public void Dispose()
{
if (RootCA != null)
{
RootCA.Dispose();
}
}
public void LoadCA(String PKCS12Filename)
{
FileInfo caPkcs12 = new FileInfo(PKCS12Filename);
if (caPkcs12.Exists)
{
try
{
Byte[] bPKCS12 = File.ReadAllBytes(caPkcs12.FullName);
// You need to write the CSR string to a BIO object as shown below.
BIO pkcs12BIO = BIO.MemoryBuffer();
pkcs12BIO.Write(bPKCS12);
X509Certificate cert = X509Certificate.FromPKCS12(pkcs12BIO, this.caPassword);
if (RootCA != null)
{
RootCA.Dispose();
}
RootCA = new X509CertificateAuthority(cert, cert.PrivateKey, new SimpleSerialNumber(1), cfg);
}
catch (Exception ex)
{
RootCA = null;
}
}
}
public FileInfo SignCertFromRequest(Byte[] requestData, Boolean ca)
{
FileInfo file = null;
using (BIO bio = new BIO(requestData))
using (X509Request request = new X509Request(bio))
{
file = new FileInfo(Path.Combine(certDir.FullName, request.Subject.Common + ".cer"));
using (X509Certificate certificate = RootCA.ProcessRequest(request, DateTime.Now.AddHours(-24), DateTime.Now + TimeSpan.FromDays(365), MessageDigest.SHA1))
{
if (ca)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "basicConstraints", true, "CA:true"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "keyUsage", true, "critical, cRLSign, keyCertSign, digitalSignature"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "certificatePolicies", true, "2.5.29.32.0"));
}
else
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "basicConstraints", true, "CA:false"));
}
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "issuerAltName", true, "issuer:copy"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "nsComment", true, "IAM Tester Generated Certificate"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectKeyIdentifier", true, "hash"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "authorityKeyIdentifier", true, "keyid,issuer:always"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "DNS:" + request.Subject.Common));
certificate.Sign(RootCA.Key, MessageDigest.SHA1);
using (FileStream fs = new FileStream(file.FullName, FileMode.Create, FileAccess.ReadWrite))
using (BinaryWriter bw = new BinaryWriter(fs))
using (BIO bio2 = BIO.MemoryBuffer())
{
certificate.Write(bio2);
Byte[] certData = bio2.ReadBytes((Int32)bio2.NumberWritten).Array;
bw.Write(certData);
bw.Close();
}
//Para atualizar com o tamanho e outros dados do arquivo
file = new FileInfo(file.FullName);
}
}
return(file);
}
public void CreateCA(X509Name Name)
{
FileInfo caPkcs12 = new FileInfo(Path.Combine(certDir.FullName, Name.Common + ".pfx"));
if (caPkcs12.Exists)
{
caPkcs12.Delete();
}
if (RootCA != null)
{
RootCA.Dispose();
}
// Create a root certificate authority which will have a self signed certificate.
RootCA = X509CertificateAuthority.SelfSigned(cfg, new SimpleSerialNumber(), CreateNewRSAKey(2048), MessageDigest.SHA256, Name, DateTime.Now, (DateTime.Now.AddYears(10) - DateTime.Now));
BuildPKCS12AndSave(caPkcs12.FullName, this.caPassword, RootCA.Key, RootCA.Certificate);
}
public String SignCert(X509Name Name, Boolean ca, subjectAltName altNames, Boolean saveFile, DateTime?expirationDate)
{
String certData = "";
FileInfo file = new FileInfo(Path.Combine(certDir.FullName, Name.Common + ".pfx"));
using (CryptoKey key = CreateNewRSAKey(4096))
{
int version = 2; // Version 2 is X.509 Version 3
using (X509Request request = new X509Request(version, Name, key))
using (X509Certificate certificate = RootCA.ProcessRequest(request, DateTime.Now.AddHours(-24), (expirationDate.HasValue ? expirationDate.Value : DateTime.Now + TimeSpan.FromDays(365)), MessageDigest.SHA1))
{
if (ca)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "basicConstraints", true, "CA:true"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "keyUsage", true, "critical, cRLSign, keyCertSign, digitalSignature"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "certificatePolicies", true, "2.5.29.32.0"));
}
else
