apple-pay-helper
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A utility library for handling server side Apple Pay sessions and decrypting tokens.
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note: This part can be tricky. In case something is not working for you, you can generate the files using [this]('https://github.com/samcorcos/apple-pay-decrypt#readme') guide
## šļø Creating Payment Processing Private Key as a PEM File for Apple Merchant Certification šļø
#### Step 0: Obtain a Payment Processing Certificate from Apple Developer Portal š
Before you can create the private key file, you must first obtain a Payment Processing Certificate from the Apple Developer Portal. You'll need to create a Certificate Signing Request (CSR) using ECC 256 bit key pair. Follow the guide provided by Apple to create a CSR: [Create a Certificate Signing Request (CSR)](https://developer.apple.com/help/account/create-certificates/create-a-certificate-signing-request).
Once you have the CSR, you can use it to create a Payment Processing Certificate in the Apple Developer Portal. Download the certificate in p12 format.
#### Step 1: Export the Payment Processing Certificate as a p12 File š
1. š„ļø Open the Keychain Access on your macOS machine.
2. š Find the Payment Processing Certificate you want to export.
3. š±ļø Right-click on the certificate and select "Export."
4. š Choose the p12 format for the export and save the file to your desired location.
#### Step 2: Convert the p12 File to PEM Format (Certificate and Private Key Together) š
1. š„ļø Open your terminal and navigate to the directory where the p12 file is located.
2. šāāļø Run the following command to convert the p12 file to PEM format:
```bash
$ openssl pkcs12 -in PaymentProcessing.p12 -out combined.pem -nodes
```
Replace `PaymentProcessing.p12` with the name of your p12 file.
#### Step 3: Extract the Private Key from the Combined PEM File š
1. šāāļø Run the following command to extract the private key from the combined PEM file:
```bash
$ openssl pkey -in combined.pem -out payment_processor_privatekey.pem
```
š Congratulations! You now have the Payment Processing Private Key in PEM format (`payment_processor_privatekey.pem`). Keep this file in a secure location, as it contains sensitive information.
#### š Note
- š Always handle certificates and private keys with extreme care. Exposure of these files could compromise the security of your application.
- š ļø If you encounter any issues, you may need to consult the OpenSSL documentation or seek help from a knowledgeable colleague or online community.
Happy coding, and stay secure! š