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: 0x02001D10 RID: 7440 [Token(Token = "0x2001D10")] public class Srp6Client { // Token: 0x0600BC66 RID: 48230 RVA: 0x002AD4C4 File Offset: 0x002AB6C4 [Token(Token = "0x600BC66")] [Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")] public Srp6Client() { } // Token: 0x0600BC67 RID: 48231 RVA: 0x002AD4D8 File Offset: 0x002AB6D8 [Token(Token = "0x600BC67")] [Address(RVA = "0x1B47DD0", Offset = "0x1B46BD0", VA = "0x181B47DD0", Slot = "4")] public virtual void Init(BigInteger N, BigInteger g, IDigest digest, SecureRandom random) { this.random = 0; this.N = N; this.g = g; this.digest = digest; } // Token: 0x0600BC68 RID: 48232 RVA: 0x002AD504 File Offset: 0x002AB704 [Token(Token = "0x600BC68")] [Address(RVA = "0x1B47DF0", Offset = "0x1B46BF0", VA = "0x181B47DF0", Slot = "5")] public virtual void Init(Srp6GroupParameters group, IDigest digest, SecureRandom random) { string text = this.ToString(); } // Token: 0x0600BC69 RID: 48233 RVA: 0x002AD520 File Offset: 0x002AB720 [Token(Token = "0x600BC69")] [Address(RVA = "0x1B47D60", Offset = "0x1B46B60", VA = "0x181B47D60", Slot = "6")] public virtual BigInteger GenerateClientCredentials(byte[] salt, byte[] identity, byte[] password) { BigInteger n = this.N; BigInteger bigInteger = Srp6Utilities.CalculateX(this.digest, n, salt, identity, password); this.x = bigInteger; BigInteger bigInteger2 = this.g; BigInteger bigInteger3; this.privA = bigInteger3; BigInteger n2 = this.N; BigInteger bigInteger4 = bigInteger2.ModPow(bigInteger3, n2); this.pubA = bigInteger4; return bigInteger4; } // Token: 0x0600BC6A RID: 48234 RVA: 0x002AD580 File Offset: 0x002AB780 [Token(Token = "0x600BC6A")] [Address(RVA = "0x1B47BA0", Offset = "0x1B469A0", VA = "0x181B47BA0", Slot = "7")] public virtual BigInteger CalculateSecret(BigInteger serverB) { BigInteger bigInteger = Srp6Utilities.ValidatePublicValue(this.N, serverB); BigInteger bigInteger2 = this.pubA; BigInteger n = this.N; IDigest digest = this.digest; this.B = bigInteger; BigInteger bigInteger3 = Srp6Utilities.HashPaddedPair(digest, n, bigInteger2, bigInteger); BigInteger n2 = this.N; BigInteger bigInteger4 = this.g; IDigest digest2 = this.digest; this.u = bigInteger3; BigInteger bigInteger5 = Srp6Utilities.HashPaddedPair(digest2, n2, n2, bigInteger4); BigInteger bigInteger6 = this.u; BigInteger bigInteger7 = this.x; BigInteger bigInteger8 = bigInteger6.Multiply(bigInteger7); BigInteger bigInteger9 = this.privA; BigInteger bigInteger10 = bigInteger8.Add(bigInteger9); BigInteger bigInteger11 = this.g; BigInteger n3 = this.N; BigInteger bigInteger12 = this.x; BigInteger bigInteger13 = bigInteger11.ModPow(bigInteger12, n3).Multiply(bigInteger5); BigInteger n4 = this.N; BigInteger bigInteger14 = bigInteger13.Mod(n4); BigInteger bigInteger15 = this.B.Subtract(bigInteger14); BigInteger n5 = this.N; BigInteger bigInteger16 = bigInteger15.Mod(n5); BigInteger n6 = this.N; BigInteger bigInteger17 = bigInteger16.ModPow(bigInteger10, n6); this.S = bigInteger17; return bigInteger17; } // Token: 0x0600BC6B RID: 48235 RVA: 0x002AD6A8 File Offset: 0x002AB8A8 [Token(Token = "0x600BC6B")] [Address(RVA = "0x1B47E30", Offset = "0x1B46C30", VA = "0x181B47E30", 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: 0x0600BC6C RID: 48236 RVA: 0x002AD6D8 File Offset: 0x002AB8D8 [Token(Token = "0x600BC6C")] [Address(RVA = "0x1B47AA0", Offset = "0x1B468A0", VA = "0x181B47AA0")] private BigInteger CalculateS() { BigInteger n = this.N; BigInteger bigInteger = this.g; BigInteger bigInteger2 = Srp6Utilities.HashPaddedPair(this.digest, n, n, bigInteger); BigInteger bigInteger3 = this.u; BigInteger bigInteger4 = this.x; BigInteger bigInteger5 = bigInteger3.Multiply(bigInteger4); BigInteger bigInteger6 = this.privA; BigInteger bigInteger7 = bigInteger5.Add(bigInteger6); BigInteger bigInteger8 = this.g; BigInteger n2 = this.N; BigInteger bigInteger9 = this.x; BigInteger bigInteger10 = bigInteger8.ModPow(bigInteger9, n2).Multiply(bigInteger2); BigInteger n3 = this.N; BigInteger bigInteger11 = bigInteger10.Mod(n3); BigInteger bigInteger12 = this.B.Subtract(bigInteger11); BigInteger n4 = this.N; BigInteger bigInteger13 = bigInteger12.Mod(n4); BigInteger n5 = this.N; return bigInteger13.ModPow(bigInteger7, n5); } // Token: 0x0600BC6D RID: 48237 RVA: 0x002AD7AC File Offset: 0x002AB9AC [Token(Token = "0x600BC6D")] [Address(RVA = "0x1B47A00", Offset = "0x1B46800", VA = "0x181B47A00", Slot = "9")] public virtual BigInteger CalculateClientEvidenceMessage() { /* An exception occurred when decompiling this method (0600BC6D) ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.BigInteger BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Client::CalculateClientEvidenceMessage() ---> 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 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 1660 */; } // Token: 0x0600BC6E RID: 48238 RVA: 0x002AD808 File Offset: 0x002ABA08 [Token(Token = "0x600BC6E")] [Address(RVA = "0x1B47E60", Offset = "0x1B46C60", VA = "0x181B47E60", Slot = "10")] public virtual bool VerifyServerEvidenceMessage(BigInteger serverM2) { /* An exception occurred when decompiling this method (0600BC6E) ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Client::VerifyServerEvidenceMessage(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 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 1660 */; } // Token: 0x0600BC6F RID: 48239 RVA: 0x002AD864 File Offset: 0x002ABA64 [Token(Token = "0x600BC6F")] [Address(RVA = "0x1B47CD0", Offset = "0x1B46AD0", VA = "0x181B47CD0", Slot = "11")] public virtual BigInteger CalculateSessionKey() { /* An exception occurred when decompiling this method (0600BC6F) ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.BigInteger BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Srp.Srp6Client::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 1660 */; } // Token: 0x040077D6 RID: 30678 [FieldOffset(Offset = "0x10")] [Token(Token = "0x40077D6")] protected BigInteger N; // Token: 0x040077D7 RID: 30679 [FieldOffset(Offset = "0x18")] [Token(Token = "0x40077D7")] protected BigInteger g; // Token: 0x040077D8 RID: 30680 [FieldOffset(Offset = "0x20")] [Token(Token = "0x40077D8")] protected BigInteger privA; // Token: 0x040077D9 RID: 30681 [FieldOffset(Offset = "0x28")] [Token(Token = "0x40077D9")] protected BigInteger pubA; // Token: 0x040077DA RID: 30682 [FieldOffset(Offset = "0x30")] [Token(Token = "0x40077DA")] protected BigInteger B; // Token: 0x040077DB RID: 30683 [FieldOffset(Offset = "0x38")] [Token(Token = "0x40077DB")] protected BigInteger x; // Token: 0x040077DC RID: 30684 [FieldOffset(Offset = "0x40")] [Token(Token = "0x40077DC")] protected BigInteger u; // Token: 0x040077DD RID: 30685 [FieldOffset(Offset = "0x48")] [Token(Token = "0x40077DD")] protected BigInteger S; // Token: 0x040077DE RID: 30686 [FieldOffset(Offset = "0x50")] [Token(Token = "0x40077DE")] protected BigInteger M1; // Token: 0x040077DF RID: 30687 [FieldOffset(Offset = "0x58")] [Token(Token = "0x40077DF")] protected BigInteger M2; // Token: 0x040077E0 RID: 30688 [FieldOffset(Offset = "0x60")] [Token(Token = "0x40077E0")] protected BigInteger Key; // Token: 0x040077E1 RID: 30689 [FieldOffset(Offset = "0x68")] [Token(Token = "0x40077E1")] protected IDigest digest; // Token: 0x040077E2 RID: 30690 [FieldOffset(Offset = "0x70")] [Token(Token = "0x40077E2")] protected SecureRandom random; } }