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82 lines
2.5 KiB
82 lines
2.5 KiB
#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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