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Use hex.EncodeToString to encode to hex
Using the EncodeToString function from the encoding/hex package is much faster than calling the fmt.Sprintf with %x Benchmark results below with the following code func BenchmarkHexPrint(b *testing.B) { data := []byte("hellothere") for n := 0; n < b.N; n++ { // _ = fmt.Sprintf("%x", data) _ = hex.EncodeToString(data) } } name old time/op new time/op delta HexPrint-4 188ns ± 1% 99ns ± 1% -47.40% (p=0.008 n=5+5) name old alloc/op new alloc/op delta HexPrint-4 64.0B ± 0% 64.0B ± 0% ~ (all equal) name old allocs/op new allocs/op delta HexPrint-4 2.00 ± 0% 2.00 ± 0% ~ (all equal)
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@ -8,7 +8,6 @@ import (
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"encoding/base64"
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"encoding/hex"
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"errors"
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"fmt"
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"hash"
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"strings"
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)
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@ -30,7 +29,7 @@ func GetRandomString(n int, alphabets ...byte) string {
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func EncodePassword(password string, salt string) string {
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newPasswd := PBKDF2([]byte(password), []byte(salt), 10000, 50, sha256.New)
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return fmt.Sprintf("%x", newPasswd)
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return hex.EncodeToString(newPasswd)
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}
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// Encode string to md5 hex value.
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