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