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92 lines
2.9 KiB
92 lines
2.9 KiB
1 year ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.Globalization;
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using System.IO;
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using System.Text;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Encoders;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509
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{
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/**
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* It turns out that the number of standard ways the fields in a DN should be
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* encoded into their ASN.1 counterparts is rapidly approaching the
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* number of machines on the internet. By default the X509Name class
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* will produce UTF8Strings in line with the current recommendations (RFC 3280).
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* <p>
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* An example of an encoder look like below:
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* <pre>
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* public class X509DirEntryConverter
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* : X509NameEntryConverter
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* {
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* public Asn1Object GetConvertedValue(
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* DerObjectIdentifier oid,
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* string value)
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* {
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* if (str.Length() != 0 && str.charAt(0) == '#')
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* {
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* return ConvertHexEncoded(str, 1);
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* }
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* if (oid.Equals(EmailAddress))
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* {
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* return new DerIA5String(str);
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* }
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* else if (CanBePrintable(str))
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* {
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* return new DerPrintableString(str);
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* }
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* else if (CanBeUTF8(str))
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* {
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* return new DerUtf8String(str);
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* }
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* else
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* {
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* return new DerBmpString(str);
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* }
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* }
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* }
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* </pre>
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* </p>
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*/
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public abstract class X509NameEntryConverter
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{
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/**
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* Convert an inline encoded hex string rendition of an ASN.1
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* object back into its corresponding ASN.1 object.
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*
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* @param str the hex encoded object
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* @param off the index at which the encoding starts
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* @return the decoded object
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*/
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protected Asn1Object ConvertHexEncoded(
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string hexString,
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int offset)
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{
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return Asn1Object.FromByteArray(Hex.DecodeStrict(hexString, offset, hexString.Length - offset));
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}
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/**
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* return true if the passed in string can be represented without
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* loss as a PrintableString, false otherwise.
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*/
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protected bool CanBePrintable(
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string str)
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{
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return DerPrintableString.IsPrintableString(str);
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}
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/**
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* Convert the passed in string value into the appropriate ASN.1
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* encoded object.
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*
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* @param oid the oid associated with the value in the DN.
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* @param value the value of the particular DN component.
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* @return the ASN.1 equivalent for the value.
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*/
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public abstract Asn1Object GetConvertedValue(DerObjectIdentifier oid, string value);
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}
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}
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#pragma warning restore
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#endif
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