SDLP Security Architecture (SDLP RFC 4)
draft-norton-sdlp-sec-arch-01

Internet-Draft                                                M. Norton
Intended status: Informational                               Independent
Expires: December 2026                                       June 2026

                 SDLP Security Architecture (SDLP RFC 4)
                   draft-norton-sdlp-sec-arch-01.txt

Abstract

   This document defines the security architecture for the Secured
   Digital Lifecycle Protocol (SDLP). It specifies the security model,
   threat surfaces, authentication requirements, authorization
   boundaries, and integrity guarantees that govern all SDLP lifecycle
   transitions and transformations.

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1.  Introduction

   This document defines the security architecture for the Secured
   Digital Lifecycle Protocol (SDLP). SDLP requires authenticated,
   authorized, and integrity-preserving lifecycle transitions for all
   digital objects. This document establishes the security model and
   normative requirements for those transitions.

2.  Security Model

   SDLP security is based on authenticated identity, deterministic
   lifecycle state transitions, and verifiable lineage. All actors,
   transformations, and lifecycle events must be cryptographically
   attributable.

3.  Threat Surfaces

   SDLP identifies the following primary threat surfaces:

   - Identity spoofing
   - Unauthorized transformations
   - Lineage tampering
   - State machine bypass
   - Unauthorized distribution
   - Unauthorized retention or resurrection

4.  Authentication Requirements

   All lifecycle transitions MUST be authenticated using verifiable
   credentials bound to the actor performing the transition.

5.  Authorization Boundaries

   SDLP defines strict authorization boundaries for:

   - Creation
   - Activation
   - Distribution
   - Transformation
   - Verification
   - Retention
   - Retirement

6.  Integrity Guarantees

   SDLP requires that all transformations preserve lineage, identity,
   and state integrity. Unauthorized or unverifiable transitions MUST be
   rejected.

7.  IANA Considerations

   This document makes no requests of IANA.

8.  Security Considerations

   This document defines the security architecture for SDLP and therefore
   consists entirely of security considerations.

Author's Address

   M. Norton
   Independent
   El Mirage
   United States

   Email: mark433norton@gmail.com

Table of Contents

   39. Decay Mechanics and Use-Based Lifecycle Physics ............. 3
   40. Tamper Physics .............................................. 5
   41. State Transition Physics .................................... 7
   42. Environment Physics ......................................... 9
   43. ObjectKey Physics .......................................... 11
   44. Lineage Physics ............................................ 13
   45. Policy Physics ............................................. 15
   46. Environment Validation Physics ............................. 17
   47. Policy Enforcement Physics ................................. 19
   48. Transfer Physics ........................................... 21
   49. Timestamp Physics .......................................... 23
   50. Serialization Physics ...................................... 25
   51. Anti-Resurrection Physics .................................. 27
   52. Destruction Physics ........................................ 29
   53. Rehydration Prohibition Physics ............................ 31
   54. Reproduction Physics ....................................... 33
   Author's Address ............................................... 35


39.  Decay Mechanics and Use-Based Lifecycle Physics

   The SDLP decay model defines how SDLP-governed objects lose usable
   lifecycle energy (P) through normal use, duplication attempts, and
   environment interactions. Decay is not a punishment or enforcement
   mechanism. Decay is predictive lifecycle physics: a deterministic
   response to actions that consume or divide the object's remaining
   usable energy.

   SDLP defines three classes of decay events:

   *  Play Events: Consumption of the object through normal use.
   *  Copy Events: Duplication attempts that divide remaining energy.
   *  Upload Events: Environment transitions treated as copy events.

   All decay events reduce the object's remaining lifecycle energy (P).
   When P reaches zero, the object MUST transition to the Decayed state.

   Play Decay:

   *  Each play event reduces P by 1.
   *  P = P - 1
   *  Play events MUST be recorded as lineage entries.
   *  Play events MUST NOT be reversible or suppressible.
   *  Play events MUST NOT reset or increase P.

   Rewind Threshold Decay:

   *  A rewind event occurs when the user attempts to move backward
      within a digital object.
   *  If the rewind distance is greater than or equal to one-third
      (1/3) of the object's total length or duration, the object MUST
      trigger a Restart Event.
   *  Restart Events MUST deduct one play from P.
   *  Restart Events MUST reset the object's position to the beginning.
   *  Restart Events MUST be recorded as lineage entries.
   *  Restart Events MUST NOT be suppressible or reversible.
   *  Rewind distances less than one-third of total length MUST NOT
      trigger a Restart Event.

   Copy Decay:

   *  Copying is a decay event that divides the object's remaining
      lifecycle energy.
   *  After a copy event, both the parent and the child retain P/2.
   *  P = P / 2
   *  Copy events MUST be recorded as lineage entries.
   *  Copy events MUST NOT increase total system energy.
   *  Copy events MUST NOT create parallel or forked lineage chains.

   Upload Decay:


   *  Uploading is treated as a copy event.
   *  Uploading consumes half of the object's remaining lifecycle energy.
   *  P = P / 2
   *  Upload events MUST be recorded as lineage entries.
   *  Upload events MUST NOT bypass decay physics.

   Float Normalization:

   *  If any decay event produces a non-integer value of P, the value
      MUST be rounded to the nearest integer using deterministic,
      platform-independent rounding rules.
   *  Rounding MUST be canonical and reproducible across all compliant
      implementations.
   *  Fractional representations of P are prohibited.

   End-of-Life Thresholds:

   *  When P reaches zero, the object MUST transition to the Decayed
      state.
   *  When P is less than or equal to 1, the object MUST initiate
      mandatory end-of-life destruction and transition to the Bitdumped
      state.
   *  End-of-life destruction MUST occur at a rate of 100% per second
      and MUST be irreversible.
   *  Hospice states (P = 1) MUST NOT allow further lifecycle
      operations.

   Decay Thresholds:

   *  When P reaches a policy-defined threshold, the object may restrict
      certain lifecycle operations.
   *  Decay thresholds MUST be deterministic and reproducible.

   SDLP objects MUST validate decay physics at the following times:

   *  Before performing a play event
   *  Before performing a copy event
   *  Before performing an upload event
   *  Before executing any lifecycle operation that depends on P
   *  Before transitioning to the Decayed or Bitdumped state

   SDLP objects MUST reject:

   *  Attempts to reset P
   *  Attempts to increase P
   *  Attempts to bypass decay physics
   *  Attempts to duplicate without decay
   *  Attempts to create multiple children from a single decay event
   *  Attempts to falsify decay lineage entries
   *  Attempts to represent P as a non-canonical or fractional value

   Any attempt to falsify decay physics MUST be treated as a tamper
   event and MUST trigger mandatory bitdump.


   Decay physics MUST be deterministic, canonical, and reproducible
   across all compliant implementations. Platform-dependent behavior,
   non-deterministic decay calculations, or alternate decay models are
   prohibited.

   The decay mechanics and use-based lifecycle physics ensure that SDLP-
   governed objects behave like physical products across a digital
   medium. By modeling play, rewind, copy, and upload as decay events,
   SDLP establishes a predictable, tamper-evident, and entropy-consistent
   lifecycle model.

40.  Tamper-Response, Bitdump, and Irreversible Destruction Physics

   The SDLP tamper-response model defines the irreversible destruction
   physics that govern how SDLP-governed objects react to malicious,
   deceptive, or unauthorized conditions. Tamper-response is not a
   policy, permission, or enforcement mechanism. Tamper-response is a
   terminal physics event: a deterministic collapse triggered when the
   object detects conditions incompatible with secure digital existence.

   SDLP defines three classes of tamper conditions:

   *  Forgery: Invalid signatures, spoofed identity, falsified lineage,
      or unauthorized modification of canonical fields.

   *  Manipulation: Debugging, patching, memory injection, binary
      modification, or attempts to alter execution flow.

   *  Deception: Environment spoofing, virtualization masking, trust
      signal falsification, or attempts to bypass validation routines.

   When a tamper condition is detected, the object MUST perform one of
   two responses:

   *  Refusal: For accidental or non-malicious failures, the object MUST
      refuse execution and record a lineage entry documenting the
      failure.

   *  Bitdump: For malicious, intentional, or deceptive conditions, the
      object MUST irreversibly destroy itself and transition to the
      Bitdumped state.

