v3 .onion vanity URL generator written in C

Compile ed25519 objects:

cd ed25519-supercop-ref10 ; gcc -std=c99 -Wall -pedantic -c $(find . -name '*.c' -a ! -name 'keypair.c') ; cd ..

Compile and run:

gcc -std=c99 -Wall -pedantic -o main *.c ed25519-supercop-ref10/*.o && ./main

Replicate functionality of oniongen-go:

• Makefile
• ed25519
• sha3
• base32
• regex
• cli arguments
• parallelise

Parallelise using CUDA:

• locally (GeForce)
• AWS cluster (Tesla)

• tor-dev mailing list discussion - https://lists.torproject.org/pipermail/tor-dev/2017-January/011883.html

• NIST FIPS SHA3 specification - http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf
• A C implementaiton - https://github.com/brainhub/SHA3IUF
• Official keccak implementation collection - https://github.com/gvanas/KeccakCodePackage
• A Python implementaiton - https://github.com/moshekaplan/python-sha3/blob/master/python_sha3.py

• IETF RFC on EdDSA - https://tools.ietf.org/html/rfc8032
• Bernstein paper - http://ed25519.cr.yp.to/ed25519-20110926.pdf
• Warner blog on keys and implementations - https://blog.mozilla.org/warner/2011/11/29/ed25519-keys/
• supercop-ref10 implementation - https://github.com/warner/python-ed25519/tree/ref10

• keccakf implementation - https://github.com/brainhub/SHA3IUF
• ed25519 implementation - https://github.com/warner/python-ed25519/tree/ref10