1 Scope
[A1_start]This part of ISO/IEC 29192 specifies four lightweight mechanisms using asymmetric techniques:[A1_end]
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— a unilateral authentication mechanism based on discrete logarithms on elliptic curves;
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— an authenticated lightweight key exchange (ALIKE) mechanism for unilateral authentication and establishment of a session key;
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— an identity-based signature mechanism.
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[A1_start]— a unilateral authentication scheme (ELLI) based on discrete logarithms on elliptic curves defined over finite fields of characteristic two.[A1_end]