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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 808370 times)
emrebey
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March 14, 2015, 07:11:06 PM
 #2041

vanitygen on mac works fine with a little tweak.

that might help:
https://github.com/samr7/vanitygen/issues/45

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coinomat
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March 17, 2015, 05:42:12 AM
 #2042

What command I need to use if I dont care that is with big or small letters?

Like 1DogEatOneCatxxxxxxxx.....

But for me is same if that is like 1dOGeaToNECAtxxxxx.....



"vanitygen64.exe -v -i 1dogeatonecat " right?



What command I need use to get first letter big and all other from my word small but after that random letter is same big or small..? like "1DogeatxXXxxXXxxX....."
Whit command "vanitygen64.exe -v 1Dogeat" I get error:

Invalid character 'l' in prefix '1Dogeat'



Are that possible stop project and continue later without start again from base?
TheRealSteve
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March 17, 2015, 10:53:52 AM
 #2043

What command I need to use if I dont care that is with big or small letters?

"vanitygen64.exe -v -i 1dogeatonecat " right?
Yes.  (See 1st post)

What command I need use to get first letter big and all other from my word small but after that random letter is same big or small..? like "1DogeatxXXxxXXxxX....."
You would need to use the -r (regular expression) option, although I'm not entirely certain what you're trying to achieve.  It may also be more economical to supply a list instead so that you can use oclvanitygen.

Whit command "vanitygen64.exe -v 1Dogeat" I get error:
Invalid character 'l' in prefix '1Dogeat'
Weird - that shouldn't happen.  Are you sure you're not introducing a lowercase letter 'L' somewhere in your prefix?

Are that possible stop project and continue later without start again from base?
This doesn't apply.  It's basically a random process.  The "[Prob N%][M% in Xtime]" is a probability estimator, not a 'progress' Smiley

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March 18, 2015, 10:40:50 AM
 #2044

vanitygen problem it generate same address again
... removed crap ...
in this case, you have a serious problem.
either your PRNG implementation in OpenSSL is broken or your system RNG entroy sources is borked.
of course, both can be the case and are not mutually exclusive.

even worse, this is a good sign that very likely all of the crypto modules your software/OS uses will be weak! its not only vanitygen who is affected by this.

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March 18, 2015, 10:48:16 AM
 #2045

vanitygen problem it generate same address again
It's a mostly-random process, so that can happen.  In addition there's collisions on address space, though in this case it looks like it ended up with the same private key as well.

Could you share the command line you had used for those two runs?

I don't know off hand what the statistical odds are of that happening with vanitygen, but they should be very, very slim to the point that I'd wonder if somehow the RNG's entropy pool was weak (essentially what K1773R said while I wrote this)...but then it should be happening more often.   ( You can provide another source of entropy for the seed based on a file )

So, either something weird's going on, or you hit a one-in-a-largenumberhere fluke Smiley

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March 18, 2015, 10:55:49 AM
 #2046

vanitygen problem it generate same address again
It's a mostly-random process, so that can happen.  In addition there's collisions on address space, though in this case it looks like it ended up with the same private key as well.

Could you share the command line you had used for those two runs?

I don't know off hand what the statistical odds are of that happening with vanitygen, but they should be very, very slim to the point that I'd wonder if somehow the RNG's entropy pool was weak (essentially what K1773R said while I wrote this)...but then it should be happening more often.   ( You can provide another source of entropy for the seed based on a file )

So, either something weird's going on, or you hit a one-in-a-largenumberhere fluke Smiley
If he has a bad PRNG implementation inside OpenSSL then using a different entropy source to seed the PRNG wont fix the problem.

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March 18, 2015, 11:34:17 AM
 #2047

It's a mostly-random process, so that can happen.  In addition there's collisions on address space, though in this case it looks like it ended up with the same private key as well.
Not in any practical sense.

If something was broken that did do that on his system, both execution traces would be the same.

In this case the posts just clearly appeared to be an excuse to encourage people to run backdoored private key generating code (which I've removed from the thread).
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March 18, 2015, 12:14:40 PM
 #2048

In this case the posts just clearly appeared to be an excuse to encourage people to run backdoored private key generating code (which I've removed from the thread).
Ah that sneaky bugger.  Thanks for catching that, I didn't even bother with the chunk-o-code Smiley

If he has a bad PRNG implementation inside OpenSSL then using a different entropy source to seed the PRNG wont fix the problem.
True, it should only affect the seed - that's still important if you don't trust that part.

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March 18, 2015, 01:33:42 PM
 #2049

It's a mostly-random process, so that can happen.  In addition there's collisions on address space, though in this case it looks like it ended up with the same private key as well.
Not in any practical sense.

If something was broken that did do that on his system, both execution traces would be the same.

In this case the posts just clearly appeared to be an excuse to encourage people to run backdoored private key generating code (which I've removed from the thread).
i've edited my post accordingly by just removing everything aside the headline.

