Lua Requires Chilkat v11.0.0+
Lua
Duplicate CSR Created by OpenSSL with Config.cnf
See more CSR Examples
Demonstrates how to duplicate a CSR created by the following commands:# Generate Private Key openssl ecparam -name secp256k1 -genkey -noout -out PrivateKey.pem #Generate CSR openssl req -new -sha256 -key PrivateKey.pem -extensions v3_req -config Config.cnf -out CSR.csr
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local chilkat = require("chilkat")
-- This example assumes the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.
-- This example duplicates the CSR created by OpenSSL with the following config file:
-- oid_section = OIDs
-- [ OIDs ]
-- certificateTemplateName= 1.3.6.1.4.1.311.20.2
--
-- [ req ]
-- default_bits = 2048
-- emailAddress = it@example.sa
-- req_extensions = v3_req
-- x509_extensions = v3_ca
-- prompt = no
-- default_md = sha256
-- req_extensions = req_ext
-- distinguished_name = dn
--
-- [ v3_req ]
-- basicConstraints = CA:FALSE
-- keyUsage = digitalSignature, nonRepudiation, keyEncipherment
--
-- [req_ext]
-- certificateTemplateName = ASN1:PRINTABLESTRING:ZATCA-Code-Signing
-- subjectAltName = dirName:alt_names
--
-- [ dn ]
-- CN =EXAMPLE-CORP # Common Name
-- C=SA # Country Code e.g SA
-- OU=HEAD-OFFICE # Organization Unit Name
-- O=ASC # Organization Name
--
-- [alt_names]
-- SN=1-ASC|2-V01|3-1234567890 # EGS Serial Number 1-ABC|2-PQR|3-XYZ
-- UID=312345678900003 # Organization Identifier (VAT Number)
-- title=1100 # Invoice Type
-- registeredAddress=Dammam # Address
-- businessCategory=IT # Business Category
-- The OpenSSL commands we are duplicating:
-- openssl ecparam -name secp256k1 -genkey -noout -out PrivateKey.pem
-- openssl req -new -sha256 -key PrivateKey.pem -extensions v3_req -config Config.cnf -out CSR.csr
-- The 1st step is to actually use OpenSSL to generate a sample CSR.csr that we wish to duplicate.
-- With the sample CSR.csr, we get the ExtensionRequest as XML.
-- For example:
local sbCsr = chilkat.StringBuilder.new()
local success = sbCsr:load_file("qa_data/csr/openssl_cnf/CSR.csr", "utf-8")
if not success then
print("Failed to load CSR.csr")
return
end
local csr0 = chilkat.Csr.new()
success = csr0:load_csr_pem(sbCsr:get_as_string())
if not success then
print(csr0.last_error_text)
return
end
local xml0 = chilkat.Xml.new()
success = csr0:get_extension_request(xml0)
if not success then
print(csr0.last_error_text)
return
end
-- Let's examine the extension request..
print(xml0:get_xml())
-- <?xml version="1.0" encoding="utf-8"?>
-- <set>
-- <sequence>
-- <sequence>
-- <oid>1.3.6.1.4.1.311.20.2</oid>
-- <asnOctets>
-- <printable>ZATCA-Code-Signing</printable>
-- </asnOctets>
-- </sequence>
-- <sequence>
-- <oid>2.5.29.17</oid>
-- <asnOctets>
-- <sequence>
-- <contextSpecific tag="4" constructed="1">
-- <sequence>
-- <set>
-- <sequence>
-- <oid>2.5.4.4</oid>
-- <utf8>1-ASC|2-V01|3-1234567890</utf8>
-- </sequence>
-- </set>
-- <set>
-- <sequence>
-- <oid>0.9.2342.19200300.100.1.1</oid>
-- <utf8>312345678900003</utf8>
-- </sequence>
-- </set>
-- <set>
-- <sequence>
-- <oid>2.5.4.12</oid>
-- <utf8>1100</utf8>
-- </sequence>
-- </set>
-- <set>
-- <sequence>
-- <oid>2.5.4.26</oid>
-- <utf8>Dammam</utf8>
-- </sequence>
-- </set>
-- <set>
-- <sequence>
-- <oid>2.5.4.15</oid>
-- <utf8>IT</utf8>
-- </sequence>
-- </set>
-- </sequence>
