Initial checkin1.5.6

1 files changed, 62 insertions, 0 deletions

diff --git a/src/asn1_att.cpp b/src/asn1_att.cpp
new file mode 100644
index 000000000..58ed761b4
--- /dev/null
+++ b/src/asn1_att.cpp
@@ -0,0 +1,62 @@
+/*************************************************
+* Attribute Source File                          *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#include <botan/asn1_obj.h>
+#include <botan/oids.h>
+
+namespace Botan {
+
+/*************************************************
+* Create an Attribute                            *
+*************************************************/
+Attribute::Attribute(const OID& attr_oid, const MemoryRegion<byte>& attr_value)
+   {
+   oid = attr_oid;
+   parameters = attr_value;
+   }
+
+/*************************************************
+* Create an Attribute                            *
+*************************************************/
+Attribute::Attribute(const std::string& attr_oid,
+                     const MemoryRegion<byte>& attr_value)
+   {
+   oid = OIDS::lookup(attr_oid);
+   parameters = attr_value;
+   }
+
+/*************************************************
+* DER encode a Attribute                         *
+*************************************************/
+void Attribute::encode_into(DER_Encoder& der) const
+   {
+   der.start_sequence()
+      .encode(oid)
+      .start_set()
+         .add_raw_octets(parameters)
+      .end_set()
+   .end_sequence();
+   }
+
+namespace BER {
+
+/*************************************************
+* Decode a BER encoded Attribute                 *
+*************************************************/
+void decode(BER_Decoder& source, Attribute& attr)
+   {
+   BER_Decoder decoder = BER::get_subsequence(source);
+   BER::decode(decoder, attr.oid);
+
+   BER_Decoder attributes = BER::get_subset(decoder);
+   attr.parameters = attributes.get_remaining();
+   attributes.verify_end();
+
+   decoder.verify_end();
+   }
+
+}
+
+}