THE ALTAR OF CIPHERS
performance measured on i7-9700T · the tax is less than you fear
CLASSICAL
RSA · ECDH · X25519
KEM encaps
~60 µs
X25519 on i7-9700T
KEM decaps
~80 µs
X25519
Public key
32 B
compact
Ciphertext
32 B
compact
Q-vulnerable
YES
broken by Shor at scale
HYBRID
X25519 + ML-KEM-768
Combined
shipped
Apple · Google · Cloudflare · AWS
Both broken
safe
only if BOTH primitives fall
Handshake bloat
+1 KB
trivial on real traffic
Crypto-agility
yes
rotate either primitive
Production?
NOW
2024 default on Chrome
POST-QUANTUM
ML-KEM-768 · FIPS 203
KEM encaps
~100 µs
+40 µs vs classical
KEM decaps
~110 µs
+30 µs
Public key
1184 B
37× classical
Ciphertext
1088 B
34× classical
Q-safe
YES
NIST security level 3
matrix cr studio · inter-soul IPC · 47,000 pulses / day · 56 s CPU / day · 0.065% overhead
— the tax for sovereignty, in one hundredth of a percent
NODE
M