CRandHex: fix up doc to mention length of digits
The previous doc seemed misleading and was out of date i.e. RandHex(24) not CRandHex. Anyways provide a doc of what the function does in relation to the length of digits of the hex value returned i.e. floor(numDigits / 2) * 2 so the even lowest number e.g: * len(CRandHex(5)) = 4 * len(CRandHex(4)) = 4
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@ -44,7 +44,10 @@ func CRandBytes(numBytes int) []byte {
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return b
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}
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// RandHex(24) gives 96 bits of randomness, strong enough for most purposes.
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// CRandHex returns a hex encoded string that's floor(numDigits/2) * 2 long.
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//
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// Note: CRandHex(24) gives 96 bits of randomness that
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// are usually strong enough for most purposes.
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func CRandHex(numDigits int) string {
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return hex.EncodeToString(CRandBytes(numDigits / 2))
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}
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