19 lines
517 B
Crystal
19 lines
517 B
Crystal
module Backend::Password
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extend self
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DEFAULT_LEN = 10_u32
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DEFAULT_CHARSET = {
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
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}
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def generate(len : UInt32) : String
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String.build(len) do |s|
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len.times do
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c = DEFAULT_CHARSET.sample(Random::Secure)
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s << (((Random::Secure.rand(UInt8) & 1) == 1) ? c.upcase : c)
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end
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end
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end
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end
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