scripts
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niko
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using System;
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using System.Text;
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using Mono.Security;
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using Mono.Security.Cryptography;
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namespace System.Security.Cryptography.X509Certificates
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{
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/// <summary>Defines a string that identifies a certificate's subject key identifier (SKI). This class cannot be inherited.</summary>
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// Token: 0x020002A0 RID: 672
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public sealed class X509SubjectKeyIdentifierExtension : X509Extension
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{
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class.</summary>
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// Token: 0x06001897 RID: 6295 RVA: 0x00054000 File Offset: 0x00052200
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public X509SubjectKeyIdentifierExtension()
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{
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class using encoded data and a value that identifies whether the extension is critical.</summary>
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/// <param name="encodedSubjectKeyIdentifier">The <see cref="T:System.Security.Cryptography.AsnEncodedData" /> object to use to create the extension.</param>
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/// <param name="critical">true if the extension is critical; otherwise, false.</param>
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// Token: 0x06001898 RID: 6296 RVA: 0x00054020 File Offset: 0x00052220
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public X509SubjectKeyIdentifierExtension(AsnEncodedData encodedSubjectKeyIdentifier, bool critical)
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{
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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this._raw = encodedSubjectKeyIdentifier.RawData;
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base.Critical = critical;
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this._status = this.Decode(base.RawData);
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class using a byte array and a value that identifies whether the extension is critical.</summary>
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/// <param name="subjectKeyIdentifier">A byte array that represents data to use to create the extension.</param>
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/// <param name="critical">true if the extension is critical; otherwise, false.</param>
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// Token: 0x06001899 RID: 6297 RVA: 0x00054070 File Offset: 0x00052270
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public X509SubjectKeyIdentifierExtension(byte[] subjectKeyIdentifier, bool critical)
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{
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if (subjectKeyIdentifier == null)
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{
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throw new ArgumentNullException("subjectKeyIdentifier");
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}
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if (subjectKeyIdentifier.Length == 0)
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{
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throw new ArgumentException("subjectKeyIdentifier");
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}
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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base.Critical = critical;
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this._subjectKeyIdentifier = (byte[])subjectKeyIdentifier.Clone();
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base.RawData = this.Encode();
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class using a string and a value that identifies whether the extension is critical.</summary>
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/// <param name="subjectKeyIdentifier">A string, encoded in hexadecimal format, that represents the subject key identifier (SKI) for a certificate.</param>
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/// <param name="critical">true if the extension is critical; otherwise, false.</param>
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// Token: 0x0600189A RID: 6298 RVA: 0x000540E0 File Offset: 0x000522E0
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public X509SubjectKeyIdentifierExtension(string subjectKeyIdentifier, bool critical)
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{
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if (subjectKeyIdentifier == null)
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{
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throw new ArgumentNullException("subjectKeyIdentifier");
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}
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if (subjectKeyIdentifier.Length < 2)
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{
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throw new ArgumentException("subjectKeyIdentifier");
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}
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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base.Critical = critical;
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this._subjectKeyIdentifier = X509SubjectKeyIdentifierExtension.FromHex(subjectKeyIdentifier);
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base.RawData = this.Encode();
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class using a public key and a value indicating whether the extension is critical.</summary>
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/// <param name="key">A <see cref="T:System.Security.Cryptography.X509Certificates.PublicKey" /> object to create a subject key identifier (SKI) from. </param>
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/// <param name="critical">true if the extension is critical; otherwise, false.</param>
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// Token: 0x0600189B RID: 6299 RVA: 0x00054150 File Offset: 0x00052350
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public X509SubjectKeyIdentifierExtension(PublicKey key, bool critical)
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: this(key, X509SubjectKeyIdentifierHashAlgorithm.Sha1, critical)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class using a public key, a hash algorithm identifier, and a value indicating whether the extension is critical. </summary>
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/// <param name="key">A <see cref="T:System.Security.Cryptography.X509Certificates.PublicKey" /> object to create a subject key identifier (SKI) from.</param>
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/// <param name="algorithm">One of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm" /> values that identifies which hash algorithm to use.</param>
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/// <param name="critical">true if the extension is critical; otherwise, false.</param>
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// Token: 0x0600189C RID: 6300 RVA: 0x0005415C File Offset: 0x0005235C
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public X509SubjectKeyIdentifierExtension(PublicKey key, X509SubjectKeyIdentifierHashAlgorithm algorithm, bool critical)
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{
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if (key == null)
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{
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throw new ArgumentNullException("key");
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}
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byte[] rawData = key.EncodedKeyValue.RawData;
