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node_modules/@noble/ciphers/webcrypto/utils.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getWebcryptoSubtle = exports.randomBytes = void 0;
+// We use WebCrypto aka globalThis.crypto, which exists in browsers and node.js 16+.
+// node.js versions earlier than v19 don't declare it in global scope.
+// For node.js, package.js on#exports field mapping rewrites import
+// from `crypto` to `cryptoNode`, which imports native module.
+// Makes the utils un-importable in browsers without a bundler.
+// Once node.js 18 is deprecated, we can just drop the import.
+const crypto_1 = require("@noble/ciphers/webcrypto/crypto");
+/**
+ * Secure PRNG. Uses `crypto.getRandomValues`, which defers to OS.
+ */
+function randomBytes(bytesLength = 32) {
+    if (crypto_1.crypto && typeof crypto_1.crypto.getRandomValues === 'function') {
+        return crypto_1.crypto.getRandomValues(new Uint8Array(bytesLength));
+    }
+    throw new Error('crypto.getRandomValues must be defined');
+}
+exports.randomBytes = randomBytes;
+function getWebcryptoSubtle() {
+    if (crypto_1.crypto && typeof crypto_1.crypto.subtle === 'object' && crypto_1.crypto.subtle != null) {
+        return crypto_1.crypto.subtle;
+    }
+    throw new Error('crypto.subtle must be defined');
+}
+exports.getWebcryptoSubtle = getWebcryptoSubtle;
+//# sourceMappingURL=utils.js.map