SignatureType » History » Revision 8
Revision 7 (Davide Pesavento, 05/28/2022 02:32 PM) → Revision 8/9 (Junxiao Shi, 04/13/2026 08:47 PM)
# SignatureType The following table defines the currently assigned values for the SignatureType element in NDN Interest and Data packets. SignatureType | Value (dec) | Description | Reference ----------------------|-------------|-------------|---------- Sha256 | 0 | Integrity protection using a SHA-256 digest | [DigestSha256](https://named-data.net/doc/NDN-packet-spec/current/signature.html#digestsha256) Sha256WithRsa | 1 | Integrity and provenance protection using an RSA signature over a SHA-256 digest | [SignatureSha256WithRsa](https://named-data.net/doc/NDN-packet-spec/current/signature.html#signaturesha256withrsa) *(reserved)* | 2 | Reserved for future assignments | Sha256WithEcdsa | 3 | Integrity and provenance protection using an ECDSA signature over a SHA-256 digest | [SignatureSha256WithEcdsa](https://named-data.net/doc/NDN-packet-spec/current/signature.html#signaturesha256withecdsa) HmacSha256 | 4 | Integrity and provenance protection using a SHA-256 hash-based message authentication code | [SignatureHmacWithSha256](https://named-data.net/doc/NDN-packet-spec/current/signature.html#signaturehmacwithsha256) Ed25519 | 5 | Integrity and provenance protection using an Ed25519 signature | [SignatureEd25519](https://named-data.net/doc/NDN-packet-spec/current/signature.html#signatureed25519) Blake3 | 6 | Integrity protection using a BLAKE3 digest | [Plain BLAKE3 digest](https://quarmire.github.io/ndn-rs/wiki/reference/spec-compliance.html#security) Blake3Keyed | 7 | Integrity and provenance protection using a BLAKE3 digest with 32-byte shared secret | [Keyed BLAKE3](https://quarmire.github.io/ndn-rs/wiki/reference/spec-compliance.html#security) *(reserved)* | 8-199 6-199 | Reserved for future assignments | Null | 200 | Empty signature for testing and experimentation | [[NullSignature]] ## References https://named-data.net/doc/NDN-packet-spec/current/signature.html#signaturetype