Remove getKeyFromPassphrase() in favour of using fish128()

src/index.test.js

@@ -111,8 +111,8 @@ describe("generic", () => {
             .toMatchObject({ filename: 'index.test.js', extension: '.js', directoryPath: '.' });
     });
     test("string to hex hash", () => {
-        expect(shark.cryptography.getKeyFromPassphrase("hello world").toString("hex"))
-            .toBe("f3399f2597c239c53bb3ac36a611ad558ae61aea3a20736455179d4390050482");
+        expect(shark.cryptography.hash.fish128("hello world", "utf8").toString("hex"))
+            .toBe("7a3405bfd4fc5750e747480dcd60510a35a92bbb489b041eb5c70a891f2fc634");
     });
 });
 describe("fish hash", () => {

src/🐟/cryptography.js

@@ -216,15 +216,6 @@ class Cryptography {
         };
     }
 
-    /**
-     * Generates a pbkdf2 (sha512) hash based on the given string
-     * @param {string} passphrase 
-     * @returns {string}
-     */
-    static getKeyFromPassphrase(passphrase) {
-        return crypto.pbkdf2Sync(passphrase, 'salt', 100000, 32, 'sha512');
-    }
-
     /**
      * Given features[] and "file path or string" returns computed ID string
      * @param {string[]} features Array of strings, taken from args, containing info about what info we use to create the ID string for encryption
@@ -537,7 +528,7 @@ class Cryptography {
             const jsonString = JSON.stringify(obj); // Stringify the object
 
             // Parses the given passphrase into a pbkdf2 (sha512) hash
-            const parsedKey = Cryptography.getKeyFromPassphrase(passphrase);
+            const parsedKey = Cryptography.hash.fish128(passphrase, "utf8");
 
             // Create the cipher and encrypt the data
             const iv = Buffer.from(Cryptography.hash.fish64(parsedKey, "utf8", true), 'utf8');
@@ -560,7 +551,7 @@ class Cryptography {
          */
         static decryptObject(passphrase, data) {
             // Parse provided passphrase
-            const parsedKey = Cryptography.getKeyFromPassphrase(passphrase);
+            const parsedKey = Cryptography.hash.fish128(passphrase, "utf8");
 
             // Define encryptedString as the input parameter id, and unobfuscate it
             let encryptedString = data;