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Just Magicmann
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March 21, 2015, 07:41:02 AM
 #2050

I'm having issues using my GTX 660 to assist in generating a vanity address. I marked -d 1:0 (already determined correct device) and all it does is show me the commands for vanitygen. I'm using version .20 if that makes a difference.

Command I'm using:
>vanitygen64 -v -d 1:0 -X 115 oMagicmann

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March 21, 2015, 08:01:13 AM
 #2051

I'm having issues using my GTX 660 to assist in generating a vanity address. I marked -d 1:0 (already determined correct device) and all it does is show me the commands for vanitygen. I'm using version .20 if that makes a difference.

Command I'm using:
>vanitygen64 -v -d 1:0 -X 115 oMagicmann

Can you try this?

Code:
vanitygen64 -v -D 1:0 -X 115 oMagicmann

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March 21, 2015, 05:30:24 PM
 #2052

I'm having issues using my GTX 660 to assist in generating a vanity address. I marked -d 1:0 (already determined correct device) and all it does is show me the commands for vanitygen. I'm using version .20 if that makes a difference.

Command I'm using:
>vanitygen64 -v -d 1:0 -X 115 oMagicmann

Can you try this?

Code:
vanitygen64 -v -D 1:0 -X 115 oMagicmann

I've done both a lower and upper case D and get the same result.

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March 21, 2015, 05:42:28 PM
 #2053

I'm having issues using my GTX 660 [...]

Command I'm using:
>vanitygen64 -v -d 1:0 -X 115 oMagicmann
Is that the exact command you're using?  If so... you're trying to use the CPU binary to do GPU vanity generation.  Try again with oclvanitygen64

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March 23, 2015, 12:16:53 AM
 #2054

I'm having issues using my GTX 660 [...]

Command I'm using:
>vanitygen64 -v -d 1:0 -X 115 oMagicmann
Is that the exact command you're using?  If so... you're trying to use the CPU binary to do GPU vanity generation.  Try again with oclvanitygen64

Did it with oclvanitygen and it works. Thanks for correcting my mistake!  Smiley

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March 23, 2015, 06:28:42 PM
 #2055

I've had vanitygen looking for a particular vanity prefix (6 letters) for about 5 days (not on the greatest hardware, admittedly, i'm getting 350Kkeys/s).  Nevertheless, I've been at 99.4% probability for 2 days now still with no results.  Could something be wrong or am I just unlucky?

Code:
[349.32 Kkey/s][total 144105239092][Prob 99.4%]

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March 23, 2015, 06:32:20 PM
 #2056

I've had vanitygen looking for a particular vanity prefix (6 letters) for about 5 days (not on the greatest hardware, admittedly, i'm getting 350Kkeys/s).  Nevertheless, I've been at 99.4% probability for 2 days now still with no results.  Could something be wrong or am I just unlucky?

Code:
[349.32 Kkey/s][total 144105239092][Prob 99.4%]


Unlucky. The 99.4% doesn't that you are close to finding it. Acutally no matter how long you have already searched, it will always take the same average time from that moment on.

The 99.4% means that if you searched for the amount of time you did, the chance of you finding one key would be 99.4%. So you are just a few standarddeviations from your average. No need to be alarmed.

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March 23, 2015, 06:57:24 PM
 #2057

I've had vanitygen looking for a particular vanity prefix (6 letters) for about 5 days (not on the greatest hardware, admittedly, i'm getting 350Kkeys/s).  Nevertheless, I've been at 99.4% probability for 2 days now still with no results.  Could something be wrong or am I just unlucky?

Code:
[349.32 Kkey/s][total 144105239092][Prob 99.4%]


Unlucky. The 99.4% doesn't that you are close to finding it. Acutally no matter how long you have already searched, it will always take the same average time from that moment on.

The 99.4% means that if you searched for the amount of time you did, the chance of you finding one key would be 99.4%. So you are just a few standarddeviations from your average. No need to be alarmed.

Ok, I think I understand you.  I have searched for this long and have .994 probability of having found one key.  However, I've actually found 0 keys and 1 key isn't that far away from 0 keys (these are the values which aren't so far apart in std.devs, yes?) so I guess I shall just let this thing keep on computing.

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TheRealSteve
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March 23, 2015, 06:58:58 PM
 #2058

Just for kicks, what is the exact command line you're using?

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March 23, 2015, 07:01:40 PM
 #2059

Just for kicks, what is the exact command line you're using?

Code:
tspacepilot@god:~/src/vanitygen$ ./vanitygen -v 1WALNUT
Prefix difficulty:          27763956579 1WALNUT
Difficulty: 27763956579
Using 2 worker thread(s)

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TheRealSteve
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March 23, 2015, 07:12:07 PM
 #2060

Code:
tspacepilot@god:~/src/vanitygen$ ./vanitygen -v 1WALNUT
Yeah, probably just bad luck then. 7-character prefix will take a while on most hardware and the bad end of variance scales accordingly.

If you're keen on having it, generate a private/public key pair, post the public key here, and maybe some kind folks will attempt a search for you.  See the discussion on split key generation a page or 2 back for details.

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