using System; using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters; using BestHTTP.SecureProtocol.Org.BouncyCastle.Math; using BestHTTP.SecureProtocol.Org.BouncyCastle.Security; using Cpp2IlInjected; namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp { // Token: 0x02001D11 RID: 7441 [Token(Token = "0x2001D11")] public class Srp6Server { // Token: 0x0600BC70 RID: 48240 RVA: 0x002AD8BC File Offset: 0x002ABABC [Token(Token = "0x600BC70")] [Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")] public Srp6Server() { } // Token: 0x0600BC71 RID: 48241 RVA: 0x002AD8D0 File Offset: 0x002ABAD0 [Token(Token = "0x600BC71")] [Address(RVA = "0x1B482B0", Offset = "0x1B470B0", VA = "0x181B482B0", 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: 0x0600BC72 RID: 48242 RVA: 0x002AD900 File Offset: 0x002ABB00 [Token(Token = "0x600BC72")] [Address(RVA = "0x1B48260", Offset = "0x1B47060", VA = "0x181B48260", Slot = "5")] public virtual void Init(Srp6GroupParameters group, BigInteger v, IDigest digest, SecureRandom random) { string text = this.ToString(); } // Token: 0x0600BC73 RID: 48243 RVA: 0x002AD91C File Offset: 0x002ABB1C [Token(Token = "0x600BC73")] [Address(RVA = "0x1B48190", Offset = "0x1B46F90", VA = "0x181B48190", 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: 0x0600BC74 RID: 48244 RVA: 0x002AD9C8 File Offset: 0x002ABBC8 [Token(Token = "0x600BC74")] [Address(RVA = "0x1B47FB0", Offset = "0x1B46DB0", VA = "0x181B47FB0", Slot = "7")] public virtual BigInteger CalculateSecret(BigInteger clientA) { BigInteger bigInteger = Srp6Utilities.ValidatePublicValue(this.N, clientA); BigInteger bigInteger2 = this.pubB; BigInteger n = this.N; IDigest digest = this.digest; this.A = bigInteger; BigInteger bigInteger3 = Srp6Utilities.HashPaddedPair(digest, n, bigInteger, bigInteger2); BigInteger bigInteger4 = this.v; this.u = bigInteger3; BigInteger n2 = this.N; BigInteger bigInteger5 = bigInteger4.ModPow(bigInteger3, n2); BigInteger a = this.A; BigInteger bigInteger6 = bigInteger5.Multiply(a); BigInteger n3 = this.N; BigInteger bigInteger7 = bigInteger6.Mod(n3); BigInteger n4 = this.N; BigInteger bigInteger8 = this.privB; BigInteger bigInteger9 = bigInteger7.ModPow(bigInteger8, n4); this.S = bigInteger9; return bigInteger9; } // Token: 0x0600BC75 RID: 48245 RVA: 0x002ADA84 File Offset: 0x002ABC84 [Token(Token = "0x600BC75")] [Address(RVA = "0x1B482D0", Offset = "0x1B470D0", VA = "0x181B482D0", Slot = "8")] protected virtual BigInteger SelectPrivateValue() { SecureRandom secureRandom = this.random; BigInteger bigInteger = this.g; BigInteger n = this.N; return Srp6Utilities.GeneratePrivateValue(this.digest, n, bigInteger, secureRandom); } // Token: 0x0600BC76 RID: 48246 RVA: 0x002ADAB4 File Offset: 0x002ABCB4 [Token(Token = "0x600BC76")] [Address(RVA = "0x1B47F40", Offset = "0x1B46D40", VA = "0x181B47F40")] 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: 0x0600BC77 RID: 48247 RVA: 0x002ADB28 File Offset: 0x002ABD28 [Token(Token = "0x600BC77")] [Address(RVA = "0x1B48300", Offset = "0x1B47100", VA = "0x181B48300", Slot = "9")] public virtual bool VerifyClientEvidenceMessage(BigInteger clientM1) { /* An exception occurred when decompiling this method (0600BC77) 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: 0x0600BC78 RID: 48248 RVA: 0x002ADB84 File Offset: 0x002ABD84 [Token(Token = "0x600BC78")] [Address(RVA = "0x1B48060", Offset = "0x1B46E60", VA = "0x181B48060", Slot = "10")] public virtual BigInteger CalculateServerEvidenceMessage() { /* An exception occurred when decompiling this method (0600BC78) 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: 0x0600BC79 RID: 48249 RVA: 0x002ADBE0 File Offset: 0x002ABDE0 [Token(Token = "0x600BC79")] [Address(RVA = "0x1B48100", Offset = "0x1B46F00", VA = "0x181B48100", Slot = "11")] public virtual BigInteger CalculateSessionKey() { /* An exception occurred when decompiling this method (0600BC79) 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_3F: stloc:CryptoException(var_3_49, 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: 0x040077E3 RID: 30691 [FieldOffset(Offset = "0x10")] [Token(Token = "0x40077E3")] protected BigInteger N; // Token: 0x040077E4 RID: 30692 [FieldOffset(Offset = "0x18")] [Token(Token = "0x40077E4")] protected BigInteger g; // Token: 0x040077E5 RID: 30693 [FieldOffset(Offset = "0x20")] [Token(Token = "0x40077E5")] protected BigInteger v; // Token: 0x040077E6 RID: 30694 [FieldOffset(Offset = "0x28")] [Token(Token = "0x40077E6")] protected SecureRandom random; // Token: 0x040077E7 RID: 30695 [FieldOffset(Offset = "0x30")] [Token(Token = "0x40077E7")] protected IDigest digest; // Token: 0x040077E8 RID: 30696 [FieldOffset(Offset = "0x38")] [Token(Token = "0x40077E8")] protected BigInteger A; // Token: 0x040077E9 RID: 30697 [FieldOffset(Offset = "0x40")] [Token(Token = "0x40077E9")] protected BigInteger privB; // Token: 0x040077EA RID: 30698 [FieldOffset(Offset = "0x48")] [Token(Token = "0x40077EA")] protected BigInteger pubB; // Token: 0x040077EB RID: 30699 [FieldOffset(Offset = "0x50")] [Token(Token = "0x40077EB")] protected BigInteger u; // Token: 0x040077EC RID: 30700 [FieldOffset(Offset = "0x58")] [Token(Token = "0x40077EC")] protected BigInteger S; // Token: 0x040077ED RID: 30701 [FieldOffset(Offset = "0x60")] [Token(Token = "0x40077ED")] protected BigInteger M1; // Token: 0x040077EE RID: 30702 [FieldOffset(Offset = "0x68")] [Token(Token = "0x40077EE")] protected BigInteger M2; // Token: 0x040077EF RID: 30703 [FieldOffset(Offset = "0x70")] [Token(Token = "0x40077EF")] protected BigInteger Key; } }