29 lines
704 B
Elixir
29 lines
704 B
Elixir
defmodule Mobilizon.Crypto do
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@moduledoc """
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Utility module which contains cryptography related functions.
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"""
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@doc """
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Returns random byte sequence of the length encoded to Base64.
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"""
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@spec random_string(integer) :: String.t()
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def random_string(length) do
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length
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|> :crypto.strong_rand_bytes()
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|> Base.url_encode64()
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end
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@doc """
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Generate RSA 2048-bit private key.
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"""
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@spec generate_rsa_2048_private_key :: String.t()
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def generate_rsa_2048_private_key do
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key = :public_key.generate_key({:rsa, 2048, 65_537})
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entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
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[entry]
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|> :public_key.pem_encode()
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|> String.trim_trailing()
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end
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end
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