Encryption library: Decryption (symmetric) of content failed:

Nextcloud version (eg, 18.0.2): 20.0.0.9
Operating system and version (eg, Ubuntu 20.04): debian latest
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.25 (Debian)
PHP version (eg, 7.1): 7.4

switched off home directory encryption then switched it back on

OC\Encryption\Exceptions\DecryptionFailedException: Encryption library: Decryption (symmetric) of content failed: error:0607A082:digital envelope routines:EVP_CIPHER_CTX_set_key_length:invalid key length

all over the logs

/apps/encryption/lib/Crypto/Crypt.php - line 483:

OCA\Encryption\Crypto\Crypt->decrypt("*** sensiti … *")

/apps/encryption/lib/Crypto/Encryption.php - line 376:

OCA\Encryption\Crypto\Crypt->symmetricDecryptFileContent()

/lib/private/Files/Stream/Encryption.php - line 501:

OCA\Encryption\Crypto\Encryption->decrypt("*** sensiti … *")

/lib/private/Files/Stream/Encryption.php - line 299:

OC\Files\Stream\Encryption->readCache()

no-one? have got no further with this :neutral_face:

Having the same issue. : /