webcrypto: detect subtle, copy from secp256k1

paulmillr · Sep 3, 2024 · 57c1d9e · 57c1d9e
1 parent b0b4a95
commit 57c1d9e
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -305,7 +305,7 @@ const _verify = (sig, msg, pub, opts = dvo) => {
 const verifyAsync = async (s, m, p, opts = dvo) => hashFinish(true, _verify(s, m, p, opts));
 const verify = (s, m, p, opts = dvo) => hashFinish(false, _verify(s, m, p, opts));
 const cr = () => // We support: 1) browsers 2) node.js 19+
- typeof globalThis === 'object' && 'crypto' in globalThis ? globalThis.crypto : undefined;
+ typeof globalThis === 'object' && 'crypto' in globalThis && 'subtle' in globalThis.crypto ? globalThis.crypto : undefined;
 const etc = {
     bytesToHex: b2h, hexToBytes: h2b, concatBytes: concatB,
     mod, invert,

diff --git a/index.ts b/index.ts
@@ -272,7 +272,7 @@ const verify = (s: Hex, m: Hex, p: Hex, opts = dvo) =>
   hashFinish(false, _verify(s, m, p, opts));
 declare const globalThis: Record<string, any> | undefined; // Typescript symbol present in browsers
 const cr = () => // We support: 1) browsers 2) node.js 19+
-  typeof globalThis === 'object' && 'crypto' in globalThis ? globalThis.crypto : undefined;
+  typeof globalThis === 'object' && 'crypto' in globalThis && 'subtle' in globalThis.crypto ? globalThis.crypto : undefined;
 const etc = {
   bytesToHex: b2h, hexToBytes: h2b, concatBytes: concatB,
   mod, invert,