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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1143694 times)
kolloh
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February 12, 2017, 01:58:37 AM
 #3161

I'm kinda worried about running ExploitAgency's fork (though I really like the additions). Would it be safe if I generated all my keys using his version using split key generation? Or theoretically, could he still get the full private key that way?

I'm fairly confident that the fork is legit, but want to be very safe about this. I don't have a machine that's not connected to the internet for generating keys, so that's not an option for me.

You might be able to set up a firewall rule that prevents any outgoing connections from the app via your firewall perhaps to effectively make it offline.
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February 12, 2017, 05:02:09 AM
Last edit: February 12, 2017, 10:55:10 PM by ExploitAgency
 #3162

I'm kinda worried about running ExploitAgency's fork (though I really like the additions). Would it be safe if I generated all my keys using his version using split key generation? Or theoretically, could he still get the full private key that way?

I'm fairly confident that the fork is legit, but want to be very safe about this. I don't have a machine that's not connected to the internet for generating keys, so that's not an option for me.

You might be able to set up a firewall rule that prevents any outgoing connections from the app via your firewall perhaps to effectively make it offline.

Clone the samr7 repo and my repo and do a diff on the code, if your running linux this is easy, else download a tool to compare files on Windows.  I don't use Windows you'll have to ask someone for a suggestion or Google it.  It will be easy to validate there have been no malicious changes.  Also you can use something like Wireshark to see that there are no packets being sent(make sure network is not in use) or a Windows specific tool like "netstat -a -n -o" and compare the PIDs to vanitygens PID(unless running oclvanityminer you should NOT find vanitygens PID in the list) this will show vanitygen doesn't "dial out" and the command should be built into windows unless they removed it to justify a pro version.

I don't know what else to say other than trust no one and investigate things for yourself.  It is an open source project.  Look at the code and compile it yourself.  I provided binaries to be helpful as most people who use Windows struggle to get things to compile.

Download one of those firewalls that warns every time a new program tries to make an internet connection, I like that idea too.

I strongly encourage users to encrypt their private keys.  I don't want to see anything happen to someones coins.  Always practice common sense security.  Using the -E option and specifying the password as an argument with the command just so happens to save that password to your command history.  I encourage you to use the -e option which prompts for the password input thus not saving a password to decrypt your private key in the command history.  I care about security, I put that tip right in the readme.  Thats all I can say, investigate things and then vouch for me when you come back and post a thumbs up :-).

Someone please audit my code i need testers!

There is no good gpu passthrough for vm's but you can run intel's opencl runtime and do opencl on the cpu for testing and checking security.  This is how I am testing my windows binaries.

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kolloh
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February 26, 2017, 08:24:07 PM
 #3163

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?
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February 26, 2017, 10:38:24 PM
 #3164

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?

it has to use a little cpu to verify the key.. its back like 100 pages or so..

but if your cpu is at 100% than you have something wrong.. it shouldnt be that much.

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February 27, 2017, 05:01:58 AM
 #3165

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?

it has to use a little cpu to verify the key.. its back like 100 pages or so..

but if your cpu is at 100% than you have something wrong.. it shouldnt be that much.



Yeah I can understand a little bit of CPU but it is maxing it out at 100% (overclocked 2500k) so I assumed it is also trying to look for keys on the CPU? Or does it really take that much CPU to verify the keys?
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February 27, 2017, 05:15:50 AM
 #3166

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?

it has to use a little cpu to verify the key.. its back like 100 pages or so..

but if your cpu is at 100% than you have something wrong.. it shouldnt be that much.



Yeah I can understand a little bit of CPU but it is maxing it out at 100% (overclocked 2500k) so I assumed it is also trying to look for keys on the CPU? Or does it really take that much CPU to verify the keys?

 What video card do you use?

