Lua

Get Issuer Certificate Information

See more Certificates Examples

A certificate contains information about its issuer. This example demonstrates how to get the issuer information from a certificate. Lua

local chilkat = require("chilkat")

local cert = chilkat.Cert.new()

local success = cert:load_from_file("qa_data/certs/sample.cer")
if not success then
    print(cert.last_error_text)
    return
end

-- Get issuer information:

-- -----------------------------------------------------------------------
-- (Not all subject fields may exist depending on the issuer certificate.)
-- -----------------------------------------------------------------------

-- Issuer DN (Distinguished Name, i.e. all the Issuer subject parts)
print("DN: " .. cert.issuer_dn)

-- Common Subject parts:
-- Issuer Common Name
print("CN: " .. cert.issuer_cn)

-- Issuer Country
print("C: " .. cert.issuer_c)

-- Issuer Email address
print("E: " .. cert.issuer_e)

-- Issuer Locality
print("L: " .. cert.issuer_l)

-- Issuer Organization
print("O: " .. cert.issuer_o)

-- Issuer Organizational Unit
print("OU: " .. cert.issuer_ou)

-- Issuer State
print("S: " .. cert.issuer_s)