Saint-loup
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June 15, 2024, 09:58:22 PM Last edit: June 16, 2024, 07:08:27 PM by Saint-loup |
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You must be sure to be able to find and use the same software with the same version, even in several years when you will need to decipher your seed phrase otherwise you won't be able to access it. That's why it's better to use a very standardized algorithm to encrypt your seed phrase. And to try several different softwares using it to decipher your secret, to be sure there is no bug into the encryption program.
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alexeyneu
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June 16, 2024, 05:55:34 PM Last edit: June 16, 2024, 06:38:38 PM by alexeyneu |
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truecrypt is better. reputation approved by news like "fbi cracked truecrypt smth". Authors even made a request to waybackmachine to exclude their site from where binaries can be found.
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Forsyth Jones
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June 16, 2024, 07:18:28 PM |
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truecrypt is better. reputation approved by news like "fbi cracked truecrypt smth". Authors even made a request to waybackmachine to exclude their site from where binaries can be found.
But isn't veracrypt a fork of truecrypt and truecrypt discontinued? I was unable to use truecrypt on Windows, I made a post about it on my local board.
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| | . .Duelbits. | │ | ..........UNLEASH.......... THE ULTIMATE GAMING EXPERIENCE | │ | DUELBITS FANTASY SPORTS | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ████████████████▀▀▀ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | . ▬▬ VS ▬▬ | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ███████████████████ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | /// PLAY FOR FREE /// WIN FOR REAL | │ | ..PLAY NOW.. | |
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alexeyneu
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June 16, 2024, 08:05:32 PM |
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just using 7.1a right now. portable install. windows 10. if it's a problem to find binaries idk. use russian vpn and google for it About other things you said : authors make request like this only in one case. Think for yourself it's called
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satscraper
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June 26, 2024, 09:10:56 AM |
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My SEED phrase is pgp-encrypted. The relevant private key is secured by hardware dongle. Encrypted SEED is inside protected data base of KeePassXC which is placed in encrypted partition (persistent storage area) of Tails. In fact I use the four-layered encryption system. Think, nothing would be better. Interested? Then look here.
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| | . .Duelbits. | │ | ..........UNLEASH.......... THE ULTIMATE GAMING EXPERIENCE | │ | DUELBITS FANTASY SPORTS | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ████████████████▀▀▀ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | . ▬▬ VS ▬▬ | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ███████████████████ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | /// PLAY FOR FREE /// WIN FOR REAL | │ | ..PLAY NOW.. | |
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Saint-loup
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June 28, 2024, 09:57:14 PM Last edit: June 30, 2024, 07:03:05 PM by Saint-loup |
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That's great but what will happen if your hardware dongle is broken or if you lose it? In addition encryption doesn't protect against damage. If your hard disk is damaged(physically or digitally) what will you do? Your private pgp key won't be enough to recover it unfortunately, the strongest the encryption is. Devices will never be as strong as your encryption can be, they can be destroyed or critically damaged at least, quite easily actually.
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Cricktor
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June 29, 2024, 09:54:17 AM |
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I'm not sure if this scheme is actually great. It looks overly convoluted to me and frankly I don't know why it's that much layered, to be honest. @satscraper could you explain what kind of attack vectors you try to remedy or your reasoning with such a multi-layered approach? Then indeed more points of potential failure are introduced, at first glance. The hardware keys would need copies otherwise you're pretty much screwed if you've only one and this sole one gets damaged, stolen or lost. (OK, after actually reading SEED storage on digital media., you use three hardware keys from Yubico, so it seems there's redundancy.)I hope you've a hell of a good instruction manual for those who are supposed to inherit your stuff should something bad happen to you. And don't forget, you know your scheme well enough now, you constructed it. Years later and without much use, this could change as human memory is a fragile and changing thing. For those not involved in your scheme, instructions would need to be much more elaborate. Don't get me wrong, I'm not per se against digital storage but I'd like to understand why such paths are walked and to what problems it's aimed to be a valid solution. People need to understand why handling such precious data like mnemonic recovery words and/or mnemonic passphrase on digital devices is potentially dangerous and how to do it safely. And don't do fancy and complicated procedures just for the sake of it and because you can. There should to be a clear purpose and need for every layer of protection!
