void decode(Byte[] rawData) {
Asn1Reader asn = new Asn1Reader(rawData);
asn.MoveNext();
ContentType = new Asn1ObjectIdentifier(asn.GetTagRawData()).Value;
asn.MoveNextAndExpectTags(0xa0); // [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL, 0xa0
asn.MoveNextAndExpectTags(0x30); // SEQUENCE OF ANY
asn.MoveNextAndExpectTags((Byte)Asn1Type.INTEGER); // version
Version = (Int32)new Asn1Integer(asn.GetTagRawData()).Value;
asn.MoveNextCurrentLevelAndExpectTags(0x31);
decodeDigestAlgorithms(asn);
asn.MoveNextCurrentLevelAndExpectTags(0x30); // ContentInfo
Byte[] content = extractContent(asn);
while (asn.MoveNextCurrentLevel()) {
switch (asn.Tag) {
case 0xa0:
decodeCertificates(asn);
break;
case 0xa1:
decodeCrls(asn);
break;
case 0x31:
decodeSignerInfos(asn);
break;
default:
throw new ArgumentException("Invalid type.");
}
}
RawData = rawData;
DecodeContent(content);
}
public static X500RdnAttribute[] GetRdnAttributes(this X500DistinguishedName name)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.RawData == null || name.RawData.Length == 0)
{
return(null);
}
Asn1Reader asn = new Asn1Reader(name.RawData);
if (!asn.MoveNext())
{
return(null);
}
if (asn.NextCurrentLevelOffset == 0)
{
return(null);
}
var retValue = new List <X500RdnAttribute>();
do
{
Asn1Reader asn2 = new Asn1Reader(asn.GetPayload());
asn2.MoveNext();
Oid oid = Asn1Utils.DecodeObjectIdentifier(asn2.GetTagRawData());
asn2.MoveNext();
String value = Asn1Utils.DecodeAnyString(asn2.GetTagRawData(), null);
retValue.Add(new X500RdnAttribute(oid, value));
} while (asn.MoveNextCurrentLevel());
return(retValue.ToArray());
}
void decodeCms(Asn1Reader asn)
{
asn.MoveNextAndExpectTags(48, (Byte)Asn1Type.OBJECT_IDENTIFIER);
if (asn.Tag == 48)
{
Status = new TspStatusInfo(asn.GetTagRawData());
if (Status.ResponseStatus != TspResponseStatus.Granted && Status.ResponseStatus != TspResponseStatus.GrantedWithModifications)
{
return;
}
asn.MoveNextCurrentLevelAndExpectTags(48);
}
else
{
asn.MoveToPosition(0);
}
signedCms = new DefaultSignedPkcs7(asn.GetTagRawData());
ResponseType = signedCms.ContentType;
switch (ResponseType.Value)
{
// TimeStamp Token
case "1.2.840.113549.1.9.16.1.4":
decodeTstInfo(new Asn1Reader(signedCms.Content));
break;
// PKCS 7 DATA
case "1.2.840.113549.1.7.1":
break;
}
getSigningTime();
_rawData.AddRange(asn.GetRawData());
validate();
}
void decode(Asn1Reader asn)
{
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
RawData = asn.GetTagRawData();
Int32 offset = asn.Offset;
asn.MoveNext();
SerialNumber = Asn1Utils.DecodeInteger(asn.GetTagRawData(), true);
asn.MoveNextAndExpectTags(Asn1Type.UTCTime, Asn1Type.GeneralizedTime);
switch (asn.Tag)
{
case (Byte)Asn1Type.UTCTime:
RevocationDate = new Asn1UtcTime(asn.GetTagRawData()).Value;
break;
case (Byte)Asn1Type.GeneralizedTime:
RevocationDate = Asn1Utils.DecodeGeneralizedTime(asn.GetTagRawData());
break;
}
if (asn.MoveNextSibling())
{
// use high-performant extension decoder instead of generic one.
