[epsodus]

Aknight720, why do you use strange documents?
Aknight720 has decrypted nothing, he has converted the FSC data only in HEX.
Where is the secret?
I believe it understands the use of FSC's not and certainly not from the RSA procedure with MD5.

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Ok, let's start. You have an original FSC code from BMW.
It consists of three files, for example:
Axxxxxx_001B0001.der
Axxxxxx_001B0001.fsc
Axxxxxx_001B0001.xml

Use your Openssl

Openssl x509 -inform DER -in Axxxxxx_001B0001.der -outform PEM -out Axxxxxx_001B0001.pem
Openssl x509 -in Axxxxxx_001B0001.pem -noout -text -fingerprint -sha1 -modulus> Axxxxxx_001B0001.txt

Now consider times further