What is the specific method of skadnetwork advertising signature?
Sign the Combined String
Sign the combined UTF-8 string with the following key and algorithm:
Your PKCS#8 private key.
The Elliptic Curve Digital Signature Algorithm (ECDSA) with a SHA-256 hash.
The resulting Digital Encoding Rules (DER)-formatted binary value is the signature.
Can anyone provide a specific method? thank you