If you have obtained MeshCore.apk from another source, you may use the following information to verify it has been signed by my release key. Signing Certificate File: - com.liamcottle.meshcore.android.pem Signing Certificate Details: - Owner: CN=Liam Cottle, OU=Unknown, O=MeshCore, L=Gisborne, ST=Gisborne, C=NZ - Issuer: CN=Liam Cottle, OU=Unknown, O=MeshCore, L=Gisborne, ST=Gisborne, C=NZ - Serial number: f1eaceb51c3dc6ae - Valid from: Sun Feb 23 20:27:56 NZDT 2025 until: Thu Jul 11 19:27:56 NZST 2052 - Certificate fingerprints: - SHA1: D1:5F:16:C8:1B:6B:B0:3A:C3:5C:36:8D:F4:0D:4D:38:99:A8:A0:45 - SHA256: F9:36:C9:3F:DD:6F:57:F1:CD:F2:A7:1B:E6:16:4A:03:F2:4E:89:62:10:83:F1:74:08:32:CE:50:93:62:B4:7B - Signature algorithm name: SHA384withRSA - Subject Public Key Algorithm: 2048-bit RSA key You can use one of the following commands to extract the signing certificate information from an APK: unzip -p MeshCore.apk "META-INF/*.RSA" | keytool -printcert unzip -p MeshCore.apk "META-INF/*.RSA" | openssl pkcs7 -inform DER -print_certs -noout -text