{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NHYKRUNP4NAL5N3VGDSNYCHWOF","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6f779857a673542230ca37c5f301fcfb3983ebc6d72e87f222bca21f7d013552","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2018-06-21T05:07:32Z","title_canon_sha256":"ea5d57763f7b7ac502f82e266b0d32cf577fd84c2cb6f47b458f277f0623783e"},"schema_version":"1.0","source":{"id":"1806.09523","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.09523","created_at":"2026-05-18T00:04:44Z"},{"alias_kind":"arxiv_version","alias_value":"1806.09523v2","created_at":"2026-05-18T00:04:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.09523","created_at":"2026-05-18T00:04:44Z"},{"alias_kind":"pith_short_12","alias_value":"NHYKRUNP4NAL","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NHYKRUNP4NAL5N3V","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NHYKRUNP","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:8f361fb3bc0af2c390a50497c750851ed94caac1360f82971bf8cb7b88f5177a","target":"graph","created_at":"2026-05-18T00:04:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Security of multimedia data is a major concern due to its widespread transmission over various communication channels. Hence design and study of good image encryption schemes has become a major research topic. During the last few decades, there has been a increasing in chaos-based cryptography. This paper proposes an attack on a recently proposed chaos based image encryption scheme. The cryptosystem under study proceed by first shuffling the original image to disturb the arrangement of pixels by applying a chaotic map several times. Second, a keystream is generated using Chen's chaotic system ","authors_text":"Abhishek Bhattacharya, Krishnendu Rarhi, Pratyusa Mukherjee","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2018-06-21T05:07:32Z","title":"Cryptanalysis of a Chaotic Key based Image Encryption Scheme"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.09523","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a5a2536a30e56cdc87f307021e39659fc02e8c043f0437db2b9b08193a204bd6","target":"record","created_at":"2026-05-18T00:04:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6f779857a673542230ca37c5f301fcfb3983ebc6d72e87f222bca21f7d013552","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2018-06-21T05:07:32Z","title_canon_sha256":"ea5d57763f7b7ac502f82e266b0d32cf577fd84c2cb6f47b458f277f0623783e"},"schema_version":"1.0","source":{"id":"1806.09523","kind":"arxiv","version":2}},"canonical_sha256":"69f0a8d1afe340beb77530e4dc08f67145ef915e740d96d90a192ed3c918d48c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69f0a8d1afe340beb77530e4dc08f67145ef915e740d96d90a192ed3c918d48c","first_computed_at":"2026-05-18T00:04:44.634927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:44.634927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sOdwOsBI3C4Hjb505yxAsDCiISj0KbW+JztqXE1cKInrnvsrDVJfTG+946wZpWrizYnu0XR79bRe8qVdZqPdAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:44.635535Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.09523","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5a2536a30e56cdc87f307021e39659fc02e8c043f0437db2b9b08193a204bd6","sha256:8f361fb3bc0af2c390a50497c750851ed94caac1360f82971bf8cb7b88f5177a"],"state_sha256":"14496682b348c7d7a7d7dae05d31f254ebcc2e7818911ed74430ffb1b0e35389"}