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update.bin = v1.0.4c2_TMU510_u.bin - first 32 bytes (IV + Hash)
update.bin = v1.0.4c2_TMU510_u.bin - first 32 bytes (IV + Hash)


{{keyboard|content=<syntaxhighlight lang="bash">openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv 737973317347595DFB853B7B4A28105D -in update.bin -out update.tar.gz</syntaxhighlight>}}
{{keyboard|content=openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv 737973317347595DFB853B7B4A28105D -in update.bin -out update.tar.gz
}}
<br />
<br />
<br />
Output:
Output:
<pre>
<pre>
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Thanks,
Thanks,


{{keyboard|content=<syntaxhighlight lang="bash">openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv FB306DA62E530EB13FB9D0EF8615060A -in reftool_cp_133.bin -out reftool_cp_133.tar.gz</syntaxhighlight>}}
{{keyboard|content=openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv FB306DA62E530EB13FB9D0EF8615060A -in reftool_cp_133.bin -out reftool_cp_133.tar.gz
}}


works. (I should learn reading ;))
works. (I should learn reading ;))
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* Because Syscon's firmware is fully overwritten on a DECR-1000, it is trivial to downgrade its firmware if you are connected to the CP's Shell. (There is actually a script on the CP rom that does just this, all you have to do is to comment the version check) (patched update_syscon.pl: [[http://pastebin.com/ZMxvTxwL]])
* Because Syscon's firmware is fully overwritten on a DECR-1000, it is trivial to downgrade its firmware if you are connected to the CP's Shell. (There is actually a script on the CP rom that does just this, all you have to do is to comment the version check) (patched update_syscon.pl: [[http://pastebin.com/ZMxvTxwL]])


* [http://www.sony.net/Products/Linux/Others/DECR-1000.html partial Source Code]
* [http://www.sony.net/Products/Linux/Others/DECR-1000.html | partial Source Code]
::Package:
::    DECR-1000-linux-2.4.tar.gz
::    hhl-target-anacron-2.3-mvl3.0.0.2.src.rpm
::    hhl-target-bash-2.05a-mvl3.0.0.1.src.rpm
::    hhl-target-binutils-2.12.1-mvl3.0.0.14.3.src.rpm
::    hhl-target-dhcpcd-1.3.22pl2-devtool.1.src.rpm
::    hhl-target-diff-2.7-mvl3.0.0.3.src.rpm
::    hhl-target-e2fsprogs-1.22-mvl3.0.0.2.src.rpm
::    hhl-target-fileutils-4.1-mvl3.0.0.2.src.rpm
::    hhl-target-findutils-4.1.7-mvl3.0.0.2.src.rpm
::    hhl-target-gawk-3.1.0-mvl3.0.0.2.src.rpm
::    hhl-target-gcc-3.2.1-mvl3.0.0.5.20.src.rpm
::    hhl-target-glib-1.2.10-mvl3.0.0.7.src.rpm
::    hhl-target-glibc-2.2.5-mvl3.0.0.15.14.src.rpm
::    hhl-target-grep-2.4.2-mvl3.0.0.1.src.rpm
::    hhl-target-gzip-1.2.4-mvl3.0.0.2.src.rpm
::    hhl-target-hardhatutils-1.14-mvl3.0.0.10.src.rpm
::    hhl-target-hostname-2.09-mvl3.0.0.1.src.rpm
::    hhl-target-ifupdown-0.6.4-mvl3.0.0.2.src.rpm
::    hhl-target-iptables-1.2.2-mvl3.0.0.1.src.rpm
::    hhl-target-iputils-20020124-mvl3.0.0.1.1.src.rpm
::    hhl-target-less-358-mvl3.0.0.1.src.rpm
::    hhl-target-logrotate-3.5.7-mvl3.0.0.1.src.rpm
::    hhl-target-memstat-0.2-mvl3.0.0.2.src.rpm
::    hhl-target-minicom-1.83.0-mvl3.0.0.1.src.rpm
::    hhl-target-modutils-2.4.16-mvl3.0.0.4.src.rpm
::    hhl-target-nano-1.0.3-mvl3.0.0.1.src.rpm
::    hhl-target-net-tools-1.60-mvl3.0.0.2.src.rpm
::    hhl-target-netbase-4.06-mvl3.0.0.1.src.rpm
::    hhl-target-pam-0.72-mvl3.0.0.4.src.rpm
::    hhl-target-perl-5.6.1-mvl3.0.0.5.src.rpm
::    hhl-target-procps-2.0.7-mvl3.0.0.3.src.rpm
::    hhl-target-psmisc-20.1-mvl3.0.0.2.src.rpm
::    hhl-target-rsync-2.3.2-mvl3.0.0.4.src.rpm
::    hhl-target-sed-3.02-mvl3.0.0.2.src.rpm
::    hhl-target-shellutils-2.0.11-mvl3.0.0.3.src.rpm
::    hhl-target-sysklogd-1.3.31-mvl3.0.0.3.src.rpm
::    hhl-target-sysutils-1.3.8.1-mvl3.0.0.3.src.rpm
::    hhl-target-sysvinit-2.78-mvl3.0.0.11.src.rpm
::    hhl-target-tar-1.13.19-mvl3.0.0.3.src.rpm
::    hhl-target-textutils-2.0-mvl3.0.0.2.src.rpm
::    hhl-target-util-linux-2.11h-mvl3.0.0.4.src.rpm
::    hhl-target-which-2.12-mvl3.0.0.2.src.rpm
::    hhl-target-xfsprogs-2.2.2-mvl3.0.0.1.src.rpm
::    mips_fp_le-lrzsz-0.12.20-devtool.1.src.rpm
 


The Communication Processor can also talk to the southbridge.
The Communication Processor can also talk to the southbridge.
== CP Revisions ==
<pre>
/*
TCP-510  Rev. 1:  0x10
TCP-510  Rev. 2:  0x11
TCP-520  Rev. 1:  0x20
TCP-520  Rev. 2:  0x21
TCP-520  Rev. 3:  0x22
*/
static int get_cp_revision(void)
{
unsigned int rev = (unsigned int)(*((volatile unsigned long long *) 0xFF1FE000) >> 32);
return (((rev >> 2) & 0x3f) | ((rev >> 4) & 0x40));
}
</pre>
== PS2/PSP/PS3/VITA/PS4 CP ==
<pre>
PS2
DTL-T10000(H) / DTL-T15000 "MPU-401"
x86 PCI SBC (PCI-586VE-S / PCI-815VE)
PSP
DTP-T1000 "MPU-220"
Sony CXD9823 (Toshiba TX4937)
PS3
DECR-1000 "MPU-230"
Sony CXD9802 (Toshiba TX4937)
PSVITA
PDEL-1000 "?"
Renesas µPD77630A (EMMA Mobile1-S)
PS4
DUH-D7000 "?"
Marvell 88R6B2D-AD (Armada SP?)
</pre>
=== VITA CP Documents ===
See --> [https://psdevwiki.com/vita/index.php?title=Communication_Processor Vita Dev Wiki#Communication Processor]
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