1The test data is generated as follows:
2
3$ keytool -keystore keystore -genkey -alias mykey
4The password for the keystore and the key is 123456.
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6The signer information is set as follows:
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8CN=Android, OU=Android, O=Android, L=Mountain View, ST=CA, C=US
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10Build a random apk (Bluetooth.apk is chosen arbitrary)
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12$ m Bluetooth
13$ cp $ANDROID_PRODUCT_OUT/system/app/Bluetooth.apk ./test.apk
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15Sign it using the apksigner.
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17$ m apksigner
18$ apksigner sign --ks keystore ./test.apk
19
20Check that the idsig file is created.
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22$ ls -l test.apk*
23-rw-r----- 1 jiyong primarygroup 3888734 Jun  4 01:08 test.apk
24-rw-r----- 1 jiyong primarygroup   39115 Jun  4 01:08 test.apk.idsig
25