6c3f97399a
tlog is used heavily everywhere and deserves a shorter name.
Renamed using sed magic, without any manual rework:
find * -type f -exec sed -i 's/toggledlog/tlog/g' {} +
31 lines
762 B
Go
31 lines
762 B
Go
package prefer_openssl
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import (
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"io/ioutil"
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"regexp"
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"github.com/rfjakob/gocryptfs/internal/tlog"
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)
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// filePreferOpenSSL tells us if OpenSSL is faster than Go GCM on this machine.
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// Go GCM is fastern when the CPU has AES instructions and Go is v1.6 or higher.
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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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//
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// filePreferOpenSSL takes an explicit filename so it can be tested with saved
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// cpuinfo files instead of /proc/cpuinfo.
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func filePreferOpenSSL(file string) bool {
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ci, err := ioutil.ReadFile(file)
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if err != nil {
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tlog.Warn.Println(err)
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return true
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}
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haveAes, err := regexp.Match(`(?m)^flags.*\baes\b`, ci)
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if err != nil {
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tlog.Warn.Println(err)
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return true
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}
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return !haveAes
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}
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