Pollard's kangaroo ECDLP solver - page 87.

WanderingPhilospher

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Shooters Shoot...

Quote from: Etar on July 05, 2020, 10:53:47 AM

I am also can admit that there no faster way to solve public key then kangaroo.
Not bsgs not division point and find public keys of fractional parts .
Not division range in to small subranges and solve each separately.
Only kangaroo as is. In full range is the faster method.

Maybe...however, I think it depends on the size of the range you are checking, and luck. My implementation of BSGS, how I use it, will compare to quickness of Kangaroo. If luck is really good, even faster. In lower ranges (say ranges 1 to 80), the way I use BSGS, it is as fast or faster. If I had server client to assign ranges, I think it would be even faster. But Kangaroo is definitely the easiest to use, no modding, just click and let it run.

COBRAS

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Quote from: Etar on July 05, 2020, 10:53:47 AM

I am also can admit that there no faster way to solve public key then kangaroo.
Not bsgs not division point and find public keys of fractional parts .
Not division range in to small subranges and solve each separately.
Only kangaroo as is. In full range is the faster method.

I need a method = my budget bro, i have no 200 Tesla. Im not like full range in Kangaroo, this is not liked idea for me. And Kangaroo not use endomrphsm in what all priveys only 128 bytes !!! Yes - not more 128 bytes !!! Bat kabgaroo version waht make Jean_Luc not make any priveys to 128 bytes max with endomorphism. And I think symmetry what imposible with endomorphism is to expansuve for pay symmetry for 128 bytes privkey. I hope Jean_Luc implement endomorphism in his Kangaroo - he is super programmer and great man.

Etar

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Activity: 642

Merit: 316

I am also can admit that there no faster way to solve public key then kangaroo.
Not bsgs not division point and find public keys of fractional parts .
Not division range in to small subranges and solve each separately.
Only kangaroo as is. In full range is the faster method.

COBRAS

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Quote from: Etar on July 05, 2020, 10:39:41 AM

Quote from: COBRAS on July 05, 2020, 10:17:39 AM

shifted result> 045b7696358e6ba86341eb97a1f1a6622a4a1f175660b456c7c89562eadf3c4e3dfb73c7828b8de ad960cc92c1bc6c3aef5bf4c8496095b65df554ff98c06ce5e9

it is wrong result because you are using uncompressed public key as pointstr!!!
Use only compressed pubkey in pointstr!

Okey !!! Big Thank You Bro !!!

Etar

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Activity: 642

Merit: 316

Quote from: COBRAS on July 05, 2020, 10:17:39 AM

shifted result> 045b7696358e6ba86341eb97a1f1a6622a4a1f175660b456c7c89562eadf3c4e3dfb73c7828b8de ad960cc92c1bc6c3aef5bf4c8496095b65df554ff98c06ce5e9

it is wrong result because you are using uncompressed public key as pointstr!!!
Use only compressed pubkey in pointstr!

COBRAS

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Quote from: Etar on July 05, 2020, 10:34:33 AM

Quote from: COBRAS on July 05, 2020, 10:28:00 AM

-snip-
Bro, Your code is making what is described there https://bitcointalksearch.org/topic/m.54296078 or something else ?

Python code do exactly what you need (substract startrange from public key). After you will find key, just add to key your startrange and you will get correct PK.

Big Thank You Bro !!!

Etar

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Activity: 642

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Quote from: COBRAS on July 05, 2020, 10:28:00 AM

-snip-
Bro, Your code is making what is described there https://bitcointalksearch.org/topic/m.54296078 or something else ?

Python code do exactly what you need (substract startrange from public key). After you will find key, just add to key your startrange and you will get correct PK.

COBRAS

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Quote from: Etar on July 05, 2020, 10:04:17 AM

Quote from: COBRAS on July 05, 2020, 09:52:13 AM

-snip-

For what you do p+??? I am realy do not understand you. I was explain you how need substract range from pub and then get back.
All values should be by modulo p. But you with p+ do something else..
Edit: and what is it Huh

Code:

pointstr = '043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9'

pointstr should be compressed! becouse after that pt= getuncompressedpub(pointstr)
change

Code:

043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

to

Code:

033aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a0

here is result

Code:

shifted result> 043da25db054a78e5253f461a104759d559526c02565ef9b966662cb0299e95ebc8f068e4c209fc9e9053dfc3419a0cef6bccd931a514aec5900e5a17a031e64a6
result> 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

Bro, Your code is making what is described there https://bitcointalksearch.org/topic/m.54296078 or something else ?

