Blockchain, Zero Knowledge Proofs, Crypto, Rust, Cryptography.
LE32(dest.len()) ); dest <- PRF(); To obtain randomness, the prover clones the transcript state, then rekeys the cloned state with witness data meta-AD( label || LE32(witness.len()) ); KEY( witness ); and then with the output of an external RNG (such as /dev/urandom): meta-AD( "rng" ); KEY( 32