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feat: add uriChecksum handling and sha256Base64 function for enhanced security

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shuaiplus
2026-05-16 16:22:43 +08:00
parent b7878ffe01
commit e641da517d
3 changed files with 16 additions and 4 deletions
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webapp/src/lib/crypto.ts
+6
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@@ -22,6 +22,12 @@ export function toBufferSource(bytes: Uint8Array): ArrayBuffer {
return new Uint8Array(bytes).buffer;
}
export async function sha256Base64(value: string): Promise<string> {
const bytes = new TextEncoder().encode(value);
const hash = await crypto.subtle.digest('SHA-256', toBufferSource(bytes));
return bytesToBase64(new Uint8Array(hash));
}
const hmacSha256KeyCache = new WeakMap<Uint8Array, Promise<CryptoKey>>();
const aesCbcEncryptKeyCache = new WeakMap<Uint8Array, Promise<CryptoKey>>();
const aesCbcDecryptKeyCache = new WeakMap<Uint8Array, Promise<CryptoKey>>();