public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode sessionEncryptedKey
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.CONS, 16, elemLen, false))
{
sessionEncryptedKey = new Gost28147_89_EncryptedKey();
sessionEncryptedKey.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode transportParameters
if (context.MatchElemTag(Asn1Tag.CTXT, Asn1Tag.CONS, 0, elemLen, true))
{
transportParameters = new GostR3410_TransportParameters();
transportParameters.Decode(buffer, false, elemLen.Value);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
EncryptedKey = null;
EncryptedParams = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0x20, SequenceTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptedKey = new Gost_28147_89_EncryptedKey();
EncryptedKey.Decode(buffer, true, parsedLen.Value);
if (!context.MatchElemTag(0, 0x20, SequenceTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptedParams = new Gost_28147_89_KeyWrapParams();
EncryptedParams.Decode(buffer, true, parsedLen.Value);
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0x20, 0x10, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
Algorithm = new AlgorithmIdentifier();
Algorithm.Decode(buffer, true, parsedLen.Value);
if (!context.MatchElemTag(0, 0, 3, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
SubjectPublicKey = new Asn1BitString();
SubjectPublicKey.Decode(buffer, true, parsedLen.Value);
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
EncryptionParamSet = null;
Ukm = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptionParamSet = new Gost_28147_89_ParamSet();
EncryptionParamSet.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0, 0, OctetStringTypeCode, parsedLen, false))
{
Ukm = new Asn1OctetString();
Ukm.Decode(buffer, true, parsedLen.Value);
if (Ukm.Length != 8)
{
throw ExceptionUtility.CryptographicException(Resources.Asn1ConsVioException, nameof(Ukm.Length), Ukm.Length);
}
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw new Exception("Asn1MissingRequiredException");
}
PublicKeyParamSet = new Asn1ObjectIdentifier();
PublicKeyParamSet.Decode(buffer, true, parsedLen.Value);
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw new Exception("Asn1MissingRequiredException");
}
DigestParamSet = new Asn1ObjectIdentifier();
DigestParamSet.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
EncryptionParamSet = new Gost2814789ParamSet();
EncryptionParamSet.Decode(buffer, true, parsedLen.Value);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, 6, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
_publicKeyParamSet = new Asn1ObjectIdentifier();
_publicKeyParamSet.Decode(buffer, true, parsedLen.Value);
if (!context.MatchElemTag(0, 0, 6, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
_digestParamSet = new Asn1ObjectIdentifier();
_digestParamSet.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0, 0, 6, parsedLen, false))
{
_encryptionParamSet = new Gost2814789ParamSet();
_encryptionParamSet.Decode(buffer, true, parsedLen.Value);
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode encryptionParamSet
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
encryptionParamSet = new Gost28147_89_ParamSet();
encryptionParamSet.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode ephemeralPublicKey
if (context.MatchElemTag(Asn1Tag.CTXT, Asn1Tag.CONS, 0, elemLen, true))
{
ephemeralPublicKey = new SubjectPublicKeyInfo();
ephemeralPublicKey.Decode(buffer, false, elemLen.Value);
}
// decode ukm
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 4, elemLen, false))
{
ukm = new Asn1OctetString();
ukm.Decode(buffer, true, elemLen.Value);
if (!(ukm.Length == 8))
{
throw new Exception("Asn1ConsVioException (ukm.Length, ukm.Length)");
}
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode encryptedKey
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 4, elemLen, false))
{
encryptedKey = new Gost28147_89_Key();
encryptedKey.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException");
}
// decode maskKey
if (context.MatchElemTag(Asn1Tag.CTXT, Asn1Tag.PRIM, 0, elemLen, true))
{
maskKey = new Gost28147_89_Key();
maskKey.Decode(buffer, false, elemLen.Value);
}
// decode macKey
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 4, elemLen, false))
{
macKey = new Gost28147_89_MAC();
macKey.Decode(buffer, true, elemLen.Value);
if (!(macKey.Length == 4))
{
throw new Exception("Asn1ConsVioException");
}
}
else
{
throw new Exception("Asn1MissingRequiredException");
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Algorithm = null;
Parameters = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
Algorithm = new Asn1ObjectIdentifier();
Algorithm.Decode(buffer, true, parsedLen.Value);
if (!context.Expired())
{
Parameters = new Asn1OpenType();
Parameters.Decode(buffer, true, 0);
}
CheckAlg(true);
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode publicKeyParamSet
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
publicKeyParamSet = new Asn1ObjectIdentifier();
publicKeyParamSet.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode digestParamSet
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
digestParamSet = new Asn1ObjectIdentifier();
digestParamSet.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode encryptionParamSet
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
encryptionParamSet = new Gost28147_89_ParamSet();
encryptionParamSet.Decode(buffer, true, elemLen.Value);
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.SEQUENCE) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext _context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode type
if (_context.MatchElemTag(Asn1Tag.UNIV, Asn1Tag.PRIM, 4, elemLen, false))
{
type = new AttributeDescription();
type.Decode(buffer, true, elemLen.mValue);
}
else
{
throw new Asn1MissingRequiredException(buffer);
}
// decode vals
if (_context.MatchElemTag(Asn1Tag.UNIV, Asn1Tag.CONS, 17, elemLen, false))
{
vals = new _SetOfAttributeValue();
vals.Decode(buffer, true, elemLen.mValue);
}
else
{
throw new Asn1MissingRequiredException(buffer);
