void SshKeyGenerator::generateOpenSslPrivateKeyString(const KeyPtr &key)
{
QList<BigInt> params;
QByteArray keyId;
const char *label;
if (m_type == Rsa) {
const QSharedPointer<RSA_PrivateKey> rsaKey
= key.dynamicCast<RSA_PrivateKey>();
params << rsaKey->get_n() << rsaKey->get_e() << rsaKey->get_d() << rsaKey->get_p()
<< rsaKey->get_q();
keyId = SshCapabilities::PubKeyRsa;
label = "RSA PRIVATE KEY";
} else {
const QSharedPointer<DSA_PrivateKey> dsaKey = key.dynamicCast<DSA_PrivateKey>();
params << dsaKey->group_p() << dsaKey->group_q() << dsaKey->group_g() << dsaKey->get_y()
<< dsaKey->get_x();
keyId = SshCapabilities::PubKeyDss;
label = "DSA PRIVATE KEY";
}
DER_Encoder encoder;
encoder.start_cons(SEQUENCE).encode(0U);
foreach (const BigInt &b, params)
encoder.encode(b);
encoder.end_cons();
m_privateKey = QByteArray(PEM_Code::encode (encoder.get_contents(), label).c_str());
}
/**
* Serialize a Certificate Request message
*/
std::vector<byte> Certificate_Req::serialize() const
{
std::vector<byte> buf;
std::vector<byte> cert_types;
for(size_t i = 0; i != m_cert_key_types.size(); ++i)
cert_types.push_back(cert_type_name_to_code(m_cert_key_types[i]));
append_tls_length_value(buf, cert_types, 1);
if(!m_supported_algos.empty())
buf += Signature_Algorithms(m_supported_algos).serialize();
std::vector<byte> encoded_names;
for(size_t i = 0; i != m_names.size(); ++i)
{
DER_Encoder encoder;
encoder.encode(m_names[i]);
append_tls_length_value(encoded_names, encoder.get_contents(), 2);
}
append_tls_length_value(buf, encoded_names, 2);
return buf;
}
bool SshKeyGenerator::generateOpenSslKeys(const KeyPtr &key)
{
QList<BigInt> publicParams;
QList<BigInt> allParams;
QByteArray keyId;
if (m_type == Rsa) {
const QSharedPointer<RSA_PrivateKey> rsaKey
= key.dynamicCast<RSA_PrivateKey>();
publicParams << rsaKey->get_e() << rsaKey->get_n();
allParams << rsaKey->get_n() << rsaKey->get_e() << rsaKey->get_d()
<< rsaKey->get_p() << rsaKey->get_q();
keyId = SshCapabilities::PubKeyRsa;
} else {
const QSharedPointer<DSA_PrivateKey> dsaKey
= key.dynamicCast<DSA_PrivateKey>();
publicParams << dsaKey->group_p() << dsaKey->group_q()
<< dsaKey->group_g() << dsaKey->get_y();
allParams << publicParams << dsaKey->get_x();
keyId = SshCapabilities::PubKeyDss;
}
QByteArray publicKeyBlob = AbstractSshPacket::encodeString(keyId);
foreach (const BigInt &b, publicParams)
publicKeyBlob += AbstractSshPacket::encodeMpInt(b);
publicKeyBlob = publicKeyBlob.toBase64();
const QByteArray id = "QtCreator/"
+ QDateTime::currentDateTime().toString(Qt::ISODate).toUtf8();
m_publicKey = keyId + ' ' + publicKeyBlob + ' ' + id;
DER_Encoder encoder;
encoder.start_cons(SEQUENCE).encode (0U);
foreach (const BigInt &b, allParams)
encoder.encode(b);
encoder.end_cons();
const char * const label
= m_type == Rsa ? "RSA PRIVATE KEY" : "DSA PRIVATE KEY";
m_privateKey
= QByteArray(PEM_Code::encode (encoder.get_contents(), label).c_str());
return true;
}
void SshKeyGenerator::generateOpenSslPrivateKeyString(const KeyPtr &key)
{
QList<BigInt> params;
const char *label = "";
switch (m_type) {
case Rsa: {
const QSharedPointer<RSA_PrivateKey> rsaKey
= key.dynamicCast<RSA_PrivateKey>();
