commit 7cf5ebc90fae38400eadcdd8f878e46ee7b51990
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Wed Jul 29 12:54:04 2020 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Wed Jul 29 13:01:05 2020 +0200
tree 243d32a40a9e678a61b0552301fddd66bd5134ef
parent e05e57619b7ba05e7474e1f9742dc0271b607ee9

Add comment that was lost while backporting

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index a65143c..3b4bfad 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1705,6 +1705,9 @@
 
 /*
  * Compute HMAC of variable-length data with constant flow.
+ *
+ * Only works with MD-5, SHA-1, SHA-256 and SHA-384.
+ * (Otherwise, computation of block_size needs to be adapted.)
  */
 int mbedtls_ssl_cf_hmac(
         mbedtls_md_context_t *ctx,