public KeyAgreeRecipientInformation(
KeyAgreeRecipientInfo info,
AlgorithmIdentifier encAlg,
Stream data)
: base(encAlg, AlgorithmIdentifier.GetInstance(info.KeyEncryptionAlgorithm), data)
{
_info = info;
// _encAlg = encAlg;
try
{
Asn1Sequence s = _info.RecipientEncryptedKeys;
RecipientEncryptedKey id = RecipientEncryptedKey.GetInstance(s[0]);
Asn1.Cms.IssuerAndSerialNumber iAnds = id.Identifier.IssuerAndSerialNumber;
// byte[] issuerBytes = iAnds.Name.GetEncoded();
_rid = new RecipientID();
// _rid.SetIssuer(issuerBytes);
_rid.Issuer = iAnds.Name;
_rid.SerialNumber = iAnds.SerialNumber.Value;
_encryptedKey = id.EncryptedKey;
}
catch (IOException e)
{
throw new ArgumentException("invalid rid in KeyAgreeRecipientInformation", e);
}
}
internal static void ReadRecipientInfo(IList infos, KeyAgreeRecipientInfo info, CmsSecureReadable secureReadable)
{
try
{
foreach (Asn1Encodable asn1Encodable in info.RecipientEncryptedKeys)
{
RecipientEncryptedKey instance = RecipientEncryptedKey.GetInstance(asn1Encodable.ToAsn1Object());
RecipientID recipientID = new RecipientID();
KeyAgreeRecipientIdentifier identifier = instance.Identifier;
Org.BouncyCastle.Asn1.Cms.IssuerAndSerialNumber issuerAndSerialNumber = identifier.IssuerAndSerialNumber;
if (issuerAndSerialNumber != null)
{
recipientID.Issuer = issuerAndSerialNumber.Name;
recipientID.SerialNumber = issuerAndSerialNumber.SerialNumber.Value;
}
else
{
RecipientKeyIdentifier rKeyID = identifier.RKeyID;
recipientID.SubjectKeyIdentifier = rKeyID.SubjectKeyIdentifier.GetOctets();
}
infos.Add(new KeyAgreeRecipientInformation(info, recipientID, instance.EncryptedKey, secureReadable));
}
}
catch (IOException innerException)
{
throw new ArgumentException("invalid rid in KeyAgreeRecipientInformation", innerException);
}
}
internal static void ReadRecipientInfo(global::System.Collections.IList infos, KeyAgreeRecipientInfo info, CmsSecureReadable secureReadable)
{
//IL_00bb: Expected O, but got Unknown
//IL_00c2: Unknown result type (might be due to invalid IL or missing references)
try
{
global::System.Collections.IEnumerator enumerator = info.RecipientEncryptedKeys.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
Asn1Encodable asn1Encodable = (Asn1Encodable)enumerator.get_Current();
RecipientEncryptedKey instance = RecipientEncryptedKey.GetInstance(asn1Encodable.ToAsn1Object());
RecipientID recipientID = new RecipientID();
KeyAgreeRecipientIdentifier identifier = instance.Identifier;
Org.BouncyCastle.Asn1.Cms.IssuerAndSerialNumber issuerAndSerialNumber = identifier.IssuerAndSerialNumber;
if (issuerAndSerialNumber != null)
{
recipientID.Issuer = issuerAndSerialNumber.Name;
recipientID.SerialNumber = issuerAndSerialNumber.SerialNumber.Value;
}
else
{
RecipientKeyIdentifier rKeyID = identifier.RKeyID;
recipientID.SubjectKeyIdentifier = rKeyID.SubjectKeyIdentifier.GetOctets();
}
infos.Add((object)new KeyAgreeRecipientInformation(info, recipientID, instance.EncryptedKey, secureReadable));
}
}
finally
{
global::System.IDisposable disposable = enumerator as global::System.IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
catch (IOException val)
{
IOException val2 = val;
throw new ArgumentException("invalid rid in KeyAgreeRecipientInformation", (global::System.Exception)(object) val2);
}
}
internal static void ReadRecipientInfo(IList infos, KeyAgreeRecipientInfo info,
AlgorithmIdentifier encAlg, AlgorithmIdentifier macAlg, AlgorithmIdentifier authEncAlg,
Stream data)
{
try
{
foreach (Asn1Encodable rek in info.RecipientEncryptedKeys)
{
RecipientEncryptedKey id = RecipientEncryptedKey.GetInstance(rek.ToAsn1Object());
RecipientID rid = new RecipientID();
Asn1.Cms.KeyAgreeRecipientIdentifier karid = id.Identifier;
Asn1.Cms.IssuerAndSerialNumber iAndSN = karid.IssuerAndSerialNumber;
if (iAndSN != null)
{
rid.Issuer = iAndSN.Name;
rid.SerialNumber = iAndSN.SerialNumber.Value;
}
else
{
Asn1.Cms.RecipientKeyIdentifier rKeyID = karid.RKeyID;
// Note: 'date' and 'other' fields of RecipientKeyIdentifier appear to be only informational
rid.SubjectKeyIdentifier = rKeyID.SubjectKeyIdentifier.GetOctets();
}
infos.Add(new KeyAgreeRecipientInformation(info, rid, id.EncryptedKey,
encAlg, macAlg, authEncAlg, data));
}
}
catch (IOException e)
{
throw new ArgumentException("invalid rid in KeyAgreeRecipientInformation", e);
}
}