ReadOnly));
QByteArray der = f.readAll(); QByteArray der = f.readAll();
QCA::ConvertResult resultca1; QCA::ConvertResult resultca1;
QCA::Certificate ca1 = QCA::Certificate::fromDER( QCA::SecureArray(der), QCA::Certificate ca1 = QCA::Certificate::fromDER(der,
&resultca1, &resultca1,
provider); provider);
@ -802,7 +801,7 @@ void CertUnitTest::checkExpiredServerCerts()
QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorExpired ); QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorExpired );
QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorExpired ); QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorExpired );
QCA::SecureArray derServer1 = server1.toDER(); QByteArray derServer1 = server1.toDER();
QCOMPARE( derServer1.isEmpty(), false ); QCOMPARE( derServer1.isEmpty(), false );
QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derServer1, &resultServer1, provider ); QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derServer1, &resultServer1, provider );
QCOMPARE( resultServer1, QCA::ConvertGood ); QCOMPARE( resultServer1, QCA::ConvertGood );
@ -905,7 +904,7 @@ void CertUnitTest::checkServerCerts()
QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorInvalidPurpose ); QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageEmailProtection ), QCA::ErrorInvalidPurpose );
QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorInvalidPurpose ); QCOMPARE( server1.validate( trusted, untrusted, QCA::UsageCRLSigning ), QCA::ErrorInvalidPurpose );
QCA::SecureArray derServer1 = server1.toDER(); QByteArray derServer1 = server1.toDER();
QCOMPARE( derServer1.isEmpty(), false ); QCOMPARE( derServer1.isEmpty(), false );
QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derServer1, &resultServer1, provider ); QCA::Certificate fromDer1 = QCA::Certificate::fromDER( derServer1, &resultServer1, provider );
QCOMPARE( resultServer1, QCA::ConvertGood ); QCOMPARE( resultServer1, QCA::ConvertGood );
@ -973,7 +972,7 @@ void CertUnitTest::crl()
QCOMPARE( revokedList[1].time(), QDateTime(QDate(2001, 8, 17), QTime(11, 11, 59)) ); QCOMPARE( revokedList[1].time(), QDateTime(QDate(2001, 8, 17), QTime(11, 11, 59)) );
// convert to DER // convert to DER
QCA::SecureArray derCRL1 = crl1.toDER(); QByteArray derCRL1 = crl1.toDER();
// check we got something, at least // check we got something, at least
QCOMPARE( derCRL1.isEmpty(), false ); QCOMPARE( derCRL1.isEmpty(), false );
// convert back from DER // convert back from DER
@ -1029,7 +1028,7 @@ void CertUnitTest::crl2()
QCOMPARE( revokedList[1].time(), QDateTime(QDate(2001, 4, 19), QTime(14, 57, 20)) ); QCOMPARE( revokedList[1].time(), QDateTime(QDate(2001, 4, 19), QTime(14, 57, 20)) );
// convert to DER // convert to DER
QCA::SecureArray derCRL1 = crl1.toDER(); QByteArray derCRL1 = crl1.toDER();
// check we got something, at least // check we got something, at least
QCOMPARE( derCRL1.isEmpty(), false ); QCOMPARE( derCRL1.isEmpty(), false );
// convert back from DER // convert back from DER
@ -1133,7 +1132,7 @@ void CertUnitTest::csr2()
QCOMPARE( csr1.signatureAlgorithm(), QCA::EMSA3_MD5 ); QCOMPARE( csr1.signatureAlgorithm(), QCA::EMSA3_MD5 );
// convert to DER // convert to DER
QCA::SecureArray derCSR1 = csr1.toDER(); QByteArray derCSR1 = csr1.toDER();
// check we got something, at least // check we got something, at least
QCOMPARE( derCSR1.isEmpty(), false ); QCOMPARE( derCSR1.isEmpty(), false );
// convert back from DER // convert back from DER