CRYPTO ENGINE
VAULT LOCKED
--:--:-- LOCAL
⌂ COMMAND SUITE
◤ PAD CONFIGURATION
PAD DESIGNATION
ROWS GROUPS / ROW
PRINT COPIES
ENTROPY SOURCE: CRYPTO.GETRANDOMVALUES  |  DIGITS: 0-9 UNIFORM (REJECTION SAMPLED)  |  METHOD: RIJMENANTS / AMRRON MOD-10
⇌ OPERATION MODE
ENCRYPT: PLAINTEXT → CHECKERBOARD → PLAINCODE → SUBTRACT PAD (MOD 10) → CIPHERTEXT  |  DECRYPT: CIPHERTEXT → ADD PAD (MOD 10) → PLAINCODE → CHECKERBOARD → PLAINTEXT
▤ PAD SELECTION & KEY INDICATOR
SELECT PAD
START POSITION DIGIT OFFSET — AUTO-SET TO FIRST UNUSED POSITION
KEY INDICATOR
FIRST GROUP OF PAD — PREPENDED TO CIPHERTEXT, NOT USED IN ENCRYPTION
◈ CONVERSION TABLE NO.1 (EN) — RIJMENANTS CHECKERBOARD
SINGLE DIGIT
DOUBLE DIGIT (7x)
DOUBLE DIGIT (8x)
DOUBLE DIGIT (9x) / SPECIAL
FIGURES: PRECEDED & FOLLOWED BY 90(FIG) — EACH DIGIT WRITTEN  |  SPACE=99  |  CODE PREFIX=0(+3-digit codebook value)
▲ PLAINTEXT INPUT
PLAINCODE (CHECKERBOARD CONVERSION)
0 DIGITS
▼ CIPHERTEXT OUTPUT
◈ KEY SEGMENT IN USE (PAD DIGITS — AFTER KEY INDICATOR)
— SELECT A PAD AND ENTER INPUT TO VIEW KEY SEGMENT —
🔐 VAULT ACCESS — AES-256-GCM / PBKDF2
VAULT KEY
VAULT LOCKED — ENTER PASSPHRASE TO ACCESS PAD LIBRARY
FIRST USE: ANY PASSPHRASE INITIALIZES A NEW VAULT. SUBSEQUENT: SAME PASSPHRASE REQUIRED — NOT RECOVERABLE IF LOST.
AO OVERWATCH : CIPHER STATION  ·  © 2026 Jason Walker (JWBuild)  ·  RIJMENANTS METHOD // MOD-10 DIGIT PAD // AMRRON COMPATIBLE SECURE ENCLAVE ACTIVE
Settings
Color Mode
Applies to all modules in the suite
Dark is the default tactical display. Light / Operator mode uses a field manual aesthetic.
SUITEAO OVERWATCH COMMAND SUITE
MODULECIPHER STATION
VERSION1.0 — March 2026
PUBLISHERJason Walker (JWBuild)
COPYRIGHT© 2026 Jason Walker (JWBuild)