// Since CRLs may store a hundreds of thousands entries, this is
// pretty reasonable to save loops whenever possible.
readCrlReasonCode(asn);
}
asn.Seek(offset);
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNextAndExpectTags((Byte)Asn1Type.OBJECT_IDENTIFIER);
Oid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
asn.MoveNext();
Asn1Type[] types =
{
Asn1Type.IA5String,
Asn1Type.PrintableString,
Asn1Type.VisibleString,
Asn1Type.UTF8String,
Asn1Type.UniversalString,
Asn1Type.BMPString,
Asn1Type.TeletexString
};
encodingTag = (Asn1Type)asn.Tag;
Value = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), types);
RawData = rawData;
}
void decode(Asn1Reader asn)
{
asn.MoveNextAndExpectTags((Byte)Asn1Type.INTEGER);
Version = (Int32) new Asn1Integer(asn).Value;
asn.MoveNextAndExpectTags(48);
RequestMessage = new TspMessageImprint(asn.GetTagRawData());
while (asn.MoveNextCurrentLevel())
{
switch (asn.Tag)
{
case (Byte)Asn1Type.OBJECT_IDENTIFIER:
PolicyID = new Asn1ObjectIdentifier(asn).Value;
break;
case (Byte)Asn1Type.INTEGER:
UseNonce = true;
nonce = new Asn1Integer(asn).Value.ToByteArray();
break;
case (Byte)Asn1Type.BOOLEAN:
RequestCertificates = new Asn1Boolean(asn).Value;
break;
case 0xa0:
var extList = new X509ExtensionCollection();
extList.Decode(asn.GetTagRawData());
foreach (X509Extension extension in extList)
{
_extensions.Add(extension);
}
break;
}
}
}
void m_decode(Byte[] rawData)
{
CrossCertDistributionPoints = new X509AlternativeNameCollection();
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new ArgumentException("The data is invalid");
}
asn.MoveNext();
if (asn.Tag == (Byte)Asn1Type.INTEGER)
{
DeltaSyncTimeInSeconds = (Int32)Asn1Utils.DecodeInteger(asn.GetTagRawData());
asn.MoveNext();
}
asn.MoveNext();
do
{
var altNames = new X509AlternativeNameCollection();
altNames.Decode(asn.GetTagRawData());
CrossCertDistributionPoints.AddRange(altNames);
} while (asn.MoveNextCurrentLevel());
CrossCertDistributionPoints.Close();
}
void m_initialize(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
SerialNumber = Asn1Utils.DecodeInteger(asn.GetTagRawData(), true);
asn.MoveNext();
if (asn.Tag != (Byte)Asn1Type.UTCTime && asn.Tag != (Byte)Asn1Type.GeneralizedTime)
{
throw new Asn1InvalidTagException(asn.Offset);
}
if (asn.Tag == (Byte)Asn1Type.UTCTime)
{
RevocationDate = new Asn1UtcTime(asn.GetTagRawData()).Value;
}
if (asn.Tag == (Byte)Asn1Type.GeneralizedTime)
{
RevocationDate = Asn1Utils.DecodeGeneralizedTime(asn.GetTagRawData());
}
if (asn.MoveNext())
{
var extensions = new X509ExtensionCollection();
extensions.Decode(asn.GetTagRawData());
X509Extension crlReason = extensions[X509CertExtensions.X509CRLReasonCode];
if (crlReason != null)
{
ReasonCode = crlReason.RawData[2];
}
}
RawData = rawData;
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
if (!asn.MoveNext())
{
throw new Asn1InvalidTagException(asn.Offset);
}
if (asn.Tag != (Byte)Asn1Type.OBJECT_IDENTIFIER)
{
throw new Asn1InvalidTagException(asn.Offset);
}
AlgorithmId = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
//Oid2 oid2 = new Oid2(oid.Value, OidGroupEnum.SignatureAlgorithm, false);
//AlgorithmId = String.IsNullOrEmpty(oid2.Value)
// ? oid
// : new Oid(oid2.Value, oid2.FriendlyName);
Parameters = asn.MoveNext() ? asn.GetTagRawData() : Asn1Utils.EncodeNull();
RawData = rawData;
}
void m_decode(Byte[] asnData)
{
Asn1Reader asn = new Asn1Reader(asnData);
asn.MoveNext();
IssuerDomainOid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
