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fix entropy calculating

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This commit is contained in:
Alexey 2020-04-13 18:37:05 +03:00
parent 5bfea46d69
commit 4f55b80dc7
2 changed files with 12 additions and 6 deletions
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2
README.md
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@ -76,7 +76,7 @@ Example: `wasm-pack build --release --target web -- --no-default-features --feat
## Initialize REAL ceremony:
1. Choose what contribition to use for the ceremony. Also choose what hash of future ethereum block we will use, tweet about it and calculate the VDF.
1. Choose what contribition to use for the ceremony (it should already exist). Also choose what hash of future ethereum block we will use, tweet about it and calculate the VDF.
1. Make sure your machine has at least 150 GB RAM and 200 GB SSD.
1. Download the response file of the contribution. You can use `aria2c` accelerator for it.
1. `git clone https://github.com/tornadocash/phase2-bn254 && cd phase2-bn254`

16
pages/make-contribution.vue
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@ -180,12 +180,18 @@ export default {
await timeout(100) // allow UI to update before freezing in wasm
console.log('Source params', data)
const encoder = new TextEncoder(userInput)
const entropyFromUser = encoder.encode(userInput)
let msgBuffer = new TextEncoder('utf-8').encode(userInput)
let hashBuffer = await window.crypto.subtle.digest('SHA-256', msgBuffer)
const entropyFromUser = new Uint8Array(hashBuffer)
console.log('entropyFromUser', entropyFromUser.toString())
msgBuffer = window.crypto.getRandomValues(new Uint8Array(1024))
hashBuffer = await window.crypto.subtle.digest('SHA-256', msgBuffer)
const entropyFromBrowser = new Uint8Array(hashBuffer)
console.log('entropyFromBrowser', entropyFromBrowser.toString())
const entropy = new Uint8Array(userInput.length)
const entropyFromBrowser = window.crypto.getRandomValues(entropy)
// suffle the browser and user random
const entropy = new Uint8Array(entropyFromBrowser.length)
for (let i = 0; i < entropyFromBrowser.length; i++) {
entropy[i] = entropyFromBrowser[i] + entropyFromUser[i]
}
@ -217,7 +223,7 @@ export default {
} else if (resp.status === 422) {
if (retry < 3) {
console.log(`Looks like someone else uploaded contribution ahead of us, retrying`)
await this.makeContribution({ retry: retry++ })
await this.makeContribution({ userInput, retry: retry++ })
} else {
this.status.msg = `Failed to upload your contribution after ${retry} attempts`
this.status.type = 'is-danger'