diff --git a/lib/cam.js b/lib/cam.js
index a0415730..68c87768 100755
--- a/lib/cam.js
+++ b/lib/cam.js
@@ -387,23 +387,37 @@ Cam.prototype.updateNC = function() {
 	return String(this._nc).padStart(8, '0');
 };
 
+/**
+ * Get the hash algorithm to use for digest authentication.
+ * If Node.js is running in FIPS mode, returns sha256, otherwise returns md5.
+ * @returns {md5 | sha256} hash algorithm
+ * @private
+ */
+Cam.prototype._getHashAlgorithm = function() {
+	if (crypto.getFips() === 1) {
+		return 'sha256';
+	} else {
+		return 'md5';
+	}
+};
+
 Cam.prototype.digestAuth = function(wwwAuthenticate, reqOptions) {
 	const challenge = this._parseChallenge(wwwAuthenticate);
-	const ha1 = crypto.createHash('md5');
+	const ha1 = crypto.createHash(this._getHashAlgorithm());
 	ha1.update([this.username, challenge.realm, this.password].join(':'));
-	const ha2 = crypto.createHash('md5');
+	const ha2 = crypto.createHash(this._getHashAlgorithm());
 	ha2.update([reqOptions.method, reqOptions.path].join(':'));
 
 	let cnonce = null;
 	let nc = null;
 	if (typeof challenge.qop === 'string') {
-		const cnonceHash = crypto.createHash('md5');
+		const cnonceHash = crypto.createHash(this._getHashAlgorithm());
 		cnonceHash.update(Math.random().toString(36));
 		cnonce = cnonceHash.digest('hex').substring(0, 8);
 		nc = this.updateNC();
 	}
 
-	const response = crypto.createHash('md5');
+	const response = crypto.createHash(this._getHashAlgorithm());
 	const responseParams = [
 		ha1.digest('hex'),
 		challenge.nonce
diff --git a/package.json b/package.json
index ddeeaca2..46f87491 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "onvif",
-  "version": "0.8.1",
+  "version": "0.9.0",
   "author": "Andrew D.Laptev <a.d.laptev@gmail.com>",
   "description": "Client to ONVIF NVT devices Profile S: cameras",
   "main": "lib/onvif.js",
@@ -8,6 +8,7 @@
     "jsdoc": "jsdoc ./lib/*.js --readme ./README.md --destination ./docs",
     "gh-pages": "jsdoc ./lib/*.js --readme ./README.md --destination ./",
     "lint": "eslint lib/*.js",
+    "lint:fix": "eslint --fix lib/*.js",
     "pretest": "npm run lint",
     "test": "nyc mocha",
     "mockserver": "node startServerMockup.js"