From 8a7774b223691cd81117d2270978720800dee67b Mon Sep 17 00:00:00 2001 From: Janani Date: Fri, 29 Sep 2023 13:05:42 +0530 Subject: [PATCH 1/3] Public Key Cryptography --- client/package-lock.json | 625 +++++++++++++++++++++---------------- client/package.json | 1 + client/src/App.jsx | 4 + client/src/Wallet.jsx | 16 +- server/index.js | 6 +- server/package-lock.json | 115 +++++++ server/package.json | 1 + server/scripts/generate.js | 7 + 8 files changed, 506 insertions(+), 269 deletions(-) create mode 100644 server/scripts/generate.js diff --git a/client/package-lock.json b/client/package-lock.json index 3cf61093..5c35404b 100644 --- a/client/package-lock.json +++ b/client/package-lock.json @@ -9,6 +9,7 @@ "version": "0.0.0", "dependencies": { "axios": "^0.27.2", + "ethereum-cryptography": "^2.1.2", "react": "^18.2.0", "react-dom": "^18.2.0" }, @@ -436,9 +437,9 @@ } }, "node_modules/@esbuild/android-arm": { - "version": "0.15.8", - "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.15.8.tgz", - 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"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.16.tgz", - "integrity": "sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==", + "version": "8.4.31", + "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz", + "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==", "dev": true, "requires": { - "nanoid": "^3.3.4", + "nanoid": "^3.3.6", "picocolors": "^1.0.0", "source-map-js": "^1.0.2" } @@ -2759,9 +2860,9 @@ } }, "rollup": { - "version": "2.78.1", - "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.78.1.tgz", - "integrity": "sha512-VeeCgtGi4P+o9hIg+xz4qQpRl6R401LWEXBmxYKOV4zlF82lyhgh2hTZnheFUbANE8l2A41F458iwj2vEYaXJg==", + "version": "2.79.1", + "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.79.1.tgz", + "integrity": "sha512-uKxbd0IhMZOhjAiD5oAFp7BqvkA4Dv47qpOCtaNvng4HBwdbWtdOh8f5nZNuk2rp51PMGk3bzfWu5oayNEuYnw==", "dev": true, "requires": { "fsevents": "~2.3.2" @@ -2793,9 +2894,9 @@ } }, "semver": { - 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"rollup": "~2.78.0" + "rollup": "^2.79.1" } } } diff --git a/client/package.json b/client/package.json index f662261b..b8f9c21a 100644 --- a/client/package.json +++ b/client/package.json @@ -10,6 +10,7 @@ }, "dependencies": { "axios": "^0.27.2", + "ethereum-cryptography": "^2.1.2", "react": "^18.2.0", "react-dom": "^18.2.0" }, diff --git a/client/src/App.jsx b/client/src/App.jsx index 7254c1fa..d01dd5af 100644 --- a/client/src/App.jsx +++ b/client/src/App.jsx @@ -6,11 +6,15 @@ import { useState } from "react"; function App() { const [balance, setBalance] = useState(0); const [address, setAddress] = useState(""); + const [privateKey, setPrivateKey] = useState(""); + return (
Your Wallet +
+ Address: {address} +
+
Balance: {balance}
); diff --git a/server/index.js b/server/index.js index 3dbd053b..a3edb7db 100644 --- a/server/index.js +++ b/server/index.js @@ -7,9 +7,9 @@ app.use(cors()); app.use(express.json()); const balances = { - "0x1": 100, - "0x2": 50, - "0x3": 75, + "030a516fbcb67b1fe1cbd06f89bf1972d46efe12583d6bb759d8ac62f017b37b8b": 100, + "034633f85e62385ae67846e10a2f676054e1708b600fc71f7207a38fff22be4fd0": 50, + "02e47ac1ff6eee8067bb631666a796a97a175db1beae3975f8929e5f4405fb5369": 75, }; app.get("/balance/:address", (req, res) => { diff --git a/server/package-lock.json b/server/package-lock.json index 612c6e2d..ada16f17 100644 --- a/server/package-lock.json +++ b/server/package-lock.json @@ -10,9 +10,65 @@ "license": "ISC", "dependencies": { "cors": "^2.8.5", + "ethereum-cryptography": "^2.1.2", "express": "^4.18.1" } }, + "node_modules/@noble/curves": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.1.0.tgz", + "integrity": "sha512-091oBExgENk/kGj3AZmtBDMpxQPDtxQABR2B9lb1JbVTs6ytdzZNwvhxQ4MWasRNEzlbEH8jCWFCwhF/Obj5AA==", + "dependencies": { + "@noble/hashes": "1.3.1" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, + "node_modules/@noble/hashes": { + "version": "1.3.1", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz", + "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==", + "engines": { + "node": ">= 16" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, + "node_modules/@scure/base": { + "version": "1.1.3", + "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.3.tgz", + "integrity": "sha512-/+SgoRjLq7Xlf0CWuLHq2LUZeL/w65kfzAPG5NH9pcmBhs+nunQTn4gvdwgMTIXnt9b2C/1SeL2XiysZEyIC9Q==", + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, + "node_modules/@scure/bip32": { + "version": "1.3.1", + "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.3.1.tgz", + "integrity": "sha512-osvveYtyzdEVbt3OfwwXFr4P2iVBL5u1Q3q4ONBfDY/UpOuXmOlbgwc1xECEboY8wIays8Yt6onaWMUdUbfl0A==", + "dependencies": { + "@noble/curves": "~1.1.0", + "@noble/hashes": "~1.3.1", + "@scure/base": "~1.1.0" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, + "node_modules/@scure/bip39": { + "version": "1.2.1", + "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.1.tgz", + "integrity": "sha512-Z3/Fsz1yr904dduJD0NpiyRHhRYHdcnyh73FZWiV+/qhWi83wNJ3NWolYqCEN+ZWsUz2TWwajJggcRE9r1zUYg==", + "dependencies": { + "@noble/hashes": "~1.3.0", + "@scure/base": "~1.1.0" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, "node_modules/accepts": { "version": "1.3.8", "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", @@ -168,6 +224,17 @@ "node": ">= 0.6" } }, + "node_modules/ethereum-cryptography": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.2.tgz", + "integrity": "sha512-Z5Ba0T0ImZ8fqXrJbpHcbpAvIswRte2wGNR/KePnu8GbbvgJ47lMxT/ZZPG6i9Jaht4azPDop4HaM00J0J59ug==", + "dependencies": { + "@noble/curves": "1.1.0", + "@noble/hashes": "1.3.1", + "@scure/bip32": "1.3.1", + "@scure/bip39": "1.2.1" + } + }, "node_modules/express": { "version": "4.18.1", "resolved": "https://registry.npmjs.org/express/-/express-4.18.1.tgz", @@ -611,6 +678,43 @@ } }, "dependencies": { + "@noble/curves": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.1.0.tgz", + "integrity": "sha512-091oBExgENk/kGj3AZmtBDMpxQPDtxQABR2B9lb1JbVTs6ytdzZNwvhxQ4MWasRNEzlbEH8jCWFCwhF/Obj5AA==", + "requires": { + "@noble/hashes": "1.3.1" + } + }, + "@noble/hashes": { + "version": "1.3.1", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz", + "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==" + }, + "@scure/base": { + "version": "1.1.3", + "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.3.tgz", + "integrity": "sha512-/+SgoRjLq7Xlf0CWuLHq2LUZeL/w65kfzAPG5NH9pcmBhs+nunQTn4gvdwgMTIXnt9b2C/1SeL2XiysZEyIC9Q==" + }, + "@scure/bip32": { + "version": "1.3.1", + "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.3.1.tgz", + "integrity": "sha512-osvveYtyzdEVbt3OfwwXFr4P2iVBL5u1Q3q4ONBfDY/UpOuXmOlbgwc1xECEboY8wIays8Yt6onaWMUdUbfl0A==", + "requires": { + "@noble/curves": "~1.1.0", + "@noble/hashes": "~1.3.1", + "@scure/base": "~1.1.0" + } + }, + "@scure/bip39": { + "version": "1.2.1", + "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.1.tgz", + "integrity": "sha512-Z3/Fsz1yr904dduJD0NpiyRHhRYHdcnyh73FZWiV+/qhWi83wNJ3NWolYqCEN+ZWsUz2TWwajJggcRE9r1zUYg==", + "requires": { + "@noble/hashes": "~1.3.0", + "@scure/base": "~1.1.0" + } + }, "accepts": { "version": "1.3.8", "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", @@ -728,6 +832,17 @@ "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz", "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==" }, + "ethereum-cryptography": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.2.tgz", + "integrity": "sha512-Z5Ba0T0ImZ8fqXrJbpHcbpAvIswRte2wGNR/KePnu8GbbvgJ47lMxT/ZZPG6i9Jaht4azPDop4HaM00J0J59ug==", + "requires": { + "@noble/curves": "1.1.0", + "@noble/hashes": "1.3.1", + "@scure/bip32": "1.3.1", + "@scure/bip39": "1.2.1" + } + }, "express": { "version": "4.18.1", "resolved": "https://registry.npmjs.org/express/-/express-4.18.1.tgz", diff --git a/server/package.json b/server/package.json index c03b40a9..01553b8e 100644 --- a/server/package.json +++ b/server/package.json @@ -11,6 +11,7 @@ "license": "ISC", "dependencies": { "cors": "^2.8.5", + "ethereum-cryptography": "^2.1.2", "express": "^4.18.1" } } diff --git a/server/scripts/generate.js b/server/scripts/generate.js new file mode 100644 index 00000000..39c3e3cd --- /dev/null +++ b/server/scripts/generate.js @@ -0,0 +1,7 @@ +const secp = require('ethereum-cryptography/secp256k1') +const {toHex} = require('ethereum-cryptography/utils') + +const privateKey = secp.secp256k1.utils.randomPrivateKey() +console.log("Private Key: ",toHex(privateKey)) +const publicKey = secp.secp256k1.getPublicKey(privateKey) +console.log("Public Key: ",toHex(publicKey)) \ No newline at end of file From d47e20d07d2ed9aba0961dae1c64357ae251bca0 Mon Sep 17 00:00:00 2001 From: Janani Date: Fri, 29 Sep 2023 13:08:58 +0530 Subject: [PATCH 2/3] Public Key Cryptogrphy --- readme.md | 1 + server/scripts/generate.js | 12 +++++++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/readme.md b/readme.md index 55d551d8..d4b5c9a5 100644 --- a/readme.md +++ b/readme.md @@ -29,3 +29,4 @@ The server folder contains a node.js server using [express](https://expressjs.co The application should connect to the default server port (3042) automatically! _Hint_ - Use [nodemon](https://www.npmjs.com/package/nodemon) instead of `node` to automatically restart the server on any changes. + diff --git a/server/scripts/generate.js b/server/scripts/generate.js index 39c3e3cd..40cd36a0 100644 --- a/server/scripts/generate.js +++ b/server/scripts/generate.js @@ -4,4 +4,14 @@ const {toHex} = require('ethereum-cryptography/utils') const privateKey = secp.secp256k1.utils.randomPrivateKey() console.log("Private Key: ",toHex(privateKey)) const publicKey = secp.secp256k1.getPublicKey(privateKey) -console.log("Public Key: ",toHex(publicKey)) \ No newline at end of file +console.log("Public Key: ",toHex(publicKey)) + + +/* Private Key: c8fb3df36317cc162e09a9f47b7efad25d669fc08ccda014b222ba600c884dff +Public Key: 030a516fbcb67b1fe1cbd06f89bf1972d46efe12583d6bb759d8ac62f017b37b8b +PS C:\Users\Admin\Documents\week1\week1\server> node scripts/generate.js +Private Key: 4d81bbe416bb3d134b9f453553fac9d1a1fd5373014abbea87d43f505c9e12d8 +Public Key: 034633f85e62385ae67846e10a2f676054e1708b600fc71f7207a38fff22be4fd0 +PS C:\Users\Admin\Documents\week1\week1\server> node scripts/generate.js +Private Key: 9794de0cfa67c300376bc1c006caab68caeb67ddf6750e08b3fc25b707731c7c +Public Key: 02e47ac1ff6eee8067bb631666a796a97a175db1beae3975f8929e5f4405fb5369 */ \ No newline at end of file From eaddb25a7edd316bb8b3bc021e805eaa5a2c278c Mon Sep 17 00:00:00 2001 From: Janani Manikandan <124059957+Janani-m17@users.noreply.github.com> Date: Fri, 29 Sep 2023 13:58:54 +0530 Subject: [PATCH 3/3] readme.md --- readme.md | 5 ----- 1 file changed, 5 deletions(-) diff --git a/readme.md b/readme.md index d4b5c9a5..c42a4226 100644 --- a/readme.md +++ b/readme.md @@ -4,11 +4,6 @@ This project is an example of using a client and server to facilitate transfers However, something that we would like to incoporate is Public Key Cryptography. By using Elliptic Curve Digital Signatures we can make it so the server only allows transfers that have been signed for by the person who owns the associated address. -### Video instructions -For an overview of this project as well as getting started instructions, check out the following video: - -https://www.loom.com/share/0d3c74890b8e44a5918c4cacb3f646c4 - ### Client The client folder contains a [react app](https://reactjs.org/) using [vite](https://vitejs.dev/). To get started, follow these steps: