ECDH: document sufficient size for shared secret

Signed-off-by: Manuel Pégourié-Gonnard <[email protected]>
2026-09-14 14:19:57 +00:00 · 2026-03-31 12:00:59 +02:00
parent 77b1a22bc3
commit df13f5cd52
1 changed files with 1 additions and 0 deletions
@@ -416,6 +416,7 @@ int mbedtls_ecdh_read_public(mbedtls_ecdh_context *ctx,
 *                  Bytes written on success. This must not be \c NULL.
 * \param buf       The buffer to write the generated shared key to. This
 *                  must be a writable buffer of size \p blen Bytes.
+ *                  A sufficient size is given by #MBEDTLS_ECP_MAX_BYTES.
 * \param blen      The length of the destination buffer \p buf in Bytes.
 * \param f_rng     The RNG function to use. This must not be \c NULL.
 * \param p_rng     The RNG context. This may be \c NULL if \p f_rng