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swapnull-in/Dev Certificate

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Last active June 10, 2022 17:26
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Making a PEM File for iOS Push Notifications (From Ray Wenderlich's tutorial)
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Dev Certificate
# Convert the .cer file into a .pem file:
$ openssl x509 -in aps_development.cer -inform der -out apns_cert_dev.pem
# Convert the private key’s .p12 file into a .pem file:
$ openssl pkcs12 -nocerts -in aps_development.p12 -out apns_key_dev.pem
# Finally, combine the certificate and key into a single .pem file
$ cat apns_cert_dev.pem apns_key_dev.pem > ck_dev.pem
# At this point it’s a good idea to test whether the certificate works.
$ telnet gateway.sandbox.push.apple.com 2195
# Let’s try connecting again, this time using our SSL certificate and private key to set up a secure connection.
$ openssl s_client -connect gateway.sandbox.push.apple.com:2195 -cert apns_cert_dev.pem -key apns_key_dev.pem
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