Etar

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Activity: 642

Merit: 316

Quote from: COBRAS on July 05, 2020, 10:17:39 AM

-snip-
Why you in code deduct only Y coordinate ?
-snip-

Because point substraction operation it is addition operation where y-coordinate is negative in deductible point.
Python code give you correct result only if you are used him in correct way.
pointstr should be compressed pub key that start with 02/03 and with length 66bytes(prefix 02/03 +x_coodinate).
pubkey that start with 04 it is uncompressed pub and have length 130 bytes(prefix 04+x_coordinate+y_coordinate).

Edit: to convert uncompressed to compressed or vice versa you can use this tool https://iancoleman.io/bitcoin-key-compression/
in you last example 04d069fa48ccf890d2fed1a0c120be98444d4c1945a624ea625ac8a1a44e0e86b04ef949c7eb631 e6b2d6beac5257f8c3afac94236803ede49a609142faf61a015
this is 03d069fa48ccf890d2fed1a0c120be98444d4c1945a624ea625ac8a1a44e0e86b0
and you should set pointstr = '03d069fa48ccf890d2fed1a0c120be98444d4c1945a624ea625ac8a1a44e0e86b0'

after that you will have correct shifted result

Code:

shifted result> 0474592cdb1af0afc0705a240b0e1edc883a9dc56ed3fc80d71c25c689ff3a20e859ec3168bf6a3952e11f04a729745272254b5e06787626fa0d7b6609cc529505

and back result

Code:

result> 04d069fa48ccf890d2fed1a0c120be98444d4c1945a624ea625ac8a1a44e0e86b04ef949c7eb631e6b2d6beac5257f8c3afac94236803ede49a609142faf61a015

COBRAS

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Quote from: Etar on July 05, 2020, 10:04:17 AM

Quote from: COBRAS on July 05, 2020, 09:52:13 AM

-snip-

For what you do p+??? I am realy do not understand you. I was explain you how need substract range from pub and then get back.
All values should be by modulo p. But you with p+ do somesing else..
Edit: and what is it Huh

Code:

pointstr = '043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9'

pointstr should be compressed! becouse after that pt= getuncompressedpub(pointstr)
change

Code:

043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

to

Code:

033aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a0

here is result

Code:

shifted result> 043da25db054a78e5253f461a104759d559526c02565ef9b966662cb0299e95ebc8f068e4c209fc9e9053dfc3419a0cef6bccd931a514aec5900e5a17a031e64a6
result> 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

Bro I need this because your code is more simple for me then EC calculator. But then I deduct range in EC calculator I get different result then yours ! And If yor code is calculate falce result this is bad for me, - and i will be need go back to f*g calculator ))

Why you in code deduct only Y coordinate ? Y coordinate is a TAME kangaroo and TAME Kangaroo insensitive to ranges as I know.

I try relise this teckinks https://bitcointalksearch.org/topic/m.54296078

Your code needed me for downgrade pubkey bytes light and search for ex. not 100 bytes range but <100 bytes range.

edit:

pointstr should be compressed! becouse after that pt= getuncompressedpub(pointstr)
change

F*ck !!! Thank you, now I understand more. Bro - Big thank you.

But again bro:

Pt pointstr = '04d069fa48ccf890d2fed1a0c120be98444d4c1945a624ea625ac8a1a44e0e86b04ef949c7eb631e6b2d6beac52 57f8c3afac94236803ede49a609142faf61a015'

shifted result> 045b7696358e6ba86341eb97a1f1a6622a4a1f175660b456c7c89562eadf3c4e3dfb73c7828b8de ad960cc92c1bc6c3aef5bf4c8496095b65df554ff98c06ce5e9
result> 0480660a712ad5746acc3104176a2ec22ba05a9f67edea014b3c327f6cf951b0698546081fd9806bebba3bd 608ba6b531546796b3fa3e509d1a6757e4d54a6b203

I cant understand what is a "result>"...

Etar

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Activity: 642

Merit: 316

Quote from: COBRAS on July 05, 2020, 09:52:13 AM

-snip-

For what you do p+??? I am realy do not understand you. I was explain you how need substract range from pub and then get back.
All values should be by modulo p. But you with p+ do something else..
Edit: and what is it Huh

Code:

pointstr = '043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9'

pointstr should be compressed! becouse after that pt= getuncompressedpub(pointstr)
change

Code:

043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

to

Code:

033aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a0

here is result

Code:

shifted result> 043da25db054a78e5253f461a104759d559526c02565ef9b966662cb0299e95ebc8f068e4c209fc9e9053dfc3419a0cef6bccd931a514aec5900e5a17a031e64a6
result> 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

COBRAS

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Quote from: Etar on July 05, 2020, 09:28:59 AM

Quote from: COBRAS on July 05, 2020, 09:12:45 AM

-snip-
Bro,

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

aagain generate false result. This is not deducted pubkey+starting range, and I kan't understand what is it and why I can't get previous pubkey then I add range what I deleted early

How to minus range and add after and get result: startpubey=Q(pubkey-range)+range Huh

?

