# Password Security Hardening and Change Password using UI

## 1. Password Security Hardening

Changed encryption algorithm to pbkdf2 with the following parameters:

`Digest: sha512`

`Iterations: 600 000`

## 2. User passwords upgrade path

Following Guardian instance upgrade, at the first login existing users are prompted to change the password which would be encrypted using the new method.

<figure><img src="https://1556785885-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNYWPEEAknX9Vki1yV5HY%2Fuploads%2Fgit-blob-e532190fcc2ae4954e1a7b8a0d2a22155e240bde%2Fimage%20(687).png?alt=media" alt=""><figcaption></figcaption></figure>

## 3. Change user password

Users can change passwords using the new option in their profile page.

<figure><img src="https://1556785885-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNYWPEEAknX9Vki1yV5HY%2Fuploads%2Fgit-blob-e7b7b493d43622ab1cd68f0c0f95829339d4bdd1%2Fimage%20(688).png?alt=media" alt=""><figcaption></figcaption></figure>

<figure><img src="https://1556785885-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNYWPEEAknX9Vki1yV5HY%2Fuploads%2Fgit-blob-a1a25df6b99fb0430b17d17b64ab8d7943b7b192%2Fimage%20(689).png?alt=media" alt=""><figcaption></figcaption></figure>