up

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/asn1/x9/X9IntegerConverter.cs
+++ b/Assets/BestHTTP/SecureProtocol/asn1/x9/X9IntegerConverter.cs
@@ -0,0 +1,43 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+using System;
+
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Math.EC;
+
+namespace Org.BouncyCastle.Asn1.X9
+{
+    public abstract class X9IntegerConverter
+    {
+        public static int GetByteLength(ECFieldElement fe)
+        {
+            return (fe.FieldSize + 7) / 8;
+        }
+
+        public static int GetByteLength(ECCurve c)
+        {
+            return (c.FieldSize + 7) / 8;
+        }
+
+        public static byte[] IntegerToBytes(BigInteger s, int qLength)
+        {
+            byte[] bytes = s.ToByteArrayUnsigned();
+
+            if (qLength < bytes.Length)
+            {
+                byte[] tmp = new byte[qLength];
+                Array.Copy(bytes, bytes.Length - tmp.Length, tmp, 0, tmp.Length);
+                return tmp;
+            }
+            else if (qLength > bytes.Length)
+            {
+                byte[] tmp = new byte[qLength];
+                Array.Copy(bytes, 0, tmp, tmp.Length - bytes.Length, bytes.Length);
+                return tmp;
+            }
+
+            return bytes;
+        }
+    }
+}
+
+#endif