25 lines
496 B
Go
25 lines
496 B
Go
package wechat
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import (
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"crypto/sha1"
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"encoding/hex"
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"math/rand"
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)
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// RandomString generate random size string
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func randomString(size int) string {
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// generate size string [0-9a-zA-Z]
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const chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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b := make([]byte, size)
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for i := range b {
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b[i] = chars[rand.Intn(len(chars))]
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}
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return string(b)
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}
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func hashSha1(input string) string {
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h := sha1.New()
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h.Write([]byte(input))
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return hex.EncodeToString(h.Sum(nil))
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}
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