Edit Infobox Switch Homebrews: Prodinfo Gen Switch

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prodinfo_gen is a Nintendo Switch payload that can generate minimal, console-unique, PRODINFO files. It can either build one from scratch or import parts of a donor PRODINFO. It is primarily aimed at people without a backup of their PRODINFO or building a NAND from scratch. This tool is not meant to, and will not, unban a Switch console. '''Note:''' Use this tool at your own risk, do not overwrite a factory PRODINFO without making a backup first. ==User guide== ===Limitations=== Of course, as we do not have Nintendo's private keys, the generated files can't be perfect. Here's what works: {| class="wikitable" ! ||Booting||Homebrews||Amiibos||GameCards||Online |- |from scratch||✓||✓||✓|| || |- |from donor||✓||✓||✓||✓|| |- | |} As such, a "from scratch" PRODINFO also acts as a more elaborate "Incognito". ===How to use=== If you want to use a donor PRODINFO, place it at <code>sd:/switch/donor_prodinfo.bin</code>. (Note: If the donor is a patched or Mariko Switch, you will need to copy the donor's keys to <code>sd:/switch/donor.keys</code>.) Launch prodinfo_gen.bin using your favorite payload injector or chainloader. You should find <code>sd:/switch/generated_prodinfo_from_scratch.bin</code> or <code>sd:/switch/generated_prodinfo_from_donor.bin</code> depending on what you selected. You can now write that PRODINFO to your NAND using a tool such as HacDiskMount (it is recommended to make a backup of the current PRODINFO first). ===Useful links=== [https://gbatemp.net/threads/switch-unbricking-guide-prodinfo-fix-pikafix.578026/ Switch Unbricking Guide - ProdInfo Fix (PikaFix)] (by Adran_Marit). ==Screenshots== https://dlhb.gamebrew.org/switchhomebrews/prodinfogennx4.png ==Media== '''THE PRODINFO GEN TOOL''' ([https://www.youtube.com/watch?v=gpjkXtHR8Jk sthetix]) <br> <youtube>gpjkXtHR8Jk</youtube> ==Changelog== '''v1.1.0 2022/04/02''' *Adds support for 14.0.0. *What happened is that, until 14.0.0, on boot, the device id from fuses was compared against the one embedded in <code>Rsa2048DeviceCertificate</code> or <code>EccB233DeviceCertificate</code>. Now, <code>Rsa2048ETicketCertificate</code> is used instead, but prodinfo_gen didn't write the device id string there. *Not sure why this changed, it does make the logic simpler as Rsa2048ETicketCertificate is available on every console, whereas newer consoles lack an EccB233DeviceCertificate. *Thanks @xiaojiangGangGang, @stanz328, @lsp199308, and @laotoulyh for reporting/testing. *Closes [https://github.com/CaramelDunes/prodinfo_gen/issues/24 #24]. '''v1.0.1 2021/11/04''' *WARNING: This does not work with firmware 14+! Please use version 1.1.0 or higher if you plan to use the generated prodinfo with a 14+ firmware. *Based on latest [https://github.com/shchmue/Lockpick_RCM Lockpick_RCM]. **Adds support for OLED Switch (Aula). **Automatically dumps master keys, no need for prod.keys anymore. **Makes importing from donor simpler, simply copy the donor's keys to <code>sd:/switch/donor.keys</code>. *Correctly sets <code>ProductModel</code> for OLED Switch. *Thanks to @laotoulyh for testing and providing me with a sample. *Closes [https://github.com/CaramelDunes/prodinfo_gen/issues/20 #20]. '''v1.0.0 2021/11/02''' *Based on latest [https://github.com/shchmue/Lockpick_RCM Lockpick_RCM]. **Adds support for OLED Switch (Aula). **Automatically dumps master keys, no need for prod.keys anymore. **Makes importing from donor simpler, simply copy the donor's keys to <code>sd:/switch/donor.keys</code>.. *Correctly sets <code>ProductModel</code> for OLED Switch. *Thanks to @laotoulyh for the sample. *Closes [https://github.com/CaramelDunes/prodinfo_gen/issues/20 #20]. '''v0.3.4 2021/02/18''' *Fix the <code>ProductModel</code> field value ([https://github.com/CaramelDunes/prodinfo_gen/pull/11 #11]). **It could cause the "Connect Joycons" screen to appear on the Switch Lite. **Many thanks to @henryjmin *Personalize the console colors in the Controllers screen. '''v0.3.3 2021/01/11''' *Allow importing from patched and Mariko Switch PRODINFOs. Do not forget to add <code>donor_device_key_4x</code> to your prod.keys (see README). *"From donor" PRODINFOs are now built like "from scratch" with additional certificate and key importing. It should lead to more reliable PRODINFOs. *Fix 2011-0301 error when using a "from scratch" PRODINFO. *Huge thanks to @laotoulyh, @Kronos2308, and Modificatorul for helping me test. '''v0.3.2 2021/01/11''' *Allow importing from patched and Mariko Switch PRODINFOs. Do not forget to add <code>donor_device_key_4x</code> to your prod.keys (see README). *"From donor" PRODINFOs are now built like "from scratch" with additional certificate and key importing. It should lead to more reliable PRODINFOs. *Fix 2011-0301 error when using a "from scratch" PRODINFO. '''v0.3.1 2021/01/10''' *Allow importing from patched and Mariko Switch PRODINFOs. Do not forget to add <code>donor_device_key_4x</code> to your prod.keys (see README). *"From donor" PRODINFOs are now built like "from scratch" with additional certificate and key importing. It should lead to more reliable PRODINFOs. '''v0.3.0 2021/01/10''' *Allow importing from patched and Mariko Switch PRODINFOs. Do not forget to add <code>donor_device_key_4x</code> to your prod.keys (see README). *"From donor" PRODINFOs are now built like "from scratch" with additional certificate and key importing. It should lead to more reliable PRODINFOs. '''v0.2.1 2021/01/05''' *Thanks, @shchmue, for the Lotus kek sources. '''v0.2.0 2021/01/02''' *Add Mariko support by merging changes from https://github.com/shchmue/Lockpick_RCM. *Big thanks to Modificatorul for helping me test this version. '''v0.2.0 2020/12/31''' *Add Mariko support by merging changes from https://github.com/shchmue/Lockpick_RCM. '''v0.1.3 2020/10/27''' *Improve RandomNumber generation. '''v0.1.2 2020/10/25''' *Fix SslCertificateHash computation. '''v0.1.1 2020/10/23''' *Improve README. '''v0.1.0 2020/10/23''' * Feature/cal0 builder (#1) ** Support broken eMMC. ** Add CAL0 menu entry. ** Working ghash and decryption of extended keys. ** Added primitive personalization. ** From scratch works. ** From scratch works. ** Cleanup. ** Warning cleanup. ** Read master_key_00 from prod.keys. ==Credits== *This software is based on shchmue's [https://github.com/shchmue/Lockpick_RCM Lockpick_RCM]. *GCM encryption primitives from [https://github.com/Atmosphere-NX/Atmosphere Atmosphère]. *Most of the reverse engineering work comes from [https://github.com/shchmue shchmue], [https://github.com/PabloZaiden PabloZaide]n, [https://switchbrew.org/wiki/Calibration SwitchBrew]. == External links == * GitHub - https://github.com/CaramelDunes/prodinfo_gen * GBAtemp - https://github.com/CaramelDunes/prodinfo_gen

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