Updated doxygen documentation in header files and HTML pages
diff --git a/include/polarssl/cipher.h b/include/polarssl/cipher.h
index b7c03cb..e5bde35 100644
--- a/include/polarssl/cipher.h
+++ b/include/polarssl/cipher.h
@@ -479,6 +479,7 @@
/**
* \brief Set the initialization vector (IV) or nonce
*
+ * \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
@@ -579,6 +580,7 @@
* No effect for other ciphers.
* Must be called after cipher_finish().
*
+ * \param ctx Generic cipher context
* \param tag buffer to write the tag
* \param tag_len Length of the tag to write
*
@@ -593,6 +595,7 @@
* Calling time depends on the cipher:
* for GCM, must be called after cipher_finish().
*
+ * \param ctx Generic cipher context
* \param tag Buffer holding the tag
* \param tag_len Length of the tag to check
*