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Author Topic: Presentation of my ECC Calculator  (Read 147 times)
MixMAx123
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November 16, 2019, 07:52:32 PM
Last edit: November 16, 2019, 08:15:52 PM by MixMAx123
Merited by Welsh (6), bones261 (4), hugeblack (2), odolvlobo (1), ETFbitcoin (1), Heisenberg_Hunter (1)
 #1

Here I would like to introduce my little ECC calculator
https://github.com/MrMaxweII/Secp256k1-Calculator/blob/master/README.md



Secp256k1-Calculator

A small calculator of operations calculated on the elliptic curve Secp256k1.
All entered in hexa decimal numbers.
All calculations are done mod (p).
Same numbers are marked in color.
following arithmetic operations are implemented:

   - mod(n) addition, subtraction, multiplication and division of 256bit hexadecimal numbers.
   - addition and subtraction of points on the curve.
   - Multiplication with a point on the curve
   - Divide a point on the curve with a number
   - ECDSA Signature
   - ECDSA verification


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charlie137
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November 19, 2019, 04:28:07 PM
 #2

very smooth solution!! sry no merit https://www.blockchain.com/btc/tx/3eda977b908fcdd8962794be6b48f8f07fa988a56b275b39919d6efd6e3342c3

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\\--`-'-|`---\\ |      AXErunners
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MixMAx123
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November 19, 2019, 06:10:19 PM
 #3

Thank you very much Charlie137  Kiss

Have you (or anyone else) tested / compared everything?
In particular, the signature is difficult to compare with a reverence program, since always the "k" (random number) is different.
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February 15, 2020, 10:37:12 PM
 #4

Here I would like to introduce my little ECC calculator
https://github.com/MrMaxweII/Secp256k1-Calculator/blob/master/README.md



Secp256k1-Calculator

A small calculator of operations calculated on the elliptic curve Secp256k1.
All entered in hexa decimal numbers.
All calculations are done mod (p).
Same numbers are marked in color.
following arithmetic operations are implemented:

   - mod(n) addition, subtraction, multiplication and division of 256bit hexadecimal numbers.
   - addition and subtraction of points on the curve.
   - Multiplication with a point on the curve
   - Divide a point on the curve with a number
   - ECDSA Signature
   - ECDSA verification



I used and liked it ... very good tool
MixMAx123
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February 16, 2020, 09:32:57 AM
 #5

Thank you very much.
If you have any requests, improvements or comments. Just ask! I would be happy to extend it.
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