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runtime: use rand_hwrng hardwareRand for RP2040/RP2350 (#5135)

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* runtime: use rand_hwrng hardwareRand for RP2040/RP2350

* add a comment

* insert 'implementations'
This commit is contained in:
MakKi (makki_d)
2025-12-19 04:52:12 +09:00
committed by GitHub
parent 8d9c9a16e3
commit f7fd5cf2d8
2 changed files with 6 additions and 21 deletions
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src/runtime/rand_hwrng.go
+6 -1
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@@ -1,7 +1,12 @@
//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt))
//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
// If you update the above build constraint, you'll probably also need to update
// src/crypto/rand/rand_baremetal.go.
//
// The rp2040 and rp2350 implementations are not included in src/crypto/rand/rand_baremetal.go
// due to not being sufficiently random for the Go crypto libs.
// However since the randomness here does not provide those same guarantees,
// they are included in the list for hardwareRand() implementations.
package runtime