Hi,
I am trying to create a secKey from a .p8 file which I will then use to sign some data. I'm targeting an iOS application.
I understand I cannot use the p8 key directly with iOS APIs and will have to unwrap the p8 file before I can feed it to
SecKeyCreateWithData
I'm unsure how to go about doing it though and any help will be appreciated. For context it is the APNS p8 file.
First up, I recommend that you read On Cryptographic Key Formats.
If you can rely on Apple CryptoKit, you can:
Import the PEM representation of the key using the init(pemRepresentation:) initialiser.
Export the X9.63 representation using x963Representation.
Create a SecKey form that.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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