diff --git a/package-lock.json b/package-lock.json
index 985391a9..87615219 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2249,6 +2249,11 @@
       "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==",
       "dev": true
     },
+    "blakejs": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.1.0.tgz",
+      "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U="
+    },
     "block-stream": {
       "version": "0.0.9",
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
diff --git a/package.json b/package.json
index 2bd5b269..320908b8 100644
--- a/package.json
+++ b/package.json
@@ -85,6 +85,7 @@
     "babel-plugin-transform-builtin-extend": "1.1.2",
     "bcryptjs": "^2.4.3",
     "bignumber.js": "^8.1.1",
+    "blakejs": "^1.1.0",
     "bootstrap": "4.2.1",
     "bootstrap-colorpicker": "^2.5.3",
     "bootstrap-material-design": "^4.1.1",
diff --git a/src/core/operations/BLAKE2b.mjs b/src/core/operations/BLAKE2b.mjs
new file mode 100644
index 00000000..e5bda30e
--- /dev/null
+++ b/src/core/operations/BLAKE2b.mjs
@@ -0,0 +1,48 @@
+/**
+ * @author h [h]
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import blakejs from "blakejs";
+
+/**
+ * BLAKE2b operation
+ */
+class BLAKE2b extends Operation {
+
+    /**
+     * BLAKE2b constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "BLAKE2b";
+        this.module = "Hashing";
+        this.description = "Performs BLAKE2b hashing on the input. Returns the output HEX encoded.";
+        this.infoURL = "https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE2";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Size",
+                "type": "option",
+                "value": ["512", "384", "256", "160", "128"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string} The input having been hashed with BLAKE2b, HEX encoded.
+     */
+    run(input, args) {
+        const [outSize] = args;
+        return blakejs.blake2bHex(input, null, outSize / 8);
+    }
+
+}
+
+export default BLAKE2b;
diff --git a/src/core/operations/BLAKE2s.mjs b/src/core/operations/BLAKE2s.mjs
new file mode 100644
index 00000000..b5b8ed55
--- /dev/null
+++ b/src/core/operations/BLAKE2s.mjs
@@ -0,0 +1,48 @@
+/**
+ * @author h [h]
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import blakejs from "blakejs";
+
+/**
+ * BLAKE2s Operation
+ */
+class BLAKE2s extends Operation {
+
+    /**
+     * BLAKE2s constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "BLAKE2s";
+        this.module = "Hashing";
+        this.description = "Performs BLAKE2s hashing on the input. Returns the output HEX encoded.";
+        this.infoURL = "https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE2";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Size",
+                "type": "option",
+                "value": ["256", "160", "128"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string} The input having been hashed with BLAKE2s, HEX encoded.
+     */
+    run(input, args) {
+        const [outSize] = args;
+        return blakejs.blake2sHex(input, null, outSize / 8);
+    }
+
+}
+
+export default BLAKE2s;
diff --git a/tests/operations/index.mjs b/tests/operations/index.mjs
index c54f15e8..07716fe2 100644
--- a/tests/operations/index.mjs
+++ b/tests/operations/index.mjs
@@ -86,6 +86,8 @@ import "./tests/Enigma";
 import "./tests/Bombe";
 import "./tests/MultipleBombe";
 import "./tests/Typex";
+import "./tests/BLAKE2b";
+import "./tests/BLAKE2s";
 
 // Cannot test operations that use the File type yet
 //import "./tests/SplitColourChannels";
diff --git a/tests/operations/tests/BLAKE2b.mjs b/tests/operations/tests/BLAKE2b.mjs
new file mode 100644
index 00000000..9a4c211e
--- /dev/null
+++ b/tests/operations/tests/BLAKE2b.mjs
@@ -0,0 +1,47 @@
+/**
+ * BitwiseOp tests
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+import TestRegister from "../TestRegister";
+
+TestRegister.addTests([
+    {
+        name: "BLAKE2b: 512 - Hello World",
+        input: "Hello World",
+        expectedOutput: "4386a08a265111c9896f56456e2cb61a64239115c4784cf438e36cc851221972da3fb0115f73cd02486254001f878ab1fd126aac69844ef1c1ca152379d0a9bd",
+        recipeConfig: [
+            { "op": "BLAKE2b",
+                "args": ["512"] }
+        ]
+    },
+    {
+        name: "BLAKE2b: 384 - Hello World",
+        input: "Hello World",
+        expectedOutput: "4d388e82ca8f866e606b6f6f0be910abd62ad6e98c0adfc27cf35acf948986d5c5b9c18b6f47261e1e679eb98edf8e2d",
+        recipeConfig: [
+            { "op": "BLAKE2b",
+                "args": ["384"] }
+        ]
+    },
+    {
+        name: "BLAKE2b: 256 - Hello World",
+        input: "Hello World",
+        expectedOutput: "1dc01772ee0171f5f614c673e3c7fa1107a8cf727bdf5a6dadb379e93c0d1d00",
+        recipeConfig: [
+            { "op": "BLAKE2b",
+                "args": ["256"] }
+        ]
+    },
+    {
+        name: "BLAKE2b: 160 - Hello World",
+        input: "Hello World",
+        expectedOutput: "6a8489e6fd6e51fae12ab271ec7fc8134dd5d737",
+        recipeConfig: [
+            { "op": "BLAKE2b",
+                "args": ["160"] }
+        ]
+    }
+]);
diff --git a/tests/operations/tests/BLAKE2s.mjs b/tests/operations/tests/BLAKE2s.mjs
new file mode 100755
index 00000000..e08996ad
--- /dev/null
+++ b/tests/operations/tests/BLAKE2s.mjs
@@ -0,0 +1,38 @@
+/**
+ * BitwiseOp tests
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+import TestRegister from "../TestRegister";
+
+TestRegister.addTests([
+    {
+        name: "BLAKE2s: 256 - Hello World",
+        input: "Hello World",
+        expectedOutput: "7706af019148849e516f95ba630307a2018bb7bf03803eca5ed7ed2c3c013513",
+        recipeConfig: [
+            { "op": "BLAKE2s",
+                "args": ["256"] }
+        ]
+    },
+    {
+        name: "BLAKE2s: 160 - Hello World",
+        input: "Hello World",
+        expectedOutput: "0e4fcfc2ee0097ac1d72d70b595a39e09a3c7c7e",
+        recipeConfig: [
+            { "op": "BLAKE2s",
+                "args": ["160"] }
+        ]
+    },
+    {
+        name: "BLAKE2s: 128 - Hello World",
+        input: "Hello World",
+        expectedOutput: "9964ee6f36126626bf864363edfa96f6",
+        recipeConfig: [
+            { "op": "BLAKE2s",
+                "args": ["128"] }
+        ]
+    }
+]);