22 lines
524 B
Go
22 lines
524 B
Go
// +build go1.6,amd64
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// go1.6+ AND amd64
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package prefer_openssl
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import (
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"github.com/rfjakob/gocryptfs/internal/stupidgcm"
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)
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// PreferOpenSSL tells us if OpenSSL is faster than Go GCM on this machine.
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// Go GCM is faster when the CPU has AES instructions and Go is v1.6 or higher
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// on amd64.
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//
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// See https://github.com/rfjakob/gocryptfs/issues/23#issuecomment-218286502
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// for benchmarks.
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func PreferOpenSSL() bool {
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if stupidgcm.BuiltWithoutOpenssl {
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return false
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}
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return filePreferOpenSSL("/proc/cpuinfo")
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}
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