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switch (algorithm)
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{
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case X509SubjectKeyIdentifierHashAlgorithm.Sha1:
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this._subjectKeyIdentifier = SHA1.Create().ComputeHash(rawData);
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break;
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case X509SubjectKeyIdentifierHashAlgorithm.ShortSha1:
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{
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byte[] array = SHA1.Create().ComputeHash(rawData);
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this._subjectKeyIdentifier = new byte[8];
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Buffer.BlockCopy(array, 12, this._subjectKeyIdentifier, 0, 8);
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this._subjectKeyIdentifier[0] = 64 | (this._subjectKeyIdentifier[0] & 15);
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break;
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}
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case X509SubjectKeyIdentifierHashAlgorithm.CapiSha1:
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{
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ASN1 asn = new ASN1(48);
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ASN1 asn2 = asn.Add(new ASN1(48));
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asn2.Add(new ASN1(CryptoConfig.EncodeOID(key.Oid.Value)));
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asn2.Add(new ASN1(key.EncodedParameters.RawData));
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byte[] array2 = new byte[rawData.Length + 1];
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Buffer.BlockCopy(rawData, 0, array2, 1, rawData.Length);
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asn.Add(new ASN1(3, array2));
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this._subjectKeyIdentifier = SHA1.Create().ComputeHash(asn.GetBytes());
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break;
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}
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default:
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throw new ArgumentException("algorithm");
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}
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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base.Critical = critical;
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base.RawData = this.Encode();
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}
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/// <summary>Gets a string that represents the subject key identifier (SKI) for a certificate.</summary>
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/// <returns>A string, encoded in hexadecimal format, that represents the subject key identifier (SKI).</returns>
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/// <exception cref="T:System.Security.Cryptography.CryptographicException">The extension cannot be decoded. </exception>
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// Token: 0x170007BA RID: 1978
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// (get) Token: 0x0600189D RID: 6301 RVA: 0x000542C0 File Offset: 0x000524C0
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public string SubjectKeyIdentifier
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{
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get
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{
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AsnDecodeStatus status = this._status;
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if (status != AsnDecodeStatus.Ok && status != AsnDecodeStatus.InformationNotAvailable)
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{
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throw new CryptographicException("Badly encoded extension.");
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}
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if (this._subjectKeyIdentifier != null)
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{
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this._ski = CryptoConvert.ToHex(this._subjectKeyIdentifier);
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}
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return this._ski;
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}
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}
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/// <summary>Creates a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class by copying information from encoded data.</summary>
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/// <param name="asnEncodedData">The <see cref="T:System.Security.Cryptography.AsnEncodedData" /> object to use to create the extension.</param>
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// Token: 0x0600189E RID: 6302 RVA: 0x00054314 File Offset: 0x00052514
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public override void CopyFrom(AsnEncodedData encodedData)
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{
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if (encodedData == null)
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{
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throw new ArgumentNullException("encodedData");
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}
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X509Extension x509Extension = encodedData as X509Extension;
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if (x509Extension == null)
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{
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throw new ArgumentException(global::Locale.GetText("Wrong type."), "encodedData");
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}
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if (x509Extension._oid == null)
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{
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this._oid = new Oid("2.5.29.14", "Subject Key Identifier");
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}
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else
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{
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this._oid = new Oid(x509Extension._oid);
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}
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base.RawData = x509Extension.RawData;
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base.Critical = x509Extension.Critical;
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this._status = this.Decode(base.RawData);
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}
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// Token: 0x0600189F RID: 6303 RVA: 0x000543B4 File Offset: 0x000525B4
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internal static byte FromHexChar(char c)
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{
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if (c >= 'a' && c <= 'f')
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{
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return (byte)(c - 'a' + '\n');
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}
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if (c >= 'A' && c <= 'F')
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{
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return (byte)(c - 'A' + '\n');
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}
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if (c >= '0' && c <= '9')
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{
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return (byte)(c - '0');
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}
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return byte.MaxValue;
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}
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// Token: 0x060018A0 RID: 6304 RVA: 0x00054410 File Offset: 0x00052610
