arif/xcat-core
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-First pass at decrypting data, seems accurate but isn't getting the full data yet

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5079 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
2010-01-29 04:40:10 +00:00
parent 3c164dd1cf
commit fd442e74ae
1 changed files with 22 additions and 9 deletions
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31
xCAT-server/lib/perl/xCAT/IPMI.pm
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@@ -408,11 +408,28 @@ sub handle_ipmi_packet {
return 3;
}
}
if ($encrypted) {
#TODO: encryption
}
my $psize = $rsp[10]+($rsp[11]<<8);
my @payload = splice(@rsp,12,$psize);
if ($encrypted) {
my $iv = pack("C*",splice @payload,0,16);
print scalar @payload;
print "\n";
hexdump(@payload);
my $cipher = Crypt::CBC->new(-literal_key => 1,-key=>$self->{aeskey},-cipher=>"Rijndael",-header=>"none",-iv=>$iv,-keysize=>16);
$cipher->start("decrypting");
my $clearpay = $cipher->decrypt(pack("C*",@payload));
$cipher->finish();
print "\n";
print $cipher->decrypt_hex(pack("C*",@payload));
print "\n";
@payload = unpack("C*",$clearpay);
print scalar @payload; #Why am I coming up short....
print "\n";
hexdump(@payload);
#TODO: encryption
}
hexdump(@payload);
$self->parse_ipmi_payload(@payload);
}
}
@@ -607,21 +624,19 @@ sub sendpayload {
} elsif ($self->{'ipmiversion'} eq '2.0') {
#TODO:
my $size = scalar(@payload);
#push conf header
if ($self->{confalgo}) {
my $pad = ($size+1)%16;
if ($pad) { $pad = 16-$pad; }
my $newsize =$size+$pad+17;
print $newsize;
push @msg,($newsize&0xff,$newsize>>8);
my @iv;
foreach (1..16) {
foreach (1..16) { #generate a new iv for outbound packet
my $num = int(rand(255));
push @msg,$num;
push @iv, $num;
}
foreach (1..$pad) {
push @payload,$_;#int(rand(255)); #random padding
push @payload,$_;#padding must be increasing numerical values
}
push @payload,$pad;
my $cipher = Crypt::CBC->new(-literal_key => 1,-key=>$self->{aeskey},-cipher=>"Rijndael",-header=>"none",-iv=>pack("C*",@iv),-keysize=>16);
@@ -630,12 +645,10 @@ sub sendpayload {
my $ciphertext = $cipher->crypt(pack("C*",@payload));
hexdump(unpack("C*",$ciphertext));
push @msg,unpack("C*",$ciphertext);
hexdump(@msg);
} else {
push @msg,($size&0xff,$size>>8);
push @msg,@payload;
}
#push conf trailer (or had to do it before...
if ($self->{integrityalgo}) {
my @integdata = @msg[4..(scalar @msg)-1];
my $neededpad=((scalar @integdata)+2)%4;