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yham, posted Tue Nov 30, 2021 1:50 am (67762)

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I searched for these file formats but didn't get anything, so I need help.
This format is used in some KONAMI games.
The RDI that contains the RDB index seems to be compressed or encrypted.
Is it compressed because the first 8 bytes were the same...?

Samples:
https://mega.nz/file/xs0w1ZqZ#uMVALBtVezK1qflw0fMdi5s67zMkVvxdMu7_q_9yDjw

aluigi, posted Wed Dec 01, 2021 1:34 pm (67780)

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I guess they are obfuscated in some way because, as you noticed, many bytes are the same in the two RDI samples.
No idea about what may be the algorithm.

Ekey, posted Wed Dec 01, 2021 8:35 pm (67786)

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And of course no information about the app name

yham, posted Fri Dec 03, 2021 8:29 am (67816)

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aluigi wrote:

I guess they are obfuscated in some way because, as you noticed, many bytes are the same in the two RDI samples.
No idea about what may be the algorithm.

Ekey wrote:

And of course no information about the app name

Thanks for the reply.
Is there a solution for this situation?
Should I give up on these encrypted files?

aluigi, posted Fri Dec 03, 2021 9:53 am (67817)

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At least tell us the name of these games, in case someone would like to check them.

yham, posted Sun Dec 05, 2021 11:48 am (67946)

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aluigi wrote:

At least tell us the name of these games, in case someone would like to check them.

Sorry I'm late. These are the titles.
Jikkyou Powerful Pro Yakyuu
Power Pro Kun Pocket R

Many other KONAMI titles use these formats. Momotaro Dentetsu, Pro Yakyu Spirits etc.