}
if (explicitTagging && llen == Asn1Status.INDEFLEN)
{
MatchTag(buffer, Asn1Tag.EOC);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
PublicKeyParamSet = null;
DigestParamSet = null;
EncryptionParamSet = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
PublicKeyParamSet = new Asn1ObjectIdentifier();
PublicKeyParamSet.Decode(buffer, true, parsedLen.Value);
}
else
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
if (context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
DigestParamSet = new Asn1ObjectIdentifier();
DigestParamSet.Decode(buffer, true, parsedLen.Value);
}
if (context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
EncryptionParamSet = new Asn1ObjectIdentifier();
EncryptionParamSet.Decode(buffer, true, parsedLen.Value);
}
if (!context.Expired())
{
var lastTag = buffer.PeekTag();
if (lastTag.Equals(0, 0, ObjectIdentifierTypeCode))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1SeqOrderException);
}
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode algorithm
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.CONS, 16, elemLen, false))
{
algorithm = new AlgorithmIdentifier();
algorithm.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode subjectPublicKey
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 3, elemLen, false))
{
subjectPublicKey = new Asn1BitString();
subjectPublicKey.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
EncryptedKey = null;
MacKey = null;
MaskKey = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, OctetStringTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptedKey = new Gost_28147_89_Key();
EncryptedKey.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0x80, 0, EocTypeCode, parsedLen, true))
{
MaskKey = new Gost_28147_89_Key();
MaskKey.Decode(buffer, false, parsedLen.Value);
}
if (!context.MatchElemTag(0, 0, OctetStringTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
MacKey = new Gost_28147_89_Mac();
MacKey.Decode(buffer, true, parsedLen.Value);
if (MacKey.Length != 4)
{
throw ExceptionUtility.CryptographicException(Resources.Asn1ConsVioException, nameof(MacKey.Length), MacKey.Length);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0x20, SequenceTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
SessionEncryptedKey = new Gost2814789EncryptedKey();
SessionEncryptedKey.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0x80, 0x20, EocTypeCode, parsedLen, true))
{
TransportParameters = new GostR3410TransportParameters();
TransportParameters.Decode(buffer, false, parsedLen.Value);
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode encryptionParamSet
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
encryptionParamSet = new Gost28147_89_ParamSet();
encryptionParamSet.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException");
}
// decode extElem1
if (!context.Expired())
{
Asn1Tag _tag = buffer.PeekTag();
if (_tag.Equals(Asn1Tag.Universal, Asn1Tag.PRIM, 6))
{
throw new Exception("Asn1SeqOrderException");
}
else
{
extElem1 = new Asn1OpenExt();
while (!context.Expired())
{
extElem1.DecodeComponent(buffer);
}
}
}
else
{
extElem1 = null;
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptionParamSet = new Gost2814789ParamSet();
EncryptionParamSet.Decode(buffer, true, parsedLen.Value);
if (context.MatchElemTag(0x80, 0x20, EocTypeCode, parsedLen, true))
{
EphemeralPublicKey = new SubjectPublicKeyInfo();
EphemeralPublicKey.Decode(buffer, false, parsedLen.Value);
}
if (!context.MatchElemTag(0, 0, OctetStringTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
Ukm = new Asn1OctetString();
Ukm.Decode(buffer, true, parsedLen.Value);
if (Ukm.Length != 8)
{
throw ExceptionUtility.CryptographicException(Resources.Asn1ConsVioException, "Ukm.Length", Ukm.Length);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var elemLength = explicitTagging ? MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
EncryptionParamSet = null;
ExtElement = null;
var context = new Asn1BerDecodeContext(buffer, elemLength);
var parsedLen = new IntHolder();
if (!context.MatchElemTag(0, 0, ObjectIdentifierTypeCode, parsedLen, false))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1MissingRequiredException, buffer.ByteCount);
}
EncryptionParamSet = new Gost_28147_89_ParamSet();
EncryptionParamSet.Decode(buffer, true, parsedLen.Value);
if (!context.Expired())
{
if (buffer.PeekTag().Equals(0, 0, ObjectIdentifierTypeCode))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1SeqOrderException);
}
ExtElement = new Asn1OpenExt();
while (!context.Expired())
{
ExtElement.DecodeComponent(buffer);
}
}
else
{
ExtElement = null;
}
}
public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag(buffer, Asn1Tag.Sequence) : implicitLength;
Init();
// decode SEQUENCE
Asn1BerDecodeContext context =
new Asn1BerDecodeContext(buffer, llen);
IntHolder elemLen = new IntHolder();
// decode algorithm
if (context.MatchElemTag(Asn1Tag.Universal, Asn1Tag.PRIM, 6, elemLen, false))
{
algorithm = new Asn1ObjectIdentifier();
algorithm.Decode(buffer, true, elemLen.Value);
}
else
{
throw new Exception("Asn1MissingRequiredException (buffer)");
}
// decode parameters
if (!context.Expired())
{
parameters = new Asn1OpenType();
parameters.Decode(buffer, true, 0);
}
checkTC(true);
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = (explicitTagging) ?
MatchTag (buffer, Asn1Tag.SEQUENCE) : implicitLength;
Init ();
// decode SEQUENCE
Asn1BerDecodeContext _context =
new Asn1BerDecodeContext (buffer, llen);
IntHolder elemLen = new IntHolder();
// decode type
if (_context.MatchElemTag (Asn1Tag.UNIV, Asn1Tag.PRIM, 4, elemLen, false)) {
type = new AttributeDescription();
type.Decode (buffer, true, elemLen.mValue);
}
else throw new Asn1MissingRequiredException (buffer);
// decode vals
if (_context.MatchElemTag (Asn1Tag.UNIV, Asn1Tag.CONS, 17, elemLen, false)) {
vals = new _SetOfAttributeValue();
vals.Decode (buffer, true, elemLen.mValue);
}
else throw new Asn1MissingRequiredException (buffer);
if (explicitTagging && llen == Asn1Status.INDEFLEN) {
MatchTag (buffer, Asn1Tag.EOC);
}
}