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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I`d like to understand how a memory bio can be reseted with the internal read counter back to zero for further reusage.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>e.g. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I want to try to read first der and then pem<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><a href="https://www.openssl.org/docs/man1.1.1/man3/d2i_X509.html"><span style='font-size:14.0pt;font-family:"Georgia",serif;color:#0181EB;border:none windowtext 1.0pt;padding:0cm;background:#F8F8F8'>d2i_X509</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>and then:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="https://www.openssl.org/docs/man1.1.1/man3/PEM_read_X509.html"><span style='font-size:14.0pt;font-family:"Georgia",serif;color:#0181EB;border:none windowtext 1.0pt;padding:0cm;background:#D9F0FF'>PEM_read_X509</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>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.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I already tried with BIO_seek, BIO_tell (returns 0?!), BIO_reset.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>