params << rsaKey->get_n() << rsaKey->get_e() << rsaKey->get_d() << rsaKey->get_p()
<< rsaKey->get_q();
const BigInt dmp1 = rsaKey->get_d() % (rsaKey->get_p() - 1);
const BigInt dmq1 = rsaKey->get_d() % (rsaKey->get_q() - 1);
const BigInt iqmp = inverse_mod(rsaKey->get_q(), rsaKey->get_p());
params << dmp1 << dmq1 << iqmp;
label = "RSA PRIVATE KEY";
break;
}
case Dsa: {
const QSharedPointer<DSA_PrivateKey> dsaKey = key.dynamicCast<DSA_PrivateKey>();
params << dsaKey->group_p() << dsaKey->group_q() << dsaKey->group_g() << dsaKey->get_y()
<< dsaKey->get_x();
label = "DSA PRIVATE KEY";
break;
}
case Ecdsa:
params << key.dynamicCast<ECDSA_PrivateKey>()->private_value();
label = "EC PRIVATE KEY";
break;
}
DER_Encoder encoder;
encoder.start_cons(SEQUENCE).encode(size_t(0));
foreach (const BigInt &b, params)
encoder.encode(b);
encoder.end_cons();
m_privateKey = QByteArray(PEM_Code::encode (encoder.get_contents(), label).c_str());
}
bool ne7ssh_keys::generateRSAKeys (const char* fqdn, const char* privKeyFileName, const char* pubKeyFileName, uint16 keySize)
{
RSA_PrivateKey *rsaPrivKey;
BigInt e, n, d, p, q;
BigInt dmp1, dmq1, iqmp;
ne7ssh_string pubKeyBlob;
FILE *privKeyFile, *pubKeyFile;
std::string privKeyEncoded;
DER_Encoder encoder;
if (keySize > MAX_KEYSIZE)
{
ne7ssh::errors()->push (-1, "Specified key size: '%i' is larger than allowed maximum.", keySize);
return false;
}
if (keySize < 1024)
{
ne7ssh::errors()->push (-1, "Key Size: '%i' is too small. Use at least 1024 key size for RSA keys.", keySize);
return false;
}
#if BOTAN_PRE_18 || BOTAN_PRE_15
rsaPrivKey = new RSA_PrivateKey (keySize);
#else
rsaPrivKey = new RSA_PrivateKey (*ne7ssh::rng, keySize);
#endif
privKeyFile = fopen (privKeyFileName, "w");
e = rsaPrivKey->get_e();
n = rsaPrivKey->get_n();
d = rsaPrivKey->get_d();
p = rsaPrivKey->get_p();
q = rsaPrivKey->get_q();
dmp1 = d % (p - 1);
dmq1 = d % (q - 1);
iqmp = inverse_mod (q, p);
pubKeyBlob.addString ("ssh-rsa");
pubKeyBlob.addBigInt (e);
pubKeyBlob.addBigInt (n);
Pipe base64it (new Base64_Encoder);
base64it.process_msg(pubKeyBlob.value());
SecureVector<Botan::byte> pubKeyBase64 = base64it.read_all (PIPE_DEFAULT_MESSAGE);
pubKeyFile = fopen (pubKeyFileName, "w");
if (!pubKeyFile)
{
ne7ssh::errors()->push (-1, "Cannot open file where public key is stored. Filename: %s", pubKeyFileName);
delete rsaPrivKey;
return false;
}
if ((!fwrite ("ssh-rsa ", 8, 1, pubKeyFile)) ||
(!fwrite (pubKeyBase64.begin(), (size_t) pubKeyBase64.size(), 1, pubKeyFile)) ||
(!fwrite (" ", 1, 1, pubKeyFile)) ||
(!fwrite (fqdn, strlen(fqdn), 1, pubKeyFile)) ||
(!fwrite ("\n", 1, 1, pubKeyFile)))
{
ne7ssh::errors()->push (-1, "I/O error while writting to file: %s.", pubKeyFileName);
delete rsaPrivKey;
return false;
}
fclose (pubKeyFile);
#if (BOTAN_PRE_15)
encoder.start_sequence();
DER::encode (encoder, 0U);
DER::encode (encoder, n);
DER::encode (encoder, e);
DER::encode (encoder, d);
DER::encode (encoder, p);
DER::encode (encoder, q);
DER::encode (encoder, dmp1);
DER::encode (encoder, dmq1);
DER::encode (encoder, iqmp);
encoder.end_sequence();
privKeyEncoded = PEM_Code::encode (encoder.get_contents(), "RSA PRIVATE KEY");
#else
