using System; using System.Runtime.InteropServices; using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters; using BestHTTP.SecureProtocol.Org.BouncyCastle.Math; using BestHTTP.SecureProtocol.Org.BouncyCastle.Security; using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; using Cpp2IlInjected; namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp { // Token: 0x02001734 RID: 5940 [Token(Token = "0x2001734")] [StructLayout(3)] public class Srp6Server { // Token: 0x0600A096 RID: 41110 RVA: 0x0025536C File Offset: 0x0025356C [Token(Token = "0x600A096")] [Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")] public Srp6Server() { } // Token: 0x0600A097 RID: 41111 RVA: 0x00255380 File Offset: 0x00253580 [Token(Token = "0x600A097")] [Address(RVA = "0x2187FC0", Offset = "0x21869C0", VA = "0x182187FC0", Slot = "4")] public virtual void Init(BigInteger N, BigInteger g, BigInteger v, IDigest digest, SecureRandom random) { this.random = 0; this.digest = 0; this.N = N; this.g = g; this.v = v; } // Token: 0x0600A098 RID: 41112 RVA: 0x002553B0 File Offset: 0x002535B0 [Token(Token = "0x600A098")] [Address(RVA = "0x2187F70", Offset = "0x2186970", VA = "0x182187F70", Slot = "5")] public virtual void Init(Srp6GroupParameters group, BigInteger v, IDigest digest, SecureRandom random) { string text = this.ToString(); } // Token: 0x0600A099 RID: 41113 RVA: 0x002553CC File Offset: 0x002535CC [Token(Token = "0x600A099")] [Address(RVA = "0x2187EA0", Offset = "0x21868A0", VA = "0x182187EA0", Slot = "6")] public virtual BigInteger GenerateServerCredentials() { BigInteger n = this.N; BigInteger bigInteger = this.g; BigInteger bigInteger2 = Srp6Utilities.HashPaddedPair(this.digest, n, n, bigInteger); BigInteger bigInteger3; this.privB = bigInteger3; BigInteger bigInteger4 = this.v; BigInteger bigInteger5 = bigInteger2.Multiply(bigInteger4); BigInteger n2 = this.N; BigInteger bigInteger6 = bigInteger5.Mod(n2); BigInteger bigInteger7 = this.g; BigInteger n3 = this.N; BigInteger bigInteger8 = this.privB; BigInteger bigInteger9 = bigInteger7.ModPow(bigInteger8, n3); BigInteger bigInteger10 = bigInteger6.Add(bigInteger9); BigInteger n4 = this.N; BigInteger bigInteger11 = bigInteger10.Mod(n4); this.pubB = bigInteger11; return bigInteger11; } // Token: 0x0600A09A RID: 41114 RVA: 0x00255478 File Offset: 0x00253678 [Token(Token = "0x600A09A")] [Address(RVA = "0x2187B00", Offset = "0x2186500", VA = "0x182187B00", Slot = "7")] public virtual BigInteger CalculateSecret(BigInteger clientA) { BigInteger n = this.N; BigInteger bigInteger = clientA.Mod(n); BigInteger bigInteger2 = this.pubB; BigInteger n2 = this.N; IDigest digest = this.digest; this.A = bigInteger; BigInteger bigInteger3 = Srp6Utilities.HashPaddedPair(digest, n2, bigInteger, bigInteger2); BigInteger bigInteger4 = this.v; this.u = bigInteger3; BigInteger n3 = this.N; BigInteger bigInteger5 = bigInteger4.ModPow(bigInteger3, n3); BigInteger a = this.A; BigInteger bigInteger6 = bigInteger5.Multiply(a); BigInteger n4 = this.N; BigInteger bigInteger7 = bigInteger6.Mod(n4); BigInteger n5 = this.N; BigInteger bigInteger8 = this.privB; BigInteger bigInteger9 = bigInteger7.ModPow(bigInteger8, n5); this.S = bigInteger9; return bigInteger9; } // Token: 0x0600A09B RID: 41115 RVA: 0x00255544 File Offset: 0x00253744 [Token(Token = "0x600A09B")] [Address(RVA = "0x2187FE0", Offset = "0x21869E0", VA = "0x182187FE0", Slot = "8")] protected virtual BigInteger SelectPrivateValue() { BigInteger n = this.N; SecureRandom secureRandom = this.random; int num = 0; int num2 = n.BitLength; num2 -= num; uint num3; num2 = Math.Min((int)num3, num2); BigInteger one = BigInteger.One; int num4 = num2 - 1; BigInteger bigInteger = one.ShiftLeft(num4); BigInteger one2 = BigInteger.One; BigInteger bigInteger2 = n.Subtract(one2); return BigIntegers.CreateRandomInRange(bigInteger, bigInteger2, secureRandom); } // Token: 0x0600A09C RID: 41116 RVA: 0x002555B0 File Offset: 0x002537B0 [Token(Token = "0x600A09C")] [Address(RVA = "0x2187A90", Offset = "0x2186490", VA = "0x182187A90")] private BigInteger CalculateS() { BigInteger bigInteger = this.v; BigInteger n = this.N; BigInteger bigInteger2 = this.u; BigInteger bigInteger3 = bigInteger.ModPow(bigInteger2, n); BigInteger a = this.A; BigInteger bigInteger4 = bigInteger3.Multiply(a); BigInteger n2 = this.N; BigInteger bigInteger5 = bigInteger4.Mod(n2); BigInteger n3 = this.N; BigInteger bigInteger6 = this.privB; return bigInteger5.ModPow(bigInteger6, n3); } // Token: 0x0600A09D RID: 41117 RVA: 0x00255624 File Offset: 0x00253824 [Token(Token = "0x600A09D")] [Address(RVA = "0x21880F0", Offset = "0x2186AF0", VA = "0x1821880F0", Slot = "9")] public virtual bool VerifyClientEvidenceMessage(BigInteger clientM1) { /* An exception occurred when decompiling this method (0600A09D) ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Server::VerifyClientEvidenceMessage(BestHTTP.SecureProtocol.Org.BouncyCastle.Math.BigInteger) ---> System.Exception: Basic block has to end with unconditional control flow. { IL_43: stloc:CryptoException(var_5_4D, newobj:CryptoException(CryptoException::.ctor, ldstr:string("Impossible to compute and verify M1: some data are missing from the previous operations (A,B,S)"))) } at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88 --- End of inner exception stack trace --- at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92 at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663 */; } // Token: 0x0600A09E RID: 41118 RVA: 0x00255680 File Offset: 0x00253880 [Token(Token = "0x600A09E")] [Address(RVA = "0x2187C70", Offset = "0x2186670", VA = "0x182187C70", Slot = "10")] public virtual BigInteger CalculateServerEvidenceMessage() { /* An exception occurred when decompiling this method (0600A09E) ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.BigInteger BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Server::CalculateServerEvidenceMessage() ---> System.Exception: Basic block has to end with unconditional control flow. { IL_44: stloc:CryptoException(var_6_4E, newobj:CryptoException(CryptoException::.ctor, ldstr:string("Impossible to compute M2: some data are missing from the previous operations (A,M1,S)"))) } at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88 --- End of inner exception stack trace --- at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92 at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663 */; } // Token: 0x0600A09F RID: 41119 RVA: 0x002556DC File Offset: 0x002538DC [Token(Token = "0x600A09F")] [Address(RVA = "0x2187D10", Offset = "0x2186710", VA = "0x182187D10", Slot = "11")] public virtual BigInteger CalculateSessionKey() { /* An exception occurred when decompiling this method (0600A09F) ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.BigInteger BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Server::CalculateSessionKey() ---> System.Exception: Basic block has to end with unconditional control flow. { IL_77: stloc:CryptoException(var_10_81, newobj:CryptoException(CryptoException::.ctor, ldstr:string("Impossible to compute Key: some data are missing from the previous operations (S,M1,M2)"))) } at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846 at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123 at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88 --- End of inner exception stack trace --- at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92 at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663 */; } // Token: 0x040069A0 RID: 27040 [global::Cpp2IlInjected.FieldOffset(Offset = "0x10")] [Token(Token = "0x40069A0")] protected BigInteger N; // Token: 0x040069A1 RID: 27041 [global::Cpp2IlInjected.FieldOffset(Offset = "0x18")] [Token(Token = "0x40069A1")] protected BigInteger g; // Token: 0x040069A2 RID: 27042 [global::Cpp2IlInjected.FieldOffset(Offset = "0x20")] [Token(Token = "0x40069A2")] protected BigInteger v; // Token: 0x040069A3 RID: 27043 [global::Cpp2IlInjected.FieldOffset(Offset = "0x28")] [Token(Token = "0x40069A3")] protected SecureRandom random; // Token: 0x040069A4 RID: 27044 [global::Cpp2IlInjected.FieldOffset(Offset = "0x30")] [Token(Token = "0x40069A4")] protected IDigest digest; // Token: 0x040069A5 RID: 27045 [global::Cpp2IlInjected.FieldOffset(Offset = "0x38")] [Token(Token = "0x40069A5")] protected BigInteger A; // Token: 0x040069A6 RID: 27046 [global::Cpp2IlInjected.FieldOffset(Offset = "0x40")] [Token(Token = "0x40069A6")] protected BigInteger privB; // Token: 0x040069A7 RID: 27047 [global::Cpp2IlInjected.FieldOffset(Offset = "0x48")] [Token(Token = "0x40069A7")] protected BigInteger pubB; // Token: 0x040069A8 RID: 27048 [global::Cpp2IlInjected.FieldOffset(Offset = "0x50")] [Token(Token = "0x40069A8")] protected BigInteger u; // Token: 0x040069A9 RID: 27049 [global::Cpp2IlInjected.FieldOffset(Offset = "0x58")] [Token(Token = "0x40069A9")] protected BigInteger S; // Token: 0x040069AA RID: 27050 [global::Cpp2IlInjected.FieldOffset(Offset = "0x60")] [Token(Token = "0x40069AA")] protected BigInteger M1; // Token: 0x040069AB RID: 27051 [global::Cpp2IlInjected.FieldOffset(Offset = "0x68")] [Token(Token = "0x40069AB")] protected BigInteger M2; // Token: 0x040069AC RID: 27052 [global::Cpp2IlInjected.FieldOffset(Offset = "0x70")] [Token(Token = "0x40069AC")] protected BigInteger Key; } }