I cannot get a MATCHING SHA256 Signal APK from https://signal.org/android/apk/ I have been searching all day to find that SHA256 signature and I CANNOT validate the APK using the APKSIGNER tool and
How to verify the SHA256 checksum of a downloaded file – Hak5
Free HMAC-SHA256 Online Generator Tool | Devglan
GitHub - levinholsety/hash-tool-go: A command line tool to compute CRC32, MD5, SHA1, SHA256 and SHA512 hashes of files.