package cryptobyte

import (
	encoding_asn1 "encoding/asn1"
	"fmt"
	"math/big"
	"reflect"
	"time"

	"golang.org/x/crypto/cryptobyte/asn1"
)

// This file contains ASN.1-related methods for String and Builder.

// Builder

// AddASN1Int64 appends a DER-encoded ASN.1 INTEGER.
func (b *Builder) AddASN1Int64(v int64) {
	b.addASN1Signed(asn1.INTEGER, v)
}

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

// Package asn1 contains supporting types for parsing and building ASN.1
// messages with the cryptobyte package.
package asn1 // import "golang.org/x/crypto/cryptobyte/asn1"

// Tag represents an ASN.1 identifier octet, consisting of a tag number
// (indicating a type) and class (such as context-specific or constructed).
//

// license that can be found in the LICENSE file.

// Package asn1 implements parsing of DER-encoded ASN.1 data structures,
// as defined in ITU-T Rec X.690.
//
// See also “A Layman's Guide to a Subset of ASN.1, BER, and DER,”
// http://luca.ntop.org/Teaching/Appunti/asn1.html.
package asn1

// ASN.1 is a syntax for specifying abstract objects and BER, DER, PER, XER etc

	PrivateKey    []byte
	NamedCurveOID asn1.ObjectIdentifier `asn1:"optional,explicit,tag:0"`
	PublicKey     asn1.BitString        `asn1:"optional,explicit,tag:1"`
}

// ParseECPrivateKey parses an EC private key in SEC 1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "EC PRIVATE KEY".
func ParseECPrivateKey(der []byte) (*ecdsa.PrivateKey, error) {
	return parseECPrivateKey(nil, der)
}

		{oid: mustNewOIDFromInts(t, []uint64{1, 33, 23}), oid2: asn1.ObjectIdentifier{1, 33, 22}, eq: false},
		{oid: mustNewOIDFromInts(t, []uint64{1, 33, 127}), oid2: asn1.ObjectIdentifier{1, 33, 127}, eq: true},
		{oid: mustNewOIDFromInts(t, []uint64{1, 33, 128}), oid2: asn1.ObjectIdentifier{1, 33, 127}, eq: false},

//
// This kind of key is commonly encoded in PEM blocks of type "RSA PRIVATE KEY".
func ParsePKCS1PrivateKey(der []byte) (*rsa.PrivateKey, error) {
	var priv pkcs1PrivateKey
	rest, err := asn1.Unmarshal(der, &priv)
	if len(rest) > 0 {
		return nil, asn1.SyntaxError{Msg: "trailing data"}
	}
	if err != nil {
		if _, err := asn1.Unmarshal(der, &ecPrivateKey{}); err == nil {

)

// RFC 5280, 4.2.2.1
type authorityInfoAccess struct {
	Method   asn1.ObjectIdentifier
	Location asn1.RawValue
}

// RFC 5280, 4.2.1.14
type distributionPoint struct {
	DistributionPoint distributionPointName `asn1:"optional,tag:0"`
	Reason            asn1.BitString        `asn1:"optional,tag:1"`
	CRLIssuer         asn1.RawValue         `asn1:"optional,tag:2"`
}

type distributionPointName struct {

type TBSCertificateList struct {
	Raw                 asn1.RawContent
	Version             int `asn1:"optional,default:0"`
	Signature           AlgorithmIdentifier
	Issuer              RDNSequence
	ThisUpdate          time.Time
	NextUpdate          time.Time            `asn1:"optional"`
	RevokedCertificates []RevokedCertificate `asn1:"optional"`
	Extensions          []Extension          `asn1:"tag:0,optional,explicit"`
}

		if _, err := asn1.Unmarshal(der, &ecPrivateKey{}); err == nil {
			return nil, errors.New("x509: failed to parse private key (use ParseECPrivateKey instead for this key format)")
		}
		if _, err := asn1.Unmarshal(der, &pkcs1PrivateKey{}); err == nil {
			return nil, errors.New("x509: failed to parse private key (use ParsePKCS1PrivateKey instead for this key format)")
		}
		return nil, err
	}
	switch {

	rawValues := []asn1.RawValue{}
	for _, i := range identites {
		tag, ok := oidTagMap[i.Type]
		if !ok {
			return nil, fmt.Errorf("unsupported identity type: %v", i.Type)
		}

		rawValues = append(rawValues, asn1.RawValue{
			Bytes: i.Value,
			Class: asn1.ClassContextSpecific,
			Tag:   tag,
		})
	}

	bs, err := asn1.Marshal(rawValues)
	if err != nil {