The service of cretion of a qualified electronic time stamp for mutual recognition (Article 26 of the Law) using the international electronic signature algorithms RSA and ECDSA, defined by DSTU ETSI TS 119 312:2022 (ETSI TS 119 312 V1.4.2 (2022-02), IDT) "Electronic signatures and infrastructures (ESI). "Cryptographic suits" of providers who have passed the conformity assessment by the conformity assessment body (Article 32 of the Law)