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: 0x02001DF1 RID: 7665 [Token(Token = "0x2001DF1")] public class Srp6Server { // Token: 0x0600C03E RID: 49214 RVA: 0x002B6174 File Offset: 0x002B4374 [Token(Token = "0x600C03E")] [Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")] public Srp6Server() { } // Token: 0x0600C03F RID: 49215 RVA: 0x002B6188 File Offset: 0x002B4388 [Token(Token = "0x600C03F")] [Address(RVA = "0x25AFBA0", Offset = "0x25AEBA0", VA = "0x1825AFBA0", 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: 0x0600C040 RID: 49216 RVA: 0x002B61B8 File Offset: 0x002B43B8 [Token(Token = "0x600C040")] [Address(RVA = "0x25AFB50", Offset = "0x25AEB50", VA = "0x1825AFB50", Slot = "5")] public virtual void Init(Srp6GroupParameters group, BigInteger v, IDigest digest, SecureRandom random) { string text = this.ToString(); } // Token: 0x0600C041 RID: 49217 RVA: 0x002B61D4 File Offset: 0x002B43D4 [Token(Token = "0x600C041")] [Address(RVA = "0x25AFA80", Offset = "0x25AEA80", VA = "0x1825AFA80", 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: 0x0600C042 RID: 49218 RVA: 0x002B6280 File Offset: 0x002B4480 [Token(Token = "0x600C042")] [Address(RVA = "0x25AF8A0", Offset = "0x25AE8A0", VA = "0x1825AF8A0", 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: 0x0600C043 RID: 49219 RVA: 0x002B633C File Offset: 0x002B453C [Token(Token = "0x600C043")] [Address(RVA = "0x25AFBC0", Offset = "0x25AEBC0", VA = "0x1825AFBC0", 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: 0x0600C044 RID: 49220 RVA: 0x002B636C File Offset: 0x002B456C [Token(Token = "0x600C044")] [Address(RVA = "0x25AF830", Offset = "0x25AE830", VA = "0x1825AF830")] 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: 0x0600C045 RID: 49221 RVA: 0x002B63E0 File Offset: 0x002B45E0 [Token(Token = "0x600C045")] [Address(RVA = "0x25AFBF0", Offset = "0x25AEBF0", VA = "0x1825AFBF0", Slot = "9")] public virtual bool VerifyClientEvidenceMessage(BigInteger clientM1) { /* An exception occurred when decompiling this method (0600C045) 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: 0x0600C046 RID: 49222 RVA: 0x002B643C File Offset: 0x002B463C [Token(Token = "0x600C046")] [Address(RVA = "0x25AF950", Offset = "0x25AE950", VA = "0x1825AF950", Slot = "10")] public virtual BigInteger CalculateServerEvidenceMessage() { /* An exception occurred when decompiling this method (0600C046) 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: 0x0600C047 RID: 49223 RVA: 0x002B6498 File Offset: 0x002B4698 [Token(Token = "0x600C047")] [Address(RVA = "0x25AF9F0", Offset = "0x25AE9F0", VA = "0x1825AF9F0", Slot = "11")] public virtual BigInteger CalculateSessionKey() { /* An exception occurred when decompiling this method (0600C047) 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: 0x0400799C RID: 31132 [FieldOffset(Offset = "0x10")] [Token(Token = "0x400799C")] protected BigInteger N; // Token: 0x0400799D RID: 31133 [FieldOffset(Offset = "0x18")] [Token(Token = "0x400799D")] protected BigInteger g; // Token: 0x0400799E RID: 31134 [FieldOffset(Offset = "0x20")] [Token(Token = "0x400799E")] protected BigInteger v; // Token: 0x0400799F RID: 31135 [FieldOffset(Offset = "0x28")] [Token(Token = "0x400799F")] protected SecureRandom random; // Token: 0x040079A0 RID: 31136 [FieldOffset(Offset = "0x30")] [Token(Token = "0x40079A0")] protected IDigest digest; // Token: 0x040079A1 RID: 31137 [FieldOffset(Offset = "0x38")] [Token(Token = "0x40079A1")] protected BigInteger A; // Token: 0x040079A2 RID: 31138 [FieldOffset(Offset = "0x40")] [Token(Token = "0x40079A2")] protected BigInteger privB; // Token: 0x040079A3 RID: 31139 [FieldOffset(Offset = "0x48")] [Token(Token = "0x40079A3")] protected BigInteger pubB; // Token: 0x040079A4 RID: 31140 [FieldOffset(Offset = "0x50")] [Token(Token = "0x40079A4")] protected BigInteger u; // Token: 0x040079A5 RID: 31141 [FieldOffset(Offset = "0x58")] [Token(Token = "0x40079A5")] protected BigInteger S; // Token: 0x040079A6 RID: 31142 [FieldOffset(Offset = "0x60")] [Token(Token = "0x40079A6")] protected BigInteger M1; // Token: 0x040079A7 RID: 31143 [FieldOffset(Offset = "0x68")] [Token(Token = "0x40079A7")] protected BigInteger M2; // Token: 0x040079A8 RID: 31144 [FieldOffset(Offset = "0x70")] [Token(Token = "0x40079A8")] protected BigInteger Key; } }