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agent/

• protect-tool.c (get_passphrase): New arg OPT_CHECK.

(get_new_passphrase): Enable OTP_CHECK on the first call.

• command.c (cmd_get_passphrase): Implement option --check.

• gpg-agent.c (MIN_PASSPHRASE_LEN): New

(parse_rereadable_options): New option --min-passphrase-len.

• genkey.c (check_passphrase_constraints): New.

(agent_genkey, agent_protect_and_store): Call new function. Fix
memory leak.

• call-pinentry.c (agent_askpin): Allow translation of the displayed

error message.
(agent_popup_message_start): Remove arg CANCEL_BTN.
(popup_message_thread): Use --one-button option.

• command.c (cmd_passwd): Now that we don't distinguish between

assuan and regular error codes we can jump to the end on error.

common/

• simple-pwquery.c (simple_pwquery): New arg OPT_CHECK.