Crate encypher_c2pa 

Local-first, verification-only C2PA SDK.

The public facade reads caller-provided bytes and reports integrity separately from trust. Network access occurs only after saved failure telemetry consent or an explicit per-call override.

Structs

DetachedManifestEvidence

Raw, read-only evidence needed to validate an embedded manifest remotely without uploading the host asset.

FreshnessReport

RevocationReport

TelemetryOptions

Per-verification override for persisted failure telemetry consent.

TrustReport

ValidationFailureTelemetry

Privacy-bounded validation failure report. It contains no asset bytes, manifest data, filenames, URLs, keys, trust material, or stable identifiers.

ValidationResults

VerificationReport

VerificationStatus

VerifyOptions

Enums

Error

TelemetryPreferenceError

Constants

C2PA_PROFILE

DEFAULT_TELEMETRY_ENDPOINT

DEFAULT_TRUST_SNAPSHOT_DATE

REPORT_SCHEMA_VERSION

SUPPORTED_EXTENSIONS

Every filename extension the SDK maps to a MIME type, with its mapping.

Functions

detached_manifest_evidence

Extract the signed manifest store and its contiguous carrier for detached server validation.

mime_from_path

Infer a MIME type from a filename extension, case-insensitively.

prompt_for_telemetry_consent

Ask for consent on the first interactive verification and persist the answer. Non-interactive processes return None and remain disabled.

set_telemetry_enabled

Persist the telemetry preference for subsequent verifications by every native Encypher C2PA binding used by this operating-system account.

supported_mime_types

Canonical MIME types covered by the C2PA 2.4 profile and readable by this build.

telemetry_preference

Return the effective saved preference. An environment override takes precedence over the per-user configuration file.

validation_failure_telemetry

verify

Verify asset bytes with default options. Parsing and validation stay offline; saved failure-telemetry consent may emit one bounded request. For guaranteed no egress, disable the telemetry feature or call verify_with_options with telemetry.enabled set to Some(false).

verify_file

Read and verify one local asset.

verify_fragmented

Verify a fragmented ISO BMFF stream with default options.

verify_fragmented_with_options

Verify a fragmented ISO BMFF stream with explicit trust, validation-time, CAWG, and telemetry options.

verify_with_options

Verify asset bytes against the bundled trust snapshots plus any static trust material supplied by the caller. Failure telemetry follows the explicit override or saved per-user preference.