SHA-2
(Tùi SHA-256 choán--lâi)
SHA-2 (Secure Hash Algorithm 2) sī chi̍t cho͘ àm-bé-ha̍k Hash koan-sò͘, sī Bí-kok Kok-ka An-choân Pō͘ (United States National Security Agency) siat-kè--ê.
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