No, I believe it uses a calibration routine to pick the number of iterations nowadays: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;f=agent/prot

No, I believe it uses a calibration routine to pick the number of iterations nowadays: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;f=agent/protect.c;h=9b262a97886c3ca515eb2f446ad6c445df5f6211;hb=refs/heads/master#l161 https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;... So it depends on the hardware it is run on, and has a lower limit as well.