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instrument chain / verified-workflow-definition
Crypto & Number Theory Classroom
Primes to keys to ciphertext to integrity.
Status: observedLifecycle: verified-workflow-definition
Goal
Primes to keys to ciphertext to integrity.
Instrument chain
- 01Prime Checker & Generator (Sieve)
find primes
VERIFIED - 02Primality Tester
verify primes
VERIFIED - 03GCD/LCM Calculator
Bézout/gcd
VERIFIED - 04Modular Arithmetic Toolkit
mod ops + inverse + CRT
VERIFIED - 05Modular Exponentiation Calculator
fast powering
VERIFIED - 06RSA Toy Cipher (Educational)
public key
VERIFIED - 07Diffie-Hellman Key Exchange Toy
key agreement
VERIFIED - 08SHA-256 / Hash Function Demo
integrity
VERIFIED - 09Checksum Verifier
integrity 2
VERIFIED - 10Hamming Distance / Error-Detection Calculator
coding
VERIFIED - 11Parity Bit / Simple ECC Demo
coding 2
VERIFIED
Handoffs and cross-checks
Primes → n,φ → d via modular inverse → encrypt/decrypt via modexp; decrypt(encrypt(m)) == m is the invariant.
PointGuard stance
Round-trip everything: decrypt what you encrypt, verify what you hash — a chain that cannot close is wrong.
Sources and evidence
These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.
INSTRUMENT_COMBOS.jsonVERIFIED_LEDGER.json