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-rw-r--r--doc/doc-docbook/spec.xfpt11
1 files changed, 4 insertions, 7 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index b65b6fe5b..814afc1eb 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -38967,19 +38967,16 @@ for some transition period.
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
-by the major libraries. OpenSSL 1.1.1 and GnuTLS 3.6.0 can create private keys:
+OpenSSL 1.1.1 and GnuTLS 3.6.0 can create Ed25519 private keys:
.code
openssl genpkey -algorithm ed25519 -out dkim_ed25519.private
certtool --generate-privkey --key-type=ed25519 --outfile=dkim_ed25519.private
.endd
-To help in producing the required public key value for a DNS record
-the release package &_util/_& directory contains source for a utility
-buildable with GnuTLS 3.6.0;
-use it like this:
+To produce the required public key value for a DNS record:
.code
-ed25519_privkey_pem_to_pubkey_raw_b64 dkim_ed25519.private
+openssl pkey -outform DER -pubout -in dkim_ed25519.private | tail -c +13 | base64
+certtool --load_privkey=dkim_ed25519.private --pubkey_info --outder | tail -c +13 | base64
.endd
.wen