How to get Apple Pay private key

1. Export your private key as .p12

Open your Keychain Access, locate your Apple Pay private key, export it as .p12 file.

2. Convert .p12 to .pem

$ openssl pkcs12 -in YourPrivateKey.p12 -nodes -out YourPrivateKey.pem

3. Print private key

$ cat YourPrivateKey.pem

4. You got the private key

The base64 encoded string between BEGIN and END is your private key.

-----BEGIN EC PRIVATE KEY-----
{Your-Private-Key-Is-Here}
-----END EC PRIVATE KEY-----

Then you are able to use it like below

var p = new ApplePayParameters
{
    PrivateKey = "{Your-Private-Key-Is-Here}"
};

License

Licensed under the MIT License.