instance method

OpenSSL::SSL::SSLSocket#peer_sigalg

ssl.peer_sigalg => String or nil

static VALUE
ossl_ssl_get_peer_sigalg(VALUE self)
{
    SSL *ssl;
    const char *name;

    GetSSL(self, ssl);
    if (!SSL_get0_peer_signature_name(ssl, &name))
        return Qnil;
    return rb_str_new_cstr(name);
}

Returns the signature algorithm name, the IANA name of the signature scheme used by the peer to sign the TLS handshake.

See also #peer_finished_message #pending #peer_cert_chain #post_connection_check also in 4.1

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