diff options
Diffstat (limited to 'providers/implementations/kdfs/sskdf.c')
| -rw-r--r-- | providers/implementations/kdfs/sskdf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/providers/implementations/kdfs/sskdf.c b/providers/implementations/kdfs/sskdf.c index 56ac1e6334..297ddcdc2d 100644 --- a/providers/implementations/kdfs/sskdf.c +++ b/providers/implementations/kdfs/sskdf.c @@ -239,7 +239,7 @@ static int SSKDF_mac_kdm(EVP_MAC_CTX *ctx_init, goto end; out_len = EVP_MAC_CTX_get_mac_size(ctx_init); /* output size */ - if (out_len <= 0) + if (out_len <= 0 || (mac == mac_buf && out_len > sizeof(mac_buf))) goto end; len = derived_key_len; @@ -263,7 +263,7 @@ static int SSKDF_mac_kdm(EVP_MAC_CTX *ctx_init, if (len == 0) break; } else { - if (!EVP_MAC_final(ctx, mac, NULL, len)) + if (!EVP_MAC_final(ctx, mac, NULL, out_len)) goto end; memcpy(out, mac, len); break; |