{"id": "card_works_hash", "kind": "verified", "title": "Cryptographic strength: a fingerprint and a cipher", "body": "SHA-256 of the three letters 'abc' is a fixed 256-bit fingerprint — change one bit and it changes utterly (the property this engine's seals rest on) — and a 256-bit AES key is, by the standard, strong.  Worked & sealed by the engine — SHA-256('abc') = ba7816bf…20015ad · AES-256 → strong.  [HOLDS; open the seal to re-check.]", "source": {"label": "The Works — worked & sealed", "url": "https://narrowhighway.com/s/1a03cb1dec31927ed79dba953c099332e9d8daa92ea13a959a8549c5ac585989", "domain": "cryptography", "authority_tier": "verified"}, "shelf": "the-works", "box": "engineering", "bands": ["the-works", "engineering", "cryptography", "cryptography"], "connections": [{"to_card_id": "card_spine_the-works", "relationship": "member_of", "evidence": "a member of the the-works shelf in the keeping"}, {"to_card_id": "card_k_floor_of_discovery", "relationship": "paves", "evidence": "A worked, engine-sealed demonstration — a paving-stone of the floor of reality."}, {"to_card_id": "card_v_9560b3d2e0c0", "relationship": "demonstrates", "evidence": "A worked demonstration in the same field (cryptography)."}, {"to_card_id": "card_v_4adee145bcb5", "relationship": "demonstrates", "evidence": "A worked demonstration in the same field (cryptography)."}, {"to_card_id": "card_works_ohms_law", "relationship": "adjacent", "evidence": "Neighbouring worked demonstrations in the same part of the volume."}, {"to_card_id": "card_works_password", "relationship": "adjacent", "evidence": "Neighbouring worked demonstrations in the same part of the volume."}, {"to_card_id": "card_works_density", "relationship": "adjacent", "evidence": "Neighbouring worked demonstrations in the same part of the volume."}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "subject": "Cryptography", "extra": {"seal_hash": "1a03cb1dec31927ed79dba953c099332e9d8daa92ea13a959a8549c5ac585989", "cite_url": "https://narrowhighway.com/s/1a03cb1dec31927ed79dba953c099332e9d8daa92ea13a959a8549c5ac585989", "demonstration_id": "works_hash", "verdict": "HOLDS"}, "presentation": {"glyph": "•", "kind_label": "engineering", "by": "The Works — worked & sealed", "authority": "verified", "posted": "", "standing": "", "link": {"url": "https://narrowhighway.com/s/1a03cb1dec31927ed79dba953c099332e9d8daa92ea13a959a8549c5ac585989", "host": "narrowhighway.com", "provider": "", "titled": "Cryptographic strength: a fingerprint and a cipher", "waybill_line": "", "reach": "", "embed": ""}}, "neighbors": [{"id": "card_spine_the-works", "title": "The Works — sealed, worked demonstrations", "relationship": "on the shelf of", "why": "a member of the the-works shelf in the keeping", "href": "/card/card_spine_the-works", "resolved": true}, {"id": "card_k_floor_of_discovery", "title": "The Floor of Discovery — one floor, and by its design the fear of God", "relationship": "paves", "why": "A worked, engine-sealed demonstration — a paving-stone of the floor of reality.", "href": "/card/card_k_floor_of_discovery", "resolved": true}, {"id": "card_v_9560b3d2e0c0", "title": "SHA-256('abc') = ba7816bf…20015ad · AES-256 → strong", "relationship": "demonstrates", "why": "A worked demonstration in the same field (cryptography).", "href": "/card/card_v_9560b3d2e0c0", "resolved": true}, {"id": "card_v_4adee145bcb5", "title": "SHA-256('abc') = ba7816bf…20015ad", "relationship": "demonstrates", "why": "A worked demonstration in the same field (cryptography).", "href": "/card/card_v_4adee145bcb5", "resolved": true}, {"id": "card_works_ohms_law", "title": "A 12-volt circuit: the current it draws, the power it burns", "relationship": "adjacent", "why": "Neighbouring worked demonstrations in the same part of the volume.", "href": "/card/card_works_ohms_law", "resolved": true}, {"id": "card_works_password", "title": "The strength of a password, in bits", "relationship": "adjacent", "why": "Neighbouring worked demonstrations in the same part of the volume.", "href": "/card/card_works_password", "resolved": true}, {"id": "card_works_density", "title": "Density from mass and volume", "relationship": "adjacent", "why": "Neighbouring worked demonstrations in the same part of the volume.", "href": "/card/card_works_density", "resolved": true}]}