NEW Axway Developer YouTube Channel. Appcelerator on StackOverflow. The largest, most trusted online community for developers to learn and share knowledge. I need to create a public/private key pair for a certificate request. I would like to use IIS. Once the certificate is signed I will be distributing it to multiple servers and therefor will need the private key.
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When developing a secure service or client using Windows Communication Foundation (WCF), it is often necessary to supply an X.509 certificate to be used as a credential. The certificate typically is part of a chain of certificates with a root authority found in the Trusted Root Certification Authorities store of the computer. Having a certificate chain enables you to scope a set of certificates where typically the root authority is from your organization or business unit. To emulate this at development time, you can create two certificates to satisfy the security requirements. The first is a self-signed certificate that is placed in the Trusted Root Certification Authorities store, and the second certificate is created from the first and is placed in either the Personal store of the Local Machine location, or the Personal store of the Current User location. This topic walks through the steps to create these two certificates using the Powershell New-SelfSignedCertificate) cmdlet.
Important
Creating Public and Private Certificates/Keys Have you ever tried to communicate with somebody/something through any kind of technology? Most of the time “those” people/systems like privacy, in a way that they like their communication with everybody including you to be private. Jul 25, 2017 Adding the Root Certificate to macOS Keychain. Open the macOS Keychain app. Go to File Import Items. Openssl generate aes key from passphrase. Select your root certificate file (i.e. MyCA.pem) Search for whatever you answered as the Common Name name above. Double click on your root certificate in.
The certificates that the New-SelfSignedCertificate cmdlet generates are provided for testing purposes only. When deploying a service or client, be sure to use an appropriate certificate provided by a certification authority. This could either be from a Windows Server certificate server in your organization or a third party.
By default, the New-SelfSignedCertificate cmdlet creates certificates that are self-signed and these certificates are insecure. Placing the self-signed certificates in the Trusted Root Certification Authorities store enables you to create a development environment that more closely simulates your deployment environment.
For more information about creating and using certificates, see Working with Certificates. For more information about using a certificate as a credential, see Securing Services and Clients. For a tutorial about using Microsoft Authenticode technology, see Authenticode Overviews and Tutorials.
To create a self-signed root authority certificate and export the private key
The following command creates a self-signed certificate with a subject name of 'RootCA' in the Current User Personal store.
We need to export the certificate to a PFX file so that it can be imported to where it's needed in a later step. When exporting a certificate with the private key, a password is needed to protect it. We save the password in a
SecureString
and use the Export-PfxCertificate cmdlet to export the certificate with the associated private key to a PFX file. We also save just the public certificate into a CRT file using the Export-Certificate cmdlet.To create a new certificate signed by a root authority certificate
The following command creates a certificate signed by the
RootCA
with a subject name of 'SignedByRootCA' using the private key of the issuer.Similarly, we save the signed certificate with private key into a PFX file and just the public key into a CRT file.
Installing a Certificate in the Trusted Root Certification Authorities Store
Once a self-signed certificate is created, you can install it in the Trusted Root Certification Authorities store. Any certificates that are signed with the certificate at this point are trusted by the computer. For this reason, delete the certificate from the store as soon as you no longer need it. When you delete this root authority certificate, all other certificates that signed with it become unauthorized. Root authority certificates are simply a mechanism whereby a group of certificates can be scoped as necessary. For example, in peer-to-peer applications, there is typically no need for a root authority because you simply trust the identity of an individual by its supplied certificate.
To install a self-signed certificate in the Trusted Root Certification Authorities
- Open the certificate snap-in. For more information, see How to: View Certificates with the MMC Snap-in.
- Open the folder to store the certificate, either the Local Computer or the Current User.
- Open the Trusted Root Certification Authorities folder.
- Right-click the Certificates folder and click All Tasks, then click Import.
- Follow the on-screen wizard instructions to import the RootCA.pfx into the store.
Using certificates With WCF
Once you have set up the temporary certificates, you can use them to develop WCF solutions that specify certificates as a client credential type. For example, the following XML configuration specifies message security and a certificate as the client credential type.
To specify a certificate as the client credential type
- In the configuration file for a service, use the following XML to set the security mode to message, and the client credential type to certificate.
- In the configuration file for a client, use the following XML to specify that the certificate is found in the user’s store, and can be found by searching the SubjectName field for the value 'CohoWinery.'
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For more information about using certificates in WCF, see Working with Certificates.
.NET Framework security
Be sure to delete any temporary root authority certificates from the Trusted Root Certification Authorities and Personal folders by right-clicking the certificate, then clicking Delete.
See also
Recognize the dictionary keys that taken together define a certificate property.
![Private Private](/uploads/1/2/5/8/125869745/282325537.png)
Overview
These are the keys that appear in the property dictionaries that describe a certificate. Each property dictionary includes a key for the property type, a label for the property, a localized label, and the property value itself. Many property dictionaries are in turn collected into a larger dictionary that is returned by a call to the
SecCertificateCopyValues(_:_:_:)
function. Topics
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let kSecPropertyKeyType: CFString
A key whose value indicates the type of certificate property.
let kSecPropertyKeyLabel: CFString
A key whose value is the label for a certificate property.
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let kSecPropertyKeyLocalizedLabel: CFString
A key whose value is the localized label for a certificate property.
let kSecPropertyKeyValue: CFString
A key whose value is the value for a certificate property.
See Also
Getting Certificate ValuesAppcelerator Generating Developer Certificate And Private Public Keys Download
Obtain all the values associated with a certificate.
func SecCertificateCopyValues(SecCertificate, CFArray?, UnsafeMutablePointer<Unmanaged<CFError>?>?) -> CFDictionary?
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Creates a dictionary that represents a certificate's contents.
Certificate OIDsUse OIDs as keys in the dictionary representing certificate values.
Certificate Property Type ValuesRecognize the possible certificate property types.
Certificate Item Attribute ConstantsUse these four character values to indicate certificate item attributes.