Update based on comments
Signed-off-by: Xiaofei Bai <xiaofei.bai@arm.com>
diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index 0a68956..da967c3 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -95,16 +95,18 @@
*
* \param hash_alg The identifier for the hash algorithm to use.
* \param secret The \c Secret argument to \c HKDF-Expand-Label.
- * This must be a readable buffer of length \p slen Bytes.
+ * This must be a readable buffer of length
+ * \p secret_len Bytes.
* \param secret_len The length of \p secret in Bytes.
* \param label The \c Label argument to \c HKDF-Expand-Label.
- * This must be a readable buffer of length \p llen Bytes.
+ * This must be a readable buffer of length
+ * \p label_len Bytes.
* \param label_len The length of \p label in Bytes.
* \param ctx The \c Context argument to \c HKDF-Expand-Label.
- * This must be a readable buffer of length \p clen Bytes.
+ * This must be a readable buffer of length \p ctx_len Bytes.
* \param ctx_len The length of \p context in Bytes.
* \param buf The destination buffer to hold the expanded secret.
- * This must be a writable buffer of length \p blen Bytes.
+ * This must be a writable buffer of length \p buf_len Bytes.
* \param buf_len The desired size of the expanded secret in Bytes.
*
* \returns \c 0 on success.
@@ -133,9 +135,11 @@
* \param hash_alg The identifier for the hash algorithm to be used
* for the HKDF-based expansion of the secret.
* \param client_secret The client traffic secret.
- * This must be a readable buffer of size \p slen Bytes
+ * This must be a readable buffer of size
+ * \p secret_len Bytes
* \param server_secret The server traffic secret.
- * This must be a readable buffer of size \p slen Bytes
+ * This must be a readable buffer of size
+ * \p secret_len Bytes
* \param secret_len Length of the secrets \p client_secret and
* \p server_secret in Bytes.
* \param key_len The desired length of the key to be extracted in Bytes.
@@ -171,15 +175,17 @@
* \param hash_alg The identifier for the hash function used for the
* applications of HKDF.
* \param secret The \c Secret argument to the \c Derive-Secret function.
- * This must be a readable buffer of length \p slen Bytes.
+ * This must be a readable buffer of length
+ * \p secret_len Bytes.
* \param secret_len The length of \p secret in Bytes.
* \param label The \c Label argument to the \c Derive-Secret function.
- * This must be a readable buffer of length \p llen Bytes.
+ * This must be a readable buffer of length
+ * \p label_len Bytes.
* \param label_len The length of \p label in Bytes.
* \param ctx The hash of the \c Messages argument to the
* \c Derive-Secret function, or the \c Messages argument
- * itself, depending on \p context_already_hashed.
- * \param ctx_len The length of \p hash.
+ * itself, depending on \p ctx_hashed.
+ * \param ctx_len The length of \p ctx in Bytes.
* \param ctx_hashed This indicates whether the \p ctx contains the hash of
* the \c Messages argument in the application of the
* \c Derive-Secret function
@@ -189,7 +195,7 @@
* (value MBEDTLS_SSL_TLS1_3_CONTEXT_UNHASHED).
* \param dstbuf The target buffer to write the output of
* \c Derive-Secret to. This must be a writable buffer of
- * size \p buflen Bytes.
+ * size \p dtsbuf_len Bytes.
* \param dstbuf_len The length of \p dstbuf in Bytes.
*
* \returns \c 0 on success.