DKIM: document Ed25519 private key generation under OpenSSL (1.1.1+)

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 726f3af8a2268034f80c7e9c9a11ae83c1f24639..978d51fd7e59f78bcbd51d7652be086e27a74363 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -38948,8 +38948,9 @@ The "_CRYPTO_SIGN_ED25519" macro will be defined if support is present
 for EC keys.
 
 As of writing, producing EC key materials is not well supported
 for EC keys.
 
 As of writing, producing EC key materials is not well supported

-by the major libraries.  GnuTLS 3.6.0 can create a private key:
+by the major libraries.  OpenSSL 1.1.1 and GnuTLS 3.6.0 can create private keys:

 .code
 .code

+openssl genpkey -algorithm ed25519 -out dkim_ed25519.private

 certtool --generate-privkey --key-type=ed25519 --outfile=dkim_ed25519.private
 .endd
 
 certtool --generate-privkey --key-type=ed25519 --outfile=dkim_ed25519.private
 .endd