Hi John, you need at least a Linux 4.2 kernel for chacha20poly1305 ESP to be supported.
Best regards Andreas On 19.11.2015 03:54, John WW wrote:
the left peer running on Linux localhost 4.1.5-x86_64 On Thu, Nov 19, 2015 at 10:47 AM, John WW <[email protected]> wrote:Hi Tobias Thanks for you reply. I have pull source from android-chapoly branch, and build it successfully, But it's failed when I try to establish connection. I have a Question, To enable chacha20 support, have any system requirement on left peer ? below is my strongswan log 02[KNL] 224: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 02[KNL] 240: 00 00 00 00 01 00 00 00 02 00 01 20 20 00 00 00 ........... ... 02[KNL] 256: 00 00 00 00 70 00 12 00 72 66 63 37 35 33 39 65 ....p...rfc7539e 02[KNL] 272: 73 70 28 63 68 61 63 68 61 32 30 2C 70 6F 6C 79 sp(chacha20,poly 02[KNL] 288: 31 33 30 35 29 00 00 00 00 00 00 00 00 00 00 00 1305)........... 02[KNL] 304: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 02[KNL] 320: 00 00 00 00 00 00 00 00 20 01 00 00 80 00 00 00 ........ ....... 02[KNL] 336: 45 92 EA 40 EB 5E 05 46 6E 09 AF 24 AD 3E 46 5B E..@.^.Fn..$.>F[ 02[KNL] 352: F0 7C DF 87 EC 9A BC A5 20 BF 1F 9D E2 FC 76 15 .|...... .....v. 02[KNL] 368: 4F 78 8D 5F 1C 00 04 00 02 00 11 94 B0 CE 00 00 Ox._............ 02[KNL] 384: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 02[KNL] received netlink error: Function not implemented (38) 02[KNL] unable to add SAD entry with SPI 0a3c776e 02[IKE] unable to install inbound and outbound IPsec SA (SAD) in kernel 02[ENC] added payload of type NOTIFY to message 02[IKE] failed to establish CHILD_SA, keeping IKE_SA 02[KNL] deleting SAD entry with SPI c73657b2 (mark 0/0x00000000) conn android keyexchange=ikev2 left=%defaultroute leftauth=pubkey leftsubnet=0.0.0.0/0 leftfirewall=yes leftcert=server.cert.pem leftid="C=CN, O=strongxyz, CN=x.x.x.x" right=%any rightid="C=CN, O=strongxyz, CN=android" rightsourceip=10.7.0.0/24 rightcert=android.client.cert.pem ike=aes256ccm128-sha256-modp2048,aes256gcm128-sha256-modp2048,aes256gcm96-sha384-modp2048,aes256ccm96-sha384-modp2048,aes256-sha256-modp2048,aes128-sha256-modp2048,aes128-sha1-modp2048! esp=chacha20poly1305,aes128gcm128,aes256gcm128,aes256ccm128-sha256-modp2048,aes256ccm128-sha256-modp2048,aes256gcm128-sha256-modp2048,aes256gcm96-sha384-modp2048,aes256ccm96-sha512-modp2048,aes256-sha256,aes128-sha1-modp2048! mobike=yes compress=yes auto=add If I remove 'chacha20poly1305' in esp, all is right On Wed, Nov 18, 2015 at 7:00 PM, Tobias Brunner <[email protected]> wrote:Hi John,How can I enable chacha20 in Android app ? is't possible update Android.mk to add chacha20 plugin for support it ?Please have a look at the patches in the android-chapoly branch [1]. Regards, Tobias [1] https://git.strongswan.org/?p=strongswan.git;a=shortlog;h=refs/heads/android-chapoly-- Thanks
====================================================================== Andreas Steffen [email protected] strongSwan - the Open Source VPN Solution! www.strongswan.org Institute for Internet Technologies and Applications University of Applied Sciences Rapperswil CH-8640 Rapperswil (Switzerland) ===========================================================[ITA-HSR]==
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