   Bitdump is an irreversible terminal state. Bitdump MUST:

   *  Zeroize all cryptographic material.
   *  Invalidate the ObjectKey.
   *  Invalidate all internal state.
   *  Render the object permanently non-functional.
   *  Record a final lineage entry if possible.
   *  Prevent all future execution, transfer, or consumption.

   SDLP objects MUST trigger immediate bitdump under the following
   conditions:


   *  Debugger attachment
   *  Binary modification or patching
   *  Memory injection or code manipulation
   *  Environment spoofing or falsified trust signals
   *  Unauthorized virtualization masking
   *  Attempts to bypass environment validation
   *  Attempts to disable tamper-response
   *  Attempts to modify identity fields
   *  Attempts to falsify lineage entries
   *  Attempts to reset or increase P
   *  Attempts to duplicate without decay
   *  Attempts to create parallel lineage chains

   Bitdump physics:

   *  Bitdump is atomic and cannot be interrupted.
   *  Bitdump is irreversible and cannot be undone.
   *  Bitdump MUST NOT leave recoverable state.
   *  Bitdump MUST NOT allow rollback or resurrection.
   *  Bitdump MUST NOT allow partial destruction.
   *  Bitdump MUST NOT allow post-collapse execution.

   SDLP objects MUST validate tamper conditions at the following times:

   *  At startup
   *  Before performing any lifecycle operation
   *  Before executing any state transition
   *  Before accepting a lineage entry
   *  Before applying a policy
   *  Continuously during execution

   SDLP objects MUST reject:

   *  Any attempt to override tamper-response
   *  Any attempt to redefine tamper conditions
   *  Any attempt to disable bitdump
   *  Any attempt to recover from bitdump
   *  Any attempt to reinitialize a bitdumped object

   The Bitdumped state is final. SDLP objects in the Bitdumped state:

   *  Must not execute
   *  Must not transfer
   *  Must not consume
   *  Must not accept lineage entries
   *  Must not apply policies
   *  Must not rebind identity
   *  Must not reinstantiate

   The tamper-response and irreversible destruction physics ensure that
   SDLP-governed objects cannot be manipulated, forged, or deceived.
   Bitdump establishes the terminal boundary of SDLP lifecycle physics,
   providing a deterministic and tamper-evident end-of-life condition
   for all digital objects.

41.  Canonical Encoding Rules and Deterministic Serialization


   The SDLP canonical encoding model defines the deterministic,
   unambiguous, and reproducible serialization rules required for all
   SDLP-governed objects, lineage entries, policies, and identity
   structures. Canonical encoding ensures that all compliant
   implementations produce identical byte-level representations for the
   same logical data. Any deviation from canonical encoding MUST be
   treated as a tamper condition.

   Canonical encoding requirements:

   *  Encoding MUST be deterministic.
   *  Encoding MUST be platform-independent.
   *  Encoding MUST be architecture-independent.
   *  Encoding MUST be byte-for-byte reproducible.
   *  Encoding MUST NOT depend on locale, language, or system settings.
   *  Encoding MUST NOT allow alternate representations.

   SDLP defines the following canonical encoding rules:

   *  Field Order: All fields MUST appear in a strict, predefined order.
      Reordering, omission, or insertion of fields is prohibited.

   *  Field Presence: All required fields MUST be present. Optional
      fields MUST be encoded explicitly as null when absent.

   *  Field Types: Each field MUST be encoded using its canonical type.
      Type coercion, implicit conversion, or alternate type encoding is
      prohibited.

   *  String Encoding: All strings MUST be encoded as UTF-8 without BOM.
      Alternate encodings are prohibited.

   *  Integer Encoding: All integers MUST be encoded as unsigned,
      big-endian, fixed-width values. Variable-length integers are
      prohibited.

   *  Boolean Encoding: Booleans MUST be encoded as a single byte: 0x00
      for false, 0x01 for true.

   *  Hash Encoding: Hashes MUST be encoded as raw bytes, not hex or
      base64.

   *  Signature Encoding: Signatures MUST be encoded as raw bytes in
      canonical order defined by the signature algorithm.

   *  Timestamp Encoding: Timestamps MUST be encoded as UNIX epoch
      seconds in big-endian format.

   *  Null Encoding: Null MUST be encoded as a single canonical byte
      value (0xFF). Alternate null representations are prohibited.

   Canonical serialization rules:


   *  Serialization MUST produce a single, contiguous byte sequence.
   *  Serialization MUST NOT include padding, alignment, or metadata.
   *  Serialization MUST NOT include comments or annotations.
   *  Serialization MUST NOT include platform-specific markers.
   *  Serialization MUST NOT include variable-length prefixes unless
      explicitly defined.

   SDLP objects MUST validate canonical encoding at the following times:

   *  Before computing a hash
   *  Before verifying a signature
   *  Before accepting a lineage entry
   *  Before applying a policy
   *  Before performing any lifecycle operation
   *  Before executing any state transition

   SDLP objects MUST reject:

   *  Non-canonical encodings
   *  Alternate field orders
   *  Missing or extra fields
   *  Variable-length integer encodings
   *  Non-UTF-8 string encodings
   *  Hex-encoded or base64-encoded hashes
   *  Non-canonical null representations
   *  Platform-dependent serialization formats

   Any attempt to alter canonical encoding MUST be treated as a tamper
   event and MUST trigger mandatory bitdump.

   Canonical encoding ensures that SDLP-governed objects maintain
   deterministic identity, reproducible lineage, and verifiable physics
   across all compliant implementations. By eliminating ambiguity and
   enforcing strict serialization rules, SDLP establishes a stable and
   tamper-evident foundation for digital lifecycle governance.

42.  Cryptographic Hashing, Signature Algorithms, and Key Requirements

   The SDLP cryptographic model defines the hashing algorithms, signature
   algorithms, and key requirements necessary to ensure deterministic
   identity, verifiable lineage, tamper-evident state transitions, and
   irreversible destruction physics. All cryptographic operations MUST be
   deterministic, canonical, and reproducible across all compliant
   implementations.

   SDLP objects MUST use only approved cryptographic primitives. Use of
   non-approved algorithms, weakened variants, platform-dependent
   cryptography, or implementation-specific shortcuts is prohibited.

   Hashing Requirements:


   *  SDLP objects MUST use a cryptographic hash function with at least
      256-bit output.
   *  Hashes MUST be computed over canonical byte-encoded data.
   *  Hashes MUST be encoded as raw bytes, not hex or base64.
   *  Hashes MUST be deterministic and reproducible.
   *  Hashes MUST be included in all signature payloads.
   *  Hashes MUST be validated before accepting any lineage entry.

   Signature Requirements:

   *  SDLP objects MUST use asymmetric signature algorithms with at
      least 128-bit security strength.
   *  Signatures MUST be computed over canonical byte-encoded payloads.
   *  Signatures MUST be encoded as raw bytes in canonical order.
   *  Signatures MUST be validated before performing any lifecycle
      operation.
   *  Signatures MUST be included in lineage entries, identity fields,
      and policy structures.
   *  Signature verification failure MUST be treated as a tamper
      condition.

   Key Requirements:

   *  ObjectKey: A unique keypair generated at instantiation. Used to
      sign lineage entries and validate internal state. Must never be
      replaced, regenerated, or exported.
   *  DistributorKey: Used to sign instantiation events and product
      metadata.
   *  CustomerKey: Used to sign ownership-binding and transfer events.
   *  PolicyAuthorityKey: Used to sign policy versions.
   *  EnvironmentKey: Optional hardware-backed key used for trusted
      execution signals.

   Key Handling Rules:

   *  Keys MUST never be exported in plaintext.
   *  Keys MUST never be stored in non-secure memory.
   *  Keys MUST never be regenerated after instantiation.
   *  Keys MUST never be shared across objects.
   *  Keys MUST never be derived from platform identifiers.
   *  Keys MUST be destroyed during bitdump.

   Signature Payload Structure:

   *  All signatures MUST include:
      - Identity fields
      - PreviousHash
      - NewState
      - EventType
      - Timestamp
      - Canonical encoding of all fields
   *  Omission of any field invalidates the signature.
   *  Additional fields MUST NOT be added to the payload.

