yasuki_core.accounts.crypto.email_blind_index#
- email_blind_index(email)[source]#
Return the blind index stored for an email:
HMAC-SHA256(normalized email, pepper).The email is lower-cased and stripped before hashing, so equality lookups (dup-account detection, ban-by-email) match regardless of the casing Google hands back. Raise RuntimeError when the pepper is unset.