arx8x / nvnonce

Set boot-nonce variable in nvram on iOS

nvnonce

Set generator value in nvram on iOS

• Usage

nvnonce - prints the current generator value

nvnonce <generator> to set the generator value

The input value will be validated

• Example

Reading

iKrux-6:/ root# nvnonce
0xffddffddffddfffa

Setting

iKrux-6:/ root# nvnonce 0xff22e9aef60619e3
Success : 0xff22e9aef60619e3

iKrux-6:/ root# nvnonce ff22e9aef60619e3
Success : 0xff22e9aef60619e3

• Errors

iKrux-6:/ root# nvnonce 0xdaddy
Invalid generator

invalid length

iKrux-6:/ root# nvnonce 0xff22e9aef6g619e3
Generator validation failed

the 'g' makes it invalid

iKrux-6:~ mobile$ nvnonce ff22e9aef60619e3
(iokit/common) general error

ran as mobile