Forum legend Phinnaeus Gage has passed on. 
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/$$$$$$$                                         /$$              /$$$$$$$$ /$$                     /$$       /$$$$$$$$           /$$   /$$            /$$$$$$                                  
| $$__  $$                                        |$/             | $$_____/|__/                    | $$      | $$_____/          |__/  | $$           /$$__  $$                                 
| $$  \ $$  /$$$$$$  /$$   /$$ /$$$$$$$   /$$$$$$ _//$$$$$$$      | $$       /$$ /$$$$$$$   /$$$$$$ | $$      | $$       /$$   /$$ /$$ /$$$$$$        | $$  \__/  /$$$$$$$  /$$$$$$  /$$$$$$/$$$$
| $$$$$$$  /$$__  $$| $$  | $$| $$__  $$ /$$__  $$ /$$_____/      | $$$$$   | $$| $$__  $$ |____  $$| $$      | $$$$$   |  $$ /$$/| $$|_  $$_/        |  $$$$$$  /$$_____/ |____  $$| $$_  $$_  $$
| $$__  $$| $$  \__/| $$  | $$| $$  \ $$| $$  \ $$|  $$$$$$       | $$__/   | $$| $$  \ $$  /$$$$$$$| $$      | $$__/    \  $$$$/ | $$  | $$           \____  $$| $$        /$$$$$$$| $$ \ $$ \ $$
| $$  \ $$| $$      | $$  | $$| $$  | $$| $$  | $$ \____  $$      | $$      | $$| $$  | $$ /$$__  $$| $$      | $$        >$$  $$ | $$  | $$ /$$       /$$  \ $$| $$       /$$__  $$| $$ | $$ | $$
| $$$$$$$/| $$      |  $$$$$$/| $$  | $$|  $$$$$$/ /$$$$$$$/      | $$      | $$| $$  | $$|  $$$$$$$| $$      | $$$$$$$$ /$$/\  $$| $$  |  $$$$/      |  $$$$$$/|  $$$$$$$|  $$$$$$$| $$ | $$ | $$
|_______/ |__/       \______/ |__/  |__/ \______/ |_______/       |__/      |__/|__/  |__/ \_______/|__/      |________/|__/  \__/|__/   \___/         \______/  \_______/ \_______/|__/ |__/ |__/
                                                                                                                                                                                                 
                                                                                                                                                                                                 
                                                                                                                                                                                                 

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February 27, 2017, 06:48:54 AM
 #3167

so I assumed it is also trying to look for keys on the CPU? Or does it really take that much CPU to verify the keys?
I can answer your last question: my laptop sometimes drops the CPU-speed 90% until I reboot (I think it's an overheat-protection). When this happens, it gets very slow. During this event, I can use oclvanitygen at the normal speed. As always, it uses full CPU, but for the end result it doesn't matter.

I can't answer your first question, my Nvidia is 25 times faster than my CPU and the output varies too much to see if the CPU adds 4% more to the total. I wish it wouldn't though, it makes my laptop slow to use during searches.

kolloh
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February 28, 2017, 04:55:01 AM
 #3168

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?

it has to use a little cpu to verify the key.. its back like 100 pages or so..

but if your cpu is at 100% than you have something wrong.. it shouldnt be that much.



Yeah I can understand a little bit of CPU but it is maxing it out at 100% (overclocked 2500k) so I assumed it is also trying to look for keys on the CPU? Or does it really take that much CPU to verify the keys?

 What video card do you use?


Using a Nvidia 980gtx card to do the searches. Is it just processing so many keys that its taking a lot of CPU power to keep up?
xhomerx10
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February 28, 2017, 06:27:52 PM
 #3169

It seems that when I run oclvanitygen with GPUs, it is also using CPU power to mine. Is there some way to disable CPU usage when using oclvanitygen with GPUs?

it has to use a little cpu to verify the key.. its back like 100 pages or so..

but if your cpu is at 100% than you have something wrong.. it shouldnt be that much.



Yeah I can understand a little bit of CPU but it is maxing it out at 100% (overclocked 2500k) so I assumed it is also trying to look for keys on the CPU? Or does it really take that much CPU to verify the keys?

 What video card do you use?


Using a Nvidia 980gtx card to do the searches. Is it just processing so many keys that its taking a lot of CPU power to keep up?

 I just tested my machines.  In one I have an Nvidia 970 and oclvanitygen uses ~16%CPU (5820K slightly overclocked).  In the other I have a radeon 7970 and oclvanitygen uses near 0% of the CPU (an i7-920) - it flickers occaisionally to 1%.  Wish I had a 980 for comparison.  I didn't anticipate that much difference in CPU requirement for the different cards.
 It didn't seem to matter if I used a list or just a single address, the results were the same.


Forum legend Phinnaeus Gage has passed on. 
 His final wish was for financial assistance. 

/$$$$$$$                                         /$$              /$$$$$$$$ /$$                     /$$       /$$$$$$$$           /$$   /$$            /$$$$$$                                  
| $$__  $$                                        |$/             | $$_____/|__/                    | $$      | $$_____/          |__/  | $$           /$$__  $$                                 
| $$  \ $$  /$$$$$$  /$$   /$$ /$$$$$$$   /$$$$$$ _//$$$$$$$      | $$       /$$ /$$$$$$$   /$$$$$$ | $$      | $$       /$$   /$$ /$$ /$$$$$$        | $$  \__/  /$$$$$$$  /$$$$$$  /$$$$$$/$$$$
| $$$$$$$  /$$__  $$| $$  | $$| $$__  $$ /$$__  $$ /$$_____/      | $$$$$   | $$| $$__  $$ |____  $$| $$      | $$$$$   |  $$ /$$/| $$|_  $$_/        |  $$$$$$  /$$_____/ |____  $$| $$_  $$_  $$
| $$__  $$| $$  \__/| $$  | $$| $$  \ $$| $$  \ $$|  $$$$$$       | $$__/   | $$| $$  \ $$  /$$$$$$$| $$      | $$__/    \  $$$$/ | $$  | $$           \____  $$| $$        /$$$$$$$| $$ \ $$ \ $$
| $$  \ $$| $$      | $$  | $$| $$  | $$| $$  | $$ \____  $$      | $$      | $$| $$  | $$ /$$__  $$| $$      | $$        >$$  $$ | $$  | $$ /$$       /$$  \ $$| $$       /$$__  $$| $$ | $$ | $$
| $$$$$$$/| $$      |  $$$$$$/| $$  | $$|  $$$$$$/ /$$$$$$$/      | $$      | $$| $$  | $$|  $$$$$$$| $$      | $$$$$$$$ /$$/\  $$| $$  |  $$$$/      |  $$$$$$/|  $$$$$$$|  $$$$$$$| $$ | $$ | $$
|_______/ |__/       \______/ |__/  |__/ \______/ |_______/       |__/      |__/|__/  |__/ \_______/|__/      |________/|__/  \__/|__/   \___/         \______/  \_______/ \_______/|__/ |__/ |__/
                                                                                                                                                                                                 
