Lua

Get Certificate Subject Part by Name or OID

Demonstrates the GetSubjectPart method where a name or OID can be passed. Lua

local chilkat = require("chilkat")

local cert = chilkat.Cert.new()

local success = cert:load_by_common_name("myCert")
if not success then
    print(cert.last_error_text)
    return
end

-- This example demonstrates getting the SERIALNUMBER part of the subject,
-- if one such part exists in the cert's subject.
-- Not too many certicates include the serial number in the Subject.
-- (Chilean issued certificates for SII is one such case where the SERIALNUMBER part exists within the Subject.)
local serialNum = cert:get_subject_part("SERIALNUMBER")
if not cert.last_method_success then
    print("No SERIALNUMBER part exists.")
    return
end

print(serialNum)

-- We could also get the part by the OID.
-- See https://oidref.com/2.5.4.5 for a list of OID's in the 2.5.4.* range..
-- The OID for SERIALNUMBER is "2.5.4.5"
serialNum = cert:get_subject_part("2.5.4.5")
if not cert.last_method_success then
    print("No SERIALNUMBER part exists.")
    return
end

print(serialNum)