1 files changed, 63 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/X509DefaultEntryConverter.cs b/Crypto/src/asn1/x509/X509DefaultEntryConverter.cs
new file mode 100644
index 000000000..7282ead26
--- /dev/null
+++ b/Crypto/src/asn1/x509/X509DefaultEntryConverter.cs
@@ -0,0 +1,63 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+ /**
+ * The default converter for X509 DN entries when going from their
+ * string value to ASN.1 strings.
+ */
+ public class X509DefaultEntryConverter
+ : X509NameEntryConverter
+ {
+ /**
+ * Apply default conversion for the given value depending on the oid
+ * and the character range of the value.
+ *
+ * @param oid the object identifier for the DN entry
+ * @param value the value associated with it
+ * @return the ASN.1 equivalent for the string value.
+ */
+ public override Asn1Object GetConvertedValue(
+ DerObjectIdentifier oid,
+ string value)
+ {
+ if (value.Length != 0 && value[0] == '#')
+ {
+ try
+ {
+ return ConvertHexEncoded(value, 1);
+ }
+ catch (IOException)
+ {
+ throw new Exception("can't recode value for oid " + oid.Id);
+ }
+ }
+
+ if (value.Length != 0 && value[0] == '\\')
+ {
+ value = value.Substring(1);
+ }
+
+ if (oid.Equals(X509Name.EmailAddress) || oid.Equals(X509Name.DC))
+ {
+ return new DerIA5String(value);
+ }
+
+ if (oid.Equals(X509Name.DateOfBirth)) // accept time string as well as # (for compatibility)
+ {
+ return new DerGeneralizedTime(value);
+ }
+
+ if (oid.Equals(X509Name.C)
+ || oid.Equals(X509Name.SerialNumber)
+ || oid.Equals(X509Name.DnQualifier)
+ || oid.Equals(X509Name.TelephoneNumber))
+ {
+ return new DerPrintableString(value);
+ }
+
+ return new DerUtf8String(value);
+ }
+ }
+}
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