crypto/evp/p_legacy.c

   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
  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
  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
  43 const RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey)
  44 {
  45     return evp_pkey_get0_RSA_int(pkey);
  46 }
  47
  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
  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
  69 EC_KEY *evp_pkey_get0_EC_KEY_int(const EVP_PKEY *pkey)
  70 {
  71     if (EVP_PKEY_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
  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
  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 */