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Author Topic: Bitcoin version 0.4 released  (Read 15679 times)
Bitcoin_Silver_Supply
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September 24, 2011, 07:37:59 AM
 #41

Thanks guys. Built-in encryption is great.
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September 24, 2011, 11:29:46 AM
 #42

Thanks the hard work of the development team!
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September 24, 2011, 11:53:31 AM
 #43

Thanks guys! Keep up the good work Smiley

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September 24, 2011, 12:44:59 PM
 #44

Sadly still not working on W2k  Cry


Switch to Linux.  Surely W2K will have enough unpatched security holes that any bitcoins you own will surely get stolen.

Maybe it's his workplace machine. I can't imagine a bitcoiner using W2K by choice in the year 2011.

Yeah certainly not when XP is still available.

http://www.winbtcs.com/?ref=16M52MjMVUWfiwZfBMBjLqGChM3ensF3mk
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September 24, 2011, 01:04:42 PM
 #45

Sadly still not working on W2k  Cry


Switch to Linux.  Surely W2K will have enough unpatched security holes that any bitcoins you own will surely get stolen.

Maybe it's his workplace machine. I can't imagine a bitcoiner using W2K by choice in the year 2011.

Yeah certainly not when XP is still available.

And Microsoft will give you a current version of Windows for free.

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proudhon
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September 24, 2011, 01:06:28 PM
 #46

Thanks devs.  Keep up the fantastic work!
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September 24, 2011, 01:17:50 PM
 #47

Super Excellent!

What is the encryption method/algorithm used?

Since the DB format has been updated how will that affect blockchain archives? Will there have to be two versions or will downloading an older version still work fine? I guess it auto-converts if it sees an older version DB?

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September 24, 2011, 01:29:18 PM
 #48

And Microsoft will give you a current version of Windows for free.

OFF-TOPIC: Where can I signup for that free windows version?

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September 24, 2011, 02:00:24 PM
 #49

Super Excellent!

What is the encryption method/algorithm used?

dynamic iterated SHA512 hashing to derive a password key, AES256-CBC using the password key to encrypt a master key, AES256-CBC using the master key to encrypt the wallet keys.

Quote
Since the DB format has been updated how will that affect blockchain archives? Will there have to be two versions or will downloading an older version still work fine? I guess it auto-converts if it sees an older version DB?

The wallet format changed to support encrypted keys, the blockchain database format didn't.

The binary is linked using bdb4.8 instead of bdb4.7 though, which will upgrade the database logs well, in a backward-incompatible way.

aka sipa, core dev team

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September 24, 2011, 02:17:01 PM
 #50

What is the encryption method/algorithm used?
dynamic iterated SHA512 hashing to derive a password key, AES256-CBC using the password key to encrypt a master key, AES256-CBC using the master key to encrypt the wallet keys.
More details are in the doc/README file in the tree:
  https://github.com/bitcoin/bitcoin/blob/master/doc/README#L70

How often do you get the chance to work on a potentially world-changing project?
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September 24, 2011, 02:28:41 PM
 #51

You guys are great, thank you for this further step.
Is there a donation adress for the whole developer team or something similar?

There is not a donation address for the whole development team; if there was, somebody would have to be in charge of keeping track of the bitcoins, deciding what they should be spent on, etc.

I don't want to be that somebody....

If you like the wallet encryption feature, send bitcoins to:
  Matt Corallo :  1JBMattRztKDF2KRS3vhjJXA7h47NEsn2c
and Jeff Garzik : 1BrufViLKnSWtuWGkryPsKsxonV2NQ7Tcj

Matt (aka "BlueMatt" in IRC) did the hard work of making wallet encryption happen, and deserves a ton of credit for being persistent and reworking his Jeff's initial implementation a few times based on feedback and suggestions.

Gregory Maxwell ('gmaxwell') also deserves credit and donations, he gave a lot of feedback and did a lot of testing:
  gmaxwell : 1LjPAUKf23kDBy9sLJbiLfsvjde3ZdHcbJ

(corrected to give Jeff credit for the initial implementation-- sorry Jeff!)

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September 24, 2011, 02:54:07 PM
 #52

i have a question.  i want to use an very long complex password that i've memorized.  however, i stopped the encryption when i saw just a single password entry window that hides the password itself.  reason being is that if i mis type one character and proceed to ok the encryption i'm screwed, correct?  if correct, why wasn't a "re-type password" window used?
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September 24, 2011, 03:20:42 PM
 #53

i have a question.  i want to use an very long complex password that i've memorized.  however, i stopped the encryption when i saw just a single password entry window that hides the password itself.  reason being is that if i mis type one character and proceed to ok the encryption i'm screwed, correct?  if correct, why wasn't a "re-type password" window used?
Just did this myself and it does prompt a second time to re-enter the password before creating the new wallet.

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September 24, 2011, 03:38:14 PM
 #54

i have a question.  i want to use an very long complex password that i've memorized.  however, i stopped the encryption when i saw just a single password entry window that hides the password itself.  reason being is that if i mis type one character and proceed to ok the encryption i'm screwed, correct?  if correct, why wasn't a "re-type password" window used?
Just did this myself and it does prompt a second time to re-enter the password before creating the new wallet.

thanks.  didn't want to press ok until someone told me exactly what was going to happen next.
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September 24, 2011, 04:03:56 PM
 #55

And Microsoft will give you a current version of Windows for free.

OFF-TOPIC: Where can I signup for that free windows version?

http://www.websitespark.com/

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September 24, 2011, 05:29:18 PM
 #56

...

Previous versions of bitcoin are unable to read encrypted wallets,
and will crash on startup if the wallet is encrypted.

...

Is it a notification or a real crash?

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Gabi
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September 24, 2011, 05:35:25 PM
 #57

Sadly still not working on W2k  Cry

Are you joking? windows 2000 in 2011? Ehi i have a copy of windows 3.1 somewhere, are you interested in it?  Roll Eyes

The fact that the client doesn't work with w2k is a GOOD THING.
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September 24, 2011, 05:50:26 PM
 #58

Would someone mind uploading the block chain somewhere for me those on expensive inet connections. Cheers!

The fact that the client doesn't work with w2k is a GOOD THING.
There has only been one reliable release from Microsoft since 2000.

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September 24, 2011, 06:09:57 PM
 #59

There has only been one reliable release from Microsoft since 2000.

Seriously - if you pretend that everything between Windows 2000 and Windows 7 never happened, then Microsoft actually look like a badass company with solid products.

^_^
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September 24, 2011, 06:27:27 PM
 #60

Previous versions of bitcoin are unable to read encrypted wallets,
and will crash on startup if the wallet is encrypted.
Is it a notification or a real crash?

A real crash.

In a perfect world, Bitcoin version 0.1 would have included code that looked for a "Bitcoin version X or later required to read this wallet.dat file" setting, and notify the user and exit cleanly if X is greater than the version you're running.

We don't live in a perfect world.

So the second-best solution was to have version 0.4 and later do the "Bitcoin version X or later required to read this wallet.dat file" thing.  And write a value into the wallet that causes previous versions of bitcoin to crash on startup.

If previous versions didn't crash when given an encrypted wallet, they'd just ignore the encrypted keys, generate a bunch of new, unencrypted keys, and give people heart attacks when they ran the old version of bitcoin and told them they had a 0 bitcoin balance.

How often do you get the chance to work on a potentially world-changing project?
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