public static CodeDirectoryBlob CreateCodeDirectoryBlob(int codeLength, string ident, string teamID)
{
HashType hashType = HashType.SHA1;
int pageSize = 4096;
CodeDirectoryBlob codeDirectory = new CodeDirectoryBlob();
codeDirectory.CodeLimit = (uint)codeLength;
codeDirectory.HashType = hashType;
codeDirectory.HashSize = (byte)HashAlgorithmHelper.GetHashLength(hashType);
codeDirectory.PageSize = pageSize;
codeDirectory.Ident = ident;
codeDirectory.TeamID = teamID;
// We put empty hashes as placeholder to ensure that the blob length will not change later.
for (int index = 0; index < SpecialHashCount; index++)
{
codeDirectory.SpecialHashes.Add(new byte[codeDirectory.HashSize]);
}
int codeHashEntries = (int)Math.Ceiling((double)codeLength / pageSize);
for (int index = 0; index < codeHashEntries; index++)
{
codeDirectory.CodeHashes.Add(new byte[codeDirectory.HashSize]);
}
return(codeDirectory);
}
public static void UpdateHashes(CodeDirectoryBlob codeDirectory, byte[] codeToHash, byte[] infoFileBytes, CodeRequirementsBlob codeRequirements, byte[] codeResourcesBytes, EntitlementsBlob entitlements)
{
codeDirectory.CodeHashes = HashAlgorithmHelper.ComputeHashes(codeDirectory.HashType, codeDirectory.PageSize, codeToHash);
codeDirectory.SpecialHashes = new List <byte[]>();
codeDirectory.SpecialHashes.Insert(0, (HashAlgorithmHelper.ComputeHash(codeDirectory.HashType, infoFileBytes)));
codeDirectory.SpecialHashes.Insert(0, (HashAlgorithmHelper.ComputeHash(codeDirectory.HashType, codeRequirements.GetBytes())));
codeDirectory.SpecialHashes.Insert(0, (HashAlgorithmHelper.ComputeHash(codeDirectory.HashType, codeResourcesBytes)));
if (SpecialHashCount >= CodeDirectoryBlob.ApplicationSpecificHashOffset)
{
codeDirectory.SpecialHashes.Insert(0, new byte[HashAlgorithmHelper.GetHashLength(codeDirectory.HashType)]);
if (SpecialHashCount >= CodeDirectoryBlob.EntitlementsHashOffset)
{
codeDirectory.SpecialHashes.Insert(0, (HashAlgorithmHelper.ComputeHash(codeDirectory.HashType, entitlements.GetBytes())));
}
}
}
