Server : LiteSpeed System : Linux us-phx-web1202.main-hosting.eu 4.18.0-553.84.1.lve.el8.x86_64 #1 SMP Tue Nov 25 18:33:03 UTC 2025 x86_64 User : u615232177 ( 615232177) PHP Version : 8.1.33 Disable Function : NONE Directory :  /opt/golang/1.22.0/src/crypto/x509/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build boringcrypto

package x509

import (
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/internal/boring/fipstls"
	"crypto/rsa"
)

// boringAllowCert reports whether c is allowed to be used
// in a certificate chain by the current fipstls enforcement setting.
// It is called for each leaf, intermediate, and root certificate.
func boringAllowCert(c *Certificate) bool {
	if !fipstls.Required() {
		return true
	}

	// The key must be RSA 2048, RSA 3072, RSA 4096,
	// or ECDSA P-256, P-384, P-521.
	switch k := c.PublicKey.(type) {
	default:
		return false
	case *rsa.PublicKey:
		if size := k.N.BitLen(); size != 2048 && size != 3072 && size != 4096 {
			return false
		}
	case *ecdsa.PublicKey:
		if k.Curve != elliptic.P256() && k.Curve != elliptic.P384() && k.Curve != elliptic.P521() {
			return false
		}
	}
	return true
}