{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:H5A6IIDGATBF3OHML22DLYS7HH","short_pith_number":"pith:H5A6IIDG","canonical_record":{"source":{"id":"1007.3862","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2010-07-22T12:01:21Z","cross_cats_sorted":[],"title_canon_sha256":"45fdcae7292dd4fc3e49624fd26a3f8cebffb26170f8f7f446fd2fd85dc8bf37","abstract_canon_sha256":"c93e119356205ccb2a76c82ad3a7f7b928f61d9275599180badead7668bedf9c"},"schema_version":"1.0"},"canonical_sha256":"3f41e4206604c25db8ec5eb435e25f39ff7d570ecd69478a0ec2bafb58ca3938","source":{"kind":"arxiv","id":"1007.3862","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.3862","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"arxiv_version","alias_value":"1007.3862v2","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3862","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"pith_short_12","alias_value":"H5A6IIDGATBF","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H5A6IIDGATBF3OHM","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H5A6IIDG","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:H5A6IIDGATBF3OHML22DLYS7HH","target":"record","payload":{"canonical_record":{"source":{"id":"1007.3862","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2010-07-22T12:01:21Z","cross_cats_sorted":[],"title_canon_sha256":"45fdcae7292dd4fc3e49624fd26a3f8cebffb26170f8f7f446fd2fd85dc8bf37","abstract_canon_sha256":"c93e119356205ccb2a76c82ad3a7f7b928f61d9275599180badead7668bedf9c"},"schema_version":"1.0"},"canonical_sha256":"3f41e4206604c25db8ec5eb435e25f39ff7d570ecd69478a0ec2bafb58ca3938","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:31.383672Z","signature_b64":"LpKPzcGK+0o58CyWroyHj0UwLmmelplU6yKiuoKMx/OgcewcaVM0o7SUUnnzXn0wCLi9eRGWR/Y1CL5cNYCHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f41e4206604c25db8ec5eb435e25f39ff7d570ecd69478a0ec2bafb58ca3938","last_reissued_at":"2026-05-18T01:03:31.383125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:31.383125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.3862","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:03:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LLrKO0V4ZULLfW093bf3NnJ/1hsbLWAhwApwagI3H6JGaY+idYYDsuVHYZQy7NSLyhYroJiTfo4Xo/jy94QRAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:07:45.157934Z"},"content_sha256":"b6612e33744cbe50e1e2ce9a1f2afc052a7b5a1cea7a22a76a2aefb45fb6258d","schema_version":"1.0","event_id":"sha256:b6612e33744cbe50e1e2ce9a1f2afc052a7b5a1cea7a22a76a2aefb45fb6258d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:H5A6IIDGATBF3OHML22DLYS7HH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Breaking an image encryption algorithm based on chaos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Chengqing Li, Kwok-Tung Lo, Michael Z. Q. Chen","submitted_at":"2010-07-22T12:01:21Z","abstract_excerpt":"Recently, a chaos-based image encryption algorithm called MCKBA (Modified Chaotic-Key Based Algorithm) was proposed. This paper analyzes the security of MCKBA and finds that it can be broken with a differential attack, which requires only four chosen plain-images. Performance of the attack is verified by experimental results. In addition, some defects of MCKBA, including insensitivity with respect to changes of plain-image/secret key, are reported."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3862","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:03:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUxtFxZC/88laa9b3of92sAACMQr9XoHmX8I1uMgQ/fT+jI3jrqZfqXgDd2PfrqTPORoTzftlgVCkJfowXMfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:07:45.158271Z"},"content_sha256":"320032b299ea39cc9fc793d7fc2399519eea3e5822a6faad1c8278904b24e529","schema_version":"1.0","event_id":"sha256:320032b299ea39cc9fc793d7fc2399519eea3e5822a6faad1c8278904b24e529"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H5A6IIDGATBF3OHML22DLYS7HH/bundle.json","state_url":"https://pith.science/pith/H5A6IIDGATBF3OHML22DLYS7HH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H5A6IIDGATBF3OHML22DLYS7HH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-05T14:07:45Z","links":{"resolver":"https://pith.science/pith/H5A6IIDGATBF3OHML22DLYS7HH","bundle":"https://pith.science/pith/H5A6IIDGATBF3OHML22DLYS7HH/bundle.json","state":"https://pith.science/pith/H5A6IIDGATBF3OHML22DLYS7HH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H5A6IIDGATBF3OHML22DLYS7HH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:H5A6IIDGATBF3OHML22DLYS7HH","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":"c93e119356205ccb2a76c82ad3a7f7b928f61d9275599180badead7668bedf9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2010-07-22T12:01:21Z","title_canon_sha256":"45fdcae7292dd4fc3e49624fd26a3f8cebffb26170f8f7f446fd2fd85dc8bf37"},"schema_version":"1.0","source":{"id":"1007.3862","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.3862","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"arxiv_version","alias_value":"1007.3862v2","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3862","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"pith_short_12","alias_value":"H5A6IIDGATBF","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H5A6IIDGATBF3OHM","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H5A6IIDG","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:320032b299ea39cc9fc793d7fc2399519eea3e5822a6faad1c8278904b24e529","target":"graph","created_at":"2026-05-18T01:03:31Z","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":"Recently, a chaos-based image encryption algorithm called MCKBA (Modified Chaotic-Key Based Algorithm) was proposed. This paper analyzes the security of MCKBA and finds that it can be broken with a differential attack, which requires only four chosen plain-images. Performance of the attack is verified by experimental results. In addition, some defects of MCKBA, including insensitivity with respect to changes of plain-image/secret key, are reported.","authors_text":"Chengqing Li, Kwok-Tung Lo, Michael Z. Q. Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2010-07-22T12:01:21Z","title":"Breaking an image encryption algorithm based on chaos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3862","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:b6612e33744cbe50e1e2ce9a1f2afc052a7b5a1cea7a22a76a2aefb45fb6258d","target":"record","created_at":"2026-05-18T01:03:31Z","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":"c93e119356205ccb2a76c82ad3a7f7b928f61d9275599180badead7668bedf9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2010-07-22T12:01:21Z","title_canon_sha256":"45fdcae7292dd4fc3e49624fd26a3f8cebffb26170f8f7f446fd2fd85dc8bf37"},"schema_version":"1.0","source":{"id":"1007.3862","kind":"arxiv","version":2}},"canonical_sha256":"3f41e4206604c25db8ec5eb435e25f39ff7d570ecd69478a0ec2bafb58ca3938","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f41e4206604c25db8ec5eb435e25f39ff7d570ecd69478a0ec2bafb58ca3938","first_computed_at":"2026-05-18T01:03:31.383125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:31.383125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LpKPzcGK+0o58CyWroyHj0UwLmmelplU6yKiuoKMx/OgcewcaVM0o7SUUnnzXn0wCLi9eRGWR/Y1CL5cNYCHAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:31.383672Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.3862","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6612e33744cbe50e1e2ce9a1f2afc052a7b5a1cea7a22a76a2aefb45fb6258d","sha256:320032b299ea39cc9fc793d7fc2399519eea3e5822a6faad1c8278904b24e529"],"state_sha256":"05c596ff0119409f4672b7637d84ef9615dc5794cf109bca60217ccfe98ad1e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nViHgcIkPOkbg3CYM+mNYCErk5jTMHbEfNwSkU+hRk+oDRQnWnEdWt+aseOc1NKZlhXaP/fYZXpbOhvj6JRWBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T14:07:45.160172Z","bundle_sha256":"2c7171218b9fc7314c1ba639e87fef8dd4e9e1151f7e70a4f4f278b08aec6523"}}