Generate Private Key Wildcard Certificate
Purpose: Recovering a missing private key in IIS environment.
For Microsoft II8
(Jump to the solution)
Cause:
Entrust SSL certificates do not include a private key. The private key resides on the server that generated the Certificate Signing Request (CSR). When installed correctly, the Server Certificate will match up with the private key as displayed below:
If the private key is missing, the circled message indicating a good correspondence with private key will be missing as shown here:
You want to be able to export that cert and import that into ISE, like you would do for a Wildcard cert. If so, what you would need to do is export the certificate and key from that server as a pkcs12 file (or pfx for windows). This file has to be then split into private and public key. Jul 09, 2019 If the Private Key key file is lost, you’ll need to reissue your Certificate. Can I generate a new Private Key for my Certificate if I lose the old one? You can generate a new private key and CSR, or use the automatic CSR and key generation during Certificate reissue (this option is available for all Certificates except for the Multi. In case we generate the private key as well by rekey method of godaddy,then what is the procedure to install wildcard certificate on third party servers where we cant share the private key. Also in case it need to be shared what is the location where this private key need to be placed so that SSL cert. The private key is a separate file that’s used in the encryption/decryption of data sent between your server and the connecting clients. A private key is created by you—the certificate owner—when you request your certificate with a Certificate Signing Request (CSR).
A missing private key could mean:
- The certificate is not being installed on the same server that generated the CSR.
- The pending request was deleted from IIS.
- The certificate was installed through the Certificate Import Wizard rather than through IIS.
In this technote we do not discuss how to determine the reason the private key is missing. Select the link corresponding to each reason listed above for more information.
There's a video for this guide. Watch the video here.
1) Snap-In Configuration
2) Import the Server Certificate
3) Recover the private key
Use the following steps to add the Certificates snap-in:
1. Click Start, and then search for Run.2. Type in mmc and click OK.
3. From the File menu, choose Add/Remove Snap-in.
4. Select Certificates and then Add.
5. Choose the Computer account option and click Next.
6. Select Local Computer and then click Finish.
7. Click Close, and then click OK. The snap-in for Certificates (Local Computer) appears in the console.
Use the following steps to import your Server Certificate into the Personal certificate store. If the Server Certificate has already been imported into the Personal store, you may skip this step.
From the MMC console opened in the above steps:
1. Expand the Certificates (Local Computer) tree in the left preview panel.
2. Right-click Personal and select All Tasks > Import.
3. The Certificate Import Wizard appears. Click Next.
4. Browse to the location of your Server Certificate file and click Next.
5. Select Place all certificates in the following store and click Next.
6. Click Finish to complete the Certificate Import Wizard.
7. A dialog box appears indicating the import was successful. Click OK.Use the following steps to recover your private key using the certutil command.
1. Locate your Server Certificate file by opening Microsoft Internet Information Services Manager, then on the right side select Tools > Internet Information Services (IIS) Manager.
2. Once in IIS Manager, select your server, then on the right side, Server Certificates. You will see all certificates currently on that server. Scroll over the certificate you are trying to install, right click, then select View.
3. There, you can view the certificate information. As you can see, there is no indication of a good correspondence with the private key.
4. Click the Details tab. Write down the serial number of the certificate.
5. We will need to recover the private key using a command prompt. In order to recover the key, we must do so using command prompt as an administrator. To do so, slick Start, then on then open all App. Under Windows System, find Command Prompt. Right click Command prompt and then Run as administrator. Confirm the action and continue.
6. Make sure you are on the right directory in command prompt.
e.g., if your server directory is “c:/users/srv2012_r2_std_x64”, on the command line type “cd c:/users/srv2012_r2_std_x64”. Note that “cd” is the command used to change directories in command prompt.
7. Now that we are in the right place, enter the following command at the prompt: certutil –repairstore my <serial number> where <serial number> is the serial number obtained in Step 2 with spaces removed.
8. If Windows is able to recover the private key, you see the message:
CertUtil: -repairstore command completed successfully.
If your private key was recovered successfully, your Server Certificate installation is complete.
If the private key was not recovered successfully, you will need to generate a new Certificate Signing Request and submit it to Entrust Datacard to have your certificate re-issued, or re-issue the certificate using your ECS Enterprise account.
Check that your Certificate has been successfully installed by testing it on the Entrust SSL Install Checker.
If you have any questions or concerns please contact the Entrust Certificate Services Supportdepartment for further assistance:
Hours of Operation:
Sunday 8:00 PM ET to Friday 8:00 PM ET
North America (toll free): 1-866-267-9297
Outside North America: 1-613-270-2680 (or see the list below)
NOTE: It is very important that international callers dial the UITF format exactly as indicated. Do not dial an extra '1' before the '800' or your call will not be accepted as an UITF toll free call.
Country | Number |
Australia | 0011 - 800-3687-7863 1-800-767-513 |
Austria | 00 - 800-3687-7863 |
Belgium | 00 - 800-3687-7863 |
Denmark | 00 - 800-3687-7863 |
Finland | 990 - 800-3687-7863 (Telecom Finland) |
France | 00 - 800-3687-7863 |
Germany | 00 - 800-3687-7863 |
Hong Kong | 001 - 800-3687-7863 (Voice) |
Ireland | 00 - 800-3687-7863 |
Israel | 014 - 800-3687-7863 |
Italy | 00 - 800-3687-7863 |
Japan | 001 - 800-3687-7863 (KDD) |
Korea | 001 - 800-3687-7863 (Korea Telecom) |
Malaysia | 00 - 800-3687-7863 |
Netherlands | 00 - 800-3687-7863 |
New Zealand | 00 - 800-3687-7863 0800-4413101 |
Norway | 00 - 800-3687-7863 |
Singapore | 001 - 800-3687-7863 |
Spain | 00 - 800-3687-7863 |
Sweden | 00 - 800-3687-7863 (Telia) |
Switzerland | 00 - 800-3687-7863 |
Taiwan | 00 - 800-3687-7863 |
United Kingdom | 00 - 800-3687-7863 |
-->The following scenarios outline several of the primary usages of Key Vault’s certificate management service including the additional steps required for creating your first certificate in your key vault.