asn.MoveNext();
SubjectDomainOid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new ArgumentException("The data is invalid.");
}
asn.MoveNext();
Oid oid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
switch (oid.Value)
{
case "1.3.6.1.5.5.7.2.1":
Type = X509PolicyQualifierType.CpsUrl;
asn.MoveNext();
PolicyUrl = new Uri(Asn1Utils.DecodeIA5String(asn.GetTagRawData()).Replace("\0", null));
break;
case "1.3.6.1.5.5.7.2.2":
Type = X509PolicyQualifierType.UserNotice;
if (!asn.MoveNext())
{
return;
}
if (asn.Tag != 48)
{
throw new ArgumentException("The data is invalid.");
}
asn.MoveNext();
if (asn.Tag == 48)
{
Asn1Reader asn2 = new Asn1Reader(asn.GetTagRawData());
asn2.MoveNext();
NoticeReference = Asn1Utils.DecodeAnyString(asn2.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
asn2.MoveNext();
asn2.MoveNext();
NoticeNumber = (Int32)Asn1Utils.DecodeInteger(asn2.GetTagRawData());
if (asn.MoveNextCurrentLevel())
{
NoticeText = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
}
}
else
{
NoticeText = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
}
break;
default: m_reset(); return;
}
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNextAndExpectTags((Byte)Asn1Type.OBJECT_IDENTIFIER);
AlgorithmId = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
Parameters = asn.MoveNext() ? asn.GetTagRawData() : null;
RawData = rawData;
}
void m_initialize(Asn1Reader response)
{
response.MoveNext();
CertId = new CertID(Asn1Utils.Encode(response.GetPayload(), 48));
response.MoveNextCurrentLevel();
switch (response.Tag)
{
case 128:
CertStatus = CertificateStatus.Good;
response.MoveNextCurrentLevel();
break;
case 161:
CertStatus = CertificateStatus.Revoked;
response.MoveNext();
DateTime revokedWhen = Asn1Utils.DecodeGeneralizedTime(response.GetTagRawData());
response.MoveNext();
Int16 reason = 0;
if (response.Tag == 160)
{
response.MoveNext();
reason = response.GetPayload()[0];
response.MoveNext();
}
RevocationInfo = new X509CRLEntry(CertId.SerialNumber, revokedWhen, reason);
break;
case 130:
CertStatus = CertificateStatus.Unknown;
response.MoveNextCurrentLevel();
break;
}
//response.MoveNextCurrentLevel();
ThisUpdate = Asn1Utils.DecodeGeneralizedTime(response.GetTagRawData());
while (response.MoveNextCurrentLevel())
{
switch (response.Tag)
{
case 160:
Asn1Reader asn = new Asn1Reader(response.GetPayload());
NextUpdate = Asn1Utils.DecodeGeneralizedTime(asn.GetTagRawData());
break;
case 161:
Extensions.Decode(response.GetPayload());
break;
}
}
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
asn.MoveNext();
do
{
switch (asn.Tag)
{
case 0xa0: PermittedSubtree = decodeNamesFromAsn(asn.GetTagRawData()); break;
case 0xa1: ExcludedSubtree = decodeNamesFromAsn(asn.GetTagRawData()); break;
}
} while (asn.MoveNextCurrentLevel());
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNextAndExpectTags(0x30);
ToBeSignedData = asn.GetTagRawData();
asn.MoveNextCurrentLevelAndExpectTags(0x30);
SignatureAlgorithm = new AlgorithmIdentifier(asn.GetTagRawData());
asn.MoveNextCurrentLevelAndExpectTags((Byte)Asn1Type.BIT_STRING);
Signature = new Asn1BitString(asn);
}
/// <summary>
///
/// </summary>
/// <param name="rawData"></param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="InvalidDataException"></exception>
public static X509ExtensionCollection DecodeX509Extensions(Byte[] rawData)
{
if (rawData == null)
{
throw new ArgumentNullException("rawData");
}
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new InvalidDataException();
