private EncryptedValue(Asn1Sequence seq)
{
int index = 0;
while (seq[index] is Asn1TaggedObject)
{
Asn1TaggedObject tObj = (Asn1TaggedObject)seq[index];
switch (tObj.TagNo)
{
case 0:
intendedAlg = AlgorithmIdentifier.GetInstance(tObj, false);
break;
case 1:
symmAlg = AlgorithmIdentifier.GetInstance(tObj, false);
break;
case 2:
encSymmKey = DerBitString.GetInstance(tObj, false);
break;
case 3:
keyAlg = AlgorithmIdentifier.GetInstance(tObj, false);
break;
case 4:
valueHint = Asn1OctetString.GetInstance(tObj, false);
break;
}
++index;
}
encValue = DerBitString.GetInstance(seq[index]);
}
public SubjectPublicKeyInfo(
AlgorithmIdentifier algID,
Asn1Encodable publicKey)
{
this.keyData = new DerBitString(publicKey);
this.algID = algID;
}
public RsassaPssParameters(
Asn1Sequence seq)
{
hashAlgorithm = DefaultHashAlgorithm;
maskGenAlgorithm = DefaultMaskGenFunction;
saltLength = DefaultSaltLength;
trailerField = DefaultTrailerField;
for (int i = 0; i != seq.Count; i++)
{
Asn1TaggedObject o = (Asn1TaggedObject)seq[i];
switch (o.TagNo)
{
case 0:
hashAlgorithm = AlgorithmIdentifier.GetInstance(o, true);
break;
case 1:
maskGenAlgorithm = AlgorithmIdentifier.GetInstance(o, true);
break;
case 2:
saltLength = DerInteger.GetInstance(o, true);
break;
case 3:
trailerField = DerInteger.GetInstance(o, true);
break;
default:
throw new ArgumentException("unknown tag");
}
}
}
public DigestInfo(
AlgorithmIdentifier algID,
byte[] digest)
{
this.digest = digest;
this.algID = algID;
}
public MessageImprint(
AlgorithmIdentifier hashAlgorithm,
byte[] hashedMessage)
{
this.hashAlgorithm = hashAlgorithm;
this.hashedMessage = hashedMessage;
}
/**
* The default version
*/
public RsassaPssParameters()
{
hashAlgorithm = DefaultHashAlgorithm;
maskGenAlgorithm = DefaultMaskGenFunction;
saltLength = DefaultSaltLength;
trailerField = DefaultTrailerField;
}
public OriginatorPublicKey(
AlgorithmIdentifier algorithm,
byte[] publicKey)
{
this.algorithm = algorithm;
this.publicKey = new DerBitString(publicKey);
}
private PbmParameter(Asn1Sequence seq)
{
salt = Asn1OctetString.GetInstance(seq[0]);
owf = AlgorithmIdentifier.GetInstance(seq[1]);
iterationCount = DerInteger.GetInstance(seq[2]);
mac = AlgorithmIdentifier.GetInstance(seq[3]);
}
public CompressedData(
Asn1Sequence seq)
{
this.version = (DerInteger) seq[0];
this.compressionAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
this.encapContentInfo = ContentInfo.GetInstance(seq[2]);
}
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 SubjectPublicKeyInfo(
AlgorithmIdentifier algID,
byte[] publicKey)
{
this.keyData = new DerBitString(publicKey);
this.algID = algID;
}
/**
* Creates a new PKMACValue.
* @param aid CMPObjectIdentifiers.passwordBasedMAC, with PBMParameter
* @param value MAC of the DER-encoded SubjectPublicKeyInfo
*/
public PKMacValue(
AlgorithmIdentifier algID,
DerBitString macValue)
{
this.algID = algID;
this.macValue = macValue;
}
public AuthenticatedData(
OriginatorInfo originatorInfo,
Asn1Set recipientInfos,
AlgorithmIdentifier macAlgorithm,
AlgorithmIdentifier digestAlgorithm,
ContentInfo encapsulatedContent,
Asn1Set authAttrs,
Asn1OctetString mac,
Asn1Set unauthAttrs)
{
if (digestAlgorithm != null || authAttrs != null)
{
if (digestAlgorithm == null || authAttrs == null)
{
throw new ArgumentException("digestAlgorithm and authAttrs must be set together");
}
}
version = new DerInteger(CalculateVersion(originatorInfo));
this.originatorInfo = originatorInfo;
this.macAlgorithm = macAlgorithm;
this.digestAlgorithm = digestAlgorithm;
this.recipientInfos = recipientInfos;
this.encapsulatedContentInfo = encapsulatedContent;
this.authAttrs = authAttrs;
this.mac = mac;
this.unauthAttrs = unauthAttrs;
}
public EncryptedPrivateKeyInfo(
AlgorithmIdentifier algId,
byte[] encoding)
{
this.algId = algId;
this.data = new DerOctetString(encoding);
}
public CompressedDataParser(
Asn1SequenceParser seq)
{
this._version = (DerInteger)seq.ReadObject();
this._compressionAlgorithm = AlgorithmIdentifier.GetInstance(seq.ReadObject().ToAsn1Object());
this._encapContentInfo = new ContentInfoParser((Asn1SequenceParser)seq.ReadObject());
