44 lines
1.1 KiB
Lua
44 lines
1.1 KiB
Lua
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--[[
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* px5g - Embedded x509 key and certificate generator based on PolarSSL
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*
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* Copyright (C) 2009 Steven Barth <steven@midlink.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License, version 2.1 as published by the Free Software Foundation.
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]]--
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local nixio = require "nixio"
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local table = require "table"
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module "px5g.util"
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local preamble = {
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key = "-----BEGIN RSA PRIVATE KEY-----",
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cert = "-----BEGIN CERTIFICATE-----",
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request = "-----BEGIN CERTIFICATE REQUEST-----"
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}
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local postamble = {
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key = "-----END RSA PRIVATE KEY-----",
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cert = "-----END CERTIFICATE-----",
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request = "-----END CERTIFICATE REQUEST-----"
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}
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function der2pem(data, type)
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local b64 = nixio.bin.b64encode(data)
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local outdata = {preamble[type]}
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for i = 1, #b64, 64 do
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outdata[#outdata + 1] = b64:sub(i, i + 63)
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end
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outdata[#outdata + 1] = postamble[type]
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outdata[#outdata + 1] = ""
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return table.concat(outdata, "\n")
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end
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function pem2der(data)
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local b64 = data:gsub({["\n"] = "", ["%-%-%-%-%-.-%-%-%-%-%-"] = ""})
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return nixio.bin.b64decode(b64)
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end
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