// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package pkix contains shared, low level structures used for ASN.1 parsing
// and serialization of X.509 certificates, CRL and OCSP.
package pkix

import (
	"encoding/asn1"
	"encoding/hex"
	"fmt"
	"math/big"
	"time"
)

// AlgorithmIdentifier represents the ASN.1 structure of the same name. See RFC
// 5280, section 4.1.1.2.

	UsageIPsecTunnel       KeyUsage = "ipsec tunnel"
	UsageIPsecUser         KeyUsage = "ipsec user"
	UsageTimestamping      KeyUsage = "timestamping"
	UsageOCSPSigning       KeyUsage = "ocsp signing"
	UsageMicrosoftSGC      KeyUsage = "microsoft sgc"
	UsageNetscapeSGC       KeyUsage = "netscape sgc"
)

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

	"username":          "username contains the name of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",

  //  "server auth", "client auth",
  //  "code signing", "email protection", "s/mime",
  //  "ipsec end system", "ipsec tunnel", "ipsec user",
  //  "timestamping", "ocsp signing", "microsoft sgc", "netscape sgc"
  // +listType=atomic
  repeated string usages = 5;

  // username contains the name of the user that created the CertificateSigningRequest.

			echOuterExts = append(echOuterExts, extensionStatusRequest)
		} else {
			exts.AddUint16(extensionStatusRequest)
			exts.AddUint16LengthPrefixed(func(exts *cryptobyte.Builder) {
				exts.AddUint8(1)  // status_type = ocsp
				exts.AddUint16(0) // empty responder_id_list
				exts.AddUint16(0) // empty request_extensions
			})
		}
	}
	if len(m.supportedCurves) > 0 {
		// RFC 4492, sections 5.1.1 and RFC 8446, Section 4.2.7

  //  "server auth", "client auth",
  //  "code signing", "email protection", "s/mime",
  //  "ipsec end system", "ipsec tunnel", "ipsec user",
  //  "timestamping", "ocsp signing", "microsoft sgc", "netscape sgc"
  // +listType=atomic
  repeated string usages = 5;

  // username contains the name of the user that created the CertificateSigningRequest.

					}
					if len(c.VerifiedChains) == 0 {
						return fmt.Errorf("client: got len(VerifiedChains) = 0, wanted non-zero")
					}
					if c.DidResume {
						return nil
						// The SCTs and OCSP Response are dropped on resumption.
						// See http://golang.org/issue/39075.
					}
					if len(c.OCSPResponse) == 0 {
						return fmt.Errorf("client: got len(OCSPResponse) = 0, wanted non-zero")
					}

	}

	if err = crl.CheckSignatureFrom(cert); err != nil {
		t.Errorf("unexpected error: %s", err)
	}

	// This is an unrelated OCSP response, which will fail signature verification
	// but shouldn't return an InsecureAlgorithmError, since SHA1 should be allowed
	// for OCSP.

				"application/mxf",
				"application/nasdata",
				"application/news-checkgroups",
				"application/news-groupinfo",
				"application/news-transmission",
				"application/nss",
				"application/ocsp-request",
				"application/ocsp-response",
				"application/octet-stream",
				"application/oda",
				"application/oebps-package+xml",
				"application/ogg",
				"application/kate",
				"application/onenote",

	didHRR           bool // whether a HelloRetryRequest was sent/received
	cipherSuite      uint16
	curveID          CurveID
	ocspResponse     []byte   // stapled OCSP response
	scts             [][]byte // signed certificate timestamps from server
	peerCertificates []*x509.Certificate
	// activeCertHandles contains the cache handles to certificates in