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cortex25519

Implementations of X25519 key agreement and Ed25519 signature verification, optimized with ASM for Cortex-M4 processors or higher (ARMv7e-M or higher).

Not reviewed, could have bugs, use at your own risk, etc etc.

Credits

Original X25519 ASM implementation by Emil Lenngren.

Extended to support Ed25519 verify by Dario Nieuwenhuis.

Test harness for running Wycheproof test vectors in QEMU is taken from the salty project.

License

  • Main cortex25519 crate is available under the BSD 2-clause license.
  • Wycheproof test vectors are available under Apache license.
  • QEMU test harness is available under Apache + MIT.