public ElGamalParameter(
BigInteger p,
BigInteger g)
{
this.p = new DerInteger(p);
this.g = new DerInteger(g);
}
public Pkcs12PbeParams(
byte[] salt,
int iterations)
{
this.iv = new DerOctetString(salt);
this.iterations = new DerInteger(iterations);
}
public Cast5CbcParameters(
byte[] iv,
int keyLength)
{
this.iv = new DerOctetString(iv);
this.keyLength = new DerInteger(keyLength);
}
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]);
}
}
public DataGroupHash(
int dataGroupNumber,
Asn1OctetString dataGroupHashValue)
{
this.dataGroupNumber = new DerInteger(dataGroupNumber);
this.dataGroupHashValue = dataGroupHashValue;
}
public RC2CbcParameter(
int parameterVersion,
byte[] iv)
{
this.version = new DerInteger(parameterVersion);
this.iv = new DerOctetString(iv);
}
public CompressedDataParser(
Asn1SequenceParser seq)
{
this._version = (DerInteger)seq.ReadObject();
this._compressionAlgorithm = AlgorithmIdentifier.GetInstance(seq.ReadObject().ToAsn1Object());
this._encapContentInfo = new ContentInfoParser((Asn1SequenceParser)seq.ReadObject());
}
private PbeParameter(Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
salt = Asn1OctetString.GetInstance(seq[0]);
iterationCount = DerInteger.GetInstance(seq[1]);
}
public KekRecipientInfo(
Asn1Sequence seq)
{
version = (DerInteger) seq[0];
kekID = KekIdentifier.GetInstance(seq[1]);
keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
encryptedKey = (Asn1OctetString) seq[3];
}
public PasswordRecipientInfo(
AlgorithmIdentifier keyEncryptionAlgorithm,
Asn1OctetString encryptedKey)
{
this.version = new DerInteger(0);
this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
this.encryptedKey = encryptedKey;
}
public KeyTransRecipientInfo(
Asn1Sequence seq)
{
this.version = (DerInteger) seq[0];
this.rid = RecipientIdentifier.GetInstance(seq[1]);
this.keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
this.encryptedKey = (Asn1OctetString) seq[3];
}
private Cast5CbcParameters(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
iv = (Asn1OctetString) seq[0];
keyLength = (DerInteger) seq[1];
}
public ElGamalParameter(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
p = DerInteger.GetInstance(seq[0]);
g = DerInteger.GetInstance(seq[1]);
}
private DataGroupHash(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
this.dataGroupNumber = DerInteger.GetInstance(seq[0]);
this.dataGroupHashValue = Asn1OctetString.GetInstance(seq[1]);
}
public KekRecipientInfo(
KekIdentifier kekID,
AlgorithmIdentifier keyEncryptionAlgorithm,
Asn1OctetString encryptedKey)
{
this.version = new DerInteger(4);
this.kekID = kekID;
this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
this.encryptedKey = encryptedKey;
}
public LdsSecurityObject(
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash)
{
this.version = new DerInteger(0);
this.digestAlgorithmIdentifier = digestAlgorithmIdentifier;
this.datagroupHash = datagroupHash;
CheckDatagroupHashSeqSize(datagroupHash.Length);
}
private CertID(
Asn1Sequence seq)
{
if (seq.Count != 4)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
this.issuerNameHash = Asn1OctetString.GetInstance(seq[1]);
this.issuerKeyHash = Asn1OctetString.GetInstance(seq[2]);
this.serialNumber = DerInteger.GetInstance(seq[3]);
}
public CertID(
AlgorithmIdentifier hashAlgorithm,
Asn1OctetString issuerNameHash,
Asn1OctetString issuerKeyHash,
DerInteger serialNumber)
{
this.hashAlgorithm = hashAlgorithm;
this.issuerNameHash = issuerNameHash;
this.issuerKeyHash = issuerKeyHash;
this.serialNumber = serialNumber;
}
public EnvelopedData(
OriginatorInfo originatorInfo,
Asn1Set recipientInfos,
EncryptedContentInfo encryptedContentInfo,
Attributes unprotectedAttrs)
{
this.version = new DerInteger(CalculateVersion(originatorInfo, recipientInfos, Asn1Set.GetInstance(unprotectedAttrs)));
this.originatorInfo = originatorInfo;
this.recipientInfos = recipientInfos;
this.encryptedContentInfo = encryptedContentInfo;
this.unprotectedAttrs = Asn1Set.GetInstance(unprotectedAttrs);
}
public KeyAgreeRecipientInfo(
OriginatorIdentifierOrKey originator,
Asn1OctetString ukm,
AlgorithmIdentifier keyEncryptionAlgorithm,
Asn1Sequence recipientEncryptedKeys)
{
this.version = new DerInteger(3);
this.originator = originator;
this.ukm = ukm;
this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
this.recipientEncryptedKeys = recipientEncryptedKeys;
}
public DHParameter(
BigInteger p,
BigInteger g,
int l)
{
this.p = new DerInteger(p);
this.g = new DerInteger(g);
if (l != 0)
{
this.l = new DerInteger(l);
}
}
private RC2CbcParameter(
Asn1Sequence seq)
{
if (seq.Count == 1)
{
iv = (Asn1OctetString)seq[0];
}
else
{
version = (DerInteger)seq[0];