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "basicConstraints", true, "CA:false"));
}
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "issuerAltName", true, "issuer:copy"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "nsComment", true, "SafeID - IAM Generated Certificate"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectKeyIdentifier", true, "hash"));
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "authorityKeyIdentifier", true, "keyid,issuer:always"));
//certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "DNS:" + Name.Common));
if (altNames != null)
{
foreach (Uri u in altNames.Uri)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "URI:" + u.AbsoluteUri.ToLower()));
}
foreach (String m in altNames.Mail)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "email:" + m));
}
foreach (String s in altNames.Dns)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "DNS:" + s));
}
foreach (String s in altNames.Text)
{
certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "subjectAltName", true, "otherName:1.2.3.4;UTF8:" + s));
}
}
/*
* subjectAltName=email:copy,email:[email protected],URI:http://my.url.here/
* subjectAltName=IP:192.168.7.1
* subjectAltName=IP:13::17
* subjectAltName=email:[email protected],RID:1.2.3.4
* subjectAltName=otherName:1.2.3.4;UTF8:some other identifier*/
//certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "keyUsage", true, "nonRepudiation, digitalSignature, keyEncipherment, dataEncipherment, encipherOnly, decipherOnly, keyAgreement"));
//certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "extendedKeyUsage", true, "clientAuth"));
//certificate.AddExtension(new X509Extension(RootCA.Certificate, certificate, "crlDistributionPoints", true, "URI:http://ok/certEnroll/ok-ca.crl"));
certificate.Sign(RootCA.Key, MessageDigest.SHA1);
if (saveFile)
{
certData = BuildPKCS12AndSave(file.FullName, this.signedPassword, key, certificate);
}
else
{
certData = BuildPKCS12(this.signedPassword, key, certificate);
}
}
}
return(certData);
}
public void LoadOrCreateCA(String PKCS12Filename, X509Name Name, subjectAltName altNames)
{
FileInfo caPkcs12 = new FileInfo(PKCS12Filename);
if (caPkcs12.Exists)
{
try
{
Byte[] bPKCS12 = File.ReadAllBytes(caPkcs12.FullName);
// You need to write the CSR string to a BIO object as shown below.
BIO pkcs12BIO = BIO.MemoryBuffer();
pkcs12BIO.Write(bPKCS12);
X509Certificate cert = X509Certificate.FromPKCS12(pkcs12BIO, this.caPassword);
if (RootCA != null)
{
RootCA.Dispose();
}
RootCA = new X509CertificateAuthority(cert, cert.PrivateKey, new SimpleSerialNumber(1), cfg);
}
catch
{
RootCA = null;
}
}
if (RootCA == null)
{
X509V3ExtensionList ext = new X509V3ExtensionList();
ext.Add(new X509V3ExtensionValue("nsComment", true, "SafeID - IAM Generated Certificate"));
ext.Add(new X509V3ExtensionValue("basicConstraints", true, "CA:true"));
//ext.Add(new X509V3ExtensionValue("keyUsage", true, "critical, cRLSign, keyCertSign, digitalSignature"));
ext.Add(new X509V3ExtensionValue("subjectKeyIdentifier", true, "hash"));
ext.Add(new X509V3ExtensionValue("authorityKeyIdentifier", true, "keyid,issuer:always"));
if (altNames != null)
{
foreach (Uri u in altNames.Uri)
{
ext.Add(new X509V3ExtensionValue("subjectAltName", true, "URI:" + u.AbsoluteUri.ToLower()));
}
foreach (String m in altNames.Mail)
{
ext.Add(new X509V3ExtensionValue("subjectAltName", true, "email:" + m));
}
foreach (String s in altNames.Dns)
{
ext.Add(new X509V3ExtensionValue("subjectAltName", true, "DNS:" + s));
}
foreach (String s in altNames.Text)
{
ext.Add(new X509V3ExtensionValue("subjectAltName", true, "otherName:1.2.3.4;UTF8:" + s));
}
}
RootCA = X509CertificateAuthority.SelfSigned(new SimpleSerialNumber(), CreateNewRSAKey(2048), MessageDigest.SHA1, Name, DateTime.Now.AddHours(-24), (DateTime.Now.AddYears(10) - DateTime.Now), ext);
BuildPKCS12AndSave(caPkcs12.FullName, this.caPassword, RootCA.Key, RootCA.Certificate);
}
}
