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rtmpdh: Check the output buffer size in the openssl version of dh_compute_key

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-05-28 10:08:27 +03:00
parent 127d813bcb
commit 9f1b3050d9
1 changed files with 8 additions and 1 deletions
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9
libavformat/rtmpdh.c
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@ -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)
{