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/evp_pkey.c | 150 +++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/evp/evp_pkey.c

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

diff --git a/openssl-1.1.0h/crypto/evp/evp_pkey.c b/openssl-1.1.0h/crypto/evp/evp_pkey.c
new file mode 100644
index 0000000..81bffa6
--- /dev/null
+++ b/openssl-1.1.0h/crypto/evp/evp_pkey.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright 1999-2016 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 <stdio.h>
+#include <stdlib.h>
+#include "internal/cryptlib.h"
+#include <openssl/x509.h>
+#include <openssl/rand.h>
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
+#include "internal/x509_int.h"
+
+/* Extract a private key from a PKCS8 structure */
+
+EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
+{
+    EVP_PKEY *pkey = NULL;
+    const ASN1_OBJECT *algoid;
+    char obj_tmp[80];
+
+    if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
+        return NULL;
+
+    if ((pkey = EVP_PKEY_new()) == NULL) {
+        EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
+        EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
+        i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
+        ERR_add_error_data(2, "TYPE=", obj_tmp);
+        goto error;
+    }
+
+    if (pkey->ameth->priv_decode) {
+        if (!pkey->ameth->priv_decode(pkey, p8)) {
+            EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR);
+            goto error;
+        }
+    } else {
+        EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
+        goto error;
+    }
+
+    return pkey;
+
+ error:
+    EVP_PKEY_free(pkey);
+    return NULL;
+}
+
+/* Turn a private key into a PKCS8 structure */
+
+PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
+{
+    PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new();
+    if (p8  == NULL) {
+        EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    if (pkey->ameth) {
+        if (pkey->ameth->priv_encode) {
+            if (!pkey->ameth->priv_encode(p8, pkey)) {
+                EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
+                goto error;
+            }
+        } else {
+            EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED);
+            goto error;
+        }
+    } else {
+        EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
+        goto error;
+    }
+    RAND_add(p8->pkey->data, p8->pkey->length, 0.0);
+    return p8;
+ error:
+    PKCS8_PRIV_KEY_INFO_free(p8);
+    return NULL;
+}
+
+/* EVP_PKEY attribute functions */
+
+int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
+{
+    return X509at_get_attr_count(key->attributes);
+}
+
+int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
+{
+    return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
+}
+
+int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, const ASN1_OBJECT *obj,
+                             int lastpos)
+{
+    return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
+}
+
+X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
+{
+    return X509at_get_attr(key->attributes, loc);
+}
+
+X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
+{
+    return X509at_delete_attr(key->attributes, loc);
+}
+
+int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
+{
+    if (X509at_add1_attr(&key->attributes, attr))
+        return 1;
+    return 0;
+}
+
+int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
+                              const ASN1_OBJECT *obj, int type,
+                              const unsigned char *bytes, int len)
+{
+    if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
+        return 1;
+    return 0;
+}
+
+int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
+                              int nid, int type,
+                              const unsigned char *bytes, int len)
+{
+    if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
+        return 1;
+    return 0;
+}
+
+int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
+                              const char *attrname, int type,
+                              const unsigned char *bytes, int len)
+{
+    if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len))
+        return 1;
+    return 0;
+}
-- 
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