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Palemoon patch: treat 'SyntaxError' as 'NotSupportedError' on EdDSA WebCrypto operations

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Fallback to JS code instead of throwing.
This commit is contained in:
larabr 2024-11-27 12:07:55 +01:00
parent 8e497f419b
commit 55de9c0dc4
1 changed files with 7 additions and 3 deletions
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10
src/crypto/public_key/elliptic/eddsa.js
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@ -50,7 +50,11 @@ export async function generate(algo) {
seed: b64ToUint8Array(privateKey.d, true) seed: b64ToUint8Array(privateKey.d, true)
}; };
} catch (err) { } catch (err) {
if (err.name !== 'NotSupportedError' && err.name !== 'OperationError') { // Temporary (hopefully) fix for WebKit on Linux if (
err.name !== 'NotSupportedError' &&
err.name !== 'OperationError' && // Temporary (hopefully) fix for WebKit on Linux
err.name !== 'SyntaxError' // Temporary fix for Palemoon throwing 'SyntaxError'
) {
throw err; throw err;
} }
const seed = getRandomBytes(getPayloadSize(algo)); const seed = getRandomBytes(getPayloadSize(algo));
@ -102,7 +106,7 @@ export async function sign(algo, hashAlgo, message, publicKey, privateKey, hashe
return { RS: signature }; return { RS: signature };
} catch (err) { } catch (err) {
if (err.name !== 'NotSupportedError') { if (err.name !== 'NotSupportedError' && err.name !== 'SyntaxError') { // Temporary fix for Palemoon throwing 'SyntaxError'
throw err; throw err;
} }
const secretKey = util.concatUint8Array([privateKey, publicKey]); const secretKey = util.concatUint8Array([privateKey, publicKey]);
@ -148,7 +152,7 @@ export async function verify(algo, hashAlgo, { RS }, m, publicKey, hashed) {
const verified = await webCrypto.verify('Ed25519', key, RS, hashed); const verified = await webCrypto.verify('Ed25519', key, RS, hashed);
return verified; return verified;
} catch (err) { } catch (err) {
if (err.name !== 'NotSupportedError') { if (err.name !== 'NotSupportedError' && err.name !== 'SyntaxError') { // Temporary fix for Palemoon throwing 'SyntaxError'
throw err; throw err;
} }
return nobleEd25519Verify(RS, hashed, publicKey); return nobleEd25519Verify(RS, hashed, publicKey);