diff -up dovecot-2.3.14/src/lib-dcrypt/dcrypt-openssl.c.opensslv3 dovecot-2.3.14/src/lib-dcrypt/dcrypt-openssl.c
--- dovecot-2.3.14/src/lib-dcrypt/dcrypt-openssl.c.opensslv3	2021-06-03 18:56:52.573174433 +0200
+++ dovecot-2.3.14/src/lib-dcrypt/dcrypt-openssl.c	2021-06-03 18:56:52.585174274 +0200
@@ -73,10 +73,30 @@
   2<tab>key algo oid<tab>1<tab>symmetric algo name<tab>salt<tab>hash algo<tab>rounds<tab>E(RSA = i2d_PrivateKey, EC=Private Point)<tab>key id
 **/
 
+#if OPENSSL_VERSION_MAJOR == 3
+static EC_KEY *EVP_PKEY_get0_EC_KEYv3(EVP_PKEY *key)
+{
+  EC_KEY *eck = EVP_PKEY_get1_EC_KEY(key);
+  EVP_PKEY_set1_EC_KEY(key, eck);
+  EC_KEY_free(eck);
+  return eck;
+}
+
+static EC_KEY *EVP_PKEY_get1_EC_KEYv3(EVP_PKEY *key)
+{
+  EC_KEY *eck = EVP_PKEY_get1_EC_KEY(key);
+  EVP_PKEY_set1_EC_KEY(key, eck);
+  return eck;
+}
+
+#define EVP_PKEY_get0_EC_KEY EVP_PKEY_get0_EC_KEYv3 
+#define EVP_PKEY_get1_EC_KEY EVP_PKEY_get1_EC_KEYv3
+#else
 #ifndef HAVE_EVP_PKEY_get0
 #define EVP_PKEY_get0_EC_KEY(x) x->pkey.ec
 #define EVP_PKEY_get0_RSA(x) x->pkey.rsa
 #endif
+#endif
 
 #ifndef HAVE_OBJ_LENGTH
 #define OBJ_length(o) ((o)->length)
71a06686c6caee30aac95'>refs</a><a class='active' href='/guix/log/gnu/services/sysctl.scm'>log</a><a href='/guix/tree/gnu/services/sysctl.scm?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>tree</a><a href='/guix/commit/gnu/services/sysctl.scm?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>commit</a><a href='/guix/diff/gnu/services/sysctl.scm?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/sysctl.scm'>
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<div class='path'>path: <a href='/guix/log/?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>root</a>/<a href='/guix/log/gnu?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>gnu</a>/<a href='/guix/log/gnu/services?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>services</a>/<a href='/guix/log/gnu/services/sysctl.scm?id=25a33a64b9a3b020b5671a06686c6caee30aac95'>sysctl.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/sysctl.scm?id=25a33a64b9a3b020b5671a06686c6caee30aac95&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-04-29 18:07:16 +0200'>2022-04-29</span></td><td><a href='/guix/commit/gnu/services/sysctl.scm?id=9d7248cd87fbda8c717341a8092780782bef0820'>services: Add missing 'description' fields.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/databases.scm (postgresql-service-type)[description]: New field.
(memcached-service-type)[description]: New field.
(mysql-service-type)[description]: New field.
(redis-service-type)[description]: New field.
* gnu/services/desktop.scm (geoclue-service-type)[description]: New
field.
(udisks-service-type)[description]: New field.
(elogind-service-type)[description]: New field.
(account-service-type)[description]: New field.
* gnu/services/kerberos.scm (krb5-service-type)[description]: New field.
(pam-krb5-service-type)[description]: New field.
* gnu/services/lirc.scm (lirc-service-type)[description]: New field.
* gnu/services/mail.scm (dovecot-service-type)[description]: New field.
(opensmtpd-service-type)[description]: New field.
(mail-aliases-service-type)[description]: New field.
(exim-service-type)[description]: New field.
* gnu/services/monitoring.scm (zabbix-server-service-type)[description]:
New field.
(zabbix-agent-service-type)[description]: New field.
* gnu/services/nfs.scm (rpcbind-service-type)[description]: New field.
(pipefs-service-type)[description]: New field.
(gss-service-type)[description]: New field.
(idmap-service-type)[description]: New field.
* gnu/services/spice.scm (spice-vdagent-service-type)[description]: New field.
* gnu/services/sysctl.scm (sysctl-service-type)[description]: New field.
* gnu/services/virtualization.scm (libvirt-service-type)[description]:
New field.
(virtlog-service-type)[description]: New field.
* gnu/services/vpn.scm (openvpn-server-service-type)[description]: New field.
(openvpn-client-service-type)[description]: New field.
(wireguard-service-type)[description]: New field.
* gnu/services/web.scm (httpd-service-type)[description]: New field.
(fcgiwrap-service-type)[description]: New field.
(agate-service-type)[description]: New field.
[name]: Fix.
</span></span></td><td>Ludovic Courtès</td></tr>