1 files changed, 47 insertions, 0 deletions
diff --git a/crypto/src/tls/CertificateCompressionAlgorithm.cs b/crypto/src/tls/CertificateCompressionAlgorithm.cs
new file mode 100644
index 000000000..4b6ebdadc
--- /dev/null
+++ b/crypto/src/tls/CertificateCompressionAlgorithm.cs
@@ -0,0 +1,47 @@
+using System;
+
+namespace Org.BouncyCastle.Tls
+{
+ /**
+ * RFC 8879
+ */
+ public abstract class CertificateCompressionAlgorithm
+ {
+ public const int zlib = 1;
+ public const int brotli = 2;
+ public const int zstd = 3;
+
+ public static string GetName(int certificateCompressionAlgorithm)
+ {
+ switch (certificateCompressionAlgorithm)
+ {
+ case zlib:
+ return "zlib";
+ case brotli:
+ return "brotli";
+ case zstd:
+ return "zstd";
+ default:
+ return "UNKNOWN";
+ }
+ }
+
+ public static string GetText(int certificateCompressionAlgorithm)
+ {
+ return GetName(certificateCompressionAlgorithm) + "(" + certificateCompressionAlgorithm + ")";
+ }
+
+ public static bool IsRecognized(int certificateCompressionAlgorithm)
+ {
+ switch (certificateCompressionAlgorithm)
+ {
+ case zlib:
+ case brotli:
+ case zstd:
+ return true;
+ default:
+ return false;
+ }
+ }
+ }
+}
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