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83 lines
2.5 KiB
83 lines
2.5 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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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509
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{
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/**
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* The KeyUsage object.
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* <pre>
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* id-ce-keyUsage OBJECT IDENTIFIER ::= { id-ce 15 }
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*
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* KeyUsage ::= BIT STRING {
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* digitalSignature (0),
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* nonRepudiation (1),
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* keyEncipherment (2),
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* dataEncipherment (3),
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* keyAgreement (4),
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* keyCertSign (5),
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* cRLSign (6),
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* encipherOnly (7),
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* decipherOnly (8) }
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* </pre>
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*/
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public class KeyUsage
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: DerBitString
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{
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public const int DigitalSignature = (1 << 7);
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public const int NonRepudiation = (1 << 6);
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public const int KeyEncipherment = (1 << 5);
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public const int DataEncipherment = (1 << 4);
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public const int KeyAgreement = (1 << 3);
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public const int KeyCertSign = (1 << 2);
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public const int CrlSign = (1 << 1);
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public const int EncipherOnly = (1 << 0);
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public const int DecipherOnly = (1 << 15);
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public static new KeyUsage GetInstance(object obj)
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{
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if (obj is KeyUsage)
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return (KeyUsage)obj;
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if (obj is X509Extension)
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return GetInstance(X509Extension.ConvertValueToObject((X509Extension)obj));
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if (obj == null)
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return null;
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return new KeyUsage(DerBitString.GetInstance(obj));
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}
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public static KeyUsage FromExtensions(X509Extensions extensions)
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{
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return GetInstance(X509Extensions.GetExtensionParsedValue(extensions, X509Extensions.KeyUsage));
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}
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/**
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* Basic constructor.
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*
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* @param usage - the bitwise OR of the Key Usage flags giving the
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* allowed uses for the key.
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* e.g. (KeyUsage.keyEncipherment | KeyUsage.dataEncipherment)
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*/
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public KeyUsage(int usage)
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: base(usage)
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{
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}
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private KeyUsage(
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DerBitString usage)
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: base(usage.GetBytes(), usage.PadBits)
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{
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}
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public override string ToString()
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{
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byte[] data = GetBytes();
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if (data.Length == 1)
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{
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return "KeyUsage: 0x" + (data[0] & 0xff).ToString("X");
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}
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return "KeyUsage: 0x" + ((data[1] & 0xff) << 8 | (data[0] & 0xff)).ToString("X");
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}
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}
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}
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#pragma warning restore
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#endif
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