How to migrate from SafeHelperFactory to SupportOpenHelperFactory while keeping existing encrypted database accessible

[viethoangtien]

I’m migrating from SQLCipher’s legacy SafeHelperFactory to SupportOpenHelperFactory in the new net.zetetic:sqlcipher-android library

Previously, I used:

val phrase: CharArray = password.toCharArray()
factory = SafeHelperFactory(phrase, SafeHelperFactory.POST_KEY_SQL_MIGRATE)

Now I changed it to:

val phrase: ByteArray = password.toByteArray(Charsets.UTF_8)
factory = SupportOpenHelperFactory(phrase)

But I can no longer open the database encrypted with the previous SafeHelperFactory. It throws a net.sqlcipher.database.SQLiteException: file is not a database.

• The password is the same

• The database file is preserved

• Migration fails silently or throws an error

What is the correct way to migrate an existing SQLCipher-encrypted Room database from SafeHelperFactory to SupportOpenHelperFactory while preserving the data.

Thanks.

[developernotes]

Hi @viethoangtien,

What version of SQLCipher for Android was used to create the database file you are attempting to open?