linux-kernel - Question about ctr mode 3des-ede IV len

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <584803E4.1040704@huawei.com>
Date:   Wed, 7 Dec 2016 20:43:16 +0800
From:   "Longpeng (Mike)" <longpeng2@...wei.com>
To:     <jussi.kivilinna@....fi>, <jussi.kivilinna@...tian.com>,
        <herbert@...dor.apana.org.au>
CC:     Gonglei <arei.gonglei@...wei.com>,
        "Zhoujian (jay, Euler)" <jianjay.zhou@...wei.com>,
        "Wubin (H)" <wu.wubin@...wei.com>, <longpeng2@...wei.com>,
        <linux-kernel@...r.kernel.org>
Subject: Question about ctr mode 3des-ede IV len

Hi Jussi and Herbert,

I saw serveral des3-ede testcases(in crypto/testmgr.h) has 16-bytes IV, and the
libgcrypt/nettle/RFC1851 said the IV-len is 8-bytes.

Would you please tell me why these testcases has 16-bytes IV ?

Thank you. :)

-- 
Regards,
Longpeng(Mike)