                                                                                                                                                                                                 
                                                                                                                                                                                                 

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kolloh
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March 01, 2017, 09:08:26 PM
 #3170

I've also been seeing a lot of CL_OUT_OF_RESOURCES errors lately such as the following:

Code:
ERROR: Could not map column buffer
ERROR: allocation failure?
vg_ocl_context_callback error: CL_OUT_OF_RESOURCES error waiting for idle on GeForce GTX XXX (Device 0).

and

Code:
clEnqueueMapBuffer(4): CL_INVALID_COMMAND_QUEUE

I've seen mentions of these in the past but haven't see any solutions to the issues. This causes oclvanitygen to abort. Any idea how to prevent these errors?
Chris!
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March 02, 2017, 05:27:01 PM
 #3171

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.
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March 02, 2017, 11:46:05 PM
 #3172

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??
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March 03, 2017, 01:00:26 AM
 #3173

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

You would need a decent PSU to power multiple cards but it shouldn't be that hard to build one.

Alternatively, you could just submit vanities you need to the vanity pool at http://vanitypool.appspot.com/ . As long as you have a decent fee for the difficulty, someone should find it pretty quickly.
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March 03, 2017, 01:38:22 AM
 #3174

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??

I have 2 vanity rigs going 24/7 and they have been for the last 3 years.  Although I do it mainly to generate sequential vanity addresses for my Minted Seat coins.

kolloh
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March 03, 2017, 06:09:13 AM
 #3175

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??

I have 2 vanity rigs going 24/7 and they have been for the last 3 years.  Although I do it mainly to generate sequential vanity addresses for my Minted Seat coins.

24/7 for 3 years is pretty impressive. What type of hardware are you running in those rigs and how many MH/s you getting with them combined?
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March 03, 2017, 02:10:55 PM
 #3176

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??

I have 2 vanity rigs going 24/7 and they have been for the last 3 years.  Although I do it mainly to generate sequential vanity addresses for my Minted Seat coins.

Any tips on do's and don't when making a vanity rig? I guess I could look into guides for making GPU miners and it would essentially be the same.
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March 04, 2017, 05:43:21 AM
 #3177

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??

I have 2 vanity rigs going 24/7 and they have been for the last 3 years.  Although I do it mainly to generate sequential vanity addresses for my Minted Seat coins.

Any tips on do's and don't when making a vanity rig? I guess I could look into guides for making GPU miners and it would essentially be the same.

Unlike coin miners you get more power using full 16x slots and extensions out of vanitygen, so I heard.

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March 05, 2017, 11:23:21 PM
 #3178

Has anyone set up their own external GPU rig? I've been looking into DIYing it but don't have any experience with builds. I'm still hoping to get a decent GPU to create some vanity addresses.

im sure its exactly the same as setting up a gpu mining rig..

but i dunno why you would want to spend money setting up a rig to create vanity addresses. ??

I have 2 vanity rigs going 24/7 and they have been for the last 3 years.  Although I do it mainly to generate sequential vanity addresses for my Minted Seat coins.

Any tips on do's and don't when making a vanity rig? I guess I could look into guides for making GPU miners and it would essentially be the same.

Unlike coin miners you get more power using full 16x slots and extensions out of vanitygen, so I heard.

Great. Everything helps as I'm starting with pretty much zero knowledge. I've fixed laptops but never built anything like this.
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March 06, 2017, 10:27:12 PM
 #3179

is there an estimated rate of finding?

Bitcoin for the win
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March 06, 2017, 10:57:03 PM
 #3180

is there an estimated rate of finding?

Sort of. There's an estimate as to when you'll have about a 50% chance of finding a key. I've had private keys that were found after a few percent and I've had some that were found at 98%. Once you start it'll give you an estimate as to how long it will take to get to a 50% chance of finding a key.
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