<div dir="ltr"><span style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Hi,</span><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">I have seen message_len has checked here:</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><a href="https://github.com/openssl/openssl/blob/master/crypto/ec/curve448/eddsa.c#L164" target="_blank" style="color:rgb(17,85,204)">https://github.com/openssl/ope<wbr>nssl/blob/master/crypto/ec/cur<wbr>ve448/eddsa.c#L164</a><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">(message_len > 0 && !EVP_DigestUpdate(hashctx, message, message_len)<br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">But it has not checked here:</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><a href="https://github.com/openssl/openssl/blob/master/crypto/ec/curve448/eddsa.c#L275" target="_blank" style="color:rgb(17,85,204)">https://github.com/openssl/ope<wbr>nssl/blob/master/crypto/ec/cur<wbr>ve448/eddsa.c#L275</a><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">!EVP_DigestUpdate(hashctx, message, message_len)<br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Is there anything missing?</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Thanks!</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Mansour</div><br></div>