rms please read the X9.62 standard. <b>Note</b> Due to patent issues the <b>compressed</b> option is disabled by default for binary curves and can be enabled by defining the preprocessor macro <b>OPENSSL_EC_BIN_PT_COMP</b> at compile time.</p>

</dd>
<dt id="ec_param_enc-arg"><b>-ec_param_enc</b> <i>arg</i></dt>
<dd>

<p>This option only applies to elliptic curve based public and private keys.</p>

<p>This specifies how the elliptic curve parameters are encoded. Possible value are: <b>named_curve</b>, i.e. 