The following are outlined:
- Creating your first Key Vault certificate
- Creating a certificate with a Certificate Authority that is partnered with Key Vault
- Creating a certificate with a Certificate Authority that is not partnered with Key Vault
- Import a certificate
Certificates are complex objects
Certificates are composed of three interrelated resources linked together as a Key Vault certificate; certificate metadata, a key, and a secret.
Creating your first Key Vault certificate
Before a certificate can be created in a Key Vault (KV), prerequisite steps 1 and 2 must be successfully accomplished and a key vault must exist for this user / organization.
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Step 1 - Certificate Authority (CA) Providers
- On-boarding as the IT Admin, PKI Admin or anyone managing accounts with CAs, for a given company (ex. Contoso) is a prerequisite to using Key Vault certificates.
The following CAs are the current partnered providers with Key Vault:- DigiCert - Key Vault offers OV TLS/SSL certificates with DigiCert.
- GlobalSign - Key Vault offers OV TLS/SSL certificates with GlobalSign.
Step 2 - An account admin for a CA provider creates credentials to be used by Key Vault to enroll, renew, and use TLS/SSL certificates via Key Vault.
Step 3 - A Contoso admin, along with a Contoso employee (Key Vault user) who owns certificates, depending on the CA, can get a certificate from the admin or directly from the account with the CA.
- Begin an add credential operation to a key vault by setting a certificate issuer resource. A certificate issuer is an entity represented in Azure Key Vault (KV) as a CertificateIssuer resource. It is used to provide information about the source of a KV certificate; issuer name, provider, credentials, and other administrative details.
Ex. MyDigiCertIssuer
- Provider
- Credentials – CA account credentials. Each CA has its own specific data.
For more information on creating accounts with CA Providers, see the related post on the Key Vault blog.
Step 3.1 - Set up certificate contacts for notifications. This is the contact for the Key Vault user. Key Vault does not enforce this step.
Note - This process, through step 3.1, is a onetime operation.
Creating a certificate with a CA partnered with Key Vault
Step 4 - The following descriptions correspond to the green numbered steps in the preceding diagram.
(1) - In the diagram above, your application is creating a certificate which internally begins by creating a key in your key vault.
(2) - Key Vault sends an TLS/SSL Certificate Request to the CA.
(3) - Your application polls, in a loop and wait process, for your Key Vault for certificate completion. The certificate creation is complete when Key Vault receives the CA’s response with x509 certificate.
(4) - The CA responds to Key Vault's TLS/SSL Certificate Request with an X509 TLS/SSL Certificate.
(5) - Your new certificate creation completes with the merger of the X509 Certificate for the CA.
Key Vault user – creates a certificate by specifying a policy
Repeat as needed
Policy constraints
- X509 properties
- Key properties
- Provider reference - > ex. MyDigiCertIssure
- Renewal information - > ex. 90 days before expiry
A certificate creation process is usually an asynchronous process and involves polling your key vault for the state of the create certificate operation.
Get certificate operation- Status: completed, failed with error information or, canceled
- Because of the delay to create, a cancel operation can be initiated. The cancel may or may not be effective.
Import a certificate
Alternatively – a cert can be imported into Key Vault – PFX or PEM.
Import certificate – requires a PEM or PFX to be on disk and have a private key.
You must specify: vault name and certificate name (policy is optional)
PEM / PFX files contains attributes that KV can parse and use to populate the certificate policy. If a certificate policy is already specified, KV will try to match data from PFX / PEM file.
Once the import is final, subsequent operations will use the new policy (new versions).
If there are no further operations, the first thing the Key Vault does is send an expiration notice.
Also, the user can edit the policy, which is functional at the time of import but, contains defaults where no information was specified at import. Ex. no issuer info
Formats of Import we support
We support the following type of Import for PEM file format. A single PEM encoded certificate along with a PKCS#8 encoded, unencrypted key which has the following
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-----BEGIN CERTIFICATE----------END CERTIFICATE-----
-----BEGIN PRIVATE KEY----------END PRIVATE KEY-----
On certificate merge we support 2 PEM based formats. You can either merge a single PKCS#8 encoded certificate or a base64 encoded P7B file.-----BEGIN CERTIFICATE----------END CERTIFICATE-----
We currently don't support EC keys in PEM format.
Creating a certificate with a CA not partnered with Key Vault
This method allows working with other CAs than Key Vault's partnered providers, meaning your organization can work with a CA of its choice.
The following step descriptions correspond to the green lettered steps in the preceding diagram.
(1) - In the diagram above, your application is creating a certificate, which internally begins by creating a key in your key vault.
(2) - Key Vault returns to your application a Certificate Signing Request (CSR).
(3) - Your application passes the CSR to your chosen CA.
(4) - Your chosen CA responds with an X509 Certificate.
Generate Private Key Wildcard Certificate Pdf
(5) - Your application completes the new certificate creation with a merger of the X509 Certificate from your CA.