   Cryptographic Validation Requirements:


   *  Before accepting a lineage entry
   *  Before applying a policy
   *  Before performing any lifecycle operation
   *  Before executing any state transition
   *  Before binding identity
   *  Continuously during environment validation

   SDLP objects MUST reject:

   *  Weak or deprecated algorithms
   *  Non-canonical signature formats
   *  Hashes encoded as hex or base64
   *  Keys generated outside SDLP-defined processes
   *  Signatures missing required fields
   *  Signatures computed over non-canonical data
   *  Any attempt to bypass cryptographic validation

   Any attempt to forge signatures, falsify hashes, or manipulate key
   material MUST be treated as a tamper condition and MUST trigger
   mandatory bitdump.

   The cryptographic hashing, signature algorithms, and key requirements
   ensure that SDLP-governed objects maintain deterministic identity,
   verifiable lineage, and tamper-evident lifecycle physics across all
   compliant implementations. Cryptography forms the mathematical
   foundation of SDLP's digital physics layer.

43.  ObjectKey Lifecycle, Protection, and Zeroization Requirements

   The ObjectKey is the foundational cryptographic identity of an SDLP-
   governed object. It is generated at instantiation, used throughout the
   object's lifecycle to sign lineage entries and validate internal
   state, and destroyed irreversibly during bitdump. The ObjectKey MUST
   be handled according to strict lifecycle, protection, and zeroization
   requirements to ensure deterministic identity, tamper-evident
   transitions, and secure destruction physics.

   ObjectKey Generation:

   *  The ObjectKey MUST be generated at instantiation using an approved
      asymmetric key generation algorithm with at least 128-bit security
      strength.
   *  ObjectKey generation MUST occur within a trusted execution
      environment or equivalent secure enclave.
   *  ObjectKeys MUST be unique per object and MUST never be reused or
      derived from other keys.
   *  ObjectKeys MUST NOT be derived from platform identifiers, user
      identifiers, or environmental characteristics.

   ObjectKey Usage:


   *  The ObjectKey MUST be used to sign all lineage entries.
   *  The ObjectKey MUST be used to validate internal state transitions.
   *  The ObjectKey MUST NOT be used for encryption, key exchange, or
      any purpose outside SDLP-defined lifecycle operations.
   *  The ObjectKey MUST NOT sign non-canonical or non-validated data.
   *  The ObjectKey MUST NOT sign data outside the object's own
      lifecycle domain.

   ObjectKey Storage:

   *  The ObjectKey MUST be stored only in secure, non-exportable
      hardware-backed storage or equivalent protected memory.
   *  The ObjectKey MUST never be written to disk in plaintext.
   *  The ObjectKey MUST never be included in backups, snapshots, or
      memory dumps.
   *  The ObjectKey MUST NOT be accessible to user-mode processes or
      external applications.
   *  The ObjectKey MUST NOT be exportable under any circumstances.

   ObjectKey Protection:

   *  Any attempt to access, export, modify, or replace the ObjectKey
      MUST be treated as a tamper condition.
   *  Any attempt to use the ObjectKey outside canonical SDLP operations
      MUST be treated as a tamper condition.
   *  Any attempt to bypass secure storage or inject alternate key
      material MUST trigger mandatory bitdump.
   *  The ObjectKey MUST be validated continuously during execution to
      ensure integrity and authenticity.

   ObjectKey Rotation and Replacement:

   *  ObjectKeys MUST never be rotated, replaced, regenerated, or
      reissued after instantiation.
   *  Any attempt to rotate or replace the ObjectKey MUST be treated as
      a tamper condition.
   *  Objects requiring new key material MUST be instantiated as new
      objects with new identity and lineage.

   ObjectKey Zeroization:

   *  During bitdump, the ObjectKey MUST be destroyed irreversibly.
   *  Zeroization MUST remove all key material from memory, secure
      storage, caches, registers, and hardware-backed enclaves.
   *  Zeroization MUST be atomic and MUST NOT allow partial destruction.
   *  Zeroization MUST NOT leave recoverable remnants or allow forensic
      reconstruction.
   *  Zeroization MUST occur before the object transitions to the
      Bitdumped state.

   Zeroization Triggers:


   *  Bitdump events (tamper-induced or decay-induced)
   *  Hospice collapse (P <= 1)
   *  Signature forgery detection
   *  Lineage falsification detection
   *  Environment spoofing detection
   *  Unauthorized debugger attachment
   *  Unauthorized memory inspection or modification

   Post-Zeroization Behavior:

   *  After zeroization, the object MUST be permanently non-functional.
   *  The object MUST NOT execute, transfer, or consume.
   *  The object MUST NOT accept lineage entries or apply policies.
   *  The object MUST NOT rebind identity or reinstantiate.
   *  The object MUST NOT regenerate or restore the ObjectKey.

   The ObjectKey lifecycle, protection, and zeroization requirements
   ensure that SDLP-governed objects maintain secure, tamper-evident
   identity throughout their existence and undergo irreversible
   destruction when required by decay physics or tamper-response
   physics. The ObjectKey is the cryptographic anchor of SDLP's digital
   physics model.

44.  Lineage Entry Structure and Canonical Event Sequencing

   Lineage is the authoritative, tamper-evident record of all lifecycle
   events performed by an SDLP-governed object. Each lineage entry
   represents a single, atomic state transition and MUST be signed by
   the ObjectKey. Lineage establishes the object's historical identity,
   validates decay physics, and ensures deterministic reconstruction of
   the object's lifecycle.

   Lineage entries MUST be canonical, complete, and strictly ordered.
   Missing entries, reordered entries, or altered entries invalidate the
   lineage chain and MUST be treated as tamper conditions.

   Lineage Entry Structure:

   Each lineage entry MUST contain the following fields in canonical
   order:

   *  EntryIndex: A monotonically increasing integer starting at 0.
   *  PreviousHash: The hash of the previous lineage entry.
   *  NewState: The resulting state after the event.
   *  EventType: The type of lifecycle event performed.
   *  Timestamp: The UNIX epoch time of the event.
   *  DecayDelta: The change in P resulting from the event.
   *  P_After: The value of P after applying DecayDelta.
   *  EnvironmentInfo: Canonical environment validation data.
   *  PolicyVersion: The active policy version at the time of the event.
   *  Signature: The ObjectKey signature over all canonical fields.

   Required Event Types:


   *  Instantiation
   *  Play
   *  Restart (rewind distance >= one-third threshold)
   *  Copy
   *  Upload
   *  Transfer
   *  PolicyUpdate
   *  EnvironmentValidation
   *  DecayCollapse (P = 0)
   *  HospiceEntry (P = 1)
   *  Bitdump (tamper-induced or decay-induced)

   Canonical Event Sequencing:

   *  Lineage entries MUST be strictly sequential.
   *  EntryIndex MUST increase by exactly 1 for each new entry.
   *  No gaps, duplicates, or parallel sequences are permitted.
   *  PreviousHash MUST match the hash of the prior entry.
   *  NewState MUST reflect the canonical state transition rules.
   *  Events MUST be recorded immediately and atomically.

   Atomicity Requirements:

   *  A lineage entry MUST be fully written, signed, and validated before
      any subsequent lifecycle operation may occur.
   *  Partial or incomplete lineage entries are prohibited.
   *  If a lineage entry cannot be completed, the object MUST halt and
      refuse further execution.

   Lineage Validation:

   SDLP objects MUST validate lineage integrity at the following times:

   *  At startup
   *  Before performing any lifecycle operation
   *  Before applying decay physics
   *  Before accepting a transfer
   *  Before applying a policy
   *  Before executing a state transition
   *  Continuously during environment validation

   SDLP objects MUST reject:

   *  Missing lineage entries
   *  Reordered lineage entries
   *  Duplicate EntryIndex values
   *  Incorrect PreviousHash values
   *  Non-canonical field order
   *  Missing required fields
   *  Invalid or unverifiable signatures
   *  Lineage entries inconsistent with decay physics
   *  Lineage entries inconsistent with canonical state transitions

   Any attempt to modify, reorder, falsify, or truncate lineage MUST be
   treated as a tamper condition and MUST trigger mandatory bitdump.

   Lineage as a Forensic Record:


   *  Lineage MUST allow deterministic reconstruction of the object's
      entire lifecycle.
   *  Lineage MUST provide a complete audit trail of decay, transfer,
      environment validation, and policy application.
   *  Lineage MUST be immutable once written.
   *  Lineage MUST be cryptographically verifiable without external
      context.

   Canonical event sequencing ensures that SDLP-governed objects maintain
   a complete, tamper-evident, and cryptographically anchored record of
   their lifecycle. Lineage is the forensic backbone of SDLP's digital
   physics model.