}
public EncryptedContentInfoParser(
Asn1SequenceParser seq)
{
_contentType = (DerObjectIdentifier)seq.ReadObject();
_contentEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq.ReadObject().ToAsn1Object());
_encryptedContent = (Asn1TaggedObjectParser)seq.ReadObject();
}
public RsaesOaepParameters(
Asn1Sequence seq)
{
hashAlgorithm = DefaultHashAlgorithm;
maskGenAlgorithm = DefaultMaskGenFunction;
pSourceAlgorithm = DefaultPSourceAlgorithm;
for (int i = 0; i != seq.Count; i++)
{
Asn1TaggedObject o = (Asn1TaggedObject)seq[i];
switch (o.TagNo)
{
case 0:
hashAlgorithm = AlgorithmIdentifier.GetInstance(o, true);
break;
case 1:
maskGenAlgorithm = AlgorithmIdentifier.GetInstance(o, true);
break;
case 2:
pSourceAlgorithm = AlgorithmIdentifier.GetInstance(o, true);
break;
default:
throw new ArgumentException("unknown tag");
}
}
}
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 PbmParameter(
byte[] salt,
AlgorithmIdentifier owf,
int iterationCount,
AlgorithmIdentifier mac)
: this(new DerOctetString(salt), owf, new DerInteger(iterationCount), mac)
{
}
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];
}
public CompressedData(
AlgorithmIdentifier compressionAlgorithm,
ContentInfo encapContentInfo)
{
this.version = new DerInteger(0);
this.compressionAlgorithm = compressionAlgorithm;
this.encapContentInfo = encapContentInfo;
}
internal TbsCertificateStructure(
Asn1Sequence seq)
{
int seqStart = 0;
this.seq = seq;
//
// some certficates don't include a version number - we assume v1
//
if (seq[0] is DerTaggedObject)
{
version = DerInteger.GetInstance((Asn1TaggedObject)seq[0], true);
}
else
{
seqStart = -1; // field 0 is missing!
version = new DerInteger(0);
}
serialNumber = DerInteger.GetInstance(seq[seqStart + 1]);
signature = AlgorithmIdentifier.GetInstance(seq[seqStart + 2]);
issuer = X509Name.GetInstance(seq[seqStart + 3]);
//
// before and after dates
//
Asn1Sequence dates = (Asn1Sequence)seq[seqStart + 4];
startDate = Time.GetInstance(dates[0]);
endDate = Time.GetInstance(dates[1]);
subject = X509Name.GetInstance(seq[seqStart + 5]);
//
// public key info.
//
subjectPublicKeyInfo = SubjectPublicKeyInfo.GetInstance(seq[seqStart + 6]);
for (int extras = seq.Count - (seqStart + 6) - 1; extras > 0; extras--)
{
DerTaggedObject extra = (DerTaggedObject) seq[seqStart + 6 + extras];
switch (extra.TagNo)
{
case 1:
issuerUniqueID = DerBitString.GetInstance(extra, false);
break;
case 2:
subjectUniqueID = DerBitString.GetInstance(extra, false);
break;
case 3:
extensions = X509Extensions.GetInstance(extra);
break;
}
}
}
public PrivateKeyInfo(
AlgorithmIdentifier algID,
Asn1Object privateKey,
Asn1Set attributes)
{
this.algID = algID;
this.privKey = new DerOctetString(privateKey.GetEncoded(Asn1Encodable.Der));
this.attributes = attributes;
}
private MessageImprint(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
this.hashedMessage = Asn1OctetString.GetInstance(seq[1]).GetOctets();
}
private DigestInfo(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Wrong number of elements in sequence", "seq");
algID = AlgorithmIdentifier.GetInstance(seq[0]);
digest = Asn1OctetString.GetInstance(seq[1]).GetOctets();
}
public CertificationRequest(
CertificationRequestInfo requestInfo,
AlgorithmIdentifier algorithm,
DerBitString signature)
{
this.reqInfo = requestInfo;
this.sigAlgId = algorithm;
this.sigBits = signature;
}
public EncryptedContentInfo(
DerObjectIdentifier contentType,
AlgorithmIdentifier contentEncryptionAlgorithm,
Asn1OctetString encryptedContent)
{
this.contentType = contentType;
this.contentEncryptionAlgorithm = contentEncryptionAlgorithm;
this.encryptedContent = encryptedContent;
}
private SubjectPublicKeyInfo(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
this.algID = AlgorithmIdentifier.GetInstance(seq[0]);
this.keyData = DerBitString.GetInstance(seq[1]);
}
public RsaesOaepParameters(
AlgorithmIdentifier hashAlgorithm,
AlgorithmIdentifier maskGenAlgorithm,
AlgorithmIdentifier pSourceAlgorithm)
{
this.hashAlgorithm = hashAlgorithm;
this.maskGenAlgorithm = maskGenAlgorithm;
this.pSourceAlgorithm = pSourceAlgorithm;
}