private static void WritePEImage(
Stream peStream,
MetadataBuilder metadataBuilder,
BlobBuilder ilBuilder,
MethodDefinitionHandle entryPointHandle,
Blob mvidFixup = default(Blob),
byte[] privateKeyOpt = null)
{
var peBuilder = new ManagedPEBuilder(
entryPointHandle.IsNil ? PEHeaderBuilder.CreateLibraryHeader() : PEHeaderBuilder.CreateExecutableHeader(),
new MetadataRootBuilder(metadataBuilder),
ilBuilder,
entryPoint: entryPointHandle,
flags: CorFlags.ILOnly | (privateKeyOpt != null ? CorFlags.StrongNameSigned : 0),
deterministicIdProvider: content => s_contentId);
var peBlob = new BlobBuilder();
var contentId = peBuilder.Serialize(peBlob);
if (!mvidFixup.IsDefault)
{
new BlobWriter(mvidFixup).WriteGuid(contentId.Guid);
}
if (privateKeyOpt != null)
{
peBuilder.Sign(peBlob, content => SigningUtilities.CalculateRsaSignature(content, privateKeyOpt));
}
peBlob.WriteContentTo(peStream);
}
private static bool TestChecksumAndAuthenticodeSignature(Stream peStream, byte[] privateKeyOpt = null)
{
var peHeaders = new PEHeaders(peStream);
bool is32bit = peHeaders.PEHeader.Magic == PEMagic.PE32;
uint expectedChecksum = peHeaders.PEHeader.CheckSum;
int peHeadersSize = peHeaders.PEHeaderStartOffset + PEHeader.Size(is32bit) + SectionHeader.Size * peHeaders.SectionHeaders.Length;
peStream.Position = 0;
if (expectedChecksum == 0)
{
// not signed
return(false);
}
int peSize = (int)peStream.Length;
var peImage = new BlobBuilder(peSize);
Assert.Equal(peSize, peImage.TryWriteBytes(peStream, peSize));
var buffer = peImage.GetBlobs().Single().Buffer;
var checksumBlob = new Blob(buffer, peHeaders.PEHeaderStartOffset + PEHeader.OffsetOfChecksum, sizeof(uint));
uint checksum = PEBuilder.CalculateChecksum(peImage, checksumBlob);
Assert.Equal(expectedChecksum, checksum);
// validate signature:
if (privateKeyOpt != null)
{
// signature is calculated with checksum zeroed:
new BlobWriter(checksumBlob).WriteUInt32(0);
int snOffset;
Assert.True(peHeaders.TryGetDirectoryOffset(peHeaders.CorHeader.StrongNameSignatureDirectory, out snOffset));
var snBlob = new Blob(buffer, snOffset, peHeaders.CorHeader.StrongNameSignatureDirectory.Size);
var expectedSignature = snBlob.GetBytes().ToArray();
var signature = SigningUtilities.CalculateRsaSignature(PEBuilder.GetContentToSign(peImage, peHeadersSize, peHeaders.PEHeader.FileAlignment, snBlob), privateKeyOpt);
AssertEx.Equal(expectedSignature, signature);
}
return(true);
}
private static void WritePEImage(
Stream peStream,
MetadataBuilder metadataBuilder,
BlobBuilder ilBuilder,
MethodDefinitionHandle entryPointHandle,
Blob mvidFixup = default(Blob),
byte[] privateKeyOpt = null,
bool publicSigned = false,
Machine machine = 0,
BlobBuilder?mappedFieldData = null)
{
var peHeaderBuilder = new PEHeaderBuilder(imageCharacteristics: entryPointHandle.IsNil ? Characteristics.Dll : Characteristics.ExecutableImage,
machine: machine);
var peBuilder = new ManagedPEBuilder(
peHeaderBuilder,
new MetadataRootBuilder(metadataBuilder),
ilBuilder,
entryPoint: entryPointHandle,
flags: CorFlags.ILOnly | (privateKeyOpt != null || publicSigned ? CorFlags.StrongNameSigned : 0),
deterministicIdProvider: content => s_contentId,
mappedFieldData: mappedFieldData);
var peBlob = new BlobBuilder();
var contentId = peBuilder.Serialize(peBlob);
if (!mvidFixup.IsDefault)
{
new BlobWriter(mvidFixup).WriteGuid(contentId.Guid);
}
if (privateKeyOpt != null)
{
peBuilder.Sign(peBlob, content => SigningUtilities.CalculateRsaSignature(content, privateKeyOpt));
}
peBlob.WriteContentTo(peStream);
}
private static void WritePEImage(
Stream peStream,
MetadataBuilder metadataBuilder,
BlobBuilder ilBuilder,
MethodDefinitionHandle entryPointHandle,
byte[] privateKeyOpt = null)
{
var mappedFieldDataBuilder = new BlobBuilder();
var managedResourceDataBuilder = new BlobBuilder();
var peBuilder = new ManagedPEBuilder(
entryPointHandle.IsNil ? PEHeaderBuilder.CreateLibraryHeader() : PEHeaderBuilder.CreateExecutableHeader(),
new TypeSystemMetadataSerializer(metadataBuilder, "v4.0.30319", isMinimalDelta: false),
ilBuilder,
mappedFieldDataBuilder,
managedResourceDataBuilder,
nativeResourceSectionSerializer: null,
strongNameSignatureSize: 128,
entryPoint: entryPointHandle,
pdbPathOpt: null,
nativePdbContentId: default(ContentId),
portablePdbContentId: default(ContentId),
corFlags: CorFlags.ILOnly | (privateKeyOpt != null ? CorFlags.StrongNameSigned : 0),
deterministicIdProvider: content => s_contentId);
var peBlob = new BlobBuilder();
ContentId contentId;
peBuilder.Serialize(peBlob, out contentId);
if (privateKeyOpt != null)
{
peBuilder.Sign(peBlob, content => SigningUtilities.CalculateRsaSignature(content, privateKeyOpt));
}
peBlob.WriteContentTo(peStream);
}
