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fix: sha256 hash calculation for oid

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This commit is contained in:
Anton Strogonoff 2021-12-02 15:22:33 +01:00
parent 0945e2659b
commit 7c79ad6857
2 changed files with 5 additions and 14 deletions
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8
src/pointers.ts
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@ -1,5 +1,7 @@
// This is Node-only code due to use of crypto.
import crypto from 'crypto';
import path from 'path'; import path from 'path';
import { SPEC_URL, toHex } from './util'; import { SPEC_URL } from './util';
export interface PointerInfo { export interface PointerInfo {
@ -74,6 +76,6 @@ export function formatPointerInfo(info: PointerInfo): Buffer {
export async function buildPointerInfo(content: Buffer): Promise<PointerInfo> { export async function buildPointerInfo(content: Buffer): Promise<PointerInfo> {
const size = Buffer.byteLength(content); const size = Buffer.byteLength(content);
const hash = await crypto.subtle.digest('SHA-1', content); const hash = crypto.createHash('sha256').update(content).digest('hex');
return { oid: toHex(hash), size }; return { oid: hash, size };
} }

11
src/util.ts
View file

@ -77,14 +77,3 @@ export async function bodyToBuffer(body: Uint8Array[]): Promise<Buffer> {
} }
return Buffer.from(result.buffer); return Buffer.from(result.buffer);
} }
// Borrowed from Isomorphic Git core, it is not importable.
export function toHex(buffer: ArrayBuffer): string {
let hex = ''
for (const byte of new Uint8Array(buffer)) {
if (byte < 16) hex += '0'
hex += byte.toString(16)
}
return hex
}