Kurtis Hanna <[email protected]> writes: >> Jeremy_Rand[m]: [...] most dumbphones haven't been audited >> for the ability of the carrier to remotely turn on the microphone, and >> we know from court documents that this capability exists on a lot of >> phones. Most Replicant supported phones have been audited for such >> capability, and found not to have it. > >> Jookia: Jeremy_Rand[m]: i don't think they've been audited have they > >> Jookia: if you look at the block diagram/schematics of the i9100 you >> can see the microphone is connected to the modem for instance > >> Jeremy_Rand[m]: Jookia: is the mic connected to the modem on the S2? >> Wasn't aware of that, link please? AFAIK the Replicant devs have looked >> at most of the supported phones and discarded any models that obviously >> fail a cursory audit. The audits definitely aren't as thorough as we'd >> like though. > >> Jookia: Jeremy_Rand[m]: https://files.catbox.moe/fnzqss.png see >> Jookia: AUDIO block containing SPEECH_PCM connects directly to the >> codec and ports, bypassing the CPU > >> Jookia: >> https://i.pinimg.com/originals/b4/33/db/b433db446415bc7cb2c238c563748556.jpg >> looks like the mic is wired to the modem in the galaxy s3 >> Jeremy_Rand[m]: Jookia: out of curiosity, is that modem/mic info >> documented on the Replicant wiki? Seems like it'd be important to add >> to one of the research pages if not already there > >> Jeremy_Rand[m]: Jookia: unfortunately most of the audits I mentioned >> are not publicly documented, it's research that (AFAIK) Paul did, and >> then never completely wrote down publicly. Or maybe he did and I just >> never noticed them? > > I'm curious, does nonfree software (via the modem) control the > microphone on the S2 and S3, or not?
I don't know. Another interesting question is whether there is any way to notice whether the modem does anything unwanted with the microphone? /Simon
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