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-rw-r--r--doc/tex/ciphersuites.tex5
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/tex/ciphersuites.tex b/doc/tex/ciphersuites.tex
index 979cfb4479..4899f59b0c 100644
--- a/doc/tex/ciphersuites.tex
+++ b/doc/tex/ciphersuites.tex
@@ -26,6 +26,9 @@ in appendix \ref{ap:ciphersuites} on page \pageref{ap:ciphersuites}.
\gnutls{} will disable ciphersuites that are not compatible with the key, or
the enabled authentication methods.
For example keys marked as sign-only, will not be able to
-access the plain RSA ciphersuites, but only the DHE\_RSA ones.
+access the plain RSA ciphersuites, but only the DHE\_RSA ones. It is
+recommended not to use RSA keys for both signing and encryption. If possible
+use the same key for the DHE\_RSA and RSA\_EXPORT ciphersuites, which use signing,
+and a different key for the plain RSA ciphersuites, which uses encryption.
\addvspace{1.5cm}