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ctrl_params_translate: Fix leak of BN_CTX

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Also add a missing allocation failure check.

Fixes #16788

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/16804)
This commit is contained in:
Tomas Mraz 2021-10-11 15:03:47 +02:00
parent 58608487a4
commit 922422119d
1 changed files with 3 additions and 0 deletions
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3
crypto/evp/ctrl_params_translate.c
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@ -1595,10 +1595,13 @@ static int get_payload_public_key(enum state state,
const EC_GROUP *ecg = EC_KEY_get0_group(eckey);
const EC_POINT *point = EC_KEY_get0_public_key(eckey);
if (bnctx == NULL)
return 0;
ctx->sz = EC_POINT_point2buf(ecg, point,
POINT_CONVERSION_COMPRESSED,
&buf, bnctx);
ctx->p2 = buf;
BN_CTX_free(bnctx);
break;
}
return 0;