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Encoding for Robust Immutable Storage (ERIS)

[Encoding for Robust Immutable Storage (ERIS)]

The Encoding for Robust Immutable Storage (ERIS) is an encoding of content into a set of uniformly sized, encrypted and content-addressed blocks as well as a short identifier (a URN). The content can be reassembled from the encrypted blocks only with this identifier (the read capability). ERIS is a form of content-addressing. The identifier of some encoded content depends on the content itself and is independent of the physical location of where the content is stored (unlike content addressed by URLs). This enables content to be replicated and cached, making systems relying on the content more robust.

Unlike other forms of content-addressing (e.g. IPFS), ERIS encrypts content into uniformly sized blocks for storage and transport. This allows peers without access to the read capability to transport and cache content without being able to read the content. ERIS is defined independent of any specific protocol or application and decouples content from transport and storage layers.

The project will release version 1.0.0 after handling feedback from security audit, provide implementations in popular languages to facilitate wider usage (e.g. C library, JS library on NPM), perform a number of core integrations into various transport and storage layers (e.g. GNUNet, HTTP, CoAP, S3), and deliver Block Storage Management (quotas, garbage collection and synchronization for caching peers).

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This project was funded through the NGI Assure Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 957073. Applications are still open, you can apply today.

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Please check out NLnet's theme funds, such as NGI Assure and the User Operated Internet Fund.

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