45.  State Transition Rules and Canonical Lifecycle Graph

   SDLP-governed objects MUST follow a deterministic, canonical lifecycle
   defined by a finite set of states and a strict set of allowable
   transitions. State transitions MUST be atomic, signed, recorded as
   lineage entries, and validated before execution. Any deviation from
   the canonical lifecycle graph MUST be treated as a tamper condition.

   Canonical States:

   *  Instantiated: The object has been created and assigned an ObjectKey.
   *  Active: The object is usable and may perform lifecycle operations.
   *  Restricted: The object has reached a policy-defined threshold and
      may perform only a subset of lifecycle operations.
   *  Hospice: The object has P = 1 and MUST NOT perform further
      lifecycle operations except mandatory end-of-life destruction.
   *  Decayed: The object has P = 0 and MUST transition to Bitdump.
   *  Bitdumped: The object has undergone irreversible destruction and
      is permanently non-functional.

   Canonical Lifecycle Graph:

   The following transitions are permitted:

   *  Instantiated -> Active
   *  Active -> Active (play, rewind, copy, upload, transfer, policy update)
   *  Active -> Restricted (policy-defined threshold)
   *  Restricted -> Active (policy-defined recovery)
   *  Active -> Hospice (P = 1)
   *  Restricted -> Hospice (P = 1)
   *  Hospice -> Bitdumped (mandatory end-of-life destruction)
   *  Active -> Decayed (P = 0)
   *  Restricted -> Decayed (P = 0)
   *  Decayed -> Bitdumped (mandatory destruction)
   *  Active -> Bitdumped (tamper-induced)
   *  Restricted -> Bitdumped (tamper-induced)
   *  Instantiated -> Bitdumped (tamper-induced)

   No other transitions are permitted.

   State Transition Rules:


   *  All transitions MUST be recorded as lineage entries.
   *  All transitions MUST be signed by the ObjectKey.
   *  All transitions MUST be validated before execution.
   *  Transitions MUST be atomic and MUST NOT allow partial state
      changes.
   *  Transitions MUST NOT skip intermediate states unless explicitly
      defined (e.g., tamper-induced Bitdump).
   *  Transitions MUST NOT be reversible.

   State Validation Requirements:

   Before performing any state transition, SDLP objects MUST validate:

   *  Lineage integrity
   *  Signature validity
   *  Canonical encoding
   *  Decay physics consistency
   *  Policy compliance
   *  Environment validation
   *  ObjectKey integrity

   Invalid transitions MUST be rejected and treated as tamper conditions.

   Hospice State Rules:

   *  Hospice is entered when P = 1.
   *  Hospice prohibits all lifecycle operations except mandatory
      destruction.
   *  Hospice MUST transition to Bitdumped at 100% per second.
   *  Hospice MUST NOT allow play, rewind, copy, upload, or transfer.

   Decayed State Rules:

   *  Decayed is entered when P = 0.
   *  Decayed MUST immediately transition to Bitdumped.
   *  Decayed MUST NOT allow any lifecycle operations.

   Bitdumped State Rules:

   *  Bitdumped is final and irreversible.
   *  The object MUST be permanently non-functional.
   *  The ObjectKey MUST be zeroized.
   *  The object MUST NOT execute, transfer, or consume.
   *  The object MUST NOT accept lineage entries or apply policies.
   *  The object MUST NOT rebind identity or reinstantiate.

   Canonical lifecycle enforcement ensures that SDLP-governed objects
   behave predictably, securely, and consistently across all compliant
   implementations. The lifecycle graph defines the complete set of
   allowable transitions and prohibits undefined or ambiguous behavior.

46.  Environment Validation, Trust Signals, and Execution Preconditions


   SDLP-governed objects MUST validate their execution environment before
   performing any lifecycle operation. Environment validation ensures
   that the object is running within a trusted, non-spoofed, non-
   tampered context. If the environment cannot be validated, the object
   MUST refuse execution or initiate mandatory bitdump depending on the
   severity of the violation.

   Environment validation MUST be deterministic, canonical, and
   reproducible across all compliant implementations.

   Environment Trust Requirements:

   *  The environment MUST provide a verifiable trust signal.
   *  The environment MUST NOT be spoofed, emulated, or replayed.
   *  The environment MUST NOT allow unauthorized debugger attachment.
   *  The environment MUST NOT allow unauthorized memory inspection.
   *  The environment MUST NOT allow modification of executable code.
   *  The environment MUST NOT allow time manipulation or clock rollback.
   *  The environment MUST NOT allow virtualization unless explicitly
      permitted by policy.

   Trust Signals:

   The environment MUST provide one or more of the following canonical
   trust signals:

   *  Hardware-backed attestation (TPM, Secure Enclave, or equivalent)
   *  EnvironmentKey signature validation
   *  Verified runtime integrity measurement
   *  Verified OS integrity measurement
   *  Verified application container integrity
   *  Verified anti-debugger state
   *  Verified anti-tamper state

   Trust signals MUST be:

   *  Cryptographically verifiable
   *  Non-spoofable
   *  Non-replayable
   *  Canonically encoded
   *  Included in lineage entries

   Execution Preconditions:

   Before performing any lifecycle operation, the object MUST validate:

   *  Environment trust signals
   *  ObjectKey integrity
   *  Lineage integrity
   *  Policy compliance
   *  Decay physics consistency
   *  Canonical encoding of all inputs
   *  Timestamp monotonicity

   If any precondition fails, the object MUST refuse execution.

   Environment Validation Events:


   *  Environment validation MUST occur at startup.
   *  Environment validation MUST occur before each lifecycle operation.
   *  Environment validation MUST occur continuously during execution.
   *  Environment validation MUST be recorded as lineage entries.

   Environment Spoofing Detection:

   The following conditions MUST be treated as tamper events:

   *  Debugger attachment without authorization
   *  Memory inspection without authorization
   *  Modification of executable code
   *  Virtualization when not permitted by policy
   *  Clock rollback or timestamp manipulation
   *  Replay of previous trust signals
   *  Injection of forged trust signals
   *  OS-level or runtime-level integrity failure

   Tamper Response:

   *  Minor violations MUST cause immediate refusal of execution.
   *  Major violations MUST trigger mandatory bitdump.
   *  Environment spoofing is always a major violation.

   Environment Replay Protection:

   *  Trust signals MUST include nonces or monotonic counters.
   *  Trust signals MUST NOT be accepted if previously observed.
   *  Trust signals MUST be bound to the current timestamp.
   *  Trust signals MUST be bound to the current object identity.

   Environment Validation Failure Behavior:

   *  The object MUST NOT execute lifecycle operations.
   *  The object MUST NOT modify state.
   *  The object MUST NOT sign lineage entries.
   *  The object MUST NOT consume or transfer.
   *  The object MUST NOT accept policy updates.

   Canonical environment validation ensures that SDLP-governed objects
   operate only within trusted, verifiable, and tamper-resistant
   contexts. Environment trust is a mandatory prerequisite for all
   lifecycle operations and forms a critical component of SDLP's digital
   physics model.

47.  Policy Enforcement, Thresholds, and Runtime Constraints

   SDLP policies define the operational constraints, thresholds, and
   behavioral limits that govern an object's runtime behavior. Policies
   MUST be deterministic, canonical, and cryptographically signed by the
   PolicyAuthorityKey. SDLP-governed objects MUST enforce policy rules
   before performing any lifecycle operation.

   Policies MUST NOT be advisory or optional. Policy enforcement is a
   mandatory component of SDLP digital physics.

   Policy Structure:


   Each policy MUST contain the following canonical fields:

   *  PolicyVersion: A monotonically increasing integer.
   *  PolicyAuthoritySignature: A signature over all canonical fields.
   *  Thresholds: Policy-defined operational limits.
   *  Permissions: Allowed lifecycle operations.
   *  Restrictions: Prohibited lifecycle operations.
   *  EnvironmentRules: Required trust conditions.
   *  DecayRules: Policy-defined decay thresholds.
   *  TransferRules: Ownership and movement constraints.
   *  TimestampRules: Clock and monotonicity requirements.

   Policy Application:

   *  Policies MUST be validated before application.
   *  Policies MUST be recorded as lineage entries.
   *  Policies MUST NOT be applied retroactively.
   *  Policies MUST NOT modify historical lineage.
   *  Policies MUST NOT override decay physics or tamper physics.

