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Differences From Artifact [65324f8bcd]:

To Artifact [2c09b41ecd]:

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    if (objc > 2 && Tcl_GetBooleanFromObj( interp, objv[2],
	&verbose) != TCL_OK) {
	return TCL_ERROR;
    }
    switch ((enum protocol)index) {
    case TLS_SSL2:
#if defined(NO_SSL2)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(SSLv2_method()); break;
#endif
    case TLS_SSL3:
#if defined(NO_SSL3)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(SSLv3_method()); break;
#endif
    case TLS_TLS1:
#if defined(NO_TLS1)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLSv1_method()); break;
#endif
    case TLS_TLS1_1:
#if defined(NO_TLS1_1)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLSv1_1_method()); break;
#endif
    case TLS_TLS1_2:
#if defined(NO_TLS1_2)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLSv1_2_method()); break;
#endif
    case TLS_TLS1_3:
#if defined(NO_TLS1_3)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLS_method()); break;
		ctx = SSL_CTX_new(TLS_method());
                SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
                SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
		break;
#endif
    default:
		break;
    }
    if (ctx == NULL) {
	Tcl_AppendResult(interp, REASON(), (char *) NULL);
	Tcl_AppendResult(interp, REASON(), NULL);
	return TCL_ERROR;
    }
    ssl = SSL_new(ctx);
    if (ssl == NULL) {
	Tcl_AppendResult(interp, REASON(), (char *) NULL);
	Tcl_AppendResult(interp, REASON(), NULL);
	SSL_CTX_free(ctx);
	return TCL_ERROR;
    }
    objPtr = Tcl_NewListObj( 0, NULL);

    if (!verbose) {
	for (index = 0; ; index++) {
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	OPTBOOL( "-ssl2", ssl2);
	OPTBOOL( "-ssl3", ssl3);
	OPTBOOL( "-tls1", tls1);
	OPTBOOL( "-tls1.1", tls1_1);
	OPTBOOL( "-tls1.2", tls1_2);
	OPTBOOL( "-tls1.3", tls1_3);
  OPTBYTE("-cert", cert, cert_len);
  OPTBYTE("-key", key, key_len);
	OPTBYTE( "-cert", cert, cert_len);
	OPTBYTE( "-key", key, key_len);

	OPTBAD( "option", "-alpn, -cadir, -cafile, -cert, -certfile, -cipher, -command, -dhparams, -key, -keyfile, -model, -password, -require, -request, -server, -servername, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, or tls1.3");

	return TCL_ERROR;
    }
    if (request)	    verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
    if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
    if (verify == 0)	verify = SSL_VERIFY_NONE;
    if (verify == 0)        verify = SSL_VERIFY_NONE;

    proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
    proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
    proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
    proto |= (tls1_1 ? TLS_PROTO_TLS1_1 : 0);
    proto |= (tls1_2 ? TLS_PROTO_TLS1_2 : 0);
    proto |= (tls1_3 ? TLS_PROTO_TLS1_3 : 0);
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	    Tcl_AppendResult(interp, "bad channel \"",
		    Tcl_GetChannelName(chan), "\": not a TLS channel", NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
	ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
    } else {
	if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key,
    cert, key_len, cert_len, CAdir, CAfile, ciphers,
	if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key, cert,
	    key_len, cert_len, CAdir, CAfile, ciphers, DHparams)) == (SSL_CTX*)0) {
    DHparams)) == (SSL_CTX*)0) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;
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	Tcl_AppendResult(interp, "no valid protocol selected", NULL);
	return (SSL_CTX *)0;
    }

    /* create SSL context */
#if defined(NO_SSL2)
    if (ENABLED(proto, TLS_PROTO_SSL2)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "SSL2 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_SSL3)
    if (ENABLED(proto, TLS_PROTO_SSL3)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "SSL3 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_TLS1)
    if (ENABLED(proto, TLS_PROTO_TLS1)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "TLS 1.0 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_TLS1_1)
    if (ENABLED(proto, TLS_PROTO_TLS1_1)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "TLS 1.1 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_TLS1_2)
    if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "TLS 1.2 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_TLS1_3)
    if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif

    switch (proto) {
#if !defined(NO_SSL2)
    case TLS_PROTO_SSL2:
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