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internal static byte FromHexChars(char c1, char c2)
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{
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byte b = X509SubjectKeyIdentifierExtension.FromHexChar(c1);
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if (b < 255)
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{
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b = (byte)(((int)b << 4) | (int)X509SubjectKeyIdentifierExtension.FromHexChar(c2));
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}
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return b;
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}
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// Token: 0x060018A1 RID: 6305 RVA: 0x0005443C File Offset: 0x0005263C
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internal static byte[] FromHex(string hex)
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{
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if (hex == null)
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{
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return null;
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}
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int num = hex.Length >> 1;
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byte[] array = new byte[num];
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int i = 0;
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int num2 = 0;
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while (i < num)
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{
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array[i++] = X509SubjectKeyIdentifierExtension.FromHexChars(hex[num2++], hex[num2++]);
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}
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return array;
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}
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// Token: 0x060018A2 RID: 6306 RVA: 0x00054494 File Offset: 0x00052694
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internal AsnDecodeStatus Decode(byte[] extension)
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{
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if (extension == null || extension.Length == 0)
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{
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return AsnDecodeStatus.BadAsn;
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}
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this._ski = string.Empty;
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if (extension[0] != 4)
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{
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return AsnDecodeStatus.BadTag;
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}
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if (extension.Length == 2)
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{
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return AsnDecodeStatus.InformationNotAvailable;
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}
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if (extension.Length < 3)
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{
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return AsnDecodeStatus.BadLength;
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}
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try
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{
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ASN1 asn = new ASN1(extension);
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this._subjectKeyIdentifier = asn.Value;
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}
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catch
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{
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return AsnDecodeStatus.BadAsn;
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}
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return AsnDecodeStatus.Ok;
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}
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// Token: 0x060018A3 RID: 6307 RVA: 0x00054524 File Offset: 0x00052724
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internal byte[] Encode()
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{
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ASN1 asn = new ASN1(4, this._subjectKeyIdentifier);
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return asn.GetBytes();
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}
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// Token: 0x060018A4 RID: 6308 RVA: 0x00054544 File Offset: 0x00052744
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internal override string ToString(bool multiLine)
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{
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switch (this._status)
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{
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case AsnDecodeStatus.BadAsn:
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return string.Empty;
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case AsnDecodeStatus.BadTag:
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case AsnDecodeStatus.BadLength:
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return base.FormatUnkownData(this._raw);
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case AsnDecodeStatus.InformationNotAvailable:
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return "Information Not Available";
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default:
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{
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if (this._oid.Value != "2.5.29.14")
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{
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return string.Format("Unknown Key Usage ({0})", this._oid.Value);
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}
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < this._subjectKeyIdentifier.Length; i++)
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{
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stringBuilder.Append(this._subjectKeyIdentifier[i].ToString("x2"));
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if (i != this._subjectKeyIdentifier.Length - 1)
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{
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stringBuilder.Append(" ");
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}
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}
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if (multiLine)
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{
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stringBuilder.Append(Environment.NewLine);
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}
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return stringBuilder.ToString();
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}
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}
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}
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// Token: 0x04001380 RID: 4992
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internal const string oid = "2.5.29.14";
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// Token: 0x04001381 RID: 4993
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internal const string friendlyName = "Subject Key Identifier";
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// Token: 0x04001382 RID: 4994
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private byte[] _subjectKeyIdentifier;
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// Token: 0x04001383 RID: 4995
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private string _ski;
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// Token: 0x04001384 RID: 4996
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private AsnDecodeStatus _status;
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}
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}
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