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Questions tagged [security]

For questions relating to the security of IoTA and how to mitigate these issues or avoid them altogether.

8 questions with no upvoted or accepted answers
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5
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0answers
224 views

MAM message encryption

According to the documentation message encryption is done in following way Each message is encrypted with a one-time pad that consists of the channel ID and the index of the key used to sign the ...
3
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0answers
83 views

Is MAM encrypted message has perfect secrecy?

Here I am referring to MAM in restricted mode, where side key is used to encrypt the message. One time pad is known for perfect secrecy. Since MAM uses the one-time pad, is MAM encrypted message has ...
2
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0answers
98 views

Can the coordinator be found or identified?

The coordinator is currently vital to the operation of the Iota network. There are both security (leaking the seed used to generate milestones) and availability (it must be able to issue milestones) ...
2
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0answers
55 views

How is the secrecy of the Iota seed maintained on IoT devices?

Iota is intended to be deployed on IoT devices. A problem with IoT devices is that they are placed in insecure locations, allowing attackers to gain physical access and perform advance/prolonged ...
2
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0answers
91 views

How to compute the % of network computing power the attacker hold?

It is known generally that Tangle is susceptible to 34% attack(of total computing power) that gives a 100% successful attack. The example given on page 19 of white paper says that an upper limit to ...
2
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0answers
46 views

Security implications of storing seed on Trezor password manager

I'm wondering about using Trezor password manager to store an IOTA seed and whether there are any security implications I should be aware of? Many thanks!
0
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0answers
28 views

Kerl Hash Function: why is the squeezing phase modified?

I was studying the cryptographic "evolution" of IOTA from Curl to Troika and I noticed something in Kerl hash function. Kerl is an adaptation of Keccak384 which works with trits but it introduces ...
0
votes
0answers
45 views

If the coordinator were to be identified or located, what attacks could be carried out against it?

The coordinator is currently vital to the operation of the Iota network. There are both security (leaking the seed used to generate milestones) and availability (it must be able to issue milestones) ...