Ruby
Ruby
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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require 'chilkat'
success = false
# 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:
sbCsr = Chilkat::CkStringBuilder.new()
success = sbCsr.LoadFile("qa_data/csr/openssl_cnf/CSR.csr","utf-8")
if (success == false)
print "Failed to load CSR.csr" + "\n";
exit
end
csr0 = Chilkat::CkCsr.new()
success = csr0.LoadCsrPem(sbCsr.getAsString())
if (success == false)
print csr0.lastErrorText() + "\n";
exit
end
xml0 = Chilkat::CkXml.new()
success = csr0.GetExtensionRequest(xml0)
if (success == false)
print csr0.lastErrorText() + "\n";
exit
end
# Let's examine the extension request..
print xml0.getXml() + "\n";
# <?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:
xml = Chilkat::CkXml.new()
xml.put_Tag("set")
xml.UpdateChildContent("sequence|sequence|oid","1.3.6.1.4.1.311.20.2")
xml.UpdateChildContent("sequence|sequence|asnOctets|printable","ZATCA-Code-Signing")
xml.UpdateChildContent("sequence|sequence[1]|oid","2.5.29.17")
xml.UpdateAttrAt("sequence|sequence[1]|asnOctets|sequence|contextSpecific",true,"tag","4")
xml.UpdateAttrAt("sequence|sequence[1]|asnOctets|sequence|contextSpecific",true,"constructed","1")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set|sequence|oid","2.5.4.4")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set|sequence|utf8","1-ASC|2-V01|3-1234567890")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[1]|sequence|oid","0.9.2342.19200300.100.1.1")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[1]|sequence|utf8","312345678900003")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[2]|sequence|oid","2.5.4.12")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[2]|sequence|utf8","1100")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[3]|sequence|oid","2.5.4.26")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[3]|sequence|utf8","Dammam")
xml.UpdateChildContent("sequence|sequence[1]|asnOctets|sequence|contextSpecific|sequence|set[4]|sequence|oid","2.5.4.15")
xml.UpdateChildContent("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.
ecdsa = Chilkat::CkEcc.new()
prng = Chilkat::CkPrng.new()
privKey = Chilkat::CkPrivateKey.new()
success = ecdsa.GenKey("secp256k1",prng,privKey)
if (success == false)
print ecdsa.lastErrorText() + "\n";
exit
end
print "Generated secp256k1 private key." + "\n";
# Use a new CSR object to generate a CSR with the private key and extension request.
csr = Chilkat::CkCsr.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.put_CommonName("EXAMPLE-CORP")
csr.put_Country("SA")
csr.put_CompanyDivision("HEAD-OFFICE")
csr.put_Company("ASC")
# Add the extension request to the CSR
csr.SetExtensionRequest(xml)
# Generate the CSR with the extension request
csrPem = csr.genCsrPem(privKey)
if (csr.get_LastMethodSuccess() == false)
print csr.lastErrorText() + "\n";
exit
end
print csrPem + "\n";
# Sample output:
# -----BEGIN CERTIFICATE REQUEST-----
# MIIBuDCCAV8CAQAwSDEVMBMGA1UEAwwMRVhBTVBMRS1DT1JQMQswCQYDVQQGEwJT
# QTEUMBIGA1UECwwLSEVBRC1PRkZJQ0UxDDAKBgNVBAoMA0FTQzBWMBAGByqGSM49
# AgEGBSuBBAAKA0IABFI5rusr76HiJcMMr1r4L0B0BOAs6azLkt/RwHoT6A0xFRRt
# tulWT40tNhx3qJ4I5ePNgMceOEtuK1kMGVTovI6ggbcwgbQGCSqGSIb3DQEJDjGB
# pjCBozAhBgkrBgEEAYI3FAIEFBMSWkFUQ0EtQ29kZS1TaWduaW5nMH4GA1UdEQR3
# MHWkczBxMSEwHwYDVQQEDBgxLUFTQ3wyLVYwMXwzLTEyMzQ1Njc4OTAxHzAdBgoJ
# kiaJk/IsZAEBDA8zMTIzNDU2Nzg5MDAwMDMxDTALBgNVBAwMBDExMDAxDzANBgNV
# BBoMBkRhbW1hbTELMAkGA1UEDwwCSVQwCgYIKoZIzj0EAwIDRwAwRAIgJnbgpSGb
# diB+0M1VTqc1GU9sFsfnOvVN/8WhWRRxQIwCIF5eH9vgMgXyoU284X8Bx3dqOJ4q
# xashGWci87POxSvT
# -----END CERTIFICATE REQUEST-----