PKCS1.cs

Go to the documentation of this file.

using System;
using System.Security.Cryptography;
using Cpp2IlInjected;
 
namespace Mono.Security.Cryptography
{
    // Token: 0x02000049 RID: 73
    internal sealed class PKCS1
    {
        // Token: 0x06000166 RID: 358 RVA: 0x00005434 File Offset: 0x00003634
        private static bool Compare(byte[] array1, byte[] array2)
        {
        }
 
        // Token: 0x06000167 RID: 359 RVA: 0x00005448 File Offset: 0x00003648
        private static byte[] xor(byte[] array1, byte[] array2)
        {
        }
 
        // Token: 0x06000168 RID: 360 RVA: 0x00005458 File Offset: 0x00003658
        private static byte[] GetEmptyHash(HashAlgorithm hash)
        {
            byte[] array;
            return array;
        }
 
        // Token: 0x06000169 RID: 361 RVA: 0x00005474 File Offset: 0x00003674
        public static byte[] I2OSP(int x, int size)
        {
            byte[] bytes = BitConverterLE.GetBytes(1073741824);
            if (!true)
            {
            }
            return PKCS1.I2OSP(bytes, x);
        }
 
        // Token: 0x0600016A RID: 362 RVA: 0x0000207A File Offset: 0x0000027A
        public static byte[] I2OSP(byte[] x, int size)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x0600016B RID: 363 RVA: 0x00005498 File Offset: 0x00003698
        public static byte[] OS2IP(byte[] x)
        {
            /*
An exception occurred when decompiling this method (0600016B)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] Mono.Security.Cryptography.PKCS1::OS2IP(System.Byte[])
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0005:
    brtrue(IL_0000, logicnot:bool(ldloc:int64[exp:bool](var_0_01)))
}
 
   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 1683
*/;
        }
 
        // Token: 0x0600016C RID: 364 RVA: 0x0000207A File Offset: 0x0000027A
        public static byte[] RSAEP(RSA rsa, byte[] m)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x0600016D RID: 365 RVA: 0x0000207A File Offset: 0x0000027A
        public static byte[] RSADP(RSA rsa, byte[] c)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x0600016E RID: 366 RVA: 0x0000207A File Offset: 0x0000027A
        public static byte[] RSASP1(RSA rsa, byte[] m)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x0600016F RID: 367 RVA: 0x0000207A File Offset: 0x0000027A
        public static byte[] RSAVP1(RSA rsa, byte[] s)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x06000170 RID: 368 RVA: 0x000054AC File Offset: 0x000036AC
        public static byte[] Encrypt_OAEP(RSA rsa, HashAlgorithm hash, RandomNumberGenerator rng, byte[] M)
        {
            byte[] array;
            return PKCS1.I2OSP(array, 43151360);
        }
 
        // Token: 0x06000171 RID: 369 RVA: 0x000054C8 File Offset: 0x000036C8
        public static byte[] Decrypt_OAEP(RSA rsa, HashAlgorithm hash, byte[] C)
        {
            byte[] hashValue = hash.HashValue;
            byte[] array;
            return array;
        }
 
        // Token: 0x06000172 RID: 370 RVA: 0x000054F0 File Offset: 0x000036F0
        public static byte[] Sign_v15(RSA rsa, HashAlgorithm hash, byte[] hashValue)
        {
            byte[] array;
            return PKCS1.I2OSP(PKCS1.OS2IP(array), 1073741824);
        }
 
        // Token: 0x06000173 RID: 371 RVA: 0x00005510 File Offset: 0x00003710
        internal static byte[] Sign_v15(RSA rsa, string hashName, byte[] hashValue)
        {
            if (!true)
            {
            }
            long num = 0L;
            HashAlgorithm hashAlgorithm;
            if (hashAlgorithm != null)
            {
            }
            if (num == 0L)
            {
                byte[] array;
                return array;
            }
            throw new OutOfMemoryException();
        }
 
        // Token: 0x06000174 RID: 372 RVA: 0x00005550 File Offset: 0x00003750
        public static bool Verify_v15(RSA rsa, HashAlgorithm hash, byte[] hashValue, byte[] signature)
        {
            if (!true)
            {
            }
            bool flag;
            return flag;
        }
 
