upstream: Add ed25519 key and test SSHFP export of it. Only test

RSA SSHFP export if we have RSA functionality compiled in.

OpenBSD-Regress-ID: b4ff5181b8c9a5862e7f0ecdd96108622333a9af

regress/ed25519_openssh.prv

@@ -0,0 +1,7 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACDE8/0FM7Yw6xc53QpiZUQAh/LK2mEAwNDNYdSR6GIGIwAAAKC+Cfdzvgn3
+cwAAAAtzc2gtZWQyNTUxOQAAACDE8/0FM7Yw6xc53QpiZUQAh/LK2mEAwNDNYdSR6GIGIw
+AAAEBm+60DgH0WMW7Z5oyvu1dxo7MaXe5RRMWTMJCfLkHexMTz/QUztjDrFzndCmJlRACH
+8sraYQDA0M1h1JHoYgYjAAAAGWR0dWNrZXJAcXVvbGwuZHR1Y2tlci5uZXQBAgME
+-----END OPENSSH PRIVATE KEY-----

regress/ed25519_openssh.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMTz/QUztjDrFzndCmJlRACH8sraYQDA0M1h1JHoYgYj

regress/keygen-sshfp.sh

@@ -1,15 +1,29 @@
-#	$OpenBSD: keygen-sshfp.sh,v 1.1 2021/07/18 23:10:10 dtucker Exp $
+#	$OpenBSD: keygen-sshfp.sh,v 1.2 2021/07/19 02:29:28 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="keygen-sshfp"
 
 trace "keygen fingerprints"
-fp=`${SSHKEYGEN} -r test -f ${SRC}/rsa_openssh.pub | awk '$5=="1"{print $6}'`
+fp=`${SSHKEYGEN} -r test -f ${SRC}/ed25519_openssh.pub | \
-if [ "$fp" != "99c79cc09f5f81069cc017cdf9552cfc94b3b929" ]; then
+    awk '$5=="1"{print $6}'`
+if [ "$fp" != "8a8647a7567e202ce317e62606c799c53d4c121f" ]; then
 	fail "keygen fingerprint sha1"
 fi
-fp=`${SSHKEYGEN} -r test -f ${SRC}/rsa_openssh.pub | awk '$5=="2"{print $6}'`
+fp=`${SSHKEYGEN} -r test -f ${SRC}/ed25519_openssh.pub | \
+    awk '$5=="2"{print $6}'`
 if [ "$fp" != \
-    "e30d6b9eb7a4de495324e4d5870b8220577993ea6af417e8e4a4f1c5bf01a9b6" ]; then
+    "54a506fb849aafb9f229cf78a94436c281efcb4ae67c8a430e8c06afcb5ee18f" ]; then
 	fail "keygen fingerprint sha256"
 fi
+
+if ${SSH} -Q key-plain | grep ssh-rsa >/dev/null; then
+	fp=`${SSHKEYGEN} -r test -f ${SRC}/rsa_openssh.pub | awk '$5=="1"{print $6}'`
+	if [ "$fp" != "99c79cc09f5f81069cc017cdf9552cfc94b3b929" ]; then
+		fail "keygen fingerprint sha1"
+	fi
+	fp=`${SSHKEYGEN} -r test -f ${SRC}/rsa_openssh.pub | awk '$5=="2"{print $6}'`
+	if [ "$fp" != \
+	    "e30d6b9eb7a4de495324e4d5870b8220577993ea6af417e8e4a4f1c5bf01a9b6" ]; then
+		fail "keygen fingerprint sha256"
+	fi
+fi