Questions tagged [masked-authenticated-messaging]

Tag for Questions on Implementation and technical background of masked authenticated messaging (MAM), as well as for using it in Sensors or other Applications. Also general Usage. Masked Authenticated Messaging is no longer used on the IOTA mainnet.

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How to sign a data transaction?

I am wondering if it is possible to sign a data transaction, i.e. generate a signed bundle whose inputs have a balance of 0. If so, how could I construct such a bundle? I am asking because I would ...
wass's user avatar
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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 ...
Infinity's user avatar
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How to setup Full Node with IXI MAM?

I have mounted some Full Nodes and wrote a post in Hello IOTA Forum with a tutorial to do this from scratch. Now I am looking for info to setup a Full Node with MAM support. I have been searching and ...
CarpinchoDem's user avatar
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What's the size of the Merkle Tree of Masked Authenticated Messaging?

Based on the current source code of the client it looks like the Merkle Tree can have only one key. Am I right? The questions: How many keys does the Merkle Tree have in general? What does it ...
alexpods's user avatar
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What code was used and are there any examples of code available to develop the MAM on the XDK and RuuviTag for the Tangle?

There have been reports of MAM being implemented and sent to the Tangle using the Bosch XDK and the RuuviTag. What code was used and are there any examples of code available to develop the MAM on the ...
Donny Letson's user avatar
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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 ...
Infinity's user avatar
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MAM: Is the bundle, used to create masked payload signature, not normalized?

I am researching how Masked Authenticated Messaging (MAM) works. The masked_payload is created in the create function in file: https://github.com/iotaledger/MAM/blob/master/mam/src/mam.rs ...
Robert Lie's user avatar
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Building the mam.client.js (actually the iota-bindings)

I am trying to build according to the instructions given: https://github.com/iotaledger/mam.client.js There are a whole lot of other steps then just described there which mainly relate to building ...
ovanwijk's user avatar
1 vote
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How to attach a message multiple times (say 200 times) with the tangle using MAM

What I am trying to do is to attach a payload to the tangle using MAM protocol. If I run this loop for k=5 times it works fine i.e., data is attached to the Tangle. I confirmed that the data is ...
user3582228's user avatar
1 vote
1 answer
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How can I fork MAM channel?

This https://blog.iota.org/introducing-masked-authenticated-messaging-e55c1822d50e says that any channel can be splitting. Also this https://medium.com/coinmonks/iota-mam-eloquently-explained-...
wss-world's user avatar
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Unique SideKey for each individual message in Restricted mode

Is it possible to have a unique secret key for each new message added to the channel in restricted mode? If yes, How we can achieve it? Desired Scenario: Different Messages having different SideKeys ...
Asim Khan's user avatar