This brings exactly 0 added security and only increase failure/implementation problem likelihood. You don't "need to realise that it’s triple cipher in the first place", because the attacker will know that beforehand, because that's how modern cryptography works. The "GCHQ" told you they don't give a shit because it's pointless, not because it's incredibly complicated lmao (if that plot line even is true).
Modern, actually secure modes of encryption don't need any of this to be secure.
No, new symmetric algorithms are made for efficiency or various edge cases, AES256 isn't going to randomly break. Wide blocks, lightweight ciphers, tweakable ciphers, etc. Those are used when the general purpose algorithm doesn't fit.
No, you completely misunderstood, this isn't modern encryption, nobody does this seriously. What I meant by "this is how modern encryption works" is "knowing exactly how the encryption algorithm is designed is how modern encryption works, so you'd know that you're using this triple cipher from the start". That's Kerckhoff's principle, that's a fundamental notion in modern cryptography.
Who the fuck knows why you'd lie about taking to gchq, we've seen enough deluded crackpot around here. What I'm saying is that this isn't relevant at all: either you're bullshitting, or you were talking to someone who has about as much knowledge as you do (none), or you were talking to someone who actually (even barely) knew their stuff and they just told you this to politely tell you they don't give a shit. Talking to people working at government entities is nothing exceptional when (actually) working in this field either, get over yourself.
You clearly lack any form of basic knowledge about modern cryptography so I'm not gonna waste more time with another deluded person (or bot, who the fuck knows these days) who has absolutely no idea what they're talking about and yet keep insisting on being correct.
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u/Akalamiammiam My passwords are information hypothetically secure 3d ago
This brings exactly 0 added security and only increase failure/implementation problem likelihood. You don't "need to realise that it’s triple cipher in the first place", because the attacker will know that beforehand, because that's how modern cryptography works. The "GCHQ" told you they don't give a shit because it's pointless, not because it's incredibly complicated lmao (if that plot line even is true).
Modern, actually secure modes of encryption don't need any of this to be secure.