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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1108741 times)
salfter
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June 09, 2013, 04:15:21 PM
 #1281

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

no ATI, a GTX580

does it spit out "Difficulty: *" or not?

It does.

I think I've figured out what's happening: oclvanitygen will only find keys wirh vanity addresses for non-Bitcoin address types.  These commands work:

Code:
./oclvanitygen -D 0:0 -S 1
./oclvanitygen -D 0:0 -S -X 48 Lfoo

This doesn't:

Code:
./oclvanitygen -D 0:0 -S -X 48 L

The degenerate case where you just want an address appears to only work for Bitcoin.

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June 09, 2013, 04:29:10 PM
 #1282

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

no ATI, a GTX580

does it spit out "Difficulty: *" or not?

It does.

I think I've figured out what's happening: oclvanitygen will only find keys wirh vanity addresses for non-Bitcoin address types.  These commands work:

Code:
./oclvanitygen -D 0:0 -S 1
./oclvanitygen -D 0:0 -S -X 48 Lfoo

This doesn't:

Code:
./oclvanitygen -D 0:0 -S -X 48 L

The degenerate case where you just want an address appears to only work for Bitcoin.
try with an older ATI SDK?

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June 10, 2013, 11:30:24 PM
 #1283

The degenerate case where you just want an address appears to only work for Bitcoin.

Not just the degenerate case, but certain prefixes.  I can't generate Li (hashes a long time when it should easily find it), but I can do LiG easily.  For some reason Lig says the prefix is not possible, but it should be, right? Edit: deepceleron explained this.

The problem exists in revision 75246451d38140261f5318c258e53e4db7875607 when the -X flag was added to oclvanitygen, so maybe it was never really working.

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June 11, 2013, 08:04:40 AM
 #1284

The degenerate case where you just want an address appears to only work for Bitcoin.

but certain prefixes.  I can't generate Li (hashes a long time when it should easily find it), but I can do LiG easily.  For some reason Lig says the prefix is not possible, but it should be, right?


See:
(lightcoin) Valid addresses are in the range: LKDxGDJ-LiZZFKc7

Base58 ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
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June 12, 2013, 09:22:31 AM
 #1285

Just posting this for anyone who is interested.

I get 26 Mkey/s with a GTX 680. Was quite easy to get running, only launched CMD and "oclvanitygen.exe 1Brutus".

Found my "1Brutus" address in 6min Cheesy.
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June 13, 2013, 12:52:02 AM
 #1286

See:
(lightcoin) Valid addresses are in the range: LKDxGDJ-LiZZFKc7

Base58 ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"

Aha, you're right, thanks.  If anyone's curious, I verified these on brainwallet.org with hex strings 30000000000000000000000000000000000000000000000000 and 30ffffffffffffffffffffffffffffffffffffffffffffffff which are the lower and upper bounds of a litecoin pubkeyhash (1 network byte = 0x30, 20 bytes of hash, 4 bytes of checksum).

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June 15, 2013, 04:42:44 PM
 #1287

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?

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June 15, 2013, 05:03:03 PM
 #1288

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

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June 15, 2013, 06:17:00 PM
 #1289

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

cd? Sorry, I'm a noob...
 Sad

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June 15, 2013, 06:36:23 PM
 #1290

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

cd? Sorry, I'm a noob...
 Sad
i guess winblows user Tongue
put calc_address.cl in the same folder as oclvanitygen.exe

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June 15, 2013, 07:46:13 PM
 #1291

I never got oclvanitygen to work on my GPU (only CPU which gets 750kkeys/s) so I read here that I should downgrade to AMD Catalyst 12.8.
So I did that, but still oclvanitygen does not work on my GPU:

Code:
Compiling kernel, can take minutes...LLVM ERROR: Cannot select: 0x549e808: i8 = ...

Anyone knows how to fix this?

I was getting a similar error from my 7750 when I was running it with 13.1.  It works fine with 12.10, though.  I'd give that version a shot.

Is this is a bug in OpenCL?  Has it been reported to AMD?
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June 16, 2013, 10:22:32 PM
 #1292

Prefix must be at the end :-(

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June 16, 2013, 10:24:59 PM
 #1293

vanitygen.exe -o file.txt 1s

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June 16, 2013, 11:29:09 PM
 #1294

I think it's -k mister just found it
Lay off the weed bro ;-)

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June 17, 2013, 05:20:07 AM
 #1295

There should be a list of the major altcoins and their corresponding prefixes in the OP.

Code:
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June 17, 2013, 02:31:33 PM
 #1296

Make a new thread Vanitygen Prefixes and esamples

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June 17, 2013, 04:02:02 PM
 #1297

Make a new thread Vanitygen Prefixes and esamples
There should be a list of the major altcoins and their corresponding prefixes in the OP.

https://bitcointalk.org/index.php?topic=225680.0/

My business thread has them all. Just scroll down.

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June 18, 2013, 02:27:40 AM
 #1298

Make a new thread Vanitygen Prefixes and esamples
There should be a list of the major altcoins and their corresponding prefixes in the OP.

https://bitcointalk.org/index.php?topic=225680.0/

My business thread has them all. Just scroll down.

No, it doesn't.

Code:
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June 18, 2013, 10:28:08 AM
 #1299

Could anyone please tell me how to rectify the following error?


Code:
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.


C:\Users\#\Desktop\vanitygen>oclvanityminer -u https://vanitypool.appsot.
com/ -a ##
Get work request failed: Peer certificate cannot be authenticated with given CA
certificates

C:\Users\#\Desktop\vanitygen>oclvanityminer -u https://vanitypool.appspot
.com/ -a ##
clGetPlatformIDs(0): Unknown code -1001
clGetPlatformIDs(0): Unknown code -1001
Available OpenCL platforms:

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June 18, 2013, 06:22:14 PM
 #1300

Hi,
So I made a brain wallet a little while ago and put some coins in it. Not many (~1-2), but given current prices, I figure it's worth it to try and get at them again. The problem is that I can't exactly remember by passphrase. It was several words with non standard capitalization and letter substitutions. I remember what the base words were, but I can't remember the substitutions. I know the bitcoin address, so my plan is to generate possible passphrases based on what I know, then generate the private keys and corresponding bitcoin address and see if it's mine.

I've written a script in python to do this, but it's slow. It takes about 0.25 seconds/hash, and it should get me what I need eventually, but I would like it to go faster. I am using the ecdsa and hashlib python libraries to generate the keys and addresses, which I believe are implemented in C.

I've looked at the code for vanitygen, but I don't know C that well and there aren't really any comments, so I'm not sure how everything works. Moreover, I have never done anything in OpenCl, so my excursion into that code was fruitless.

So my question is, is there a way to modify vanitygen or oclvanitygen to generate addresses based on trial passphrases, or sha256(trial passphrases)?
I've done a fair bit of googling, but I can't find anyone who has made a program for this purpose. I'm willing to spend some time learning C (and maybe some OpenCL) if necessary.

Thanks

TL;DR: I don't remember by brain wallet, and want to use vanitygen (or part of it) to recover it.

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