int GetHashFromAssemblyFile()

in src/Shared/StrongNameHelpers.cs [315:530]
183 lines of code
1 McCabe index (conditional complexity)

        int GetHashFromAssemblyFile(
            [In, MarshalAs(UnmanagedType.LPStr)] string pszFilePath,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int GetHashFromAssemblyFileW(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int GetHashFromBlob(
            [In] IntPtr pbBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cchBlob,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int GetHashFromFile(
            [In, MarshalAs(UnmanagedType.LPStr)] string pszFilePath,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int GetHashFromFileW(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int GetHashFromHandle(
            [In] IntPtr hFile,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int piHashAlg,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbHash,
            [In, MarshalAs(UnmanagedType.U4)] int cchHash,
            [MarshalAs(UnmanagedType.U4)] out int pchHash);

        [return: MarshalAs(UnmanagedType.U4)]
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameCompareAssemblies(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzAssembly1,
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzAssembly2,
            [MarshalAs(UnmanagedType.U4)] out int dwResult);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameFreeBuffer(
            [In] IntPtr pbMemory);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameGetBlob(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] pbBlob,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int pcbBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameGetBlobFromImage(
            [In] IntPtr pbBase,
            [In, MarshalAs(UnmanagedType.U4)] int dwLength,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbBlob,
            [In, Out, MarshalAs(UnmanagedType.U4)] ref int pcbBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameGetPublicKey(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer,
            [In] IntPtr pbKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbKeyBlob,
            out IntPtr ppbPublicKeyBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbPublicKeyBlob);

        [return: MarshalAs(UnmanagedType.U4)]
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameHashSize(
            [In, MarshalAs(UnmanagedType.U4)] int ulHashAlg,
            [MarshalAs(UnmanagedType.U4)] out int cbSize);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameKeyDelete(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameKeyGen(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer,
            [In, MarshalAs(UnmanagedType.U4)] int dwFlags,
            out IntPtr ppbKeyBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbKeyBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameKeyGenEx(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer,
            [In, MarshalAs(UnmanagedType.U4)] int dwFlags,
            [In, MarshalAs(UnmanagedType.U4)] int dwKeySize,
            out IntPtr ppbKeyBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbKeyBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameKeyInstall(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer,
            [In] IntPtr pbKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbKeyBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureGeneration(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzKeyContainer,
            [In] IntPtr pbKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbKeyBlob,
            [In, Out] IntPtr ppbSignatureBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbSignatureBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureGenerationEx(
            [In, MarshalAs(UnmanagedType.LPWStr)] string wszFilePath,
            [In, MarshalAs(UnmanagedType.LPWStr)] string wszKeyContainer,
            [In] IntPtr pbKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbKeyBlob,
            [In, Out] IntPtr ppbSignatureBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbSignatureBlob,
            [In, MarshalAs(UnmanagedType.U4)] int dwFlags);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureSize(
            [In] IntPtr pbPublicKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbPublicKeyBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbSize);

        [return: MarshalAs(UnmanagedType.U4)]
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureVerification(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [In, MarshalAs(UnmanagedType.U4)] int dwInFlags,
            [MarshalAs(UnmanagedType.U4)] out int dwOutFlags);

        [return: MarshalAs(UnmanagedType.U4)]
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureVerificationEx(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            [In, MarshalAs(UnmanagedType.I1)] bool fForceVerification,
            [MarshalAs(UnmanagedType.I1)] out bool fWasVerified);

        [return: MarshalAs(UnmanagedType.U4)]
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameSignatureVerificationFromImage(
            [In] IntPtr pbBase,
            [In, MarshalAs(UnmanagedType.U4)] int dwLength,
            [In, MarshalAs(UnmanagedType.U4)] int dwInFlags,
            [MarshalAs(UnmanagedType.U4)] out int dwOutFlags);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameTokenFromAssembly(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            out IntPtr ppbStrongNameToken,
            [MarshalAs(UnmanagedType.U4)] out int pcbStrongNameToken);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameTokenFromAssemblyEx(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwzFilePath,
            out IntPtr ppbStrongNameToken,
            [MarshalAs(UnmanagedType.U4)] out int pcbStrongNameToken,
            out IntPtr ppbPublicKeyBlob,
            [MarshalAs(UnmanagedType.U4)] out int pcbPublicKeyBlob);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        [PreserveSig]
        int StrongNameTokenFromPublicKey(
            [In] IntPtr pbPublicKeyBlob,
            [In, MarshalAs(UnmanagedType.U4)] int cbPublicKeyBlob,
            out IntPtr ppbStrongNameToken,
            [MarshalAs(UnmanagedType.U4)] out int pcbStrongNameToken);
    }

    /// <summary>
    /// This is a managed wrapper for the IClrStrongName interface defined in metahost.idl
    /// This is very similar to the standard RCWs provided in 
    /// ndp/fx/src/hosting/interop/microsoft/runtime/hosting/interop, but we don't want to
    /// reference that assembly (part of the SDK only, not .NET redist).  Also, our version
    /// is designed specifically for easy migration from the old mscoree APIs, for example
    /// all APIs return HResults rather than throw exceptions.
    /// </summary> 
    [System.Security.SecurityCritical]
    [ComImport, ComConversionLoss, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("9FD93CCF-3280-4391-B3A9-96E1CDE77C8D")]
    internal interface IClrStrongName
    {