[Ndn-interest] The signature of NDN Data packet

Hu, Xiaoyan xhbreezehu at gmail.com
Wed Jan 10 17:53:29 PST 2018


Hi Teng,

Thank you so much for your explanation.

Best Regards,
Xiaoyan

On Thu, Jan 11, 2018 at 1:33 AM, Teng Liang <philoliang at email.arizona.edu>
wrote:

> Hi Xiaoyan,
> I would suggest you read the format specifications about each TLV block
> inside the Data structure (http://named-data.net/doc/NDN-TLV/current/).
>
> For example, here is the specification of the Signature format (
> http://named-data.net/doc/NDN-TLV/current/signature.html)
>
> According to the documentation, several types of signature are supported,
> such as SignatureSha256WithRsa. Using SignatureSha256WithRsa, a producer
> first calculates SHA256 hash of the Name, MetaInfo, Content and
> SignatureInfo, then the producer signs the SHA256 hash using an RSA private
> key.
>
> Teng
>
>
>
> On 1/9/18 11:55 PM, Hu, Xiaoyan wrote:
>
> Dear all,
>
> Would you please tell me which fields that the producer of an NDN data
> packets signs?
>
>
> Data ::= DATA-TLV TLV-LENGTH
>            Name
>            MetaInfo
>            Content
>            Signature
>
>
>
> Best Regards,
> Xiaoyan
> Southeast University
>
>
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