Sorry for double-posting, but actually found this definition...
Binding Keys
Binding keys are keys that are meant to be used to store symmetric keys. They 
can be used to store a single symmetric key or to store many symmetric keys. 
The point is that a binding key is meant to do basic RSA encryption and as 
such, it doesn’t make sense to encrypt anything other than a symmetric key.


So all i wrote previous i will use for binding the symmetric key which i will 
generate with openssl. And to be sure of this, after the binding, i can just 
write the blob into a file,write the generated key into a file, pass them to 
another tpm, load the key, unbind the blob, decrypt the encrypted text, and i 
get the plaintext right?


Besides this part of doing an encryption, i also need to a signing and a data 
hashing. Can I use the DAA implementation if i am using a tpm simulator?Or 
should i stick to the Tspi_Hash_Sign function?

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