}
X509ExtensionCollection exts = new X509ExtensionCollection();
if (!asn.MoveNext())
{
throw new Asn1InvalidTagException();
}
if (asn.NextOffset == 0)
{
return(exts);
}
do
{
exts.Add(DecodeX509Extension(asn.GetTagRawData()));
} while (asn.MoveNextCurrentLevel());
return(exts);
}
void decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNextAndExpectTags((Byte)Asn1Type.OBJECT_IDENTIFIER);
algId = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
if (asn.MoveNext())
{
param = asn.GetTagRawData();
}
_rawData.AddRange(rawData);
}
void m_decode(Byte[] rawData)
{
var aiaUrls = new List <String>();
var ocspUrls = new List <String>();
var asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
do
{
Int32 offset = asn.Offset;
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
String oidString = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData()).Value;
asn.MoveNextAndExpectTags(0x86);
switch (oidString)
{
case "1.3.6.1.5.5.7.48.2": aiaUrls.Add(Encoding.ASCII.GetString(asn.GetPayload())); break;
case "1.3.6.1.5.5.7.48.1": ocspUrls.Add(Encoding.ASCII.GetString(asn.GetPayload())); break;
}
asn.MoveToPosition(offset);
} while (asn.MoveNextCurrentLevel());
CertificationAuthorityIssuer = aiaUrls.ToArray();
OnlineCertificateStatusProtocol = ocspUrls.ToArray();
}
/// <summary>
/// Decodes ASN.1-encoded byte array that represents a collection of <see cref="X509Extension"/> objects.
/// </summary>
/// <param name="extensions">Destination collection where decoded extensions will be added.</param>
/// <param name="rawData">ASN.1-encoded byte array that represents extension collection.</param>
/// <exception cref="Asn1InvalidTagException">Decoder encountered an unexpected ASN.1 type identifier.</exception>
/// <exception cref="ArgumentNullException">
/// <strong>extensions</strong> and/or <strong>rawData</strong> parameter is null.
/// </exception>
/// <remarks>If current collection contains items, decoded items will be appended to existing items.</remarks>
public static void Decode(this X509ExtensionCollection extensions, Byte[] rawData)
{
if (extensions == null)
{
throw new ArgumentNullException(nameof(extensions));
}
if (rawData == null)
{
throw new ArgumentNullException(nameof(rawData));
}
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException();
}
if (!asn.MoveNext() || asn.NextOffset == 0)
{
return;
}
do
{
extensions.Add(X509ExtensionExtensions.Decode(asn.GetTagRawData()));
} while (asn.MoveNextCurrentLevel());
}
// decoders
void decodeOtherName() {
try {
Asn1Reader asn = new Asn1Reader(rawData);
if (!asn.MoveNext()) { throw new ArgumentException("Input data is not valid OtherName."); }
Oid oid = new Oid(Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData()));
asn.MoveNextAndExpectTags(0xa0);
asn.MoveNext();
OID = oid;
switch (oid.Value) {
// UPN
case "1.3.6.1.4.1.311.20.2.3":
Type = X509AlternativeNamesEnum.UserPrincipalName;
if (asn.PayloadLength == 0) { return; }
Value = Encoding.UTF8.GetString(asn.GetPayload()); break;
// GUID
case "1.3.6.1.4.1.311.25.1":
if (asn.PayloadLength == 0) { return; }
Guid guid = new Guid(asn.GetPayload());
Type = X509AlternativeNamesEnum.Guid;
Value = guid.ToString();
break;
default:
Value = String.Empty;
Type = X509AlternativeNamesEnum.OtherName;
foreach (Byte B in asn.GetPayload()) {
Value += $"{B:x2}" + " ";
}
Value = Value.Trim();
break;
}
} catch { throw new ArgumentException("Input data is not valid OtherName."); }
}
void decode(Asn1Reader asn)
{
