diff --git a/CHANGELOG.md b/CHANGELOG.md
index 388784b..1ae8bb4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Certificate Manager change log
 
+<a name="2020-01-29"></a>
+## 2020-01-29 version 1.0.3
+* private key pem exports
+* private key import with certificate
+
 <a name="2020-01-27"></a>
 ## 2020-01-27 version 1.0.2
 * Small fixes for RSA certificates KeySize
diff --git a/Documentation.md b/Documentation.md
index 43944bc..711ee7d 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -19,7 +19,7 @@ Certificate Manager is a package which makes it easy to create certificates (cha
 Add the NuGet package to the your project file
 
 ```
-<PackageReference Include="CertificateManager" Version="1.0.1" />
+<PackageReference Include="CertificateManager" Version="1.0.3" />
 ```
 
 The NuGet packages uses dependency injection to setup. In a console application initialize the package as follows:
@@ -382,6 +382,69 @@ var deviceVerifyPublicKey = importExportCertificate.ExportCertificatePublicKey(d
 var deviceVerifyPublicKeyBytes = deviceVerifyPublicKey.Export(X509ContentType.Cert);
 File.WriteAllBytes($"deviceVerify.cer", deviceVerifyPublicKeyBytes);
 ```
+
+## Exporting Importing PEM
+
+RSA
+
+```csharp
+var sp = new ServiceCollection()
+    .AddCertificateManager()
+    .BuildServiceProvider();
+
+var ccRsa = sp.GetService<CreateCertificatesRsa>();
+var iec = sp.GetService<ImportExportCertificate>();
+
+var rsaCert = ccRsa.CreateDevelopmentCertificate("localhost", 2, 2048);
+
+// export
+var publicKeyPem = iec.PemExportPublicKeyCertificate(rsaCert);
+var rsaPrivateKeyPem = iec.PemExportRsaPrivateKey(rsaCert);
+
+// import
+var roundTripPublicKeyPem = iec.PemImportCertificate(publicKeyPem);
+var roundTripRsaPrivateKeyPem = iec.PemImportPrivateKey(rsaPrivateKeyPem);
+
+var roundTripFullCert = 
+    iec.CreateCertificateWithPrivateKey(
+        roundTripPublicKeyPem, 
+        roundTripRsaPrivateKeyPem, 
+        "1234");
+
+```
+
+ECDsa
+
+```csharp
+var sp = new ServiceCollection()
+    .AddCertificateManager()
+    .BuildServiceProvider();
+
+var cc = serviceProvider.GetService<CreateCertificatesClientServerAuth>();
+
+var root = cc.NewRootCertificate(
+    new DistinguishedName { CommonName = "root dev", Country = "IT" },
+    new ValidityPeriod { ValidFrom = DateTime.UtcNow, ValidTo = DateTime.UtcNow.AddYears(10) },
+    3, "localhost");
+root.FriendlyName = "developement root L1 certificate";
+
+var iec = sp.GetService<ImportExportCertificate>();
+
+// export
+var publicKeyPem = iec.PemExportPublicKeyCertificate(root);
+var eCDsaPrivateKeyPem = iec.PemExportECPrivateKey(root);
+
+// import
+var roundTripPublicKeyPem = iec.PemImportCertificate(publicKeyPem);
+var roundTripECPrivateKeyPem = iec.PemImportPrivateKey(eCDsaPrivateKeyPem);
+
+var roundTripFullCert = 
+    iec.CreateCertificateWithPrivateKey(
+        roundTripPublicKeyPem, 
+        roundTripECPrivateKeyPem, 
+        "1234");
+
+```
 ## General Certificates, full APIs
 
 ### Self signed certificate
diff --git a/README.md b/README.md
index 311e16e..d5efe80 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 Add the NuGet package to the your project file
 
 ```
-<PackageReference Include="CertificateManager" Version="1.0.2" />
+<PackageReference Include="CertificateManager" Version="1.0.3" />
 ```
 
 The NuGet packages uses dependency injection to setup. In a console application initialize the package as follows:
diff --git a/src/CertificateManager/CertificateManager.csproj b/src/CertificateManager/CertificateManager.csproj
index 47c782f..df7d0b3 100644
--- a/src/CertificateManager/CertificateManager.csproj
+++ b/src/CertificateManager/CertificateManager.csproj
@@ -11,11 +11,11 @@
     <Description>Certificate Manager is a package which makes it easy to create certificates (chained and self signed) which can be used to in client server authentication and IoT Devices like Azure IoT Hub
 </Description>
     <PackageTags>certificate authentication mtls pfx cer pem cert crt</PackageTags>
-    <PackageReleaseNotes>small fixes for RSA certificates</PackageReleaseNotes>
+    <PackageReleaseNotes>private key, public certificate pem exports</PackageReleaseNotes>
     <Copyright>2020 damienbod</Copyright>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>damienbod</Authors>
-    <Version>1.0.2</Version>
+    <Version>1.0.3</Version>
   </PropertyGroup>
 
   <ItemGroup>