pvk kdf: implement ctx dup operation
#include "prov/provider_util.h"
static OSSL_FUNC_kdf_newctx_fn kdf_pvk_new;
+static OSSL_FUNC_kdf_dupctx_fn kdf_pvk_dup;
static OSSL_FUNC_kdf_freectx_fn kdf_pvk_free;
static OSSL_FUNC_kdf_reset_fn kdf_pvk_reset;
static OSSL_FUNC_kdf_derive_fn kdf_pvk_derive;
@@ -71,6 +72,26 @@ static void kdf_pvk_free(void *vctx)
}
}
+static void *kdf_pvk_dup(void *vctx)
+{
+ const KDF_PVK *src = (const KDF_PVK *)vctx;
+ KDF_PVK *dest;
+
+ dest = kdf_pvk_new(src->provctx);
+ if (dest != NULL)
+ if (!ossl_prov_memdup(src->salt, src->salt_len,
+ &dest->salt, &dest->salt_len)
+ || !ossl_prov_memdup(src->pass, src->pass_len,
+ &dest->pass , &dest->pass_len)
+ || !ossl_prov_digest_copy(&dest->digest, &src->digest))
+ goto err;
+ return dest;
+
+ err:
+ kdf_pvk_free(dest);
+ return NULL;
+}
+
static void kdf_pvk_reset(void *vctx)
{
KDF_PVK *ctx = (KDF_PVK *)vctx;
@@ -216,6 +237,7 @@ static const OSSL_PARAM *kdf_pvk_gettable_ctx_params(ossl_unused void *ctx,
const OSSL_DISPATCH ossl_kdf_pvk_functions[] = {
{ OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_pvk_new },
+ { OSSL_FUNC_KDF_DUPCTX, (void(*)(void))kdf_pvk_dup },
{ OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_pvk_free },
{ OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_pvk_reset },
{ OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_pvk_derive },
