From 0a930566b332b31904a7a0ff84b0db3baeb4e989 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Thu, 24 Apr 2014 23:38:47 +0200 Subject: util.x509: And functions for converting between DER and PEM --- util/x509.lua | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'util/x509.lua') diff --git a/util/x509.lua b/util/x509.lua index 857f02a4..1a4f5f38 100644 --- a/util/x509.lua +++ b/util/x509.lua @@ -20,6 +20,7 @@ local nameprep = require "util.encodings".stringprep.nameprep; local idna_to_ascii = require "util.encodings".idna.to_ascii; +local base64 = require "util.encodings".base64; local log = require "util.logger".init("x509"); local pairs, ipairs = pairs, ipairs; local s_format = string.format; @@ -214,4 +215,23 @@ function verify_identity(host, service, cert) return false end +local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n".. +"([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-"; + +function pem2der(pem) + local typ, data = pem:match(pat); + if typ and data then + return base64.decode(data), typ; + end +end + +local wrap = ('.'):rep(64); +local envelope = "-----BEGIN %s-----\n%s\n-----END %s-----\n" + +function der2pem(data, typ) + typ = typ and typ:upper() or "CERTIFICATE"; + data = base64.encode(data); + return s_format(envelope, typ, data:gsub(wrap, '%0\n', (#data-1)/64), typ); +end + return _M; -- cgit v1.2.3 From 2e78da6434c807a033466b32dbc5fd67f9c3b230 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Fri, 25 Apr 2014 02:47:09 +0200 Subject: util.x509: Remove unused imports --- util/x509.lua | 3 --- 1 file changed, 3 deletions(-) (limited to 'util/x509.lua') diff --git a/util/x509.lua b/util/x509.lua index 1a4f5f38..5e1b49e5 100644 --- a/util/x509.lua +++ b/util/x509.lua @@ -22,10 +22,7 @@ local nameprep = require "util.encodings".stringprep.nameprep; local idna_to_ascii = require "util.encodings".idna.to_ascii; local base64 = require "util.encodings".base64; local log = require "util.logger".init("x509"); -local pairs, ipairs = pairs, ipairs; local s_format = string.format; -local t_insert = table.insert; -local t_concat = table.concat; module "x509" -- cgit v1.2.3