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make CSPRNG work on ES6

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This commit is contained in:
Florian Dold 2021-06-14 18:19:18 +02:00
parent 1cde390c23
commit b4f97f4592
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3 changed files with 13 additions and 5 deletions
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2
packages/taler-wallet-core/package.json
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@ -68,7 +68,7 @@
}, },
"ava": { "ava": {
"files": [ "files": [
"lib/**/*test*" "lib/**/*test.*"
] ]
} }
} }

12
packages/taler-wallet-core/src/crypto/primitives/nacl-fast.ts
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@ -5,6 +5,12 @@
// Implementation derived from TweetNaCl version 20140427. // Implementation derived from TweetNaCl version 20140427.
// See for details: http://tweetnacl.cr.yp.to/ // See for details: http://tweetnacl.cr.yp.to/
import { createRequire } from "module";
// We need this require function to synchronously
// import the "crypto" module in the CSPRNG initialization.
const require = createRequire(import.meta.url);
const gf = function (init: number[] = []): Float64Array { const gf = function (init: number[] = []): Float64Array {
const r = new Float64Array(16); const r = new Float64Array(16);
if (init) for (let i = 0; i < init.length; i++) r[i] = init[i]; if (init) for (let i = 0; i < init.length; i++) r[i] = init[i];
@ -3021,7 +3027,7 @@ export function secretbox_open(
return m.subarray(crypto_secretbox_ZEROBYTES); return m.subarray(crypto_secretbox_ZEROBYTES);
} }
(function () { function initPRNG() {
// Initialize PRNG if environment provides CSPRNG. // Initialize PRNG if environment provides CSPRNG.
// If not, methods calling randombytes will throw. // If not, methods calling randombytes will throw.
// @ts-ignore-error // @ts-ignore-error
@ -3050,4 +3056,6 @@ export function secretbox_open(
}); });
} }
} }
})(); }
initPRNG();

4
packages/taler-wallet-core/tsconfig.json
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@ -4,7 +4,7 @@
"composite": true, "composite": true,
"declaration": true, "declaration": true,
"declarationMap": false, "declarationMap": false,
"target": "ES6", "target": "ES2017",
"module": "ESNext", "module": "ESNext",
"moduleResolution": "node", "moduleResolution": "node",
"sourceMap": true, "sourceMap": true,
@ -21,7 +21,7 @@
"esModuleInterop": true, "esModuleInterop": true,
"importHelpers": true, "importHelpers": true,
"rootDir": "./src", "rootDir": "./src",
"typeRoots": ["./node_modules/@types"] "typeRoots": ["./node_modules/@types"],
}, },
"references": [ "references": [
{ {