Web-based Message Authentication Protocol
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May 13, 2025 - Python
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message-authentication
Here are 14 public repositories matching this topic...
Arduino sketches for authenticating ECU messages on a CAN bus: plain CAN, a CaCAN-style monitor node, and a group-key MAC scheme, with an attacker node for comparison. Created as part of a master's thesis, in cooperation with with Deloitte.
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Sep 22, 2026 - C++
The Elliptic Curve Data Protocol (ECDP) is a P2P communication protocol for decentralized networks, utilizing elliptic curve cryptography (ECC) for encryption, ECDSA for message authentication, and Diffie-Hellman key exchange for secure sessions. It operates over TCP and UDP.
cryptography encryption tcp udp protocol peer-to-peer ecdsa secure-communication data-security elliptic-curve-cryptography diffie-hellman-key-exchange message-authentication decentralized-networks session-initialization
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Nov 15, 2024 - Makefile
Sign & verify messages from WhatsApp, Telegram, Instagram, etc. using a pre-shared password & HMAC‑SHA256. Open source Android app built with Jetpack Compose
android open-source security instagram cryptography telegram whatsapp hmac messaging-app jetpack-compose message-authentication offline-verification message-signature preshared-key dm-verification
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Oct 2, 2025 - Kotlin
Information-theoretic authentication meets post-quantum defense-in-depth. An original secure-messaging protocol with unconditional message integrity, Shannon-perfect-secrecy mode, forward secrecy, and replay protection. Reference implementation, zero dependencies.
python cryptography encryption experimental zero-dependency post-quantum-cryptography chacha20 one-time-pad authenticated-encryption end-to-end-encryption universal-hashing forward-secrecy cryptographic-protocol quantum-resistant perfect-secrecy secure-messaging information-theoretic-security message-authentication replay-protection key-ratchet
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Jun 24, 2026 - Python
A secure, client-side GPG/PGP key generator with a modern terminal-inspired interface. Generate cryptographic key pairs entirely in your browser with zero server-side processing for maximum security and privacy.
cryptography cross-platform pgp gpg self-hosted curve25519 identity-verification client-side openpgp secure-communication data-protection key-management key-generation end-to-end-encryption privacy-tools single-page-application ascii-armor elliptic-curve-cryptography message-authentication passphrase-protection
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Sep 27, 2025 - HTML
Make every intranet call prove itself, directional HKDF keys, canonical authentication envelopes, HMAC-SHA256 request signing, and header-safe transport.
golang library hkdf zero-trust hmac-sha256 request-signing microservices-security service-to-service request-authentication cloud-native-security message-authentication canonical-encoding intranet-security signed-envelope internal-api-security
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Jul 28, 2026 - Go
IoT security experiment testing replay attack defenses in MQTT using timestamp validation, sequence tracking, and HMAC message authentication.
python tls mqtt iot cybersecurity hmac iot-security security-testing replay-attack mtls defense-in-depth message-authentication message-integrity
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Mar 14, 2026 - Python
Browser-based RFC 4082 TESLA broadcast-authentication lab — shared-key MAC forgery, an Ed25519-anchored HMAC-SHA-256 key chain and delayed key disclosure side by side, with dropped-packet recovery, simulated clocks, truncated-tag guessing and a post-disclosure spoof that passes every check when the assumed clock lag is too small
cryptography ed25519 sha256 hmac-sha256 tesla-protocol crypto-lab broadcast-authentication message-authentication delayed-key-disclosure one-way-key-chain rfc4082
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Oct 28, 2026 - TypeScript
Browser-based KMAC Gate demo — FIPS 202 SHA3-256/SHAKE and SP 800-185 cSHAKE/KMAC on one hand-written Keccak-f[1600] permutation, showing why keying the sponge needs no HMAC wrapper.
mac cryptography shake keccak sha3 sponge-construction kmac cshake crypto-lab fips-202 message-authentication nist-sp-800-185
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Oct 28, 2026 - TypeScript
🔒 Generate and verify HMACs easily to secure your data and ensure integrity in communications with HMAC-Gen.
hashing open-source mac security cryptography programming encryption authentication libraries digest hmac software-development data-integrity api-security message-authentication
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Oct 13, 2026
Browser-based Poly1305 MAC demo — polynomial evaluation over GF(2¹³⁰−5), constant-time tag verification, key-reuse attack visualizer, and Polynomial Stepper. Part of crypto-lab.
mac cryptography aead chacha20-poly1305 constant-time poly1305 crypto-lab message-authentication noble-ciphers key-reuse gf2-130-5
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Oct 28, 2026 - TypeScript
🔐 Generate secure GPG/PGP key pairs in your browser, ensuring your private keys never leave your device for maximum security and privacy.
cross-platform pgp gpg self-hosted curve25519 identity-verification openpgp secure-communication data-protection key-management key-generation end-to-end-encryption privacy-tools single-page-application ascii-armor elliptic-curve-cryptography message-authentication passphrase-protection
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Oct 29, 2026 - JavaScript
Browser-based MAC demo — HMAC, CMAC, Poly1305, and GHASH compared with live length extension attack, timing attack, and nonce reuse demonstrations. Real WebCrypto operations. No backends. No simulated math.
nist cryptography aes-gcm hmac poly1305 timing-attack amc cmac crypto-lab ghash length-extension-attack message-authentication
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Oct 29, 2026 - TypeScript
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