asn.MoveNextAndExpectTags(48);
AlgorithmIdentifier = new AlgorithmIdentifier(asn.GetTagRawData());
asn.MoveNextCurrentLevelAndExpectTags((Byte)Asn1Type.OCTET_STRING);
_msgHash.AddRange(new Asn1OctetString(asn).Value);
}
void m_decode(Byte[] rawData)
{
List <String> aiaUrls = new List <String>();
List <String> ocspUrls = new List <String>();
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new ArgumentException("The data is invalid");
}
asn.MoveNext();
do
{
Asn1Reader asnurl = new Asn1Reader(asn.GetTagRawData());
if (asnurl.Tag != 48)
{
throw new ArgumentException("The data is invalid");
}
asnurl.MoveNext();
String oidString = Asn1Utils.DecodeObjectIdentifier(asnurl.GetTagRawData()).Value;
asnurl.MoveNext();
if (asnurl.Tag != 134)
{
throw new ArgumentException("The data is invalid");
}
switch (oidString)
{
case "1.3.6.1.5.5.7.48.2": aiaUrls.Add(Encoding.ASCII.GetString(asnurl.GetPayload())); break;
case "1.3.6.1.5.5.7.48.1": ocspUrls.Add(Encoding.ASCII.GetString(asnurl.GetPayload())); break;
}
} while (asn.MoveNextCurrentLevel());
CertificationAuthorityIssuer = aiaUrls.ToArray();
OnlineCertificateStatusProtocol = ocspUrls.ToArray();
}
void decodeValidity(Asn1Reader asn)
{
ThisUpdate = Asn1Utils.DecodeDateTime(asn.GetTagRawData());
Int32 offset = asn.Offset;
asn.MoveNext();
if (asn.Tag == (Byte)Asn1Type.UTCTime || asn.Tag == (Byte)Asn1Type.GeneralizedTime)
{
NextUpdate = Asn1Utils.DecodeDateTime(asn.GetTagRawData());
}
else
{
asn.MoveToPosition(offset);
}
//asn.MoveToPosition(offset);
}
void getAttributes(Asn1Reader asn)
{
asn.MoveNext();
if (asn.PayloadLength == 0)
{
return;
}
do
{
X509Attribute attribute = X509Attribute.Decode(asn.GetTagRawData());
if (attribute.Oid.Value == X509ExtensionOid.CertificateExtensions)
{
//Extensions
var extensions = new X509ExtensionCollection();
extensions.Decode(attribute.RawData);
foreach (X509Extension extension in extensions)
{
_extensions.Add(extension);
}
}
else
{
_attributes.Add(attribute);
}
} while (asn.MoveNextCurrentLevel());
}
void m_decode(Byte[] raw)
{
PolicyQualifiers = new X509PolicyQualifierCollection();
Asn1Reader asn = new Asn1Reader(raw);
if (asn.Tag != 48)
{
throw new InvalidDataException("The data is invalid.");
}
asn.MoveNext();
PolicyOid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
if (asn.MoveNext())
{
PolicyQualifiers.Decode(asn.GetTagRawData());
}
}
/// <summary>
/// Initializes <strong>UniversalTagBase</strong> object from an existing <see cref="Asn1Reader"/> object.
/// </summary>
/// <param name="asn">Existing <see cref="Asn1Reader"/> object.</param>
protected void Initialize(Asn1Reader asn)
{
Tag = asn.Tag;
TagName = asn.TagName;
IsContainer = asn.IsConstructed;
RawData = asn.GetTagRawData();
}
public static X509Extension DecodeX509Extension(Byte[] rawData)
{
if (rawData == null)
{
throw new ArgumentNullException(nameof(rawData));
}
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
if (asn.Tag != (Byte)Asn1Type.OBJECT_IDENTIFIER)
{
throw new Asn1InvalidTagException(asn.Offset);
}
Oid oid = new Asn1ObjectIdentifier(asn).Value;
Boolean critical = false;
asn.MoveNext();
if (asn.Tag == (Byte)Asn1Type.BOOLEAN)
{
critical = Asn1Utils.DecodeBoolean(asn.GetTagRawData());
asn.MoveNext();
}
if (asn.Tag != (Byte)Asn1Type.OCTET_STRING)
{
throw new Asn1InvalidTagException(asn.Offset);
}
return(new X509Extension(oid, asn.GetPayload(), critical).ConvertExtension());
}
/// <summary>
/// Decodes ASN.1-encoded byte array to an instance of <see cref="X509Extension"/> class.
