private LdsSecurityObject(
Asn1Sequence seq)
{
if (seq == null || seq.Count == 0)
throw new ArgumentException("null or empty sequence passed.");
IEnumerator e = seq.GetEnumerator();
// version
e.MoveNext();
version = DerInteger.GetInstance(e.Current);
// digestAlgorithmIdentifier
e.MoveNext();
digestAlgorithmIdentifier = AlgorithmIdentifier.GetInstance(e.Current);
e.MoveNext();
Asn1Sequence datagroupHashSeq = Asn1Sequence.GetInstance(e.Current);
if (version.Value.Equals(BigInteger.One))
{
e.MoveNext();
versionInfo = LdsVersionInfo.GetInstance(e.Current);
}
CheckDatagroupHashSeqSize(datagroupHashSeq.Count);
datagroupHash = new DataGroupHash[datagroupHashSeq.Count];
for (int i= 0; i< datagroupHashSeq.Count; i++)
{
datagroupHash[i] = DataGroupHash.GetInstance(datagroupHashSeq[i]);
}
}
private LdsSecurityObject(Asn1Sequence seq)
{
if (seq == null || seq.Count == 0)
{
throw new ArgumentException("null or empty sequence passed.");
}
IEnumerator enumerator = seq.GetEnumerator();
enumerator.MoveNext();
version = DerInteger.GetInstance(enumerator.Current);
enumerator.MoveNext();
digestAlgorithmIdentifier = AlgorithmIdentifier.GetInstance(enumerator.Current);
enumerator.MoveNext();
Asn1Sequence instance = Asn1Sequence.GetInstance(enumerator.Current);
if (version.Value.Equals(BigInteger.One))
{
enumerator.MoveNext();
versionInfo = LdsVersionInfo.GetInstance(enumerator.Current);
}
CheckDatagroupHashSeqSize(instance.Count);
datagroupHash = new DataGroupHash[instance.Count];
for (int i = 0; i < instance.Count; i++)
{
datagroupHash[i] = DataGroupHash.GetInstance(instance[i]);
}
}
public LdsSecurityObject(AlgorithmIdentifier digestAlgorithmIdentifier, DataGroupHash[] datagroupHash, LdsVersionInfo versionInfo)
{
version = new DerInteger(1);
this.digestAlgorithmIdentifier = digestAlgorithmIdentifier;
this.datagroupHash = datagroupHash;
this.versionInfo = versionInfo;
CheckDatagroupHashSeqSize(datagroupHash.Length);
}
public LdsSecurityObject(
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash,
LdsVersionInfo versionInfo)
{
this.version = new DerInteger(1);
this.digestAlgorithmIdentifier = digestAlgorithmIdentifier;
this.datagroupHash = datagroupHash;
this.versionInfo = versionInfo;
CheckDatagroupHashSeqSize(datagroupHash.Length);
}
private void CheckStatement(
LdsSecurityObject so,
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash,
LdsVersionInfo versionInfo)
{
if (digestAlgorithmIdentifier != null)
{
if (!so.DigestAlgorithmIdentifier.Equals(digestAlgorithmIdentifier))
{
Fail("ids don't match.");
}
}
else if (so.DigestAlgorithmIdentifier != null)
{
Fail("digest algorithm Id found when none expected.");
}
if (datagroupHash != null)
{
DataGroupHash[] datas = so.GetDatagroupHash();
for (int i = 0; i != datas.Length; i++)
{
if (!datagroupHash[i].Equals(datas[i]))
{
Fail("name registration authorities don't match.");
}
}
}
else if (so.GetDatagroupHash() != null)
{
Fail("data hash groups found when none expected.");
}
if (versionInfo != null)
{
if (!versionInfo.Equals(so.VersionInfo))
{
Fail("versionInfo doesn't match");
}
}
else if (so.VersionInfo != null)
{
Fail("version info found when none expected.");
}
}
private void CheckConstruction(
LdsSecurityObject so,
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash,
LdsVersionInfo versionInfo)
{
if (!so.Version.Equals(BigInteger.One))
{
Fail("version number not 1");
}
CheckStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
so = LdsSecurityObject.GetInstance(so);
CheckStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromByteArray(
so.ToAsn1Object().GetEncoded());
so = LdsSecurityObject.GetInstance(seq);
CheckStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
}
public override void PerformTest()
{
AlgorithmIdentifier algoId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1);
DataGroupHash[] datas = new DataGroupHash[2];
datas[0] = new DataGroupHash(1, new DerOctetString(GenerateHash()));
datas[1] = new DataGroupHash(2, new DerOctetString(GenerateHash()));
LdsSecurityObject so = new LdsSecurityObject(algoId, datas);
CheckConstruction(so, algoId, datas);
LdsVersionInfo versionInfo = new LdsVersionInfo("Hello", "world");
so = new LdsSecurityObject(algoId, datas, versionInfo);
CheckConstruction(so, algoId, datas, versionInfo);
try
{
LdsSecurityObject.GetInstance(null);
}
catch (Exception)
{
Fail("GetInstance() failed to handle null.");
}
try
{
LdsSecurityObject.GetInstance(new object());
Fail("GetInstance() failed to detect bad object.");
}
catch (ArgumentException)
{
// expected
}
try
{
LdsSecurityObject.GetInstance(DerSequence.Empty);
Fail("constructor failed to detect empty sequence.");
}
catch (ArgumentException)
{
// expected
}
try
{
new LdsSecurityObject(algoId, new DataGroupHash[1]);
Fail("constructor failed to detect small DataGroupHash array.");
}
catch (ArgumentException)
{
// expected
}
try
{
new LdsSecurityObject(algoId, new DataGroupHash[LdsSecurityObject.UBDataGroups + 1]);
Fail("constructor failed to out of bounds DataGroupHash array.");
}
catch (ArgumentException)
{
// expected
}
}
