mail crypto in Ubuntu 22.04.5 - Provider routines::invalid salt length

[Max Kostikov via dovecot]

Hi,

I am facing mail crypt extension error. When I try to create keys I get 
this error.

doveadm -o 
plugin/mail_crypt_private_password=e32f1f464d7576716d5df899e7d5cb6b64cdb55584c71882e9f7e7c79f2e69e6 
mailbox cryptokey generate -u "f...@example.com"
doveadm(f...@example.com): Error: 
mail_crypt_user_generate_keypair(f...@example.com) failed: 
error:1C800070:Provider routines::invalid salt length
doveadm(f...@example.com): Warning: mailbox cryptokey generate: Nothing 
was matched. Use -U or specify mask?
   Folder Public ID
x         ERROR: error:1C800070:Provider routines::invalid salt length
Segmentation fault (core dumped)

Any insights why?

OS: Ubuntu 22.04.5 LTS (FIPS)

Dovecot packages installed:
dovecot-core/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]
dovecot-imapd/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]
dovecot-lmtpd/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]
dovecot-managesieved/jammy-updates,jammy-security,now 
1:2.3.16+dfsg1-3ubuntu2.4 amd64 [installed]
dovecot-mysql/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]
dovecot-pop3d/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]
dovecot-sieve/jammy-updates,jammy-security,now 1:2.3.16+dfsg1-3ubuntu2.4 
amd64 [installed]

Mail crypt configuration:
...
mail_attribute_dict = file:/var/vmail/%d/%n/dovecot-attributes
mail_plugins = mail_crypt quota
plugin {
    mail_crypt_curve = secp521r1
    mail_crypt_save_version = 2
    mail_crypt_require_encrypted_user_key = yes
}
...

--
Sincerely,
Max Kostikov
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