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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>How can I set a GROUP to an existing EC type EVP_PKEY in OpenSSL 3?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>In 1.0.2 I was using this code having the EC_KEY:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>EC_KEY_set_group(eckey, EC_GROUP_new_by_curve_name(nid));<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>In OpenSSL 3 still EC_GROUP_new_by_curve_name(nid) can be used, but I don’t know how to go from that to set it on the existing key.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Cascadia Mono";color:black'>Martin<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>