ComfyUI ARG Toolkit

The WWI Cipher That Looks Exactly Like Secret-Agent Stuff

Five Letters, One Keyword

Five AES Modes in One Node, and the Nonce Trap That Will Bite You

The Keygen That Knows AES-SIV Needs Double the Bits

Encrypting Keys With Keys, RFC 3394 Style

The Key Wrap That Finally Lets You Encrypt Awkward-Sized Keys

A Little Math Goes a Long Way (If the Key Cooperates)

The Password-Hashing Champion, Now a ComfyUI Node

Check the Password Without Storing It

The Cipher So Simple You Could Write It on a Napkin

The Cipher That Feeds on Its Own Plaintext

Turn That =Padded Wall of Text Back Into Words

The Bifid's Big-Square Cousin With a Number for a Key

Vigenère's Symmetric Cousin (Same Key, Either Direction)

Fractionation Without a Key Word (Just a Number)

Decode That Wall of 0s and 1s

The Two-Second Check Before Your AES Blows Up

Combining Two Secrets Without Touching the Math

Shove Every Bit Left (and Watch the Format Survive)

The unary NOT that reverses bit patterns

Combine two strings bit-by-bit with the OR operator

Slide bytes over and see what falls out

The reversible operator that shows up everywhere in ARGs

Fast, modern, and currently fighting its own source code

Make a True/False flag actually readable

Bring BYTESLIKE back to readable text — hex, base64, or plain words

Turn text into BYTESLIKE — the gateway to every modern crypto node

The ROT node that starts every ARG

Every letter shifts a little more than the last

Modern authenticated encryption, the right way

A 32-byte key, freshly rolled every run — no inputs, no drama

The 'unbreakable' WWII-era puzzle that's mostly a vibe now

The keyword cipher that scrambles by column

Turn a shared secret into a proper key

Check that a derived key is what it should be — without guessing

The key-derivation variant that adds a salt

Verify a salt-based derived key, then trust the boolean

Equal bytes, without the timing side channel

Load a DER-encoded private key so the asymmetric nodes can use it

The DER public key loader that makes signature checks actually work

Generate real elliptic curve private keys — and export them as PEM or DER bytes

Turn a private key into a shareable public key — bytes and object, both

ECDSA signing node that lets you prove a message came from a specific key

Returns one boolean, settles the whole argument

Ed25519 private keys without the ECDSA baggage

Get an Ed25519 public key out in the format you actually need

Sign a message with Ed25519 — the friendly way to prove authorship

Check an EdDSA signature with one boolean — the message was signed or it wasn't

The One-Button Way to Mint a Fernet Key (And Why It Looks Like Garbage)

Fernet encryption in one node — a 32-byte key and a toggle

The digraph cipher that's genuinely fun to bury clues in

A Vigenère variant that turns a phone number into a cipher key

Hash anything to any length in ComfyUI

Turn those hex scribbles back into readable text

Turn any secret into a proper cryptographic key, the standards way

When the key material is already good, just stretch it

The expand-only checker that confirms a derived key is what it should be

Confirm two parties derived the same HKDF key without comparing bytes by hand

Pull the hidden message back out of that image

Bury a message in an image so no human eye can see it

The kitchen-sink key derivation node — NIST SP 800-108 counter mode

Check a derived key without ever handing out the key

One word scrambles the whole alphabet

MD5 hashing, for the puzzles where security doesn't matter

Morse code, in seven languages, without leaving the graph

The transposition cipher that handles repeated letters

A Polybius square and some arithmetic

Pad your block-cipher data to the right size (and unpad it back)

Turn a password into a real key with PBKDF2

Did this password derive to the right key? Ask the node.

Load a PEM private key into the graph

Load a PEM public key without the password drama

The digraph cipher that hid British secrets in WWI

Reduce every letter to two numbers

The 16th-century cipher that encrypts and decrypts the same way

Pull clean bytes out of corrupted data

Make your bytes survive a beating

The cipher that's its own undo button

Letters get ROT13, digits get ROT5, everyone's rotated

Rotate the whole printable ASCII set, punctuation included

Rotate the digits, leave the letters alone

Turn a passphrase into an actual encryption key

The polite way to check someone's passphrase

An ancient transposition you can explain in one sentence

The broken hash that's still perfect for puzzles

The hash you actually want, all six flavors in one node

The Keccak-era hash, when the puzzle wants the new thing

The all-purpose monoalphabetic swap

The Chinese national standard hash, for that one puzzle

Spectrograms in ComfyUI

Pull the hidden message back out of the pixels

Hide a message in the pixels of an image

The encoding that makes binary safe to copy-paste

The lowest level you'll ever need to look at

The format every ARG actually uses

Repeat a string, with a built-in surprise

AES, GCM, and every mode in between

The pack's supply of actual entropy

Delastelle's oddball, three keys and a pair of blanks

The three-dimensional Polybius cube, digitized

The Digraph-friendly Double Playfair

The Soviet spy cipher that's hiding a landmine under its default settings

The Vigenère cipher node that actually works — and the one everyone reaches for first

The node that turns a shared secret into an actual encryption key

The 'is this the right key?' node — constant-time key checking, minus the suspense

The payoff node for the whole X-series dance

Squeeze the exact bytes you want out of SHAKE

Useful, but its default settings will crash it

Derive a public key from your ECDH private key — the node that does it cleanly

Dumb in the best way, and it actually works