Hacking a Virtual Power Plant

| Ryan Castellucci | Tags: rsa security iot cryptography

Putting an xz Backdoor Payload in a Valid RSA Key

| Ryan Castellucci | Tags: rsa ssh exploit security cryptography

UK Slashes Recognition of Foreign Gender Corrections

| Ryan Castellucci | Tags: activism trans nonbinary politics

UK to Curtail Legal Recognition of Trans Immigrants

| Ryan Castellucci | Tags: activism trans nonbinary politics

Dan Kaminsky - A Eulogy

| Ryan Castellucci | Tags: personal

You Can Create Art and Beauty on a Computer

| Ryan Castellucci | Tags: art hacking

DKIM: Show Your Privates

| Ryan Castellucci | Tags: email rsa dkim security cryptography

Artisanal RSA

| Ryan Castellucci | Tags: rsa tls ssl security cryptography

Bitfi’s Hardware Wallet is Terrible

| Ryan Castellucci | Tags: bitfi bitcoin security passwords

Storybits: Error Resistant Mnemonics

| Ryan Castellucci | Tags: passwords storybits

Forensic Bitcoin Cracking: As Easy as 1, 3, 7...

| Ryan Castellucci | Tags: crypto bitcoin c security

Recreating Craig Wright’s Sartre File

| Ryan Castellucci | Tags: crypto bitcoin

HTTPS Subresource Validation Fail

| Ryan Castellucci | Tags: ssl tls https browsers vulns security

Why I’m Releasing a Brainwallet Cracker at DEFCON 23

| Ryan Castellucci | Tags: crypto defcon security bitcoin passwords brainwallets

Using GitHub With Multiple Accounts or Deploy Keys

| Ryan Castellucci | Tags: github git ssh

Stupid Certificate Tricks

| Ryan Castellucci | Tags: crypto ssl tls rsa python

Why Bitcoin Mining ASICs Won’t Crack Your Password

| Ryan Castellucci | Tags: bitcoin security passwords

How I Made My Header Image

| Ryan Castellucci | Tags: linux bash imagemagick

Never Forget to Start Screen Again

| Ryan Castellucci | Tags: linux bash ssh screen