1 /*
2  * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 /*
11  * Legacy EVP_PKEY assign/set/get APIs are deprecated for public use, but
12  * still ok for internal use, particularly in providers.
13  */
14 #include "internal/deprecated.h"
15 
16 #include <openssl/types.h>
17 #include <openssl/evp.h>
18 #include <openssl/err.h>
19 #include <openssl/rsa.h>
20 #include <openssl/ec.h>
21 #include "crypto/types.h"
22 #include "crypto/evp.h"
23 #include "evp_local.h"
24 
EVP_PKEY_set1_RSA(EVP_PKEY * pkey,RSA * key)25 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
26 {
27     int ret = EVP_PKEY_assign_RSA(pkey, key);
28 
29     if (ret)
30         RSA_up_ref(key);
31     return ret;
32 }
33 
evp_pkey_get0_RSA_int(const EVP_PKEY * pkey)34 RSA *evp_pkey_get0_RSA_int(const EVP_PKEY *pkey)
35 {
36     if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) {
37         ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_AN_RSA_KEY);
38         return NULL;
39     }
40     return evp_pkey_get_legacy((EVP_PKEY *)pkey);
41 }
42 
EVP_PKEY_get0_RSA(const EVP_PKEY * pkey)43 const RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey)
44 {
45     return evp_pkey_get0_RSA_int(pkey);
46 }
47 
EVP_PKEY_get1_RSA(EVP_PKEY * pkey)48 RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
49 {
50     RSA *ret = evp_pkey_get0_RSA_int(pkey);
51 
52     if (ret != NULL)
53         RSA_up_ref(ret);
54     return ret;
55 }
56 
57 #ifndef OPENSSL_NO_EC
EVP_PKEY_set1_EC_KEY(EVP_PKEY * pkey,EC_KEY * key)58 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
59 {
60     if (!EC_KEY_up_ref(key))
61         return 0;
62     if (!EVP_PKEY_assign_EC_KEY(pkey, key)) {
63         EC_KEY_free(key);
64         return 0;
65     }
66     return 1;
67 }
68 
evp_pkey_get0_EC_KEY_int(const EVP_PKEY * pkey)69 EC_KEY *evp_pkey_get0_EC_KEY_int(const EVP_PKEY *pkey)
70 {
71     if (EVP_PKEY_get_base_id(pkey) != EVP_PKEY_EC) {
72         ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_EC_KEY);
73         return NULL;
74     }
75     return evp_pkey_get_legacy((EVP_PKEY *)pkey);
76 }
77 
EVP_PKEY_get0_EC_KEY(const EVP_PKEY * pkey)78 const EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey)
79 {
80     return evp_pkey_get0_EC_KEY_int(pkey);
81 }
82 
EVP_PKEY_get1_EC_KEY(EVP_PKEY * pkey)83 EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
84 {
85     EC_KEY *ret = evp_pkey_get0_EC_KEY_int(pkey);
86 
87     if (ret != NULL && !EC_KEY_up_ref(ret))
88         ret = NULL;
89     return ret;
90 }
91 #endif /* OPENSSL_NO_EC */
92