Latest update

doc/man3/EVP_rc5_32_12_16_cbc.pod

@@ -33,7 +33,26 @@ EVP_rc5_32_12_16_ofb()
 
 RC5 encryption algorithm in CBC, CFB, ECB and OFB modes respectively. This is a
 variable key length cipher with an additional "number of rounds" parameter. By
-default the key length is set to 128 bits and 12 rounds.
+default the key length is set to 128 bits and 12 rounds. Alternative key lengths
+can be set using L<EVP_CIPHER_CTX_set_key_length(3)>. The maximum key length is
+2040 bits.
+
+The following rc5 specific I<ctrl>s are supported (see
+L<EVP_CIPHER_CTX_ctrl(3)>).
+
+=over 4
+
+=item EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC5_ROUNDS, rounds, NULL)
+
+Sets the number of rounds to B<rounds>. This must be one of RC5_8_ROUNDS,
+RC5_12_ROUNDS or RC5_16_ROUNDS.
+
+=item EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GET_RC5_ROUNDS, 0, &rounds)
+
+Stores the number of rounds currently configured in B<*rounds> where B<*rounds>
+is an int.
+
+=back
 
 =back
 
@@ -43,10 +62,6 @@ These functions return an B<EVP_CIPHER> structure that contains the
 implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for
 details of the B<EVP_CIPHER> structure.
 
-=head1 BUGS
-
-Currently the number of rounds in RC5 can only be set to 8, 12 or 16.
-This is a limitation of the current RC5 code rather than the EVP interface.
 
 =head1 SEE ALSO