        // Token: 0x06000175 RID: 373 RVA: 0x00005564 File Offset: 0x00003764
        internal static bool Verify_v15(RSA rsa, string hashName, byte[] hashValue, byte[] signature)
        {
            if (!true)
            {
            }
            long num = 0L;
            HashAlgorithm hashAlgorithm;
            if (hashAlgorithm != null)
            {
            }
            if (num == 0L)
            {
            }
            throw new OutOfMemoryException();
        }
 
        // Token: 0x06000176 RID: 374 RVA: 0x000055A4 File Offset: 0x000037A4
        public static bool Verify_v15(RSA rsa, HashAlgorithm hash, byte[] hashValue, byte[] signature, bool tryNonStandardEncoding)
        {
            /*
An exception occurred when decompiling this method (06000176)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Mono.Security.Cryptography.PKCS1::Verify_v15(System.Security.Cryptography.RSA,System.Security.Cryptography.HashAlgorithm,System.Byte[],System.Byte[],System.Boolean)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:uint8[](var_0_06, call:uint8[](PKCS1::OS2IP, ldloc:uint8[](hashValue)))
    stloc:uint8[](var_5_12, ldfld:uint8[](HashAlgorithm::HashValue, ldloc:HashAlgorithm(hash)))
    stloc:uint8[](var_7_1E, ldfld:uint8[](HashAlgorithm::HashValue, ldloc:HashAlgorithm(hash)))
}
 
   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 1683
*/;
        }
 
        // Token: 0x06000177 RID: 375 RVA: 0x000055DC File Offset: 0x000037DC
        public static byte[] Encode_v15(HashAlgorithm hash, byte[] hashValue, int emLength)
        {
            /*
An exception occurred when decompiling this method (06000177)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] Mono.Security.Cryptography.PKCS1::Encode_v15(System.Security.Cryptography.HashAlgorithm,System.Byte[],System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0024:
    stloc:uint8[](var_11_2A, ldfld:uint8[](HashAlgorithm::HashValue, ldloc:HashAlgorithm(hash)))
    stloc:int64(var_12_2D, ldc.i4:int64(0))
    stloc:int32(var_13_37, call:int32(Math::Max, ldc.i4:int32(8), ldloc:int64[exp:int32](var_12_2D)))
}
 
   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 1683
*/;
        }
 
        // Token: 0x06000178 RID: 376 RVA: 0x00005624 File Offset: 0x00003824
        public static byte[] MGF1(HashAlgorithm hash, byte[] mgfSeed, int maskLen)
        {
            /*
An exception occurred when decompiling this method (06000178)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] Mono.Security.Cryptography.PKCS1::MGF1(System.Security.Cryptography.HashAlgorithm,System.Byte[],System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_000E:
    stloc:int32(var_3_0F, ldc.i4:int32(4))
    stloc:uint8[](var_4_17, call:uint8[](PKCS1::I2OSP, ldloc:int64[exp:int32](var_2_0A), ldloc:int32(var_3_0F)))
}
 
   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 1683
*/;
        }
 
        // Token: 0x06000179 RID: 377 RVA: 0x0000564C File Offset: 0x0000384C
        internal static HashAlgorithm CreateFromName(string name)
        {
            uint num = <PrivateImplementationDetails>.ComputeStringHash("RIPEMD160");
            SHA1 sha = SHA1.Create();
            MD2 md = MD2.Create();
            MD5 md2 = MD5.Create();
            SHA384 sha2 = SHA384.Create();
            RIPEMD160 ripemd = RIPEMD160.Create();
            SHA256 sha3 = SHA256.Create();
            MD4 md3 = MD4.Create();
            SHA512 sha4 = SHA512.Create();
            object obj;
            if (obj != null)
            {
            }
            throw new InvalidCastException();
        }
 
        // Token: 0x0600017A RID: 378 RVA: 0x00005700 File Offset: 0x00003900
        // Note: this type is marked as 'beforefieldinit'.
        static PKCS1()
        {
        }
 
        // Token: 0x04000153 RID: 339
        private static byte[] emptySHA1;
 
        // Token: 0x04000154 RID: 340
        private static byte[] emptySHA256;
 
        // Token: 0x04000155 RID: 341
        private static byte[] emptySHA384;
 
        // Token: 0x04000156 RID: 342
        private static byte[] emptySHA512;
    }
}