tl;dr
Does a certificate contain both private key and public key?
If so, how can I export a private key to .pem from a certificate on Mac? When you export a certificate in KeyChain Access, it give you only one .pem file and it is not a private key.
If not, how can I get one? Because I clearly I have it somewhere in the computer that enables corporate services.
I only have a scattered ideas on how certificate works so pardon me for just laying out things I know and have.
I have a certificate issued by my company (I will call it Orange for reference).
Orange certificate is needed to make an API call.
From the example for the API call, I need to provide public key from Orange and private key. Both of them are .pem.
I honestly don't know if Orange certificate in KeyChain Access is supposed to contain both public and private key but I assume so because a certificate works with two keys that work together and Certificate Export Wizard on Windows gives you option whether you want to export private key when you try to export a certificate.
The problem is when I export my Orange certificate from KeyChain Access, it gives no such option. I only get one .pem file (or .cer or .p7b depending on what format I chose) and it doesn't look like a private key.
-----BEGIN CERTIFICATE-----
...many characters...
-----END CERTIFICATE-----
I can see Keys section in Keychain Access. But the certificate's name is not Orange..
Related
I am trying to recreate a Developer ID Application certificate, so I can sign my application. I had an existing certificate, but it's about to expire, so I am trying to regenerate a new one.
However, when I download a newly generated certificate from developer.apple.com, the imported certificate has no key as its child node in Keychain Access. The old certificate had this. When I attempt to use the certificate for code signing I receive something like:
/tmp/myapp.app/Contents/app/bin/myapp.exe: errSecInternalComponent
I am following the instructions to obtain a signed certificate using Certificate Assistant:
Ensuring nothing is selected in Keychain Access, click Keychain Access > Certificate Assistant > Request a Certificate from a Certificate Authority.
I enter my email, accept the default Common Name and click Saved to disk.
In developer.apple.com I click the "+" to Create a New Certificate
I choose Developer ID Application
I upload the CSR I saved above
I download the .cer file that is generated
I open the .cer file. This adds the certificate.
As you can see, the certificate does not have a private key inside it, like the old one:
Unfortunately I don't have the old certificate now having deleted it in a fit of pique but it looked like this:
... although in my case it had my private key.
I've noticed reference to the claim that creating a CSR also creates a public/private key pair, but I cannot see these anywhere in Keychain Access.
Later, I did manage to import the certificate and it show the private key. I think this was when I imported it into the same keychain as that which contains a private key "Dan Gravell" - login. However, I have since tried replicating that and now the certificate is being imported without a key again.
Xcode appearance
I've discovered there's a little more information in Xcode. The certificate shows "Missing Private Key" next to it:
When I look this error up, the suggestions seem to be that the certificate has been given to a developer by some third party that didn't include the private key. However, in my case I am that third party who has created the CSR and received the certificate originally and I thought I had the private key, otherwise I wouldn't have been able to create the CSR in the first place. All these items appear to be in my keychain.
I (eventually) got a reply from Developer Program Support. They issued a new certificate which I installed via XCode this time. I documented my other steps here: https://stackoverflow.com/a/74210449/28190
I'm trying to set up an SSL from Namecheap and I need both the public cert and the private key but Windows seems only to give the public key. I even tried using the export option later on and found nothing akin to a secret key (show below):
Any insight would be appreciated greatly.
I accidentally deleted my private key from keychain i have that same CSR file and iPhone Distribution certificate, i want to install private key from CSR file. when i install iPhone Distribution certificate i am not getting private key in keychain access. i don't have developer account access now. how to do that?
The certificate signing request (CSR) does not include the private key, only the public key. If you don't have some sort of backup (of the keychain or an exported private key), you will not be able to recreate it.
I am unable to install a mobile provisioning certificate on iOS 5 because I get this error:
The container "…" must contain only one certificate and its private key.
I used the same process that worked in the past but on iOS 5 it doesn't work and I have no idea how to export my certificate in a "desirable" state.
I was able to fix this by exporting the private key from the "Certificates" Category of Keychain, rather than exporting the Key directly.
So export the NAME of the cert, not the private key itself, and you should be good to go.
I think a more specific answer is that you...
open up Keychain app
(I am assuming you already have the key pair of your Identity in a keychain )
Like #Brent Shaffer says, choosing from "Certificates" is more straight forward
(The reason being is that the Keychain App logically groups the Certificate and private key for identities when using the "Certificates" view)
SHIFT-select both your SMIME certificate and its corresponding private key
right-click the selection and choose 'Export 2 Items'
Save as a (.p12) file with a very strong password
email the .p12 file to your email account
And from your iphone Mail app you can tap the .p12 file
and Mail will suggest to import this as a Profile. You will need the password from earlier.
I´m trying to sign some text or XML node using my certificates, installed on Internet Explorer or from filesystem (or some method!)...but I want to ask the user for his certificate password when signing.
If i´m not wrong, I think that I need that password to access the private key and with that key, sign my data....is ok?
Nothing that I read helps me in the part of asking the password or getting the private key.
Some examples or help will be great.
With X509Certificate2 x509 = new X509Certificate2(#"c:\Test.pfx", "test") you can import certificate with the private key information from the PFX file. The private key can be received by x509.PrivateKey.
You can find many examples how to sign XML file. For example http://developers.de/blogs/rolf_nebhuth/archive/2009/05/13/signing-xml-documents.aspx or http://www.west-wind.com/weblog/posts/257599.aspx.