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Verifying the APK's certificate

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lamarc
lamarc
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Hi,

I'm trying to install Firefox on an Android phone directly through APK. I wanted to verify the signature of tha APK, so I unzipped the APK, and run keytool -printcert -file on the APK2_FEN.RSA file that was inside. This returned: Owner: CN=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, L=Mountain View, ST=California, C=US Issuer: CN=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, L=Mountain View, ST=California, C=US Serial number: 4c72fd88 Valid from: Tue Aug 24 01:00:24 CEST 2010 until: Sat Jan 09 00:00:24 CET 2038 Certificate fingerprints: SHA1: 92:0F:48:76:A6:A5:7B:4A:6A:2F:4C:CA:F6:5F:7D:29:CE:26:FF:2C SHA256: A7:8B:62:A5:16:5B:44:94:B2:FE:AD:9E:76:A2:80:D2:2D:93:7F:EE:62:51:AE:CE:59:94:46:B2:EA:31:9B:04 Signature algorithm name: SHA1withRSA (weak) Subject Public Key Algorithm: 2048-bit RSA key Version: 3

Does that sound right? Is there any place to check that the fingerprints match?

Hi, I'm trying to install Firefox on an Android phone directly through APK. I wanted to verify the signature of tha APK, so I unzipped the APK, and run keytool -printcert -file on the APK2_FEN.RSA file that was inside. This returned: Owner: CN=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, L=Mountain View, ST=California, C=US Issuer: CN=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, L=Mountain View, ST=California, C=US Serial number: 4c72fd88 Valid from: Tue Aug 24 01:00:24 CEST 2010 until: Sat Jan 09 00:00:24 CET 2038 Certificate fingerprints: SHA1: 92:0F:48:76:A6:A5:7B:4A:6A:2F:4C:CA:F6:5F:7D:29:CE:26:FF:2C SHA256: A7:8B:62:A5:16:5B:44:94:B2:FE:AD:9E:76:A2:80:D2:2D:93:7F:EE:62:51:AE:CE:59:94:46:B2:EA:31:9B:04 Signature algorithm name: SHA1withRSA (weak) Subject Public Key Algorithm: 2048-bit RSA key Version: 3 Does that sound right? Is there any place to check that the fingerprints match?

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