Have you converted the utils class?
http://code.google.com/p/bitcoinj/source/browse/core/src/main/java/com/google/bitcoin/core/Utils.java
Ill stub it out.
Topic: [CANCELLED] C# guru's - Need signmessage & verifymessage fill in the blanks - page 2. (Read 3151 times)
September 19, 2013, 07:47:41 PM
September 19, 2013, 07:42:01 PM
It just does a double hash.. ComputeHash(ComputeHash(data)) I believe
Ahhh... cool. Was thinking from type Double, lol
September 19, 2013, 07:39:15 PM
Java implementation he is adding 2 bit ints r & s. The c# out of the box class doesn't have these, so ill have to wrap it.
public static class ECDSASignature {
public BigInteger r, s;
public ECDSASignature(BigInteger r, BigInteger s) {
this.r = r;
this.s = s;
}
public static class ECDSASignature {
public BigInteger r, s;
public ECDSASignature(BigInteger r, BigInteger s) {
this.r = r;
this.s = s;
}
September 19, 2013, 07:35:28 PM
It just does a double hash.. ComputeHash(ComputeHash(data)) I believe
September 19, 2013, 07:35:18 PM
No probs, I should mention I dont want any extra dll's to be required.
All the required code should be able to be translated from the BitcoinJ library (BitcoinJ also uses Bouncy Castle). But if you find a different class, as long as its not too bloated, that's ok too.
All the required code should be able to be translated from the BitcoinJ library (BitcoinJ also uses Bouncy Castle). But if you find a different class, as long as its not too bloated, that's ok too.
Yeah, that was my assumption. Just translating...
September 19, 2013, 07:33:37 PM
I haven't even looked at this code in months, but I did implement full tx signing and verification in C# here, https://github.com/mb300sd/Bitcoin-Tool/tree/master/Bitcoin%20Tool
Something might be helpful.
Something might be helpful.
Yeah, I tried the dataSign method you had, but the message signing required some extra work, I think because Bitcoin-QT use some compressed signature which chops out the public key or something.
Well, if doof doesn't get it tonight, I might have a go at it tomorrow, just have to find my original source somewhere and install VS on this new laptop
Just tying to find out what this method does: then done
Sha256Hash.createDouble(messageBytes);
September 19, 2013, 07:32:07 PM
Well, if doof doesn't get it tonight, I might have a go at it tomorrow, just have to find my original source somewhere and install VS on this new laptop
The GitHub project I created (linked above) has a crypto folder, which is pretty much 99% your code just cut down for this exercise. Hopefully the submitted changes I can push back into your library.
September 19, 2013, 07:22:41 PM
I haven't even looked at this code in months, but I did implement full tx signing and verification in C# here, https://github.com/mb300sd/Bitcoin-Tool/tree/master/Bitcoin%20Tool
Something might be helpful.
Something might be helpful.
Yeah, I tried the dataSign method you had, but the message signing required some extra work, I think because Bitcoin-QT use some compressed signature which chops out the public key or something.
Well, if doof doesn't get it tonight, I might have a go at it tomorrow, just have to find my original source somewhere and install VS on this new laptop
September 19, 2013, 07:18:12 PM
I haven't even looked at this code in months, but I did implement full tx signing and verification in C# here, https://github.com/mb300sd/Bitcoin-Tool/tree/master/Bitcoin%20Tool
Something might be helpful.
Something might be helpful.
Yeah, I tried the dataSign method you had, but the message signing required some extra work, I think because Bitcoin-QT use some compressed signature which chops out the public key or something.
September 19, 2013, 07:16:36 PM
I haven't even looked at this code in months, but I did implement full tx signing and verification in C# here, https://github.com/mb300sd/Bitcoin-Tool/tree/master/Bitcoin%20Tool
Something might be helpful.
Something might be helpful.
September 19, 2013, 07:05:38 PM
No probs, I should mention I dont want any extra dll's to be required.
All the required code should be able to be translated from the BitcoinJ library (BitcoinJ also uses Bouncy Castle). But if you find a different class, as long as its not too bloated, that's ok too.
All the required code should be able to be translated from the BitcoinJ library (BitcoinJ also uses Bouncy Castle). But if you find a different class, as long as its not too bloated, that's ok too.
September 19, 2013, 06:54:20 PM
Just about done. Theres a few Classes that don't seem to exist in bouncy castle. Just hunting them down now.
September 19, 2013, 06:39:32 PM
Cant github from work, so I just copied and paste. Is the bounty still out? Should finish it off in an hour.
Yeah mate, still available. Send us a link or whatever when your done and i'll have a look.
September 19, 2013, 04:40:33 PM
i'm also ready to help out if still needed (my SO profile: http://stackoverflow.com/users/90742/herzmeister)
Well no one has submitted a pull request yet.. first one to submit a working solution will get the coin. Not ideal I know... but it's not that big of a job either.
Cant github from work, so I just copied and paste. Is the bounty still out? Should finish it off in an hour.
September 19, 2013, 06:31:19 AM
I thought I'm nice and let the other guy first, and I'm at work right now anyway.
September 19, 2013, 06:11:56 AM
i'm also ready to help out if still needed (my SO profile: http://stackoverflow.com/users/90742/herzmeister)
Well no one has submitted a pull request yet.. first one to submit a working solution will get the coin. Not ideal I know... but it's not that big of a job either.
September 19, 2013, 06:06:17 AM
I think people would be more willing to help if you sent the bounty in escrow on Rugatu, assuming is your question of course.
http://www.rugatu.com/questions/21141/are-there-any-gurus-at-c
http://www.rugatu.com/questions/21141/are-there-any-gurus-at-c
September 19, 2013, 05:38:39 AM
i'm also ready to help out if still needed (my SO profile: http://stackoverflow.com/users/90742/herzmeister)
September 19, 2013, 05:33:26 AM
Yeah, should be mostly straight forward, though there are a few curly ones in there like mismatch ECKey vs ECKeyPair classes..
I had a good crack at it myself but didn't wont to spend too long on it.. I figured the crypto experts would be able to get it working pretty quick.
Submit a pull request when your done, i'll run it through a test script with 100 addresses and different messages to confirm it works before releasing the bounty.
Thanks for looking into it for me.
I had a good crack at it myself but didn't wont to spend too long on it.. I figured the crypto experts would be able to get it working pretty quick.
Submit a pull request when your done, i'll run it through a test script with 100 addresses and different messages to confirm it works before releasing the bounty.
Thanks for looking into it for me.
September 19, 2013, 02:21:12 AM
Most of it is easy fixes.
Change the static methods to not static. No need for them.
And a issues are just case problems. BigInteger.multiply should be BigInteger.Multiply, BigInteger.Long etc
If you go to your objectbrowser, you should see all the methods.
Gotta run to my meetup now. If the bounties not collected by tomorrow morn, ill finish it up.
Change the static methods to not static. No need for them.
And a issues are just case problems. BigInteger.multiply should be BigInteger.Multiply, BigInteger.Long etc
If you go to your objectbrowser, you should see all the methods.
Gotta run to my meetup now. If the bounties not collected by tomorrow morn, ill finish it up.
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