In order to deploy this template, you need to have the following resources: 1. A Key Vault (specified in 'existingKeyVaultId' parameter) 2. A Key Vault Secret containting a PFX certificate stored in base64 encoded format (PowerShell script is given below) 3. A Web App (specified in 'existingWebAppName' parameter) 4. The App Service Plan (serverFarm) resource identifier housing the Web App specified in step 3
In one of my earlier posts, PFX Certificate in Azure Key Vault, we saw how to save PFX Certificate files in Key Vault as Secrets.Azure Key Vault now supports certificates as a first class citizen.This means one can manage certificates as a separate entity in KeyVault. At the time of writing, Key Vault supports managing certificates using Powershell. Oct 25, 2019 Import a certificate from Key Vault. If you use Azure Key Vault to manage your certificates, you can import a PKCS12 certificate from Key Vault into App Service as long as it satisfies the requirements. In the Azure portal, from the left menu, select App Services.
By default, 'Microsoft.Azure.WebSites' Resource Provider (RP) doesn't have access to the Key Vault specified in the template hence you need to authorize it by executing the following PowerShell commands before deploying the template:
ServicePrincipalName parameter represents Microsoft.Azure.WebSites RP in user tenant and will remain same for all Azure subscriptions. This is a onetime operation. Once you have a configured a Key Vault properly,you can use it for deploying as many certificates as you want without executing these PowerShell commands again. You can go through the Key Vault documentation for more information: https://azure.microsoft.com/en-us/documentation/articles/key-vault-get-started/
The Web App should be in the same resource group with 'hostname' assigned as a custom domain. https://azure.microsoft.com/en-us/documentation/articles/web-sites-custom-domain-name/
SSL/TLS security for Microsoft Azure Key Vault. DigiCert and Microsoft are working together to improve how enterprises can seamlessly obtain high-assurance certificates and keep those certificates renewed by providing convenient access to SSL/TLS certificates and private key storage. Certificate creation methods.; 4 minutes to read +1; In this article. A Key Vault (KV) certificate can be either created or imported into a key vault. When a KV certificate is created the private key is created inside the key vault and never exposed to certificate owner. The following are ways to create a certificate in Key Vault.
PowerShell script to upload certificate into a Key Vault Secret:
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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.
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
Generate Ssl Certificate In Azure Key Vault Video
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
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.
Azure Get Ssl Certificate
(4) - Your chosen CA responds with an X509 Certificate.
Ssl Certificates In Azure
(5) - Your application completes the new certificate creation with a merger of the X509 Certificate from your CA.