BIO in memory usage....

[Tobias Wolf]

I`d like to understand how a memory bio can be reseted with the internal
read counter back to zero for further reusage.



e.g.

I want to try to read first der and then pem



 <https://www.openssl.org/docs/man1.1.1/man3/d2i_X509.html> d2i_X509



and then:



 <https://www.openssl.org/docs/man1.1.1/man3/PEM_read_X509.html>
PEM_read_X509



Then the second call will fail because the bio has already read some bytes,
when I call each function with a newly created bio it is working fine.

I already tried with BIO_seek, BIO_tell (returns 0?!), BIO_reset.



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