   Threshold Enforcement:

   Policies may define thresholds that restrict or modify runtime
   behavior. Thresholds MUST be deterministic and MUST NOT conflict with
   SDLP physics.

   Examples of policy-defined thresholds:

   *  Minimum P required for transfer
   *  Maximum number of plays per time window
   *  Maximum rewind distance before restriction
   *  Environment trust level requirements
   *  Time-based access windows

   Thresholds MUST be enforced at runtime and MUST be validated before
   each lifecycle operation.

   Runtime Constraints:

   Policies may impose runtime constraints on:

   *  Play frequency
   *  Rewind behavior
   *  Copy permissions
   *  Upload permissions
   *  Transfer eligibility
   *  Environment validation frequency
   *  Allowed execution platforms
   *  Allowed geographic regions (if permitted by higher-level policy)

   Runtime constraints MUST be enforced before execution and MUST be
   recorded as lineage entries when they affect state.

   Policy Violations:


   *  Minor violations MUST cause immediate refusal of execution.
   *  Major violations MUST be treated as tamper conditions.
   *  Attempts to bypass policy enforcement MUST trigger mandatory
      bitdump.

   Policy Update Rules:

   *  Policies may be updated only by the PolicyAuthorityKey.
   *  Policy updates MUST be recorded as lineage entries.
   *  Policy updates MUST NOT reduce security guarantees.
   *  Policy updates MUST NOT increase P or modify decay history.
   *  Policy updates MUST NOT alter canonical state transitions.

   Policy and Decay Interaction:

   *  Policies may define additional decay thresholds but may not
      override core decay physics.
   *  Policies may restrict operations when P is below a threshold.
   *  Policies may not prevent hospice entry (P = 1).
   *  Policies may not prevent mandatory destruction (P <= 1).

   Policy and Environment Interaction:

   *  Policies may require specific trust signals.
   *  Policies may prohibit execution in untrusted environments.
   *  Policies may require continuous environment validation.
   *  Policies may define environment-specific restrictions.

   Policy and Transfer Interaction:

   *  Policies may define transfer eligibility rules.
   *  Policies may require CustomerKey signatures.
   *  Policies may restrict transfer frequency or destination.
   *  Policies may prohibit transfer when P is below a threshold.

   Canonical Policy Enforcement:

   *  Policies MUST be enforced before every lifecycle operation.
   *  Policies MUST be validated continuously during execution.
   *  Policies MUST be cryptographically verifiable.
   *  Policies MUST be immutable once applied.

   Policy enforcement ensures that SDLP-governed objects operate within
   defined constraints, respect lifecycle limits, and maintain secure,
   predictable behavior across all compliant implementations. Policies
   form the governance layer of SDLP's digital physics model.

48.  Transfer Mechanics, Ownership Binding, and CustomerKey Requirements

   SDLP-governed objects support cryptographically verifiable ownership
   binding and transfer operations. Ownership is represented by the
   CustomerKey, which MUST be used to authorize transfers, validate
   possession, and bind the object to a specific customer identity
   without revealing personal information.


   Ownership binding MUST be deterministic, canonical, and tamper-
   evident. Transfers MUST be atomic, signed, and recorded as lineage
   entries.

   CustomerKey Requirements:

   *  The CustomerKey MUST be an asymmetric keypair with at least
      128-bit security strength.
   *  The CustomerKey MUST be generated and controlled by the customer.
   *  The CustomerKey MUST NOT be derived from personal identifiers.
   *  The CustomerKey MUST NOT be exportable by the SDLP object.
   *  The CustomerKey MUST NOT be replaced without a transfer event.
   *  The CustomerKey MUST NOT be used for encryption or key exchange.

   Ownership Binding:

   *  Ownership is established when the CustomerKey signs a binding
      event.
   *  Ownership binding MUST be recorded as a lineage entry.
   *  Ownership binding MUST include:
      - CustomerKey public component
      - Timestamp
      - PolicyVersion
      - Environment validation data
      - Signature over canonical fields
   *  Ownership binding MUST be validated before any lifecycle operation.

   Transfer Mechanics:

   *  Transfers MUST be authorized by the current owner using the
      CustomerKey.
   *  Transfers MUST be accepted by the recipient using their own
      CustomerKey.
   *  Transfers MUST be recorded as lineage entries.
   *  Transfers MUST be atomic and MUST NOT allow partial completion.
   *  Transfers MUST NOT modify decay history or increase P.
   *  Transfers MUST NOT bypass environment validation.

   Transfer Preconditions:

   Before a transfer may occur, the object MUST validate:

   *  CustomerKey signature from the current owner
   *  CustomerKey signature from the recipient
   *  Environment trust signals
   *  Policy-defined transfer eligibility
   *  Decay physics consistency
   *  Timestamp monotonicity
   *  Canonical encoding of all transfer fields

   Transfer Eligibility Rules:

   Policies may define transfer restrictions, including:


   *  Minimum P required for transfer
   *  Maximum number of transfers per time window
   *  Allowed geographic regions
   *  Allowed execution platforms
   *  Required environment trust levels
   *  Prohibition of transfer during Restricted or Hospice states

   Transfer Rejection Conditions:

   Transfers MUST be rejected if:

   *  CustomerKey signatures are invalid
   *  Environment validation fails
   *  Policy prohibits transfer
   *  P is below a policy-defined threshold
   *  The object is in Hospice or Decayed state
   *  The transfer would violate canonical sequencing
   *  The transfer would create parallel lineage

   Transfer and Lineage:

   *  Transfers MUST be recorded as lineage entries.
   *  Transfer entries MUST include:
      - PreviousHash
      - NewState
      - EventType = Transfer
      - CustomerKey (old)
      - CustomerKey (new)
      - Timestamp
      - PolicyVersion
      - EnvironmentInfo
      - Signature
   *  Transfer entries MUST be validated before execution.

   Transfer and Decay Interaction:

   *  Transfers MUST NOT modify P.
   *  Transfers MUST NOT reset decay thresholds.
   *  Transfers MUST NOT bypass hospice or mandatory destruction.
   *  Transfers MUST NOT occur when P <= 1.

   Transfer and Tamper Interaction:

   The following MUST be treated as tamper conditions:

   *  Attempting to transfer without CustomerKey authorization
   *  Attempting to forge CustomerKey signatures
   *  Attempting to modify transfer lineage entries
   *  Attempting to bypass transfer eligibility rules
   *  Attempting to transfer from an untrusted environment

   Tamper-induced transfers MUST trigger mandatory bitdump.

   Canonical Ownership Model:


   *  Ownership MUST be cryptographically verifiable.
   *  Ownership MUST be transferable only through canonical events.
   *  Ownership MUST NOT be inferred from platform identity.
   *  Ownership MUST NOT be overridden by policy.
   *  Ownership MUST NOT be duplicated or forked.

   Transfer mechanics, ownership binding, and CustomerKey requirements
   ensure that SDLP-governed objects maintain secure, verifiable, and
   tamper-evident ownership throughout their lifecycle. These rules form
   the identity and possession layer of SDLP's digital physics model.

49.  Timestamp Monotonicity, Clock Integrity, and Anti-Rollback Guarantees

   SDLP-governed objects MUST maintain strict timestamp monotonicity and
   MUST validate clock integrity before performing any lifecycle
   operation. Time is a critical component of SDLP digital physics, and
   any attempt to manipulate or spoof temporal data MUST be treated as a
   tamper condition.

   Timestamp Requirements:

   *  All lineage entries MUST include a canonical UNIX epoch timestamp.
   *  Timestamps MUST be strictly monotonic.
   *  Timestamps MUST NOT decrease relative to the previous lineage
      entry.
   *  Timestamps MUST be validated against environment trust signals.
   *  Timestamps MUST be encoded as 64-bit big-endian integers.

   Clock Integrity Requirements:

   *  The environment clock MUST be trusted and verifiable.
   *  The clock MUST NOT be adjustable by unprivileged processes.
   *  The clock MUST NOT be subject to rollback.
   *  The clock MUST NOT be spoofed, virtualized, or replayed.
   *  The clock MUST be validated continuously during execution.

   Anti-Rollback Guarantees:

   *  If the current timestamp is less than the previous lineage
      timestamp, the object MUST treat this as a tamper condition.
   *  Clock rollback MUST trigger mandatory bitdump.
   *  Replay of previously observed timestamps MUST be rejected.
   *  Timestamps MUST be bound to environment trust signals to prevent
      replay attacks.

