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feat: Use crypto/rand for secure random string generation (#293)

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Plynksiy Nikita
2025-06-18 15:47:24 +03:00
committed by GitHub
parent fb34d0ac83
commit aa04b225b9
1 changed files with 7 additions and 3 deletions
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10
utils/tools.go
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@@ -2,9 +2,9 @@ package utils
import ( import (
"crypto/md5" "crypto/md5"
crand "crypto/rand"
"encoding/json" "encoding/json"
"fmt" "fmt"
"math/rand"
"reflect" "reflect"
"runtime/debug" "runtime/debug"
"strings" "strings"
@@ -69,8 +69,12 @@ func RandomString(n int) string {
const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
length := len(letterBytes) length := len(letterBytes)
b := make([]byte, n) b := make([]byte, n)
for i := range b { randomBytes := make([]byte, n)
b[i] = letterBytes[rand.Intn(length)] if _, err := crand.Read(randomBytes); err != nil {
return ""
}
for i, rb := range randomBytes {
b[i] = letterBytes[int(rb)%length]
} }
return string(b) return string(b)
} }