+#include "internal/cryptlib.h"
+
+#ifndef OPENSSL_NO_RSA
+
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include <openssl/x509.h>
+# include <openssl/rsa.h>
+
+int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+ const unsigned char *ek, int ekl, const unsigned char *iv,
+ EVP_PKEY *priv)
+{
+ unsigned char *key = NULL;
+ int i, size = 0, ret = 0;
+
+ if (type) {
+ EVP_CIPHER_CTX_init(ctx);
+ if (!EVP_DecryptInit_ex(ctx, type, NULL, NULL, NULL))
+ return 0;
+ }
+
+ if (!priv)
+ return 1;
+
+ if (priv->type != EVP_PKEY_RSA) {
+ EVPerr(EVP_F_EVP_OPENINIT, EVP_R_PUBLIC_KEY_NOT_RSA);
+ goto err;
+ }
+
+ size = RSA_size(priv->pkey.rsa);
+ key = OPENSSL_malloc(size + 2);
+ if (key == NULL) {
+ /* ERROR */
+ EVPerr(EVP_F_EVP_OPENINIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }