SHA (utasításkészlet)

Az Intel SHA Extensions az x86 utasításkészlet-architektúra bővítményei, amelyek támogatják a Secure Hash Algorithm (SHA) család hardveres gyorsítását. 2013-ban vezették be. Az SHA-512-re vonatkozó utasításokat 2024-ben vezetik be az Arrow Lake és a Lunar Lake processzorokkal.

Az eredeti SSE-alapú bővítmények négy, az SHA-1-et támogató SHA-256-hoz pedig három utasítást adtak. Az AVX-alapú változatok V előtaggal is elérhetőek.

  • SHA-1: SHA1RNDS4, SHA1NEXTE, SHA1MSG1, SHA1MSG2
  • SHA-256: SHA256RNDS2, SHA256MSG1, SHA256MSG2

Az AVX-alapú bővítmények három újabb utasítással bővültek, az SHA-512 támogatására:

  • VSHA512RNDS2, VSHA512MSG1, VSHA512MSG2

x86 architektúrájú processzorok

Intel

A következő Intel processzorok az eredeti SHA utasításkészletet támogatják:

  • Intel Goldmont (és későbbi Atom mikroarchitektúrájú processzorok.[1]
  • Intel Ice Lake (és újabb) processzorok.[2]
  • Intel Rocket Lake (és újabb) processzorok.

Az alábbi Intel processzorok az újabb SHA-512 utasításkészletet is támogatni fogják:

  • Intel Arrow Lake és Lunar Lake processzorok.

AMD

Számos AMD processzor támogatja az eredeti SHA utasításkészletet:

  • AMD Zen (és újabb) processzorok.[3]

Jegyzetek

  1. ↑ Goldmont - Microarchitectures - Intel - WikiChip (angol nyelven). en.wikichip.org. (Hozzáférés: 2020. június 26.)
  2. ↑ Ice Lake (client) - Microarchitectures - Intel - WikiChip (angol nyelven). en.wikichip.org. (Hozzáférés: 2020. június 26.)
  3. ↑ Zen - Microarchitectures - AMD - WikiChip (angol nyelven). en.wikichip.org. (Hozzáférés: 2020. június 26.)

Fordítás

Ez a szócikk részben vagy egészben az Intel SHA extensions című angol Wikipédia-szócikk ezen változatának fordításán alapul. Az eredeti cikk szerkesztőit annak laptörténete sorolja fel. Ez a jelzés csupán a megfogalmazás eredetét és a szerzői jogokat jelzi, nem szolgál a cikkben szereplő információk forrásmegjelöléseként.

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