/// </summary>
/// <param name="asn">ASN.1 reader that points to the beginning of the X.509 extension structure.</param>
/// <exception cref="ArgumentNullException"><strong>asn</strong> parameter is null.</exception>
/// <exception cref="Asn1InvalidTagException">Decoder encountered an unexpected ASN.1 type identifier.</exception>
/// <returns>Decoded extension object.</returns>
public static X509Extension Decode(Asn1Reader asn)
{
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
Int32 offset = asn.Offset;
asn.MoveNextAndExpectTags((Byte)Asn1Type.OBJECT_IDENTIFIER);
Oid oid = new Asn1ObjectIdentifier(asn).Value;
Boolean critical = false;
asn.MoveNextAndExpectTags((Byte)Asn1Type.BOOLEAN, (Byte)Asn1Type.OCTET_STRING);
if (asn.Tag == (Byte)Asn1Type.BOOLEAN)
{
critical = Asn1Utils.DecodeBoolean(asn.GetTagRawData());
asn.MoveNextAndExpectTags((Byte)Asn1Type.OCTET_STRING);
}
// at this point ASN points to OCTET_STRING
X509Extension retValue = new X509Extension(oid, asn.GetPayload(), critical).ConvertExtension();
asn.Seek(offset);
return(retValue);
}
void decodeResponse()
{
asn = new Asn1Reader(RawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException("Response data is not valid ASN.1 encoded data.");
}
//response status
asn.MoveNextAndExpectTags((Byte)Asn1Type.ENUMERATED);
ResponseStatus = (OCSPResponseStatus)asn.GetPayload()[0];
if (asn.NextOffset == 0)
{
return;
}
//responseBytesCS
asn.MoveNextAndExpectTags(0xa0);
asn.MoveNext();
asn.MoveNext();
decodeResponseType(new Asn1ObjectIdentifier(asn.GetTagRawData()).Value);
asn.MoveNextAndExpectTags((Byte)Asn1Type.OCTET_STRING);
//BasicOCSPResponse
asn.MoveNextAndExpectTags(0x30);
asn.MoveNext();
//tbsResponseData
Asn1Reader tbsResponseData = new Asn1Reader(asn.GetTagRawData());
//decodetbsResponse(tbsResponseData);
//signatureAlgorithm
asn.MoveNextCurrentLevel();
SignatureAlgorithm = new AlgorithmIdentifier(Asn1Utils.Encode(asn.GetPayload(), 48)).AlgorithmId;
//signature
asn.MoveNextCurrentLevel();
Byte[] signature = asn.GetPayload().Skip(1).ToArray();
// GenericArray.GetSubArray(asn1.Payload, 1, asn1.Payload.Length - 1);
SignerCertificates = new X509Certificate2Collection();
if (asn.MoveNext())
{
asn.MoveNext();
Asn1Reader cert = new Asn1Reader(asn.GetPayload());
do
{
SignerCertificates.Add(new X509Certificate2(Asn1Utils.Encode(cert.GetPayload(), 48)));
} while (cert.MoveNextCurrentLevel());
verifySigner(SignerCertificates[0], true);
} // optional. Find cert in store.
verifyAll(tbsResponseData, signature, SignatureAlgorithm);
}
/// <summary>
/// Initializes a new instance of the <strong>Asn1GeneralizedTime</strong> class from an existing
/// <see cref="Asn1Reader"/> object.
/// </summary>
/// <param name="asn"><see cref="Asn1Reader"/> object in the position that represents Generalized Time.</param>
/// <exception cref="Asn1InvalidTagException">
/// The current state of <strong>ASN1</strong> object is not Generalized Time.
/// </exception>
public Asn1GeneralizedTime(Asn1Reader asn) : base(asn)
{
if (asn.Tag != tag)
{
throw new Asn1InvalidTagException(String.Format(InvalidType, tagName));
}
m_decode(asn.GetTagRawData());
}
