#include <openssl/obj_mac.h>
#include <openssl/bn.h>
-static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key, EC_KEY *ecdh,
- void *(*KDF)(void *in, size_t inlen, void *out, size_t outlen));
+static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key,
+ EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
static ECDH_METHOD openssl_ecdh_meth = {
"OpenSSL ECDH method",
* - ECSVDP-DH
* Finally an optional KDF is applied.
*/
-static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
- void *(*KDF)(void *in, size_t inlen, void *out, size_t outlen))
+static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+ EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
{
BN_CTX *ctx;
EC_POINT *tmp=NULL;
if (KDF != 0)
{
- if (KDF(buf, buflen, out, outlen) == NULL)
+ if (KDF(buf, buflen, out, &outlen) == NULL)
{
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_KDF_FAILED);
goto err;