using EVP_PKEY_CTX_set_params(). This may be called after EVP_PKEY_sign_init() or EVP_PKEY_verify_init(), and before calling EVP_PKEY_sign() or EVP_PKEY_verify().</p>

<dl>

<dt id="digest-OSSL_SIGNATURE_PARAM_DIGEST-UTF8-string">&quot;digest&quot; (<b>OSSL_SIGNATURE_PARAM_DIGEST</b>) &lt;UTF8 string&gt;</dt>
<dd>

</dd>
<dt id="properties-OSSL_SIGNATURE_PARAM_PROPERTIES-UTF8-string">&quot;properties&quot; (<b>OSSL_SIGNATURE_PARAM_PROPERTIES</b>) &lt;UTF8 string&gt;</dt>
<dd>

</dd>
<dt id="nonce-type-OSSL_