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19 lines
549 B
Go
19 lines
549 B
Go
package cpuid
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import (
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"runtime"
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"golang.org/x/sys/cpu"
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)
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var (
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// Keep in sync with crypto/tls/cipher_suites.go.
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hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
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hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
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hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasGHASH
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hasGCMAsmPPC64 = runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le"
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// HasAESGCM indicates whether the CPU has AES-GCM hardware acceleration.
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HasAESGCM = hasGCMAsmAMD64 || hasGCMAsmARM64 || hasGCMAsmS390X || hasGCMAsmPPC64
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)
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