   Timestamp Validation:

   Before performing any lifecycle operation, the object MUST validate:

   *  Monotonicity relative to the previous lineage entry
   *  Environment-provided time attestation
   *  Policy-defined time windows
   *  Canonical encoding of timestamp fields
   *  Absence of rollback or replay conditions

   Time-Based Policy Enforcement:


   Policies may define:

   *  Access windows
   *  Transfer windows
   *  Maximum play frequency per time interval
   *  Maximum rewind frequency per time interval
   *  Environment validation intervals
   *  Decay threshold timing rules

   Time-based policies MUST be enforced before execution and MUST be
   recorded as lineage entries when they affect state.

   Temporal Tamper Detection:

   The following conditions MUST be treated as tamper events:

   *  Clock rollback
   *  Clock freeze or stalling
   *  Clock acceleration beyond policy limits
   *  Replay of previously observed timestamps
   *  Forged or manipulated time attestation signals
   *  Desynchronization between environment time and object time
   *  Virtualized or emulated time sources

   Temporal Tamper Response:

   *  Minor violations MUST cause immediate refusal of execution.
   *  Major violations MUST trigger mandatory bitdump.
   *  Clock rollback is always a major violation.

   Timestamp and Lineage Interaction:

   *  Each lineage entry MUST have a timestamp greater than or equal to
      the previous entry.
   *  Timestamp monotonicity MUST be validated before writing a new
      lineage entry.
   *  Non-monotonic timestamps MUST invalidate the lineage chain.
   *  Timestamps MUST be included in signature payloads.

   Timestamp and Decay Interaction:

   *  Decay physics MUST NOT be bypassed by manipulating time.
   *  Time-based decay thresholds MUST be enforced strictly.
   *  Hospice and mandatory destruction MUST NOT be delayed by clock
      manipulation.
   *  Time-based restrictions MUST NOT be circumvented by rollback.

   Canonical Temporal Model:

   *  Time MUST be treated as a deterministic, non-reversible dimension.
   *  Time MUST advance monotonically across the object's lifecycle.
   *  Time MUST be cryptographically anchored to environment trust.
   *  Time MUST be immutable once recorded.


   Timestamp monotonicity, clock integrity, and anti-rollback guarantees
   ensure that SDLP-governed objects maintain temporal consistency,
   prevent replay attacks, and enforce time-based policy and decay
   physics. Time is a foundational component of SDLP's digital physics
   model.

50.  Canonical Serialization, Byte Encoding, and Cross-Platform Determinism

   SDLP-governed objects MUST use a canonical, platform-independent
   serialization format for all lifecycle data, lineage entries, policy
   structures, and cryptographic payloads. Canonical serialization
   ensures that SDLP objects behave identically across all compliant
   implementations, regardless of hardware architecture, operating
   system, or runtime environment.

   Canonical serialization is mandatory for all cryptographic operations
   and MUST be applied before hashing, signing, or validating any data.

   Canonical Encoding Rules:

   *  All integers MUST be encoded as big-endian, fixed-width values.
   *  All timestamps MUST be encoded as 64-bit big-endian integers.
   *  All hashes MUST be encoded as raw bytes (not hex, not base64).
   *  All signatures MUST be encoded as raw bytes in canonical order.
   *  All strings MUST be encoded as UTF-8 without BOM.
   *  All boolean values MUST be encoded as a single byte (0x00 or 0x01).
   *  All arrays MUST be length-prefixed using a 32-bit big-endian
      integer.
   *  All structures MUST be encoded in strict field order with no
      optional reordering.

   Prohibited Encoding Variants:

   *  Hexadecimal or base64 encoding of hashes or signatures
   *  Little-endian integer encoding
   *  Variable-width integers
   *  Platform-native serialization formats
   *  JSON, XML, CBOR, protobuf, or other schema-based encodings
   *  Padding, whitespace, or alignment bytes
   *  Floating-point representations of any field

   Canonical Structure Encoding:

   Each canonical structure MUST be encoded as:

   *  FieldCount (32-bit big-endian)
   *  Field1
   *  Field2
   *  ...
   *  FieldN

   Fields MUST be encoded exactly in the order defined by the SDLP
   specification. Missing fields, reordered fields, or additional fields
   invalidate the structure.

   Canonical Lineage Encoding:


   Lineage entries MUST be encoded using the canonical structure rules
   and MUST include:

   *  EntryIndex (64-bit big-endian)
   *  PreviousHash (raw bytes)
   *  NewState (32-bit big-endian)
   *  EventType (32-bit big-endian)
   *  Timestamp (64-bit big-endian)
   *  DecayDelta (32-bit big-endian)
   *  P_After (32-bit big-endian)
   *  EnvironmentInfo (canonical structure)
   *  PolicyVersion (32-bit big-endian)
   *  Signature (raw bytes)

   Canonical Policy Encoding:

   Policies MUST be encoded as:

   *  PolicyVersion (32-bit big-endian)
   *  Thresholds (canonical structure)
   *  Permissions (canonical structure)
   *  Restrictions (canonical structure)
   *  EnvironmentRules (canonical structure)
   *  DecayRules (canonical structure)
   *  TransferRules (canonical structure)
   *  TimestampRules (canonical structure)
   *  PolicyAuthoritySignature (raw bytes)

   Cross-Platform Determinism:

   *  Serialization MUST produce identical byte sequences across all
      platforms.
   *  Hashes computed over canonical data MUST be identical across all
      platforms.
   *  Signatures computed over canonical data MUST be identical across
      all platforms.
   *  Canonical encoding MUST NOT depend on:
      - CPU architecture
      - Endianness
      - Word size
      - Operating system
      - Runtime environment
      - Compiler or interpreter behavior

   Canonical Validation:

   Before accepting any serialized data, SDLP objects MUST validate:

   *  Field order
   *  Field count
   *  Field encoding
   *  Integer width and endianness
   *  Raw byte encoding of hashes and signatures
   *  Absence of padding or extraneous bytes
   *  Canonical UTF-8 encoding for strings

   Serialization Tamper Detection:


   The following conditions MUST be treated as tamper events:

   *  Non-canonical field order
   *  Incorrect integer width or endianness
   *  Hex or base64-encoded hashes or signatures
   *  Additional or missing fields
   *  Non-canonical UTF-8 encoding
   *  Platform-native serialization formats
   *  Floating-point representations of any field

   Tamper Response:

   *  Minor violations MUST cause immediate refusal of execution.
   *  Major violations MUST trigger mandatory bitdump.
   *  Any attempt to bypass canonical serialization is a major
      violation.

   Canonical serialization, byte encoding, and cross-platform
   determinism ensure that SDLP-governed objects maintain consistent,
   verifiable, and tamper-evident behavior across all compliant
   implementations. Canonical encoding is the foundation of SDLP's
   cryptographic and forensic integrity.

51.  Rehydration Prohibition, Resurrection Prevention, and
     Anti-Reinstantiation Guarantees

   SDLP-governed objects MUST enforce strict prohibitions against any
   form of rehydration, resurrection, or reinstantiation after
   destruction. Once an object enters the Bitdumped state, its lifecycle
   is permanently terminated. No compliant implementation may allow an
   object to return to a functional state after destruction.

   Rehydration, resurrection, and reinstantiation attempts MUST be
   treated as tamper events and MUST trigger mandatory bitdump of any
   object involved in the attempt.

   Rehydration Prohibition:

   *  SDLP objects MUST NOT allow reconstruction from serialized data.
   *  SDLP objects MUST NOT allow reloading of previous internal state.
   *  SDLP objects MUST NOT allow reassembly from lineage entries.
   *  SDLP objects MUST NOT allow rollback to earlier lifecycle states.
   *  SDLP objects MUST NOT allow restoration of destroyed key material.

   Resurrection Prevention:

   *  Bitdumped objects MUST NOT be reinitialized.
   *  Bitdumped objects MUST NOT accept new lineage entries.
   *  Bitdumped objects MUST NOT accept new policies.
   *  Bitdumped objects MUST NOT validate environment trust signals.
   *  Bitdumped objects MUST NOT perform any lifecycle operation.

   Anti-Reinstantiation Guarantees:


   *  A destroyed object MUST NOT be instantiated again using the same
      ObjectKey.
   *  A destroyed object MUST NOT be instantiated again using the same
      lineage.
   *  A destroyed object MUST NOT be instantiated again using the same
      identity fields.
   *  Any attempt to recreate an object using prior state MUST be
      treated as a tamper condition.

