diff options
Diffstat (limited to 'lib/ecdsa/ecdsa-verify.c')
| -rw-r--r-- | lib/ecdsa/ecdsa-verify.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/ecdsa/ecdsa-verify.c b/lib/ecdsa/ecdsa-verify.c index 0601700c4fc..4d1835b598a 100644 --- a/lib/ecdsa/ecdsa-verify.c +++ b/lib/ecdsa/ecdsa-verify.c @@ -31,6 +31,11 @@ static int fdt_get_key(struct ecdsa_public_key *key, const void *fdt, int node) int x_len, y_len; key->curve_name = fdt_getprop(fdt, node, "ecdsa,curve", NULL); + if (!key->curve_name) { + debug("Error: ecdsa cannot get 'ecdsa,curve' property from key. Likely not an ecdsa key.\n"); + return -ENOMSG; + } + key->size_bits = ecdsa_key_size(key->curve_name); if (key->size_bits == 0) { debug("Unknown ECDSA curve '%s'", key->curve_name); |