public EncryptionConfig(UserAccessPermissions perms)
{
this.m_IsEncrypt = false;
this.m_OwnerPassword = null;
this.m_UserPassword = null;
this.m_Permissions = perms;
}
private PDFString CreateRecipientString(X509Certificate cert, UserAccessPermissions perm, int keyLength)
{
PDFString text1 = Library.CreateString("");
ASN1 asn1 = new ASN1(48);
asn1.Add(ASN1Convert.FromOID("1.2.840.113549.1.7.3"));
ASN1 asn2 = new ASN1(160);
byte[] numArray1 = new byte[1];
asn2.Add(new ASN1(2, numArray1));
ASN1 asn3 = new ASN1(48);
ASN1 asn4 = new ASN1(48);
asn3.Add(asn4);
new ASN1(2, cert.GetSerialNumber());
return(text1);
}
public EncryptionDictionary(string filter, EncryptionAlgorithmCode encryptionAlgorithmCode,
int?keyLength,
int revision,
byte[] ownerBytes,
byte[] userBytes,
byte[] ownerEncryptionBytes,
byte[] userEncryptionBytes,
UserAccessPermissions userAccessPermissions,
DictionaryToken dictionary,
bool encryptMetadata)
{
Filter = filter;
EncryptionAlgorithmCode = encryptionAlgorithmCode;
KeyLength = keyLength;
Revision = revision;
OwnerBytes = ownerBytes;
UserBytes = userBytes;
OwnerEncryptionBytes = ownerEncryptionBytes;
UserEncryptionBytes = userEncryptionBytes;
UserAccessPermissions = userAccessPermissions;
Dictionary = dictionary;
EncryptMetadata = encryptMetadata;
}
public static EncryptionStandard Create(string ownerPassword, string userPassword, UserAccessPermissions perm, int keyLength, bool encMetadata)
{
if (ownerPassword == null)
{
ownerPassword = "";
}
if (userPassword == null)
{
userPassword = "";
}
EncryptionStandard standard1 = new EncryptionStandard();
standard1.mUserPassword = userPassword;
standard1.mOwnerPassword = ownerPassword;
standard1.mPerm = ((uint)perm);
standard1.mKeyLength = keyLength;
standard1.mRev = 3;
standard1.mV = 2;
standard1.mEncMetadata = encMetadata;
return(standard1);
}
