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-rw-r--r--crypto/openssl/doc/apps/enc.pod4
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/openssl/doc/apps/enc.pod b/crypto/openssl/doc/apps/enc.pod
index 3dee4ed..41791ad 100644
--- a/crypto/openssl/doc/apps/enc.pod
+++ b/crypto/openssl/doc/apps/enc.pod
@@ -215,6 +215,10 @@ unsupported options (for example B<openssl enc -help>) includes a
list of ciphers, supported by your versesion of OpenSSL, including
ones provided by configured engines.
+The B<enc> program does not support authenticated encryption modes
+like CCM and GCM. The utility does not store or retrieve the
+authentication tag.
+
base64 Base 64
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