privKeyEncoded = PEM_Code::encode (
DER_Encoder().start_cons (SEQUENCE)
.encode(0U)
.encode(n)
.encode(e)
.encode(d)
.encode(p)
.encode(q)
.encode(dmp1)
.encode(dmq1)
.encode(iqmp)
.end_cons()
.get_contents(), "RSA PRIVATE KEY");
#endif
if (!privKeyFile)
{
ne7ssh::errors()->push (-1, "Cannot open file where the private key is stored. Filename: %s.", privKeyFileName);
delete rsaPrivKey;
return false;
}
if (!fwrite (privKeyEncoded.c_str(), privKeyEncoded.length(), 1, privKeyFile))
{
ne7ssh::errors()->push (-1, "IO error while writting to file: %s.", privKeyFileName);
delete rsaPrivKey;
return false;
}
fclose (privKeyFile);
delete rsaPrivKey;
return true;
}
bool ne7ssh_keys::generateDSAKeys (const char* fqdn, const char* privKeyFileName, const char* pubKeyFileName, uint16 keySize)
{
DER_Encoder encoder;
BigInt p, q, g, y, x;
ne7ssh_string pubKeyBlob;
FILE *privKeyFile, *pubKeyFile;
std::string privKeyEncoded;
if (keySize != 1024)
{
ne7ssh::errors()->push (-1, "DSA keys must be 1024 bits.");
return false;
}
#if BOTAN_PRE_18 || BOTAN_PRE_15
DL_Group dsaGroup (keySize, DL_Group::DSA_Kosherizer);
DSA_PrivateKey privDsaKey (dsaGroup);
#else
DL_Group dsaGroup (*ne7ssh::rng, Botan::DL_Group::DSA_Kosherizer, keySize);
DSA_PrivateKey privDsaKey (*ne7ssh::rng, dsaGroup);
#endif
DSA_PublicKey pubDsaKey = privDsaKey;
p = dsaGroup.get_p();
q = dsaGroup.get_q();
g = dsaGroup.get_g();
y = pubDsaKey.get_y();
x = privDsaKey.get_x();
pubKeyBlob.addString ("ssh-dss");
pubKeyBlob.addBigInt (p);
pubKeyBlob.addBigInt (q);
pubKeyBlob.addBigInt (g);
pubKeyBlob.addBigInt (y);
Pipe base64it (new Base64_Encoder);
base64it.process_msg(pubKeyBlob.value());
SecureVector<Botan::byte> pubKeyBase64 = base64it.read_all (PIPE_DEFAULT_MESSAGE);
pubKeyFile = fopen (pubKeyFileName, "w");
if (!pubKeyFile)
{
ne7ssh::errors()->push (-1, "Cannot open file where public key is stored. Filename: %s", pubKeyFileName);
return false;
}
if ((!fwrite ("ssh-dss ", 8, 1, pubKeyFile)) ||
(!fwrite (pubKeyBase64.begin(), (size_t) pubKeyBase64.size(), 1, pubKeyFile)) ||
(!fwrite (" ", 1, 1, pubKeyFile)) ||
(!fwrite (fqdn, strlen(fqdn), 1, pubKeyFile)) ||
(!fwrite ("\n", 1, 1, pubKeyFile)))
{
ne7ssh::errors()->push (-1, "I/O error while writting to file: %s.", pubKeyFileName);
return false;
}
fclose (pubKeyFile);
#if BOTAN_PRE_15
encoder.start_sequence();
DER::encode (encoder, 0U);
DER::encode (encoder, p);
DER::encode (encoder, q);
DER::encode (encoder, g);
DER::encode (encoder, y);
DER::encode (encoder, x);
encoder.end_sequence();
#else
encoder.start_cons(SEQUENCE)
.encode (0U)
.encode (p)
.encode (q)
.encode (g)
.encode (y)
.encode (x)
.end_cons();
#endif
privKeyEncoded = PEM_Code::encode (encoder.get_contents(), "DSA PRIVATE KEY");
privKeyFile = fopen (privKeyFileName, "w");
if (!privKeyFile)
{
ne7ssh::errors()->push (-1, "Cannot open file where private key is stored. Filename: %s", privKeyFileName);
return false;
}
if (!fwrite (privKeyEncoded.c_str(), (size_t) privKeyEncoded.length(), 1, privKeyFile))
{
ne7ssh::errors()->push (-1, "I/O error while writting to file: %s.", privKeyFileName);
return false;
}
fclose (privKeyFile);
// delete dsaGroup;
return true;
}
