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instance method

OpenSSL::SSL::SSLSocket#sigalg

ssl.sigalg => String or nil

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

    GetSSL(self, ssl);
    if (!SSL_get0_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 local to sign the TLS handshake.

See also #session_reused? #ssl_accept #session_new_cb #ssl_connect also in 4.0

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