diff options
| author | Martin Storsjö <martin@martin.st> | 2015-05-28 10:08:27 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2015-05-29 09:42:30 +0300 |
| commit | 9f1b3050d9e31e9283d818f3640f3460ac8cfb5b (patch) | |
| tree | ff4ece2948199ed5cfff5e682a01f8d04879b3a4 /libavformat/rtmpdh.c | |
| parent | 127d813bcb5705202b7100cf1eccd1e26d72ba14 (diff) | |
rtmpdh: Check the output buffer size in the openssl version of dh_compute_key
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rtmpdh.c')
| -rw-r--r-- | libavformat/rtmpdh.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavformat/rtmpdh.c b/libavformat/rtmpdh.c index bd9813d600..80cced9312 100644 --- a/libavformat/rtmpdh.c +++ b/libavformat/rtmpdh.c @@ -189,7 +189,14 @@ void ff_dh_free(FF_DH *dh) #define dh_new() DH_new() #define dh_generate_key(dh) DH_generate_key(dh) -#define dh_compute_key(dh, pub, len, secret) DH_compute_key(secret, pub, dh) + +static int dh_compute_key(FF_DH *dh, FFBigNum pub_key_bn, + uint32_t secret_key_len, uint8_t *secret_key) +{ + if (secret_key_len < DH_size(dh)) + return AVERROR(EINVAL); + return DH_compute_key(secret_key, pub_key_bn, dh); +} void ff_dh_free(FF_DH *dh) { |