Hakase/openssl-custom
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Hakase
2020-02-11 23:20:44 +09:00
parent 047a30700b
commit 9dfeec3942
639 changed files with 14024 additions and 31198 deletions
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providers/implementations/exchange/dh_exch.c
+13 -3
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@@ -13,6 +13,8 @@
#include <openssl/dh.h>
#include <openssl/params.h>
#include "prov/implementations.h"
#include "prov/provider_ctx.h"
#include "crypto/dh.h"
static OSSL_OP_keyexch_newctx_fn dh_newctx;
static OSSL_OP_keyexch_init_fn dh_init;
@@ -30,6 +32,7 @@ static OSSL_OP_keyexch_settable_ctx_params_fn dh_settable_ctx_params;
*/
typedef struct {
OPENSSL_CTX *libctx;
DH *dh;
DH *dhpeer;
unsigned int pad : 1;
@@ -37,7 +40,12 @@ typedef struct {
static void *dh_newctx(void *provctx)
{
return OPENSSL_zalloc(sizeof(PROV_DH_CTX));
PROV_DH_CTX *pdhctx = OPENSSL_zalloc(sizeof(PROV_DH_CTX));
if (pdhctx == NULL)
return NULL;
pdhctx->libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
return pdhctx;
}
static int dh_init(void *vpdhctx, void *vdh)
@@ -83,8 +91,10 @@ static int dh_derive(void *vpdhctx, unsigned char *secret, size_t *secretlen,
return 0;
DH_get0_key(pdhctx->dhpeer, &pub_key, NULL);
ret = (pdhctx->pad) ? DH_compute_key_padded(secret, pub_key, pdhctx->dh)
: DH_compute_key(secret, pub_key, pdhctx->dh);
if (pdhctx->pad)
ret = dh_compute_key_padded(pdhctx->libctx, secret, pub_key, pdhctx->dh);
else
ret = dh_compute_key(pdhctx->libctx, secret, pub_key, pdhctx->dh);
if (ret <= 0)
return 0;