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32 lines
470 B
Go
32 lines
470 B
Go
//go:build arm64 && !purego
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// +build arm64,!purego
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package sm3
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import (
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"os"
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"golang.org/x/sys/cpu"
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)
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var useSM3NI = cpu.ARM64.HasSM3 && os.Getenv("DISABLE_SM3NI") != "1"
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var t = []uint32{
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0x79cc4519,
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0x9d8a7a87,
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}
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//go:noescape
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func blockARM64(dig *digest, p []byte)
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//go:noescape
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func blockSM3NI(h []uint32, p []byte, t []uint32)
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func block(dig *digest, p []byte) {
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if !useSM3NI {
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blockARM64(dig, p)
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} else {
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h := dig.h[:]
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blockSM3NI(h, p, t)
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}
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}
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