On Mon, 13 Mar 2017, Tuomo Soini wrote:

On Sun, 12 Mar 2017, Viktor Keremedchiev wrote:

Subject: Re: [Swan] Android VPN not passing any traffic, OSX does
work

Android will only do sha2_256 with broken hash truncation for esp. They
dropped sha1 support from android and don't support sha2_512, aes_gcm
or any other working hashing solution for esp.

AES_GCM is not defined for IKEv1, so that they don't support that makes
sense. But if they are not supporting SHA1 or SHA2_512, then this is a
huge problem. Which android version dropped SHA1 ?

https://libreswan.org/wiki/FAQ#Using_SHA2_256_for_ESP_connection_establishes_but_no_traffic_passes_.28especially_Android_6.0.29

Our FAQ is not aware that the problem has gotten worse ? It would be
good to get the information to update the entry.

Paul
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