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package util
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import (
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"crypto/rand"
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"encoding/base64"
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)
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// RandomHash generates a random cryptograph base64 string of the given length.
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func RandomHash(len int) string {
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buff := make([]byte, len)
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rand.Read(buff)
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str := base64.StdEncoding.EncodeToString(buff)
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return str[:len]
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}
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