Hi,
Keys stored in the new format (-o) can have their comments modified,
along with RSA1 keys. I've attached a patch to mention this.
Cheers,
Yonas
--
Yonas Yanfa
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diff --git a/ssh-keygen.1 b/ssh-keygen.1
index d48959b..4acc536 100644
--- a/ssh-keygen.1
+++ b/ssh-keygen.1
@@ -207,7 +207,7 @@ There is no way to recover a lost passphrase.
If the passphrase is lost or forgotten, a new key must be generated
and the corresponding public key copied to other machines.
.Pp
-For RSA1 keys,
+For RSA1 keys, and keys stored in the new format (-o),
there is also a comment field in the key file that is only for
convenience to the user to help identify the key.
The comment can tell what the key is for, or whatever is useful.
@@ -264,7 +264,7 @@ flag will be ignored.
Provides a new comment.
.It Fl c
Requests changing the comment in the private and public key files.
-This operation is only supported for RSA1 keys.
+This operation is only supported for RSA1 keys, and keys stored in the new format (-o).
The program will prompt for the file containing the private keys, for
the passphrase if the key has one, and for the new comment.
.It Fl D Ar pkcs11