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prefix_from_digest

rhdl_ed25519_scalable_core::digest

Function prefix_from_digest 

Source 
pub fn prefix_from_digest(state: [b64; 8]) -> ScalarWords
Expand description

Nonce prefix (upper half of SHA-512(seed), bytes 32..64), which RFC 8032 hashes with the message to derive the per-signature nonce r.

state is the final SHA-512 state of the 32-byte seed.