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+--- Thread: is password required to extract certs and mac (/showthread.php?tid=7089)
is password required to extract certs and mac - earth890 - 19-03-2019
Hello,
I am newbie.
Couple questions, please help.
1. Is login password to modem required in order to extract certs and mac? using the tool JTAG utility and cmnonexpv
2. in order to use JTAG utility, do i have to buy JTAG hardware component and solder it to modem? what is JTAG component to use with sb6141? may i have link please.
2. For a working sub modem, if i extra cert and mac, will this modem become unusable?
3. I see people saying full dump, what is dump?
Thank you
RE: is password required to extract certs and mac - occalifornia - 20-03-2019
(19-03-2019, 08:18 PM)earth890 Wrote: Hello,
I am newbie.
Couple questions, please help.
1. Is login password to modem required in order to extract certs and mac? using the tool JTAG utility and cmnonexpv
2. in order to use JTAG utility, do i have to buy JTAG hardware component and solder it to modem? what is JTAG component to use with sb6141? may i have link please.
2. For a working sub modem, if i extra cert and mac, will this modem become unusable?
3. I see people saying full dump, what is dump?
Thank you
1) Yes
2) Yes
3) No
4) the entire contents of the memory
RE: is password required to extract certs and mac - babyoche - 20-03-2019
1 no
2 yes, http://usbjtag.com/zenshop/index.php
3 no
4 when you read your modem with the jtag you will get the full dump
buy yourself the jtag nt and you will be able to read your modem and clone it to the other one or open the full dump with binwalk and extract the certs
RE: is password required to extract certs and mac - earth890 - 20-03-2019
(20-03-2019, 01:33 AM)occalifornia Wrote:(19-03-2019, 08:18 PM)earth890 Wrote: Hello,
I am newbie.
Couple questions, please help.
1. Is login password to modem required in order to extract certs and mac? using the tool JTAG utility and cmnonexpv
2. in order to use JTAG utility, do i have to buy JTAG hardware component and solder it to modem? what is JTAG component to use with sb6141? may i have link please.
2. For a working sub modem, if i extra cert and mac, will this modem become unusable?
3. I see people saying full dump, what is dump?
Thank you
1) Yes
2) Yes
3) No
4) the entire contents of the memory
thank you for the answers
your answer to first question is different than other's answer.
I see people saying blackcat JTAG, and i found this on ebay, does this one work as well? it is cheaper than USBJTAG.
Is JTAG hardware component detachable? do i need to solder and desolder every time on different modem? thank you so much
RE: is password required to extract certs and mac - occalifornia - 20-03-2019
Oh sorry for 1) I meant No.
I think USBJTAGNT is better or lets you connect to more chips.
You need to solder.
RE: is password required to extract certs and mac - earth890 - 20-03-2019
(20-03-2019, 02:03 AM)babyoche Wrote: 1 no
2 yes, http://usbjtag.com/zenshop/index.php
3 no
4 when you read your modem with the jtag you will get the full dump
buy yourself the jtag nt and you will be able to read your modem and clone it to the other one or open the full dump with binwalk and extract the certs
thank you for the answers
your answer to first question is different than other's answer.
I see people saying blackcat JTAG, and i found this on ebay, does this one work as well? it is cheaper than USBJTAG. https://www.ebay.com/itm/Blackcat-USB-SPI-I2C-JTAG-Flash-Programmer-SPANSION-MXIC-Winbond-Microchip-ATMEL/290505181360?hash=item43a37548b0:g:8FkAAOSw9N1VqMpw
Is JTAG hardware component detachable? do i need to solder and desolder every time on different modem? thank you so much
RE: is password required to extract certs and mac - earth890 - 20-03-2019
(20-03-2019, 02:51 AM)occalifornia Wrote: Oh sorry for 1) I meant No.
I think USBJTAGNT is better or lets you connect to more chips.
You need to solder.
thanks.
i forgot to post blackcat link: https://www.ebay.com/itm/Blackcat-USB-SPI-I2C-JTAG-Flash-Programmer-SPANSION-MXIC-Winbond-Microchip-ATMEL/290505181360?hash=item43a37548b0:g:8FkAAOSw9N1VqMpw
RE: is password required to extract certs and mac - earth890 - 20-03-2019
(20-03-2019, 02:51 AM)occalifornia Wrote: Oh sorry for 1) I meant No.
I think USBJTAGNT is better or lets you connect to more chips.
You need to solder.
hi,
another question. can USBJTAG use with modems running stock firmware to retrieve certs and dump? or it can only be used with modems running custom firmware? thanks
RE: is password required to extract certs and mac - babyoche - 20-03-2019
first you need to understand what is a jtag and what is used for, do some google.
jtag is not just for modems