Sequence Number IV Generator

modulename: seqiv.ko

configname: CONFIG_CRYPTO_SEQIV

Linux Kernel Configuration
└─>Cryptographic API
└─>Sequence Number IV Generator
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
This IV generator generates an IV based on a sequence number by
xoring it with a salt. This algorithm is mainly useful for CTR

source code: