10.5. Updating the TLS Certificates Used for Attribute Encryption

Attribute encryption is based on the TLS certificate. To prevent that attribute encryption fails after renewing or replacing the TLS certificate:

Export the database with decrypted attributes. See Section 10.4.1, “Exporting an Encrypted Database”.
Create a new Certificate Signing Request (CSR). See Section 9.3.1, “Creating a Certificate Signing Request”.
Install the new certificate. See Section 9.3.4, “Installing a Server Certificate”.
Stop the Directory Server instance:
```
dsctl instance_name stop
```
```
# dsctl instance_name stop
```
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Edit the /etc/dirsrv/slapd-instance_name/dse.ldif file and remove the following entries including their attributes:
- cn=AES,cn=encrypted attribute keys,cn=database_name,cn=ldbm database,cn=plugins,cn=config
- cn=3DES,cn=encrypted attribute keys,cn=database_name,cn=ldbm database,cn=plugins,cn=config
Important
Remove the entries for all databases. If any entry that contains the nsSymmetricKey attribute is left in the /etc/dirsrv/slapd-instance_name/dse.ldif file, Directory Server will fail to start.
Import the database. See Section 10.4.2, “Importing an LDIF File into an Encrypted Database”.
Start the instance:
```
dsctl instance_name start
```
```
# dsctl instance_name start
```
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