Signature.cs 3.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113
  1. #if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
  2. #pragma warning disable
  3. using System;
  4. using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
  5. using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
  6. namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Ocsp
  7. {
  8. public class Signature
  9. : Asn1Encodable
  10. {
  11. internal AlgorithmIdentifier signatureAlgorithm;
  12. internal DerBitString signatureValue;
  13. internal Asn1Sequence certs;
  14. public static Signature GetInstance(
  15. Asn1TaggedObject obj,
  16. bool explicitly)
  17. {
  18. return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
  19. }
  20. public static Signature GetInstance(
  21. object obj)
  22. {
  23. if (obj == null || obj is Signature)
  24. {
  25. return (Signature)obj;
  26. }
  27. if (obj is Asn1Sequence)
  28. {
  29. return new Signature((Asn1Sequence)obj);
  30. }
  31. throw new ArgumentException("unknown object in factory: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj), "obj");
  32. }
  33. public Signature(
  34. AlgorithmIdentifier signatureAlgorithm,
  35. DerBitString signatureValue)
  36. : this(signatureAlgorithm, signatureValue, null)
  37. {
  38. }
  39. public Signature(
  40. AlgorithmIdentifier signatureAlgorithm,
  41. DerBitString signatureValue,
  42. Asn1Sequence certs)
  43. {
  44. if (signatureAlgorithm == null)
  45. throw new ArgumentException("signatureAlgorithm");
  46. if (signatureValue == null)
  47. throw new ArgumentException("signatureValue");
  48. this.signatureAlgorithm = signatureAlgorithm;
  49. this.signatureValue = signatureValue;
  50. this.certs = certs;
  51. }
  52. private Signature(
  53. Asn1Sequence seq)
  54. {
  55. signatureAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
  56. signatureValue = (DerBitString)seq[1];
  57. if (seq.Count == 3)
  58. {
  59. certs = Asn1Sequence.GetInstance(
  60. (Asn1TaggedObject)seq[2], true);
  61. }
  62. }
  63. public AlgorithmIdentifier SignatureAlgorithm
  64. {
  65. get { return signatureAlgorithm; }
  66. }
  67. public DerBitString SignatureValue
  68. {
  69. get { return signatureValue; }
  70. }
  71. public byte[] GetSignatureOctets()
  72. {
  73. return signatureValue.GetOctets();
  74. }
  75. public Asn1Sequence Certs
  76. {
  77. get { return certs; }
  78. }
  79. /**
  80. * Produce an object suitable for an Asn1OutputStream.
  81. * <pre>
  82. * Signature ::= Sequence {
  83. * signatureAlgorithm AlgorithmIdentifier,
  84. * signature BIT STRING,
  85. * certs [0] EXPLICIT Sequence OF Certificate OPTIONAL}
  86. * </pre>
  87. */
  88. public override Asn1Object ToAsn1Object()
  89. {
  90. Asn1EncodableVector v = new Asn1EncodableVector(signatureAlgorithm, signatureValue);
  91. v.AddOptionalTagged(true, 0, certs);
  92. return new DerSequence(v);
  93. }
  94. }
  95. }
  96. #pragma warning restore
  97. #endif