UUID-generator
Pilersitissavigit nalunngissumillu v4 UUID-it. 50-inik ataatsimiittarfiit pilersitissavigit, UUID-it naleqqissariarlugit nalilersoruk.
Qanoq amerlanerannik?
Nalunnarsuissitissap kissaatissaa
UUID-immi nalunnarsuissitissanit kissaatigeqqinneqarsinnaasumik
| Nalunnarsuissitissap kissaatissaa | Algoritmimi | Atorneqarsinnaanissaminni | Type |
|---|---|---|---|
| v1 | Timestamp + MAC address | Sortable IDs, time-ordered databases | Nalunngissumillu |
| v2 | DCE Security (POSIX UID) | Legacy POSIX systems (rare) | Nalunngissumillu |
| v3 | MD5 hash (namespace + name) | Reproducible IDs from a name (legacy) | Nalilersuinerani |
| v4 | Random (122 random bits) | Database primary keys, API request IDs, session tokens | Nalunngissumillu |
| v5 | SHA-1 hash (namespace + name) | Reproducible IDs from a name (preferred over v3) | Nalilersuinerani |
Apersuutit akissarineqaluallaattut
UUID (Universally Unique Identifier) 128-bit nalunnarsuissitissaq, computerimi nalunaarusiorfigineqarsinnaasumik nalilersuiffiusinnaasoq. xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx kisitsisilerineqarpoq (oqaatigineqarsinnaasumik 550e8400-e29b-41d4-a716-446655440000). RFC 4122-imi tallimat nalunnarsuissitissanit kissaatigeqqinneqarsinnaasumit (v1-v5) nalunngissumillu pilersitissavigineqarsinnaapput.
UUID v1 tikiumasumik MAC-imeerluni pilersitissavigineqarpoq - inissisimasoq nalilersorneqarsinnaassasoq. UUID v4 122-bit nalunngissumillu kriptografimik nalilersorneqarsinnaassatut pilersitissavigineqarpoq - nalunngissumik. Database Primary Keys, API Request IDs, Session Tokens-immi v4 nalilersuinissaminni.
UUID v4 122-bit nalunngissumillu atorpoq, 2^122 nalilersorneqarsinnaasumik. UUID-it marluk nalunngissumillu nalilersorneqarsinnaanissaminni kissaatigineqarsinnaanngikkaluarluni. Nalunngissumillu pilersitissavigeqqinneqarsinnaasumit 1 milardit sekundet 100 ukioqatigiit atugarissarsinnaanngikkaluarluni.
UUID v3 immikkut v5 UUID nalunngissumillu nalilersorneqarsinnaassatut atorneqarsinnaapput - oqaatigineqarsinnaasumik URL-imi immikkut email-imi UUID atorneqarsinnaassatut nalilersorneqarsinnaasumik. v5 SHA-1 Hashing atorpoq v3 (MD5)-immiit nalilersorneqarsinnaassasoq.