{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OJZD7ZQELREACKBFXXHF3OSLIX","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":"98b5bfaf91b6efc6b79aea4b58f09e1675d34d68ff47bd290fc64cab47b9bf91","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-02-24T19:14:23Z","title_canon_sha256":"6b0eab084d5070ec2138949f24a2ae0c7ece86432e6bead64f2d23fc078efb86"},"schema_version":"1.0","source":{"id":"1202.5529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5529","created_at":"2026-05-18T04:01:36Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5529v1","created_at":"2026-05-18T04:01:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5529","created_at":"2026-05-18T04:01:36Z"},{"alias_kind":"pith_short_12","alias_value":"OJZD7ZQELREA","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OJZD7ZQELREACKBF","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OJZD7ZQE","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:d445cf1372a4aef5fc3e0257f94e36d2ba1bbc285eb4cc9b057ca6c1b8488ff1","target":"graph","created_at":"2026-05-18T04:01:36Z","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":"In this paper, we investigate how constraints on the randomization in the encoding process affect the secrecy rates achievable over wiretap channels. In particular, we characterize the secrecy capacity with a rate-limited local source of randomness and a less capable eavesdropper's channel, which shows that limited rate incurs a secrecy rate penalty but does not preclude secrecy. We also discuss a more practical aspect of rate-limited randomization in the context of cooperative jamming. Finally, we show that secure communication is possible with a non-uniform source for randomness; this sugges","authors_text":"Joerg Kliewer, Matthieu R. Bloch","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-02-24T19:14:23Z","title":"On Secure Communication with Constrained Randomization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5529","kind":"arxiv","version":1},"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:cfb1dceb4cad3cf524a5ac6738cd01edb26ff8eb72e067a3e96b78e075d4c9ad","target":"record","created_at":"2026-05-18T04:01:36Z","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":"98b5bfaf91b6efc6b79aea4b58f09e1675d34d68ff47bd290fc64cab47b9bf91","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-02-24T19:14:23Z","title_canon_sha256":"6b0eab084d5070ec2138949f24a2ae0c7ece86432e6bead64f2d23fc078efb86"},"schema_version":"1.0","source":{"id":"1202.5529","kind":"arxiv","version":1}},"canonical_sha256":"72723fe6045c48012825bdce5dba4b45d6c3eb31624abb9cfdff25b8f72c4c71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72723fe6045c48012825bdce5dba4b45d6c3eb31624abb9cfdff25b8f72c4c71","first_computed_at":"2026-05-18T04:01:36.784845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:36.784845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mYP9YE+NGTmNuAxzBnWGwTugIMRMvg6zJLZwq1qk3QGS7NxSST7dKSgwkA/5GYNngD+KrqWJNDMWPDWTJ/yLCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:36.785791Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfb1dceb4cad3cf524a5ac6738cd01edb26ff8eb72e067a3e96b78e075d4c9ad","sha256:d445cf1372a4aef5fc3e0257f94e36d2ba1bbc285eb4cc9b057ca6c1b8488ff1"],"state_sha256":"13d79c4f8f51c94225f8cea51e37d1c88422aed8c5322dca117e78f1308b2572"}