ContentType » History » Revision 22
Revision 21 (Varun Patil, 02/07/2025 10:12 PM) → Revision 22/23 (Varun Patil, 02/07/2025 10:13 PM)
# ContentType The following table defines the currently assigned values for the `ContentType` element in NDN Data packets. ContentType | Value (dec) | Description of the content | Reference -------------|-------------|----------------------------|---------- Blob | 0 | Payload identified by the data name; this is the default ContentType | [NDN packet spec](https://docs.named-data.net/NDN-packet-spec/current/data.html) Link | 1 | Another name which identifies the actual data content | [Link object](https://docs.named-data.net/NDN-packet-spec/current/link.html) Key | 2 | Public key; certificate | [Certificate](https://docs.named-data.net/NDN-packet-spec/current/certificate.html) Nack | 3 | Application-level NACK | [NDN packet spec](https://docs.named-data.net/NDN-packet-spec/current/data.html) Manifest | 4 | Manifest | #3301 PrefixAnnouncement | 5 | Prefix announcement object | [[nfd:PrefixAnnouncement]] EncapsulatedData | 6 | Encapsulated Data packet | Used by SVS-PS SigningKey | 9 | Unencrypted asymmetric private key for signing | Used by NDNd *(reserved)* | 8-1023 | Reserved for future assignments FLIC | 1024 | File-Like ICN Collection (FLIC) | [draft-irtf-icnrg-flic](https://datatracker.ietf.org/doc/draft-irtf-icnrg-flic/) *Experimentation range* | 9000-9999 | Reserved for experimentation | ## Experimentation range TBD ## References https://docs.named-data.net/NDN-packet-spec/current/data.html#contenttype