1) You have pub key let`s call this point Pt
2) And you have startrange = 0x800000 for ex. Calculate point from startingrange: x,y = ptmul(g,startrange )
3) make y-coordinate negative using p-y, so you will have point with x,p-y
4) make point addition operation via your pubkey and point from step 3: myX,myY = addpt(Pt, (x,p-y), p)
myX,myY is equil to point Pt from which substract startrange.

If you need getback to Pt value just add to myX,myY point x,y: backX,backY = addpt((myX,myY) , (x,y), p)
backX,backY will equil to Pt.

Post here example where you have wrong result.
here is result from python console from example that you post above:

Code:

shifted result> 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9
result> 047e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc625c7118f1c29cb92d28ce0dfd0dc58144fe5572effebc7fee54c4fce3333a6b

uncompressed 047e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc625c7118f1c29 cb92d28ce0dfd0dc58144fe5572effebc7fee54c4fce3333a6b
is the same as compressed 037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc

Bro this is first step: ""-" range from Pt

Code:

#CHANGE HERE beginrange and pointstr
beginrange=0x80000000000000000000
pointstr = '037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc'

pt= getuncompressedpub(pointstr)
(subptx,subpty) = ptmul(g, beginrange, p)
result=addpt(pt, (subptx,p-subpty), p)
print("shifted result> 04%064x%064x"%result)

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

shifted result> Call THIS POIT Presult - 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9
result> 047e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc625c7118f1c29cb92d28ce0dfd0dc58144fe5572effebc7fee54c4fce3333a6b

After I was change "-" to "+" so : "result=addpt(pt, (subptx,p+subpty), p)" and add range to Presut:

Code:

pointstr = '043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9'

pt= getuncompressedpub(pointstr)
(subptx,subpty) = ptmul(g, beginrange, p)
result=addpt(pt, (subptx,p+subpty), p)
print("shifted result> 04%064x%064x"%result)

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

shifted result> CALL THIS POINT P-backresult 041e8e77439c921a460ce4185b864329dcba5960646e93c59d5e7bbbea8dd913fcd83777dec0468c76fdc5b0a4ce879086e66766f520386f9db6e1999d8b0e1ad0
result> 04a3bcf71ae6452d91247af4bd6df4e1fa116150d79535097dcc0a1c772e807ac7af30eb6e7bfad29f1df4664388e2c0900b5a90a5a119ee1dd2ee746c7d42bebe

But P-backresult+range NOT EQUAL(<>) Pt !!!

037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc<>041e8e77439c921a460ce4185b864329dcba5960646e93c59d5e7bbbea8dd913fcd83777dec0468c76fdc5 b0a4ce879086e66766f520386f9db6e1999d8b0e1ad0

You see Huh

Etar

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Activity: 642

Merit: 316

Quote from: COBRAS on July 05, 2020, 09:12:45 AM

-snip-
Bro,

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

aagain generate false result. This is not deducted pubkey+starting range, and I kan't understand what is it and why I can't get previous pubkey then I add range what I deleted early

How to minus range and add after and get result: startpubey=Q(pubkey-range)+range Huh

?

1) You have pub key let`s call this point Pt
2) And you have startrange = 0x800000 for ex. Calculate point from startingrange: x,y = ptmul(g,startrange )
3) make y-coordinate negative using p-y, so you will have point with x,p-y
4) make point addition operation via your pubkey and point from step 3: myX,myY = addpt(Pt, (x,p-y), p)
myX,myY is equil to point Pt from which substract startrange.

If you need getback to Pt value just add to myX,myY point x,y: backX,backY = addpt((myX,myY) , (x,y), p)
backX,backY will equil to Pt.

Post here example where you have wrong result.
here is result from python console from example that you post above:

Code:

shifted result> 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9
result> 047e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc625c7118f1c29cb92d28ce0dfd0dc58144fe5572effebc7fee54c4fce3333a6b

uncompressed 047e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc625c7118f1c29 cb92d28ce0dfd0dc58144fe5572effebc7fee54c4fce3333a6b
is the same as compressed 037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc

COBRAS

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Quote from: Etar on July 05, 2020, 07:07:11 AM

Quote from: COBRAS on July 05, 2020, 06:08:11 AM

-snip-
What I do wrong ?