iv = (Asn1OctetString)seq[1];
}
}
public SignedData(
DerInteger _version,
Asn1Set _digestAlgorithms,
ContentInfo _contentInfo,
Asn1Set _certificates,
Asn1Set _crls,
Asn1Set _signerInfos)
{
version = _version;
digestAlgorithms = _digestAlgorithms;
contentInfo = _contentInfo;
certificates = _certificates;
crls = _crls;
signerInfos = _signerInfos;
}
public SignedData(
Asn1Set digestAlgorithms,
ContentInfo contentInfo,
Asn1Set certificates,
Asn1Set crls,
Asn1Set signerInfos)
{
this.version = CalculateVersion(contentInfo.ContentType, certificates, crls, signerInfos);
this.digestAlgorithms = digestAlgorithms;
this.contentInfo = contentInfo;
this.certificates = certificates;
this.crls = crls;
this.signerInfos = signerInfos;
this.crlsBer = crls is BerSet;
this.certsBer = certificates is BerSet;
}
public SignerInfo(
SignerIdentifier sid,
AlgorithmIdentifier digAlgorithm,
Attributes authenticatedAttributes,
AlgorithmIdentifier digEncryptionAlgorithm,
Asn1OctetString encryptedDigest,
Attributes unauthenticatedAttributes)
{
this.version = new DerInteger(sid.IsTagged ? 3 : 1);
this.sid = sid;
this.digAlgorithm = digAlgorithm;
this.authenticatedAttributes = Asn1Set.GetInstance(authenticatedAttributes);
this.digEncryptionAlgorithm = digEncryptionAlgorithm;
this.encryptedDigest = encryptedDigest;
this.unauthenticatedAttributes = Asn1Set.GetInstance(unauthenticatedAttributes);
}
public DHParameter(
Asn1Sequence seq)
{
IEnumerator e = seq.GetEnumerator();
e.MoveNext();
p = (DerInteger)e.Current;
e.MoveNext();
g = (DerInteger)e.Current;
if (e.MoveNext())
{
l = (DerInteger) e.Current;
}
}
private SignedData(
Asn1Sequence seq)
{
IEnumerator e = seq.GetEnumerator();
e.MoveNext();
version = (DerInteger)e.Current;
e.MoveNext();
digestAlgorithms = ((Asn1Set)e.Current);
e.MoveNext();
contentInfo = ContentInfo.GetInstance(e.Current);
while (e.MoveNext())
{
Asn1Object o = (Asn1Object)e.Current;
//
// an interesting feature of SignedData is that there appear
// to be varying implementations...
// for the moment we ignore anything which doesn't fit.
//
if (o is Asn1TaggedObject)
{
Asn1TaggedObject tagged = (Asn1TaggedObject)o;
switch (tagged.TagNo)
{
case 0:
certsBer = tagged is BerTaggedObject;
certificates = Asn1Set.GetInstance(tagged, false);
break;
case 1:
crlsBer = tagged is BerTaggedObject;
crls = Asn1Set.GetInstance(tagged, false);
break;
default:
throw new ArgumentException("unknown tag value " + tagged.TagNo);
}
}
else
{
signerInfos = (Asn1Set) o;
}
}
}
public SignerInfo(
DerInteger version,
IssuerAndSerialNumber issuerAndSerialNumber,
AlgorithmIdentifier digAlgorithm,
Asn1Set authenticatedAttributes,
AlgorithmIdentifier digEncryptionAlgorithm,
Asn1OctetString encryptedDigest,
Asn1Set unauthenticatedAttributes)
{
this.version = version;
this.issuerAndSerialNumber = issuerAndSerialNumber;
this.digAlgorithm = digAlgorithm;
this.authenticatedAttributes = authenticatedAttributes;
this.digEncryptionAlgorithm = digEncryptionAlgorithm;
this.encryptedDigest = encryptedDigest;
this.unauthenticatedAttributes = unauthenticatedAttributes;
}
public PasswordRecipientInfo(
Asn1Sequence seq)
{
version = (DerInteger) seq[0];
if (seq[1] is Asn1TaggedObject)
{
keyDerivationAlgorithm = AlgorithmIdentifier.GetInstance((Asn1TaggedObject) seq[1], false);
keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
encryptedKey = (Asn1OctetString) seq[3];
}
else
{
keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
encryptedKey = (Asn1OctetString) seq[2];
}
}
public DerExternal(
Asn1EncodableVector vector)
{
int offset = 0;
Asn1Object enc = GetObjFromVector(vector, offset);
if (enc is DerObjectIdentifier)
{
directReference = (DerObjectIdentifier)enc;
offset++;
enc = GetObjFromVector(vector, offset);
}
if (enc is DerInteger)
{
indirectReference = (DerInteger) enc;
offset++;
enc = GetObjFromVector(vector, offset);
}
if (!(enc is DerTaggedObject))
{
dataValueDescriptor = (Asn1Object) enc;
offset++;
enc = GetObjFromVector(vector, offset);
}
if (!(enc is DerTaggedObject))
{
throw new InvalidOperationException(
"No tagged object found in vector. Structure doesn't seem to be of type External");
}
if (vector.Count != offset + 1)
throw new ArgumentException("input vector too large", "vector");
if (!(enc is DerTaggedObject))
throw new ArgumentException("No tagged object found in vector. Structure doesn't seem to be of type External", "vector");
DerTaggedObject obj = (DerTaggedObject)enc;
// Use property accessor to include check on value
Encoding = obj.TagNo;
if (encoding < 0 || encoding > 2)
throw new InvalidOperationException("invalid encoding value");
externalContent = obj.GetObject();
}
