From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/evp/p_open.c | 73 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/evp/p_open.c

(limited to 'openssl-1.1.0h/crypto/evp/p_open.c')

diff --git a/openssl-1.1.0h/crypto/evp/p_open.c b/openssl-1.1.0h/crypto/evp/p_open.c
new file mode 100644
index 0000000..b65bc74
--- /dev/null
+++ b/openssl-1.1.0h/crypto/evp/p_open.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "internal/cryptlib.h"
+#ifdef OPENSSL_NO_RSA
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
+# include <stdio.h>
+# 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_reset(ctx);
+        if (!EVP_DecryptInit_ex(ctx, type, NULL, NULL, NULL))
+            return 0;
+    }
+
+    if (!priv)
+        return 1;
+
+    if (EVP_PKEY_id(priv) != EVP_PKEY_RSA) {
+        EVPerr(EVP_F_EVP_OPENINIT, EVP_R_PUBLIC_KEY_NOT_RSA);
+        goto err;
+    }
+
+    size = EVP_PKEY_size(priv);
+    key = OPENSSL_malloc(size + 2);
+    if (key == NULL) {
+        /* ERROR */
+        EVPerr(EVP_F_EVP_OPENINIT, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    i = EVP_PKEY_decrypt_old(key, ek, ekl, priv);
+    if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i)) {
+        /* ERROR */
+        goto err;
+    }
+    if (!EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv))
+        goto err;
+
+    ret = 1;
+ err:
+    OPENSSL_clear_free(key, size);
+    return (ret);
+}
+
+int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
+{
+    int i;
+
+    i = EVP_DecryptFinal_ex(ctx, out, outl);
+    if (i)
+        i = EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL);
+    return (i);
+}
+#endif
-- 
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