Code:

#CHANGE HERE beginrange and pointstr
beginrange=0x80000000000000000000
pointstr = '037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc'

pt= getuncompressedpub(pointstr)
(subptx,subpty) = ptmul(g, beginrange, p)
result=addpt(pt, (subptx,p-subpty), p)
print("shifted result> 04%064x%064x"%result)

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

[/quote

Bro,

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

aagain generate false result. This is not deducted pubkey+starting range, and I kan't understand what is it and why I can't get previous pubkey then I add range what I deleted early

How to minus range and add after and get result: startpubey=Q(pubkey-range)+range Huh

?

Etar

sr. member

Activity: 642

Merit: 316

Quote from: COBRAS on July 05, 2020, 06:08:11 AM

-snip-
What I do wrong ?

Code:

#CHANGE HERE beginrange and pointstr
beginrange=0x80000000000000000000
pointstr = '037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc'

pt= getuncompressedpub(pointstr)
(subptx,subpty) = ptmul(g, beginrange, p)
result=addpt(pt, (subptx,p-subpty), p)
print("shifted result> 04%064x%064x"%result)

Bresult=addpt(result, (subptx,subpty), p)
print("result> 04%064x%064x"%Bresult)

COBRAS

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Quote from: Etar on June 13, 2020, 08:41:40 AM

Quote from: COBRAS on June 13, 2020, 08:07:26 AM

Please, someone make a scrypt for automatic shifting pubkey to "zero" ? I was try many times and not found any keys I think because of this. Manualy shift all pubkeys to "zero" is f**ing work, trust me please.

i don`t know for what you need shift pub key but any way here is python code and you can launch this code online https://repl.it/languages/python3

Code:

def inverse(x, p):
   """
   Calculate the modular inverse of x ( mod p )
   """
   inv1 = 1
   inv2 = 0
   n=1
   while p != 1 and p!=0:
   quotient = x // p

   inv1, inv2 = inv2, inv1 - inv2 * quotient
   x, p = p, x % p
   n = n+1

   return inv2

def dblpt(pt, p):
   """
   Calculate pt+pt = 2*pt
   """
   if pt is None:
   return None
   (x,y)= pt
   if y==0:
   return None

   slope= 3*pow(x,2,p)*pow(2*y,p-2,p)


   xsum= pow(slope,2,p)-2*x

   ysum= slope*(x-xsum)-y

   return (xsum%p, ysum%p)

def addpt(p1,p2, p):
   """
   Calculate p1+p2
   """
   if p1 is None or p2 is None:
   return None
   (x1,y1)= p1
   (x2,y2)= p2
   if x1==x2:
   return dblpt(p1, p)

   # calculate (y1-y2)/(x1-x2) modulus p

   slope=(y1-y2)*pow(x1-x2,p-2,p)


   xsum= pow(slope,2,p)-(x1+x2)

   ysum= slope*(x1-xsum)-y1


   return (xsum%p, ysum%p)

def ptmul(pt,a, p):
   """
   Calculate pt*a
   """
   scale= pt
   acc=None


   while a:

   if a&1:
   if acc is None:
   acc= scale

   else:
   acc= addpt(acc,scale, p)

   scale= dblpt(scale, p)
   a >>= 1



   return acc

def ptdiv(pt,a,p,n):
   """
   Calculate pt/a
   """
   divpt=inverse(a, n)%n
   return ptmul(pt, divpt, p)

def isoncurve(pt,p):
   """
   returns True when pt is on the secp256k1 curve
   """
   (x,y)= pt
   return (y**2 - x**3 - 7)%p == 0

def getuncompressedpub(compressed_key):
   """
   returns uncompressed public key
   """
   y_parity = int(compressed_key[:2]) - 2
   x = int(compressed_key[2:], 16)
   a = (pow(x, 3, p) + 7) % p
   y = pow(a, (p+1)//4, p)
   if y % 2 != y_parity:
   y = -y % p
   return (x,y)

#secp256k1 constants
Gx=0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798
Gy=0x483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8
n=0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141
p = 2**256 - 2**32 - 977
g= (Gx,Gy)

#CHANGE HERE beginrange and pointstr
beginrange=0x80000000000000000000
pointstr = '037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc'

pt= getuncompressedpub(pointstr)
(subptx,subpty) = ptmul(g, beginrange, p)
result=addpt(pt, (subptx,p-subpty), p)
print("shifted result> 04%064x%064x"%result)

Code have all functions that you need to work with points.
P.S. Kangaroo app automaticly shift range and pubkey if begin range is not zero.

