LEDAkem and LEDApkc Home

Welcome to the LEDAkem (Low dEnsity coDe-bAsed key encapsulation mechanism) and LEDApkc (Low-dEnsity parity-check coDe-bAsed public-key cryptosystem) homepage. Here you can find both their specification and the public domain codebase implementing them.

The LEDAkem and LEDApkc cryptosystems are currently submitted for consideration to the NIST Post-Quantum Cryptography Standardization process by the following team (listed in lexicographic order):

31 Jan 2018

LEDAkem paper accepted at PQCrypto 2018

We are glad to announce that our paper “LEDAkem: a post-quantum key encapsulation mechanism based on QC-LDPC codes” describing the...