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2020-07-09 08:50:24 +08:00
parent 13d25f4707
commit c523462b82
1818 changed files with 174940 additions and 582 deletions
--- a/Assets/BestHTTP/SecureProtocol/crypto/tls/NamedCurve.cs
+++ b/Assets/BestHTTP/SecureProtocol/crypto/tls/NamedCurve.cs
@@ -0,0 +1,81 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+
+using Org.BouncyCastle.Asn1.Sec;
+using Org.BouncyCastle.Asn1.X9;
+using Org.BouncyCastle.Crypto.Parameters;
+
+namespace Org.BouncyCastle.Crypto.Tls
+{
+    /// <summary>
+    /// RFC 4492 5.1.1
+    /// The named curves defined here are those specified in SEC 2 [13]. Note that many of
+    /// these curves are also recommended in ANSI X9.62 [7] and FIPS 186-2 [11]. Values 0xFE00
+    /// through 0xFEFF are reserved for private use. Values 0xFF01 and 0xFF02 indicate that the
+    /// client supports arbitrary prime and characteristic-2 curves, respectively (the curve
+    /// parameters must be encoded explicitly in ECParameters).
+    /// </summary>
+    public abstract class NamedCurve
+    {
+        public const int sect163k1 = 1;
+        public const int sect163r1 = 2;
+        public const int sect163r2 = 3;
+        public const int sect193r1 = 4;
+        public const int sect193r2 = 5;
+        public const int sect233k1 = 6;
+        public const int sect233r1 = 7;
+        public const int sect239k1 = 8;
+        public const int sect283k1 = 9;
+        public const int sect283r1 = 10;
+        public const int sect409k1 = 11;
+        public const int sect409r1 = 12;
+        public const int sect571k1 = 13;
+        public const int sect571r1 = 14;
+        public const int secp160k1 = 15;
+        public const int secp160r1 = 16;
+        public const int secp160r2 = 17;
+        public const int secp192k1 = 18;
+        public const int secp192r1 = 19;
+        public const int secp224k1 = 20;
+        public const int secp224r1 = 21;
+        public const int secp256k1 = 22;
+        public const int secp256r1 = 23;
+        public const int secp384r1 = 24;
+        public const int secp521r1 = 25;
+    
+        /*
+         * RFC 7027
+         */
+        public const int brainpoolP256r1 = 26;
+        public const int brainpoolP384r1 = 27;
+        public const int brainpoolP512r1 = 28;
+
+        /*
+         * reserved (0xFE00..0xFEFF)
+         */
+
+        public const int arbitrary_explicit_prime_curves = 0xFF01;
+        public const int arbitrary_explicit_char2_curves = 0xFF02;
+
+        public static bool IsValid(int namedCurve)
+        {
+            return (namedCurve >= sect163k1 && namedCurve <= brainpoolP512r1)
+                || (namedCurve >= arbitrary_explicit_prime_curves && namedCurve <= arbitrary_explicit_char2_curves);
+        }
+
+        public static bool RefersToASpecificNamedCurve(int namedCurve)
+        {
+            switch (namedCurve)
+            {
+            case arbitrary_explicit_prime_curves:
+            case arbitrary_explicit_char2_curves:
+                return false;
+            default:
+                return true;
+            }
+        }
+    }
+}
+
+#endif