public async Task <byte[]> SignedContentPacket(byte[] content)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
var signature = _ContentSigner.GetSignature(content);
return(await CreateZipArchive(content, signature));
}
public async Task <byte[]> SignedContentPacket(byte[] content)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
var signature = _ContentSigner.GetSignature(content);
return(await new ZippedContentBuilder().BuildStandard(content, signature));
}
private async Task <byte[]> ReplaceSignatureAsync(byte[] archiveBytes)
{
await using var m = new MemoryStream();
m.Write(archiveBytes, 0, archiveBytes.Length);
using (var archive = new ZipArchive(m, ZipArchiveMode.Update, true))
{
var content = archive.ReadEntry(_contentEntryName);
var sig = _contentSigner.GetSignature(content);
await archive.ReplaceEntryAsync(ZippedContentEntryNames.NlSignature, sig);
}
return(m.ToArray());
}
public async Task <byte[]> BuildAsync(TemporaryExposureKeyArgs[] keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
if (keys.Any(x => x == null))
{
throw new ArgumentException("At least one key in null.", nameof(keys));
}
var securityInfo = GetGaenSignatureInfo();
var content = new ExposureKeySetContentArgs
{
Header = Header,
Region = "NL",
BatchNum = 1,
BatchSize = 1,
SignatureInfos = new[] { securityInfo },
StartTimestamp = _dateTimeProvider.Snapshot.AddDays(-1).ToUnixTimeU64(),
EndTimestamp = _dateTimeProvider.Snapshot.ToUnixTimeU64(),
Keys = keys
};
var contentBytes = _eksContentFormatter.GetBytes(content);
var nlSig = _nlContentSigner.GetSignature(contentBytes);
var gaenSig = _gaenContentSigner.GetSignature(contentBytes);
_logger.WriteNlSig(nlSig);
_logger.WriteGaenSig(gaenSig);
var signatures = new ExposureKeySetSignaturesContentArgs
{
Items = new[]
{
new ExposureKeySetSignatureContentArgs
{
SignatureInfo = securityInfo,
Signature = gaenSig,
BatchSize = content.BatchSize,
BatchNum = content.BatchNum
},
}
};
var gaenSigFile = _eksContentFormatter.GetBytes(signatures);
return(await new ZippedContentBuilder().BuildEksAsync(contentBytes, gaenSigFile, nlSig));
}
public async Task <byte[]> BuildAsync(TemporaryExposureKeyArgs[] keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
if (keys.Any(x => x == null))
{
throw new ArgumentException("At least one key in null.", nameof(keys));
}
var securityInfo = GetGaenSignatureInfo();
var content = new ExposureKeySetContentArgs
{
Header = Header,
Region = "NL",
BatchNum = 1,
BatchSize = 1,
SignatureInfos = new[] { securityInfo },
StartTimestamp = _DateTimeProvider.Snapshot.AddDays(-1).ToUnixTimeU64(), //TODO real values?
EndTimestamp = _DateTimeProvider.Snapshot.ToUnixTimeU64(), //TODO real values?
Keys = keys
};
var contentBytes = _EksContentFormatter.GetBytes(content);
var nlSig = _NlContentSigner.GetSignature(contentBytes);
var gaenSig = _GaenContentSigner.GetSignature(contentBytes);
_Logger.LogDebug("GAEN Sig: {Convert.ToBase64String(GaenSig)}.", gaenSig);
_Logger.LogDebug("NL Sig: {Convert.ToBase64String(NlSig)}.", nlSig);
var signatures = new ExposureKeySetSignaturesContentArgs
{
Items = new[]
{
new ExposureKeySetSignatureContentArgs
{
SignatureInfo = securityInfo,
Signature = gaenSig,
BatchSize = content.BatchSize,
BatchNum = content.BatchNum
},
}
};
var gaenSigFile = _EksContentFormatter.GetBytes(signatures);
return(await CreateZipArchive(contentBytes, gaenSigFile, nlSig));
}
public async Task <byte[]> BuildAsync(TemporaryExposureKeyArgs[] keys)
{
var securityInfo = GetGaenSignatureInfo();
var now = _DateTimeProvider.Now();
var content = new ExposureKeySetContentArgs
{
Header = Header,
Region = "NL",
BatchNum = 1, //TODO real values?
BatchSize = keys.Length, //TODO real values?
SignatureInfos = new[] { securityInfo },
StartTimestamp = now.AddDays(-1).ToUnixTime(), //TODO real values?
EndTimestamp = now.ToUnixTime(), //TODO real values?
Keys = keys
};
var contentBytes = _ContentFormatter.GetBytes(content);
var signatures = new ExposureKeySetSignaturesContentArgs
{
Items = new[]
{
new ExposureKeySetSignatureContentArgs
{
SignatureInfo = securityInfo,
Signature = _GaenContentSigner.GetSignature(contentBytes),
BatchSize = 1,
BatchNum = 1
},
//new ExposureKeySetSignatureContentArgs
//{
// //TODO The NL sig.
//},
}
};
var nlSig = _NlContentSigner.GetSignature(contentBytes);
return(await CreateZipArchive(contentBytes, _ContentFormatter.GetBytes(signatures), nlSig));
}
public async Task <byte[]> SignedContentPacket(byte[] content)
{
var signature = _ContentSigner.GetSignature(content);
return(await CreateZipArchive(content, signature));
}