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YogiBear77
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June 29, 2024, 10:03:56 AM |
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I would delete the original file (but previously I would save it as an empty file). It won't be effective You should use something like shred command in Linux I've found one tool on github (the link is below) for encrypting and decrypting text with password, but I am curious how secure that method of encrypting is, and are there any stronger algorithms for encrypting and decrypting text with a password?https://github.com/blws/text-encrypt You should use GPG or openssl .
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Synchronice
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June 29, 2024, 11:43:34 AM |
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I have an idea how to protect my seed phrases. The first step would be to generate it it offline. Second step would be to encrypt it (also offline) with a password. Third step would be to pack that text file with encrypted seed phrases in a rar archive which would be protected with another password. After that, I would copy that rar archive to protected USB sticks. And of course, I would delete the original file (but previously I would save it as an empty file). I've found one tool on github (the link is below) for encrypting and decrypting text with password, but I am curious how secure that method of encrypting is, and are there any stronger algorithms for encrypting and decrypting text with a password?https://github.com/blws/text-encryptAre you really sure that you need that much security and are you also sure that you'll be able to handle the responsibility? Keep in mind that the more secure you make it, the higher the responsibility will be on your shoulders. By the way, Bitcoin seeds already guarantee a very high security and in practice, Bitcoin wallets are uncrackable. If you put a password on your seed phrase, you have to keep in mind that your password must be as strong as your seed phrases because what's the point of setting a weak password if cracking of it will reveal your seed phrases? Also, again, what's the point of setting a strong password (equal to 12 words) on them (i.e. having two 12 words seed phrase)? Just have a one, 12 words seed phrase or 24 if you wish, save it well, keep it securely and live your life. It's meaningless to make things complicated when there is not a necessity of it.
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satscraper
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June 30, 2024, 05:25:13 AM Last edit: June 30, 2024, 05:37:33 AM by satscraper |
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that's great but will happen if your hardware dongle IS broken or if you lose it? In addition encryption doesn't protect against damage. If your hard disk IS damaged what you will do? Your private pgp Key won't be enough to recover it
I assume you reading of topic I have referred to was inattentive. That is why you have questioned me. At the moment I have the set of three cloned pgp dongles. Should one of them get damage it will be easily replaced by the means of cloning from remaining ones. Regarding hard disk. I don't use such stuff. I use flash drives and industrial grade SD cards to hold Tails with all encrypted stuff. They are also clones and can be further cloned if needed. Some of these clones are geographically distant and kept by my relatives.
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| | . .Duelbits. | │ | ..........UNLEASH.......... THE ULTIMATE GAMING EXPERIENCE | │ | DUELBITS FANTASY SPORTS | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ████████████████▀▀▀ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | . ▬▬ VS ▬▬ | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ███████████████████ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | /// PLAY FOR FREE /// WIN FOR REAL | │ | ..PLAY NOW.. | |
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alexeyneu
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June 30, 2024, 11:03:56 AM |
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industrial grade SD cards
lexar or so is still consumer-grade. i never seen industrial-grade sd card.
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Saint-loup
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June 30, 2024, 03:05:36 PM |
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that's great but will happen if your hardware dongle IS broken or if you lose it? In addition encryption doesn't protect against damage. If your hard disk IS damaged what you will do? Your private pgp Key won't be enough to recover it
I assume you reading of topic I have referred to was inattentive. That is why you have questioned me. At the moment I have the set of three cloned pgp dongles. Should one of them get damage it will be easily replaced by the means of cloning from remaining ones. Regarding hard disk. I don't use such stuff. I use flash drives and industrial grade SD cards to hold Tails with all encrypted stuff. They are also clones and can be further cloned if needed. Some of these clones are geographically distant and kept by my relatives. Ok, that's great but I think you should warn people against this risk in your tutorial and recommending them to make several copies as you've done yourself because unfortunately digital safeguards are way more fragile than physical ones, even simple sheets of paper (you can throw a sheet of paper 10 times against a wall it won't be broken). Some people are using cloud services for storing their critical encrypted datas in order to avoid the danger of physical damage(including the electromagnetic one) of their devices but a cloud service can also be easily shutdown, or datas can be erased from there without notice.