-- </contextSpecific>
-- </sequence>
-- </asnOctets>
-- </sequence>
-- </sequence>
-- </set>
-- If you wish to generate the above XML without going through the above steps, copy the XML into
-- the online tool at https://tools.chilkat.io/xmlCreate
-- Here is the generated code for the above XML:
local xml = chilkat.Xml.new()
xml.tag = "set"
xml:update_child_content("sequence|sequence|oid", "1.3.6.1.4.1.311.20.2")
xml:update_child_content("sequence|sequence|asnOctets|printable", "ZATCA-Code-Signing")
xml:update_child_content("sequence|sequence[1]|oid", "2.5.29.17")
xml:update_attr_at("sequence|sequence[1]|asnOctets|sequence|contextSpecific", true, "tag", "4")
xml:update_attr_at("sequence|sequence[1]|asnOctets|sequence|contextSpecific", true, "constructed", "1")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set|sequence|oid", "2.5.4.4")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set|sequence|utf8", "1-ASC|2-V01|3-1234567890")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[1]|sequence|oid", "0.9.2342.19200300.100.1.1")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[1]|sequence|utf8", "312345678900003")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[2]|sequence|oid", "2.5.4.12")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[2]|sequence|utf8", "1100")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[3]|sequence|oid", "2.5.4.26")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[3]|sequence|utf8", "Dammam")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[4]|sequence|oid", "2.5.4.15")
xml:update_child_content("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[4]|sequence|utf8", "IT")
-- We'll need a new secp256k1 private key, so let's generate it.
local ecdsa = chilkat.Ecc.new()
local prng = chilkat.Prng.new()
local privKey = chilkat.PrivateKey.new()
success = ecdsa:gen_key("secp256k1", prng, privKey)
if not success then
print(ecdsa.last_error_text)
return
end
print("Generated secp256k1 private key.")
-- Use a new CSR object to generate a CSR with the private key and extension request.
local csr = chilkat.Csr.new()
-- Add the [dn] fields
-- [ dn ]
-- CN =EXAMPLE-CORP # Common Name
-- C=SA # Country Code e.g SA
-- OU=HEAD-OFFICE # Organization Unit Name
-- O=ASC # Organization Name
csr.common_name = "EXAMPLE-CORP"
csr.country = "SA"
csr.company_division = "HEAD-OFFICE"
csr.company = "ASC"
-- Add the extension request to the CSR
csr:set_extension_request(xml)
-- Generate the CSR with the extension request
local csrPem = csr:gen_csr_pem(privKey)
if not csr.last_method_success then
print(csr.last_error_text)
return
end
print(csrPem)
-- Sample output:
-- -----BEGIN CERTIFICATE REQUEST-----
-- MIIBuDCCAV8CAQAwSDEVMBMGA1UEAwwMRVhBTVBMRS1DT1JQMQswCQYDVQQGEwJT
-- QTEUMBIGA1UECwwLSEVBRC1PRkZJQ0UxDDAKBgNVBAoMA0FTQzBWMBAGByqGSM49
-- AgEGBSuBBAAKA0IABFI5rusr76HiJcMMr1r4L0B0BOAs6azLkt/RwHoT6A0xFRRt
-- tulWT40tNhx3qJ4I5ePNgMceOEtuK1kMGVTovI6ggbcwgbQGCSqGSIb3DQEJDjGB
-- pjCBozAhBgkrBgEEAYI3FAIEFBMSWkFUQ0EtQ29kZS1TaWduaW5nMH4GA1UdEQR3
-- MHWkczBxMSEwHwYDVQQEDBgxLUFTQ3wyLVYwMXwzLTEyMzQ1Njc4OTAxHzAdBgoJ
-- kiaJk/IsZAEBDA8zMTIzNDU2Nzg5MDAwMDMxDTALBgNVBAwMBDExMDAxDzANBgNV
-- BBoMBkRhbW1hbTELMAkGA1UEDwwCSVQwCgYIKoZIzj0EAwIDRwAwRAIgJnbgpSGb
-- diB+0M1VTqc1GU9sFsfnOvVN/8WhWRRxQIwCIF5eH9vgMgXyoU284X8Bx3dqOJ4q
-- xashGWci87POxSvT
-- -----END CERTIFICATE REQUEST-----