Commit 944f8580 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Fix EVP_PKEY_CTX_dup() to return correct value and handle NULL keys in 

the source.
parent 27a3d9f9

crypto/evp/pmeth_lib.c

+5 −7
Original line number Diff line number Diff line
@@ -252,23 +252,21 @@ EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx) 
#endif



	if (pctx->pkey)

		{

		CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY);



	rctx->pkey = pctx->pkey;

		}



	if (pctx->peerkey)

		{

		CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY);



	rctx->peerkey = pctx->peerkey;

		}



	rctx->data = NULL;

	rctx->app_data = NULL;

	rctx->operation = pctx->operation;



	if (pctx->pmeth->copy(rctx, pctx) > 0)

		return pctx;

		return rctx;



	EVP_PKEY_CTX_free(rctx);

	return NULL;