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satscraper
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July 02, 2024, 06:25:30 AM |
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that's great but will happen if your hardware dongle IS broken or if you lose it? In addition encryption doesn't protect against damage. If your hard disk IS damaged what you will do? Your private pgp Key won't be enough to recover it
I assume you reading of topic I have referred to was inattentive. That is why you have questioned me. At the moment I have the set of three cloned pgp dongles. Should one of them get damage it will be easily replaced by the means of cloning from remaining ones. Regarding hard disk. I don't use such stuff. I use flash drives and industrial grade SD cards to hold Tails with all encrypted stuff. They are also clones and can be further cloned if needed. Some of these clones are geographically distant and kept by my relatives. Ok, that's great but I think you should warn people against this risk in your tutorial and recommending them to make several copies as you've done yourself I think people are intelligent enough to understand for what reason such stuff is cloned. Besides, it is explicitly highlighted over there that those copies are backups. I don't think that any extra words are needed than those ones already said in my topic. All stuff is straightforward for those who read it carefully.
In practice, I maintain three cloned Tails flash drives and three hardware keys, each serving as a backup for the others.
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| | . .Duelbits. | │ | ..........UNLEASH.......... THE ULTIMATE GAMING EXPERIENCE | │ | DUELBITS FANTASY SPORTS | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ████████████████▀▀▀ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | . ▬▬ VS ▬▬ | ████▄▄▄█████▄▄▄ ░▄████████████████▄ ▐██████████████████▄ ████████████████████ ████████████████████▌ █████████████████████ ███████████████████ ███████████████▌ ███████████████▌ ████████████████ ████████████████ ████████████████ ████▀▀███████▀▀ | /// PLAY FOR FREE /// WIN FOR REAL | │ | ..PLAY NOW.. | |
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Meuserna
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July 02, 2024, 10:44:38 PM |
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I have an idea how to protect my seed phrases.
The first step would be to generate it it offline.
Second step would be to encrypt it (also offline) with a password.
Krux does this, and it makes it easy. Step 1: Load a seed into Krux. Or use Krux to generate a new seed. Step 2: Save the seed to a micro SD card, or save it as a SeedQR code. Step 2.5: While saving the seed, choose to encrypt it. Enter some text to use as a decryption key. Done! Better still: Improve the setup by using Krux to create a QR code for the text you're using as a decryption key. Now, you can load your seed from the micro SD card, where it's encrypted, or by scanning the encrypted seed QR. I love encrypted seed QR codes. Scan the encrypted QR. Scan the decryption key QR. Done. ...but what if somebody finds your encrypted seed QR? Nothing happens. They can't decrypt it without the decryption key. Here's an encrypted seed QR I made as an example. I kept the decryption key simple for this example. It's just a few words, all lowercase with a space between each. You don't even need Krux to decrypt the QR. They wrote code to decrypt them & posted the code on their github.
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cambodian_airlines
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July 02, 2024, 11:26:12 PM |
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@OP Only your first 2 steps make sense. The rest is some dull thinking to do more of the same stuff repetitively and you risk adding complexity. Human memory is very fallible. If you encrypt the seed, you can leave it around anywhere. In fact, I often wonder why the metal plate makers don't allow for saving encrypted strings than literally exposing the entire seed to anyone who finds it.
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Cricktor
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July 03, 2024, 07:47:57 PM Last edit: July 03, 2024, 07:59:26 PM by Cricktor |
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In fact, I often wonder why the metal plate makers don't allow for saving encrypted strings than literally exposing the entire seed to anyone who finds it.
Think about it a few seconds longer than you probably did. Many metal backups only stamp (or assemble) the first four characters of the recovery words because it's enough as every recovery word is unambigously identified with that. Encrypted data or text doesn't give you this reduction for free: probably every single character of your encrypted text is important and shouldn't get lost otherwise decryption is likely to fail miserably. If on the other hand the encrypted text isn't noticeably longer than the unencrypted source, well then you just need to be careful to avoid any errors. But the problem remains that you have to have a reliable backup of your encryption "key" which needs to be stored well separated from your encrypted text/data. I have a feeling this is all a bit too fragile. There's no one recipe for all. Make a careful risk assessment and deploy remedies for your main attack vectors/risk you deem important.
