wp-includes/sodium_compat/src/Core/Ed25519.php:80$keypairstringstring public static function publickey($keypair) { if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { throw new SodiumException('crypto_sign keypair must be 96 bytes long'); } return self::substr($keypair, 64, 32); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/Ed25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.