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Use a safer algorithm, and limit the size of the hashed string.

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Fix an issue reported by Sonar.
This commit is contained in:
Benoit Marty 2023-08-25 15:49:17 +02:00 • committed by Benoit Marty
parent 61323a89ad
commit 64a7fc5f52
2 changed files with 7 additions and 5 deletions
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6
features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/migration/SharedPrefsMigrationScreenStore.kt
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@ -19,7 +19,7 @@ package io.element.android.features.ftue.impl.migration
import android.content.SharedPreferences
import androidx.core.content.edit
import com.squareup.anvil.annotations.ContributesBinding
import io.element.android.libraries.androidutils.hash.md5
import io.element.android.libraries.androidutils.hash.hash
import io.element.android.libraries.di.AppScope
import io.element.android.libraries.di.DefaultPreferences
import io.element.android.libraries.matrix.api.core.SessionId
@ -49,7 +49,9 @@ class SharedPrefsMigrationScreenStore @Inject constructor(
}
private fun SessionId.toKey(): String {
return IS_MIGRATION_SCREEN_SHOWN_PREFIX + value.md5()
// Hash the sessionId to get ride of exotic char and take only the first 16 chars,
// The risk of collision is not high.
return IS_MIGRATION_SCREEN_SHOWN_PREFIX + value.hash().take(16)
}
companion object {