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Pmalek
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July 09, 2024, 08:25:39 AM |
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One problem is that Metamask and some other wallets do not support passphrases (i.e. seed phrases with 13 or 25 words), so I am considering seed encryption as a solution for such wallets. Correct me if I am wrong, but MetaMask allows you to import individual private keys as well, doesn't it. If you can't enter a seed + passphrase, you should be able to import the private key of your ethereum account into MetaMask. MetaMask is a hot wallet. I assume it's the same with the other ethereum wallets, so whether you import a seed or private key doesn't really matter. But it does defeat the purpose of generating a seed offline only to use it later with a hot wallet. Keep your bitcoin separate from your other cryptocurrencies. That's my tip.
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▄▄███████▄▄███████ ▄███████████████▄▄▄▄▄ ▄████████████████████▀░ ▄█████████████████████▄░ ▄█████████▀▀████████████▄ ██████████████▀▀█████████ █████████████████████████ ██████████████▄▄█████████ ▀█████████▄▄████████████▀ ▀█████████████████████▀░ ▀████████████████████▄░ ▀███████████████▀▀▀▀▀ ▀▀███████▀▀███████ | ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ Playgram.io ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ | ▄▄▄░░ ▀▄ █ █ █ █ █ █ █ ▄▀ ▀▀▀░░
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acme89 (OP)
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August 10, 2024, 11:04:59 AM |
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I've found one tool on github (the link is below) for encrypting and decrypting text with password, but I am curious how secure that method of encrypting is, and are there any stronger algorithms for encrypting and decrypting text with a password?https://github.com/blws/text-encrypt You should use GPG or openssl Interesting. Recently I had a conversation with a guy who made a software for offline text encryption, and he said that openssl is less secure if it utilizes cdn libraries. And also some people say that libessl is more secure that openssl.
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virasog
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August 10, 2024, 05:30:29 PM |
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I have an idea how to protect my seed phrases.
The first step would be to generate it it offline.
Second step would be to encrypt it (also offline) with a password.
Third step would be to pack that text file with encrypted seed phrases in a rar archive which would be protected with another password.
After that, I would copy that rar archive to protected USB sticks. And of course, I would delete the original file (but previously I would save it as an empty file).
This is like you have a precious item, you pack it in a box and put a lock on it, then you put that box in another box and lock it with another key. Then again you put that big box in another box and lock it with another key. Now losing the key will get you in a lot of trouble ![Huh](https://bitcointalk.org/Smileys/default/huh.gif) My suggestion will be to generate an offline seed phrases and extend it with least four words. Now save them on a piece of paper and store it somewhere safe. That's it and you are good to go. Another precaution can be to secure the extended four word phrase at some other place (paper). This way, even if someone gets your seed phrases paper, that is useless because extended seed phrases are stored in another place.
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Forsyth Jones
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
August 10, 2024, 06:05:41 PM |
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This is like you have a precious item, you pack it in a box and put a lock on it, then you put that box in another box and lock it with another key. Then again you put that big box in another box and lock it with another key. Now losing the key will get you in a lot of trouble ![Huh](https://bitcointalk.org/Smileys/default/huh.gif) My suggestion will be to generate an offline seed phrases and extend it with least four words. Now save them on a piece of paper and store it somewhere safe. That's it and you are good to go. Another precaution can be to secure the extended four word phrase at some other place (paper). This way, even if someone gets your seed phrases paper, that is useless because extended seed phrases are stored in another place. I think that the backup method using mnemonic words, which is BIP39, is just a form of backup, that is, your seed doesn't necessarily need to be secure, but your passphrase must compensate for its lack of security, although it's unlikely that a user will generate an insecure seed, since most wallets use a secure entropy generator and there are no reports of thefts due to lack of entropy. Going back to what you mentioned, I still haven't found the best way to protect the passphrase (or extended seed word, as you prefer), but as you mentioned, this can be a good strategy. At the very least, it's essential to keep the passphrase geographically separated from the recovery seed.
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