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Five questions that arrive most often, each answered in a paragraph with the clause behind it, a set of question headings and its own FAQ schema. Every answer is also a section on a record page.
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What changed in ISO/IEC 14888-3:2018/Amd 1?
The amendment adds EdDSA for Ed25519 and Ed448 as a fifteenth mechanism, adds a definition and symbols for the twisted Edwards curve group, tightens the hash strength rul...
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Does the amendment add EdDSA?
Yes. The amendment adds EdDSA as a certificate-based mechanism on twisted Edwards curves, with Ed25519 and Ed448 parameter sets, a key generation clause, a signing clause...
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When will ISO/IEC 14888-3:2018/Amd 1 be published?
ISO records stage 60.00, International Standard under publication, on 16 October 2026, after a ballot that closed on 15 October 2026. The text is settled and formal publi...
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Does ISO/IEC 14888-3:2018/Amd 1 apply to my organisation?
Only if a contract, a scheme, a regulator or your own policy points at the standard. The amendment binds nobody by itself. It applies in practice when you sign or verify ...
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What evidence should we keep for the EdDSA amendment?
Five artefacts: a mechanism inventory with the arithmetic setting, parameter set and hash; the EdDSA decision with an owner; a verifier test log with the four rejection c...