   Canonical Destruction Finality:

   *  Bitdump is a terminal lifecycle state.
   *  Bitdumped objects MUST be permanently non-functional.
   *  Bitdumped objects MUST NOT be transferable.
   *  Bitdumped objects MUST NOT be recoverable by any means.
   *  Bitdumped objects MUST NOT be rehydrated, resurrected, or
      reinstantiated.

   Rehydration Tamper Detection:

   The following conditions MUST be treated as tamper events:

   *  Loading serialized data from a destroyed object.
   *  Attempting to reconstruct lineage from a destroyed object.
   *  Attempting to restore ObjectKey material.
   *  Attempting to bypass destruction proofs.
   *  Attempting to clone or fork a destroyed object.
   *  Attempting to rebind identity fields after destruction.

   Rehydration Tamper Response:

   *  Minor violations MUST cause immediate refusal of execution.
   *  Major violations MUST trigger mandatory bitdump.
   *  Any attempt to resurrect a destroyed object is a major violation.

   Destruction Proof Requirements:

   *  A destruction proof MUST be final and immutable.
   *  A destruction proof MUST NOT allow reconstruction of the object.
   *  A destruction proof MUST NOT contain recoverable state.
   *  A destruction proof MUST be verifiable without revealing internal
      data.

   Canonical destruction finality ensures that SDLP-governed objects
   cannot be revived, reconstructed, or reinstantiated after destruction.
   These guarantees preserve the integrity of decay physics, tamper
   physics, and the irreversible nature of the Bitdumped state.

52.  Bitdump Mechanics, Zeroization Protocol, and Irreversible
     Destruction Physics


     This section defines the mandatory enforcement behavior associated
     with Zeroization-class terminal states described in SDLP-arch.
     While SDLP-arch specifies the architectural meaning of irreversible
     destruction, this section specifies the normative mechanics,
     sequencing, and security requirements that govern how destruction
     is executed. Bitdump is the canonical enforcement mechanism for
     Predictive Digital Security and MUST be implemented by all SDLP-
     governed objects.

     SDLP-governed objects MUST implement a deterministic, irreversible
     destruction mechanism known as bitdump. Bitdump is the terminal
     lifecycle state and represents the permanent, cryptographically
     provable end of an object's existence. Once bitdump begins, the
     object MUST NOT be recoverable, reconstructable, or executable.

     Bitdump is a mandatory component of SDLP digital physics and MUST be
     triggered under specific conditions defined by decay physics, tamper
     physics, and policy enforcement.

     Bitdump Preconditions:

     Bitdump MUST be initiated when any of the following occur:

     *  P <= 1 (mandatory destruction threshold)
     *  Critical tamper event detected
     *  Lineage corruption or invalidation
     *  ObjectKey corruption or unauthorized replacement attempt
     *  Clock rollback or temporal replay
     *  Environment spoofing or debugger attachment
     *  PolicyAuthoritySignature failure
     *  Explicit policy-defined destruction event

     Bitdump MUST NOT be deferrable, reversible, or suppressible.

     Zeroization Protocol:

     Upon entering bitdump, the object MUST:

     *  Zeroize all cryptographic key material
     *  Zeroize all internal state variables
     *  Zeroize all cached lineage data
     *  Zeroize all environment trust data
     *  Zeroize all policy structures
     *  Zeroize all buffers containing sensitive information

     Zeroization MUST:

     *  Occur in constant time
     *  Be complete and non-recoverable
     *  Not rely on garbage collection or runtime heuristics
     *  Not leave residual data in memory or storage
     *  Not allow partial or selective zeroization

     Destruction Mechanics:

     After zeroization, the object MUST:

     *  Invalidate its ObjectKey permanently
     *  Invalidate all signatures
     *  Invalidate all lineage entries
     *  Invalidate all policy bindings
     *  Invalidate all environment trust bindings
     *  Transition to the Destroyed state


     The Destroyed state MUST be terminal and MUST NOT allow:

     *  Execution
     *  Transfer
     *  Rewind
     *  Play
     *  Policy updates
     *  Environment validation
     *  Serialization
     *  Rehydration
     *  Reinstantiation

     Destruction MUST be absolute.

     Destruction Proof:

     After bitdump completes, the object MUST emit a destruction proof
     containing:

     *  Final lineage hash
     *  Timestamp of destruction
     *  Reason code (Decay, Tamper, Policy, or Critical Fault)
     *  Zeroization confirmation flag

     The destruction proof MUST:

     *  Be verifiable externally
     *  Not contain sensitive material
     *  Not reveal internal state
     *  Not allow reconstruction of the object

     Destruction proof MUST NOT be signed by the ObjectKey, as the key is
     zeroized prior to emission.

     Destruction and Lineage:

     *  Bitdump MUST NOT write a new lineage entry.
     *  Lineage MUST be considered complete at the last valid entry.
     *  Destruction proof MUST reference the final lineage hash.
     *  Lineage MUST NOT be modifiable after destruction.

     Destruction and Decay Interaction:

     *  P <= 1 MUST always trigger bitdump.
     *  Decay physics MUST NOT be bypassed or delayed.
     *  Hospice state MUST NOT prevent destruction.
     *  Policy MUST NOT override mandatory destruction.

     Destruction and Tamper Interaction:

     *  Critical tamper events MUST trigger immediate bitdump.
     *  Tamper-induced destruction MUST NOT allow any further execution.
     *  Tamper events MUST NOT allow partial zeroization.

     Post-Destruction Behavior:


     *  The object MUST be permanently non-functional.
     *  The object MUST NOT respond to any lifecycle operations.
     *  The object MUST NOT validate, serialize, or execute.
     *  The object MUST NOT be transferable.
     *  The object MUST NOT be recoverable by any means.

     Bitdump mechanics, zeroization protocol, and irreversible destruction
     physics ensure that SDLP-governed objects terminate cleanly,
     securely, and provably. Destruction is a fundamental component of
     SDLP's digital physics model and guarantees the finality and
     integrity of the lifecycle.

53.  Rehydration Prohibition, Resurrection Prevention, and
     Anti-Reinstantiation Physics

     This section defines the mandatory enforcement behavior associated
     with destruction finality as described in SDLP-arch. While SDLP-arch
     establishes the architectural principle that Zeroization-class
     states are irreversible, this section specifies the normative
     security requirements that prevent any form of rehydration,
     resurrection, or reinstantiation after destruction. These guarantees
     preserve the integrity of decay physics, tamper physics, and the
     irreversible nature of the Bitdumped state.

     SDLP-governed objects MUST enforce strict prohibitions against any
     form of rehydration, resurrection, or reinstantiation after
     destruction. Once an object enters the Bitdumped state, its
     lifecycle is permanently terminated. No compliant implementation may
     allow an object to return to a functional state after destruction.

     Rehydration, resurrection, and reinstantiation attempts MUST be
     treated as tamper events and MUST trigger mandatory bitdump of any
     object involved in the attempt.

     Rehydration Prohibition:

     *  SDLP objects MUST NOT allow reconstruction from serialized data.
     *  SDLP objects MUST NOT allow reloading of previous internal state.
     *  SDLP objects MUST NOT allow reassembly from lineage entries.
     *  SDLP objects MUST NOT allow rollback to earlier lifecycle states.
     *  SDLP objects MUST NOT allow restoration of destroyed key material.

     Resurrection Prevention:

     *  Bitdumped objects MUST NOT be reinitialized.
     *  Bitdumped objects MUST NOT accept new lineage entries.
     *  Bitdumped objects MUST NOT accept new policies.
     *  Bitdumped objects MUST NOT validate environment trust signals.
     *  Bitdumped objects MUST NOT perform any lifecycle operation.

     Anti-Reinstantiation Guarantees:


     *  A destroyed object MUST NOT be instantiated again using the same
        ObjectKey.
     *  A destroyed object MUST NOT be instantiated again using the same
        lineage.
     *  A destroyed object MUST NOT be instantiated again using the same
        identity fields.
     *  Any attempt to recreate an object using prior state MUST be
        treated as a tamper condition.

