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60 lines
3.7 KiB
60 lines
3.7 KiB
# Specification
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- `DateKeys_Protocol_Specification_v0.8.2.md`: frozen copy of the normative
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draft v0.8.2 (28 September 2026), tagged `spec-v0.8.2`. SHA-256:
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`5cfa32034ea2ba02e77676e015cad7bba09796383afdda6634aaa017a5a23351`.
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v0.8.2 replaces v0.8.1 with a normative change to extensions, refined
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before release (error precedence, trust model, extension order, and rules
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the reference had applied without normative text), amended (the canonical
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encoding of BLS12-381 points and the tlock stanza body) and corrected in
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two rounds of a formal review (an invalid release from a network source,
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the objects and arrays where each extension may appear, which an encoder
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must respect, the serialization of GT in the tlock H2, and a single code
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for any failure of a release source), all recorded with their
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reproducible cases in the specification's §76.
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- `DateKeys_Protocol_Specification_v0.9.md`: frozen copy of the normative
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draft v0.9 (29 September 2026), approved by its author on that date and
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tagged `spec-v0.9`. SHA-256:
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`36189e1e62f0f835b7665219aa63df7200cd89ac4e4e924f2705f970fa7c40a9`.
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It adds capsule format 2, which hides until the unlock date the exact
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length of the content (the payload is padded) and the number of
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credentials (always 16 X25519 stanzas), and it makes the writer rules
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normative. A v0.9 reader still opens format 1, the format of v0.8.2. Its
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§76 records each change with its reproducible case.
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- `DateKeys_Protocol_Specification_v0.10.md`: frozen copy of the normative
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draft v0.10 (30 September 2026), approved by its author on that date and
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tagged `spec-v0.10`. SHA-256:
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`7f26419a444aa3e89a3aa8afbbba9d952af69e048aee1e93cd70732c2d1d99d1`.
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It adds capsule format 3, which stores several files with their paths, sizes,
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hashes and dates, encrypted, and reserves the `security` area for an author
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signature and a timestamp seal that later versions will define without
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changing the format. Its §76 records each change with its reproducible case.
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- `DateKeys_Protocol_Specification_v0.11.md`: frozen copy of the normative
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draft v0.11 (1 October 2026), approved by its author on that date and
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tagged `spec-v0.11`; this module implements it. SHA-256:
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`25cf1039d16666199c662e88e838a1d2ef0507be68e17fecd9aeee5d85a5bb6e`.
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It defines the author signature of format 3, with an Ed25519 key of one's
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own or with X.509 certificates (CMS, one or several signers, a CAdES-T
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timestamp each), the RFC 3161 seal, a fixed area of 32 KiB, the key of
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words, the public note and the capsule extension of the .dkk. Its §76
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records each change with its reproducible case.
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- `DateKeys_Protocol_Specification_v0.12.md`: the draft v0.12, work in
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progress and not approved; this branch implements it. It changes no
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format: it fixes what the review of the implementation of v0.11 found, the
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names of certificates and the warning of the seal in the verdicts, a
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profile of the certificate field by field, the addresses and the padding
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of the locator, and errata. Its §76 records each change with its case.
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- `datekeys.cddl`: the CBOR schemas of the v0.12 draft, the three control
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versions and the security and head objects of format 3 included, with the
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encoding rules CDDL cannot express. Those of v0.9 and v0.8.2 are at the tags
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`spec-v0.9` and `spec-v0.8.2`.
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The specification is licensed under the Creative Commons Attribution 4.0
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International License (CC-BY-4.0): <https://creativecommons.org/licenses/by/4.0/>.
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The code of this repository is licensed separately under Apache-2.0.
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Changes to the specification follow its §76: a normative change should answer a
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reproducible case found through the reference implementation, the CDDL, a
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fixture, a mutation test, an interoperability test, fuzzing, a second
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implementation or an external review.
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