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momentarily go back to 16 byte IVs 

The Crypto provider used from Android P onwards (conscrypt) has a weird bug
that when 12 bytes IVs are used it will decrypt or encrypt the entire file
in RAM instead of streaming it. That will cause OOM for 'larger' files on http
upload. (both downloads and uploads are effected)

It is currently unclear why this is happening and why Conscrypt is put into a
different mode.
We are only observing that Android versions below P are fine and using 16 bytes
is fine on all Android versions.
This commit is contained in:
Daniel Gultsch 2020-03-07 18:33:22 +01:00
parent b2e9a954ab
commit 788b0f7f2d
1 changed files with 1 additions and 1 deletions
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src/main/java/eu/siacs/conversations/Config.java
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@ -100,7 +100,7 @@ public final class Config {
public static final boolean REMOVE_BROKEN_DEVICES = false; public static final boolean REMOVE_BROKEN_DEVICES = false;
public static final boolean OMEMO_PADDING = false; public static final boolean OMEMO_PADDING = false;
public static final boolean PUT_AUTH_TAG_INTO_KEY = true; public static final boolean PUT_AUTH_TAG_INTO_KEY = true;
public static final boolean TWELVE_BYTE_IV = true; public static final boolean TWELVE_BYTE_IV = false;
public static final boolean USE_BOOKMARKS2 = false; public static final boolean USE_BOOKMARKS2 = false;