     Canonical Destruction Finality:

     *  Bitdump is a terminal lifecycle state.
     *  Bitdumped objects MUST be permanently non-functional.
     *  Bitdumped objects MUST NOT be transferable.
     *  Bitdumped objects MUST NOT be recoverable by any means.
     *  Bitdumped objects MUST NOT be rehydrated, resurrected, or
        reinstantiated.

     Rehydration Tamper Detection:

     The following conditions MUST be treated as tamper events:

     *  Loading serialized data from a destroyed object.
     *  Attempting to reconstruct lineage from a destroyed object.
     *  Attempting to restore ObjectKey material.
     *  Attempting to bypass destruction proofs.
     *  Attempting to clone or fork a destroyed object.
     *  Attempting to rebind identity fields after destruction.

     Rehydration Tamper Response:

     *  Minor violations MUST cause immediate refusal of execution.
     *  Major violations MUST trigger mandatory bitdump.
     *  Any attempt to resurrect a destroyed object is a major violation.

     Destruction Proof Interaction:

     *  Destruction proofs MUST NOT contain recoverable state.
     *  Destruction proofs MUST NOT allow reconstruction of the object.
     *  Destruction proofs MUST be verifiable without revealing internal
        data.
     *  Destruction proofs MUST be immutable once emitted.

     Canonical destruction finality ensures that SDLP-governed objects
     cannot be revived, reconstructed, or reinstantiated after
     destruction. These guarantees preserve the integrity of decay
     physics, tamper physics, and the irreversible nature of the
     Bitdumped state.

54.  Initialization Enforcement and Pre-Init Termination Mechanics

     This section defines the enforcement requirements governing the
     Initialization phase of an SDLP instance. Initialization is the
     mandatory trust boundary at which an encoded instance evaluates its
     host environment to determine whether lifecycle activation may
     proceed. If any Initialization precondition fails, the instance MUST
     perform Pre-Init Termination. Because the instance has not yet
     entered the lifecycle, Pre-Init Termination is a security measure
     rather than a lifecycle event.

54.1  Initialization Preconditions

     An SDLP instance MUST evaluate the following conditions prior to
     Initialization. Failure of any condition MUST result in Pre-Init
     Termination.

     *  Environment Integrity: The host environment MUST NOT exhibit
        corruption, instability, or incomplete initialization.

     *  Trust Anchors: Required trust anchors MUST be present, valid, and
        cryptographically verifiable.

     *  Time Integrity: The environment MUST provide a time source that
        satisfies SDLP time-integrity requirements.

     *  Lineage Preconditions: The environment MUST provide the lineage
        context necessary to validate the instance�s lineage seed.

     *  Policy Preconditions: The environment MUST provide the policy
        bindings required for activation.

     *  Anti-Tamper Preconditions: The environment MUST NOT exhibit
        tamper, replay, debugging, or instrumentation characteristics.

54.2  Initialization Validation Procedure

     Prior to activation, an SDLP instance MUST perform the following
     validation steps in the order defined:

     1.  Verify environment integrity.
     2.  Validate trust anchors.
     3.  Validate time integrity.
     4.  Validate lineage prerequisites.
     5.  Validate policy prerequisites.
     6.  Evaluate anti-tamper conditions.
     7.  Confirm that no prohibited conditions are present.

     If all steps succeed, Initialization MAY proceed. If any step fails,
     the instance MUST perform Pre-Init Termination.

54.3  Pre-Init Termination Requirements

     When Initialization preconditions are not met, the instance MUST:

     *  Immediately cease all activation attempts.
     *  Zeroize all volatile cryptographic material.
     *  Emit a Bitdump containing a Pre-Init Termination reason code.
     *  Emit an LDR indicating that the instance never entered the
        lifecycle.
     *  Enter a terminal state from which no activation is possible.

     Pre-Init Termination MUST NOT be suppressible, deferrable, or
     overrideable by any user, platform, or external process.

54.4  Prohibited Conditions

     The following conditions MUST result in immediate Pre-Init
     Termination:

     *  Debugger presence or instrumentation.
     *  Replay of Initialization context.
     *  Rooted, jailbroken, or privilege-escalated environments.
     *  Missing or invalid trust anchors.
     *  Invalid or unverifiable time source.
     *  Corrupted or incomplete environment state.
     *  Missing lineage or policy prerequisites.
     *  Any condition that would compromise lifecycle integrity.

54.5  Post-Termination Behavior

     After Pre-Init Termination:

     *  The instance MUST NOT attempt re-Initialization.
     *  The instance MUST NOT enter any lifecycle state.
     *  The instance MUST NOT accept further input.
     *  The instance MUST NOT be capable of rehydration, resurrection, or
        reinstantiation.
     *  The instance MUST be treated as a terminated object for all
        purposes of SDLP enforcement.

54.6  Security Rationale

     Initialization is the final opportunity for an SDLP instance to
     prevent activation in an unsafe environment. Because user behavior
     and platform integrity cannot be relied upon as security controls,
     Pre-Init Termination ensures that:

     *  protected content cannot be extracted,
     *  identity and lineage cannot be compromised,
     *  policy cannot be bypassed,
     *  lifecycle integrity cannot be subverted, and
     *  unsafe environments cannot coerce activation.

54.7  Summary

     Initialization Enforcement ensures that SDLP instances activate only
     in environments capable of upholding SDLP security guarantees.
     Pre-Init Termination provides mandatory protection against unsafe or
     adversarial conditions. Together, these mechanics preserve the
     integrity of identity, lineage, policy, and lifecycle continuity
     across the SDLP ecosystem.

55.  Security Considerations

    SDLP is a security architecture. All sections of this document are
    security-relevant. The protocol defines strict lifecycle controls,
    irreversible destruction rules, tamper-detection mechanisms, trust
    evaluation requirements, and deterministic serialization guarantees
    intended to prevent duplication, forgery, rollback, replay, and
    unauthorized reinstantiation of SDLP-governed objects.

    Implementations MUST ensure that all cryptographic operations,
    environmental attestation steps, trust evaluations, and lifecycle
    transitions are performed exactly as specified. Deviations from the
    SDLP physics model may result in security vulnerabilities, including
    unauthorized object recovery, lineage corruption, or bypass of
    Bit-Drop destruction guarantees.

    Implementations MUST also ensure that environment trust signals,
    timestamp sources, policy authorities, and distributor credentials
    are authenticated and cannot be spoofed, replayed, or substituted.
    Failure to validate these signals may allow unauthorized activation,
    lifecycle manipulation, or evasion of destruction requirements.

    SDLP-compliant systems MUST treat all untrusted environments as
    hostile. Any detection of tampering, corruption, or malicious
    interference MUST trigger SafeMode, Restricted state, or immediate
    Bit-Drop as defined by the SDLP lifecycle physics and trust model.

    Implementers MUST ensure that logs, policies, and event payloads are
    immutable, append-only, and cryptographically verifiable. Any break
    in log-chain integrity, policy signature validity, or event
    authenticity MUST be treated as a security-critical condition.

    SDLP relies on deterministic behavior for all lifecycle, compliance,
    and destruction operations. Non-deterministic behavior, ambiguous
    state transitions, or inconsistent serialization may introduce
    exploitable inconsistencies and MUST be avoided.

    Implementations MUST assume that adversaries may attempt to exploit
    timing, ordering, or environmental inconsistencies to bypass
    lifecycle controls. All SDLP operations MUST therefore be atomic,
    reproducible, and resistant to manipulation.

    Finally, implementers MUST ensure that Bit-Drop is implemented as an
    instantaneous, irreversible destruction operation. Partial
    destruction, delayed destruction, or recoverable destruction
    semantics are prohibited and constitute a violation of SDLP�s
    security guarantees.

56.  IANA Considerations

   This document has no IANA actions.

57.  Acknowledgments

   The author acknowledges the contributions of reviewers, implementers,
   and members of the SDLP community whose feedback helped refine the
   architecture and clarify the digital physics model.

58.  Changelog

   draft-norton-sdlp-sec-arch-00

   *  Initial version of the SDLP Security Architecture.
   *  Includes structural definitions, object model, identifiers,
      lineage primitives, policy structures, environment model, and
      lifecycle framework.
   *  Physics Layer (Sections 39-54) will be introduced in
      draft-norton-sdlp-sec-arch-01.

59.  Author's Address

    M. Norton
    Email: mark433norton@gmail.com

   This Internet-Draft will expire in six months from the date of
   publication.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF). They are not standards-track documents and may be
   updated, replaced, or obsoleted at any time.