"claim vault ownership" fails with error: Unknown letter: "="

[overheadhunter]

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Summary

crypto.ts: decryptWithAdminPassword incorrectly uses base64nopad for salt

System Setup

- Hub: 1.5.0-alpha2
- Keycloak: N/A
- Cryptomator (Desktop/Android/iOS): N/A

Steps to Reproduce

1. Created Vault with Hub 1.4.0-beta2
2. With different User: Claim Ownership of said vault with 1.5.0-alpha2

Expected Behavior

ownership claimed successfully

Actual Behavior

claim ownership dialog shows error

Unknown letter: "=". Allowed: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/

Reproducibility

Always

Relevant Log Output

Authentication of vault foo failed. Error: Unknown letter: "=". Allowed: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/
    at index.js:88:27
    at Array.map (<anonymous>)
    at decode (index.js:84:26)
    at index.js:54:37
    at Object.decode (index.js:54:35)
    at Xe.decryptWithAdminPassword (crypto.ts:115:27)
    at w (ClaimVaultOwnershipDialog.vue:106:57)
    at ClaimVaultOwnershipDialog.vue:12:60

Anything else?

No response