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Lua Requires Chilkat v11.0.0+

Set .pfx/.p12 Safe Bag Attributes

See more PFX/P12 Examples

Demonstrates how to set safebag attributes in a .pfx/.p12. This example creates a .pfx from a .pem containing a private key and certificates, but also sets PFX safebag attributes before writing the .pfx.

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Lua
local chilkat = require("chilkat")

-- We have a PEM containing one private key, and two certificates:
-- The private key is an ECDSA private key.
-- The private key is associated with the 1st certificate.
-- The 2nd certificate is the issuer of the 1st certificate.

-- -----BEGIN PRIVATE KEY-----
-- ME0CAQAwEwYHKoZIzj0CAQYIKoZIzj0DAQcEMzAxAgEBBCDgAn4Dal+0iEhIsYBk
-- 6SdSR344vyj0suhOIxsjmM19s6AKBggqhkjOPQMBBw==
-- -----END PRIVATE KEY-----
-- -----BEGIN CERTIFICATE-----
-- MIIBXzCCAQSgAwIBAgIUGp2obfF61BG7QTsqpyT+VvxxJC0wCgYIKoZIzj0EAwIw
-- DTELMAkGA1UEAwwCQ0EwHhcNMjAwMzI5MTU1MTEwWhcNMzAwMzI3MTU1MTEwWjAN
-- MQswCQYDVQQDDAJFRTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABEil+DhBUss8
-- kMCjEWvZHA+jdy1mQ76a2HFd+5p+AcFGQxNeG8/HXZax7FFzcrczWrli25R8P8j1
-- cqhwPY4HtwujQjBAMB0GA1UdDgQWBBTenwm6x4A4W5BzZ2OckKA2IFtPSTAfBgNV
-- HSMEGDAWgBTx1U/gWiRhAASl6FV04DxP3XmcazAKBggqhkjOPQQDAgNJADBGAiEA
-- rkqbz5t1M/CjqXSKE5ebBLQ3npF+q7GRC8C2ovDi/xoCIQDGve7OP/ppIDcCNonr
-- +WSRf5M/6Wvw1lnEsAXf3nLTeQ==
-- -----END CERTIFICATE-----
-- -----BEGIN CERTIFICATE-----
-- MIIBcDCCARWgAwIBAgIUAnQiKKy/PdLnH0A6vYKBq21w1JAwCgYIKoZIzj0EAwIw
-- DTELMAkGA1UEAwwCQ0EwHhcNMjAwMzI5MTU1MTEwWhcNMzAwMzI3MTU1MTEwWjAN
-- MQswCQYDVQQDDAJDQTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPB6yVvqt8cL
-- EneRtnjoi87H0ATi+JP1w2qkz4GLOaPtFxAnV0LdQCuN91SGbAlKrSkhFyWWimjh
-- Rqe9+b/1WCijUzBRMB0GA1UdDgQWBBTx1U/gWiRhAASl6FV04DxP3XmcazAfBgNV
-- HSMEGDAWgBTx1U/gWiRhAASl6FV04DxP3XmcazAPBgNVHRMBAf8EBTADAQH/MAoG
-- CCqGSM49BAMCA0kAMEYCIQCcIfssfrOruVYvqhxbLGeyc5ppEX53zUU35wIE2t7C
-- fAIhAKhOTEvN+pdEn+cNwW3AEi7D08ZUQx3P80i4EnFPs0OQ
-- -----END CERTIFICATE-----

local pfx = chilkat.Pfx.new()
local sbPem = chilkat.StringBuilder.new()
local success = sbPem:load_file("qa_data/pfx/test_ecdsa.pem", "utf-8")
if not success then
    print("Failed to load the PEM file.")
    return
end

-- The PEM in this example is unencrypted.  There is no password.
local password = ""
success = pfx:load_pem(sbPem:get_as_string(), password)
if not success then
    print(pfx.last_error_text)
    return
end

-- Let's add some safebag attributes for the private key...
local forPrivateKey = true
local keyIdx = 0
success = pfx:set_safe_bag_attr(forPrivateKey, keyIdx, "localKeyId", "16777216", "decimal")
if not success then
    print(pfx.last_error_text)
    return
end

success = pfx:set_safe_bag_attr(forPrivateKey, keyIdx, "keyContainerName", "{B99EB9E7-6AF7-42AF-A43A-D4B2225B7605}", "ascii")
if not success then
    print(pfx.last_error_text)
    return
end

success = pfx:set_safe_bag_attr(forPrivateKey, keyIdx, "storageProvider", "Microsoft Software Key Storage Provider", "ascii")
if not success then
    print(pfx.last_error_text)
    return
end

-- Add the localKeyId safebag attribute to the 1st certificate.
forPrivateKey = false
local certIdx = 0
success = pfx:set_safe_bag_attr(forPrivateKey, certIdx, "localKeyId", "16777216", "decimal")
if not success then
    print(pfx.last_error_text)
    return
end

-- Write the pfx.
success = pfx:to_file("secret", "qa_output/ee.pfx")
if not success then
    print(pfx.last_error_text)
    return
end

-- Let's load the .pfx we just wrote to see if the safebag attributes exist.
local pfx2 = chilkat.Pfx.new()
success = pfx2:load_pfx_file("qa_output/ee.pfx", "secret")
if not success then
    print(pfx2.last_error_text)
    return
end

-- Information about the contents of the PFX was collected in the call to LoadPfxFile.
local json = chilkat.JsonObject.new()
pfx2:get_last_json_data(json)

json.emit_compact = false
print(json:emit())

-- Shows what's in the PFX just loaded:

-- {
--   "authenticatedSafe": {
--     "contentInfo": [
--       {
--         "type": "Data",
--         "safeBag": [
--           {
--             "type": "pkcs8ShroudedKeyBag",
--             "attrs": {
--               "keyContainerName": "{B99EB9E7-6AF7-42AF-A43A-D4B2225B7605}",
--               "msStorageProvider": "Microsoft Software Key Storage Provider",
--               "localKeyId": "16777216"
--             }
--           }
--         ]
--       },
--       {
--         "type": "EncryptedData",
--         "safeBag": [
--           {
--             "type": "certBag",
--             "attrs": {
--               "localKeyId": "16777216"
--             },
--             "subject": "EE",
--             "serialNumber": "1a9da86df17ad411bb413b2aa724fe56fc71242d"
--           },
--           {
--             "type": "certBag",
--             "subject": "CA",
--             "serialNumber": "02742228acbf3dd2e71f403abd8281ab6d70d490"
--           }
--         ]
--       }
--     ]
--   }
-- }