Good day Etar !

Help me please. Then I make revers operation - (subptx,p+subpty), I not get starting pubkey !!!

So I cant go back to 037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc if I add starting range.

So 037e1238f7b1ce757df94faa9a2eb261bf0aeb9f84dbf81212104e78931c2a19dc - 80000000000000000000 = 043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256 def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9

---

043aeb4f818ca91912a3e50d1b3db196696f82713bae00ba2b53c09a23f1d284a085b2197137256 def6c05a0f105e1b1eee9c10d23b7a4911040a23e891ebb3dc9 + 80000000000000000000 = 041e8e77439c921a460ce4185b864329dcba5960646e93c59d5e7bbbea8dd913fcd83777dec0468 c76fdc5b0a4ce879086e66766f520386f9db6e1999d8b0e1ad0

Huh

?

What I do wrong ?

Etar

sr. member

Activity: 642

Merit: 316

Quote from: racminer on July 04, 2020, 06:05:45 PM

-snip-
I was trying to compile your "pure basic" server/client script but I don't seem to find this file: Curve64.pb
-snip-

Here is link to archive https://drive.google.com/file/d/1XMxvxB1FGxfAi7hFMitiQpENUqvabiQ6
it is new version server/client for bitcrack with POW . Archive contain all source files, libs and precompiled applications.
Before use in a big range try in a small.

COBRAS

member

Activity: 873

Merit: 22

$$P2P BTC BRUTE.JOIN NOW ! https://uclck.me/SQPJk

Jean_Luc !!! Make please endomorphism for Kangraroo ?

You need only 8 byte additiona for your 120 bytes for mega rich bro (I think you know what I talk ) and me need only substract only 40 bytes from pubkey , and with endomorphisfm we all maybe get some $$$

Please, Bro ?

racminer

member

Activity: 245

Merit: 17

Quote from: Etar on July 03, 2020, 02:33:58 PM

Quote from: RBan on July 03, 2020, 12:45:58 PM

Quote from: filo1992 on July 02, 2020, 02:47:51 AM

Hi, I have finished the 64 bit range, but I have not found any key with 8 rx 570 8gb.

You can't scan the 64 bit range with Pollard's kangaroo since the public key is unknown, we know only the address 16jY7qLJnxb7CHZyqBP8qca9d51gAjyXQN. Only keys in the 5 multiples (65, 70, 75, 80, 85,... 160) have spent values and therefore have their public keys published.

The only way to scan for address 64 is Brute force/Vanity search and plenty of luck.

Vanity search does not allow you to set the starting and ending search ranges. I redid Vanity search on the CPU and used the public key as the initial range
But I could not remake it under GPU, because it uses a predefined file.
In general it is better to use Bitcrack for these purposes.
Especially when there is a server / client application for working with Bitcrack.
I redid my application that I posted here a while ago. Now i can use the connection from any client, not even trusted, because proof of work is used.

But here is another problem when the key will found and someone sends the transaction to their address. That transaction naturally will not be immediately confirmed, but the public lens will be visible. It costs nothing to intercept a public key. Solve it with a kangaroo and kill the transaction with a larger commission.

I was trying to compile your "pure basic" server/client script but I don't seem to find this file: Curve64.pb
I found the crackhelperClient.pb and crackhelperServer.pd files here: https://drive.google.com/file/d/1pFTvBLwTDF4GZCyDpJHwnWqfuNeOT6Ik/edit

racminer

member

Activity: 245

Merit: 17

Quote from: dextronomous on July 04, 2020, 04:23:45 AM

Quote from: racminer on July 03, 2020, 03:46:28 PM

Quote from: filo1992 on July 02, 2020, 02:47:51 AM

Hi, I have finished the 64 bit range, but I have not found any key with 8 rx 570 8gb.

assuming that your 8 rx570 can do 1Gkeys/s. (10^9 keys/s)
puzzle 64 requires cheking 2^63 keys which is around 10^19 keys. So you need to wait 10^10 seconds to claim spanning the whole range.
10^10 seconds is over 300 years.
As I have been saying many times before, there is a bug in clBitCrack :

see this https://github.com/brichard19/BitCrack/issues/256

this mentioned issue did you fix it with RB61's commit.
thanks a lot again. many bitcrack versions around all aimed his fork i pressume.

I ( = RB61 ) would prefer to let bitcrack ( = Brichard19) fix the bug I mentioned here: https://github.com/brichard19/BitCrack/issues/256

Topic: Pollard's kangaroo ECDLP solver - page 87. (Read 59389 times)