src/shared/openssl-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "macro.h"
   5
   6 #if HAVE_OPENSSL
   7 #  include <openssl/bio.h>
   8 #  include <openssl/bn.h>
   9 #  include <openssl/err.h>
  10 #  include <openssl/evp.h>
  11 #  include <openssl/pkcs7.h>
  12 #  include <openssl/ssl.h>
  13 #  include <openssl/x509v3.h>
  14
  15 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(X509*, X509_free, NULL);
  16 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(X509_NAME*, X509_NAME_free, NULL);
  17 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_PKEY_CTX*, EVP_PKEY_CTX_free, NULL);
  18 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_PKEY*, EVP_PKEY_free, NULL);
  19 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_CIPHER_CTX*, EVP_CIPHER_CTX_free, NULL);
  20 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EC_POINT*, EC_POINT_free, NULL);
  21 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EC_GROUP*, EC_GROUP_free, NULL);
  22 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BIGNUM*, BN_free, NULL);
  23 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BN_CTX*, BN_CTX_free, NULL);
  24 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(ECDSA_SIG*, ECDSA_SIG_free, NULL);
  25 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(PKCS7*, PKCS7_free, NULL);
  26 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(SSL*, SSL_free, NULL);
  27 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BIO*, BIO_free, NULL);
  28 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_MD_CTX*, EVP_MD_CTX_free, NULL);
  29
  30 static inline void sk_X509_free_allp(STACK_OF(X509) **sk) {
  31         if (!sk || !*sk)
  32                 return;
  33
  34         sk_X509_pop_free(*sk, X509_free);
  35 }
  36
  37 int openssl_hash(const EVP_MD *alg, const void *msg, size_t msg_len, uint8_t *ret_hash, size_t *ret_hash_len);
  38
  39 int rsa_encrypt_bytes(EVP_PKEY *pkey, const void *decrypted_key, size_t decrypted_key_size, void **ret_encrypt_key, size_t *ret_encrypt_key_size);
  40
  41 int rsa_pkey_to_suitable_key_size(EVP_PKEY *pkey, size_t *ret_suitable_key_size);
  42 #endif
  43
  44 #if PREFER_OPENSSL
  45 /* The openssl definition */
  46 typedef const EVP_MD* hash_md_t;
  47 typedef const EVP_MD* hash_algorithm_t;
  48 typedef int elliptic_curve_t;
  49 typedef EVP_MD_CTX* hash_context_t;
  50 #  define OPENSSL_OR_GCRYPT(a, b) (a)
  51
  52 #elif HAVE_GCRYPT
  53
  54 #  include <gcrypt.h>
  55
  56 /* The gcrypt definition */
  57 typedef int hash_md_t;
  58 typedef const char* hash_algorithm_t;
  59 typedef const char* elliptic_curve_t;
  60 typedef gcry_md_hd_t hash_context_t;
  61 #  define OPENSSL_OR_GCRYPT(a, b) (b)
  62 #endif
  63
  64 #if PREFER_OPENSSL
  65 int string_hashsum(const char *s, size_t len, hash_algorithm_t md_algorithm, char **ret);
  66
  67 static inline int string_hashsum_sha224(const char *s, size_t len, char **ret) {
  68         return string_hashsum(s, len, EVP_sha224(), ret);
  69 }
  70
  71 static inline int string_hashsum_sha256(const char *s, size_t len, char **ret) {
  72         return string_hashsum(s, len, EVP_sha256(), ret);
  73 }
  74 #endif