Comments (5)
zgrge
commented on July 19, 2024
2
You need to edit following string in build.xml:
<property name="bcprov.jar" value="lib/bcprov-jdk15on-150.jar" />
replace 'bcprov-jdk15on-150.jar' with exact name of jar you downloaded from bouncycastle website and placed in ./lib
from android-backup-extractor.
nelenkov
commented on July 19, 2024
The default target is named all, typingant` should be enough.
Also using Gradle is recommended.
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mjmunger
commented on July 19, 2024
Thanks for the reply. Your work and reply are both appreciated.
Just typing ant gives 11 errors mostly related to bouncy castle. I'll work on these myself, and if anything seems relevant, I'll post back. Otherwise, let's keep this closed. If you have any hints for the issues below, they would be appreciated.
root@d8:/usr/src/android-backup-extractor# ant
Buildfile: /usr/src/android-backup-extractor/build.xml
build:
[javac] Compiling 2 source files to /usr/src/android-backup-extractor/build
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:26: error: package org.bouncycastle.crypto does not exist
[javac] import org.bouncycastle.crypto.PBEParametersGenerator;
[javac] ^
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:27: error: package org.bouncycastle.crypto.generators does not exist
[javac] import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
[javac] ^
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:28: error: package org.bouncycastle.crypto.params does not exist
[javac] import org.bouncycastle.crypto.params.KeyParameter;
[javac] ^
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/Main.java:5: error: package org.bouncycastle.jce.provider does not exist
[javac] import org.bouncycastle.jce.provider.BouncyCastleProvider;
[javac] ^
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:449: error: cannot find symbol
[javac] PBEParametersGenerator generator = new PKCS5S2ParametersGenerator();
[javac] ^
[javac] symbol: class PBEParametersGenerator
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:449: error: cannot find symbol
[javac] PBEParametersGenerator generator = new PKCS5S2ParametersGenerator();
[javac] ^
[javac] symbol: class PKCS5S2ParametersGenerator
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:456: error: cannot find symbol
[javac] byte[] pwBytes = useUtf8 ? PBEParametersGenerator.PKCS5PasswordToUTF8Bytes(pwArray)
[javac] ^
[javac] symbol: variable PBEParametersGenerator
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:457: error: cannot find symbol
[javac] : PBEParametersGenerator.PKCS5PasswordToBytes(pwArray);
[javac] ^
[javac] symbol: variable PBEParametersGenerator
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:459: error: cannot find symbol
[javac] KeyParameter params = (KeyParameter) generator
[javac] ^
[javac] symbol: class KeyParameter
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/AndroidBackup.java:459: error: cannot find symbol
[javac] KeyParameter params = (KeyParameter) generator
[javac] ^
[javac] symbol: class KeyParameter
[javac] location: class AndroidBackup
[javac] /usr/src/android-backup-extractor/src/org/nick/abe/Main.java:11: error: cannot find symbol
[javac] Security.addProvider(new BouncyCastleProvider());
[javac] ^
[javac] symbol: class BouncyCastleProvider
[javac] location: class Main
[javac] 11 errors
BUILD FAILED
/usr/src/android-backup-extractor/build.xml:16: Compile failed; see the compiler error output for details.
Total time: 0 seconds
root@d8:/usr/src/android-backup-extractor#
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nelenkov
commented on July 19, 2024
See the README. If you are using Ant, you have to download the BouncyCastle jar manually. That's why Gradle is recommended, it downloads dependencies automatically.
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tmst
commented on July 19, 2024
Copying the bcprov.jar symlink from the system installation directory (/usr/share/java/bcprov.jar) into lib/ and updating build.xml to point to lib/bcprov.jar does the trick for me. This might help if bcprov is later updated, etc.
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