File drop-older-libressl.patch of Package saltbundlepy-cryptography

--- a/src/_cffi_src/openssl/crypto.py
+++ b/src/_cffi_src/openssl/crypto.py
@@ -23,10 +23,6 @@
 static const int OPENSSL_BUILT_ON;
 static const int OPENSSL_PLATFORM;
 static const int OPENSSL_DIR;
-static const int CRYPTO_MEM_CHECK_ON;
-static const int CRYPTO_MEM_CHECK_OFF;
-static const int CRYPTO_MEM_CHECK_ENABLE;
-static const int CRYPTO_MEM_CHECK_DISABLE;
 """
 
 FUNCTIONS = """
--- a/src/_cffi_src/openssl/err.py
+++ b/src/_cffi_src/openssl/err.py
@@ -66,7 +66,6 @@
 static const int EVP_R_INITIALIZATION_ERROR;
 static const int EVP_R_INPUT_NOT_INITIALIZED;
 static const int EVP_R_INVALID_KEY_LENGTH;
-static const int EVP_R_KEYGEN_FAILURE;
 static const int EVP_R_MISSING_PARAMETERS;
 static const int EVP_R_NO_CIPHER_SET;
 static const int EVP_R_NO_DIGEST_SET;
--- a/src/_cffi_src/openssl/rsa.py
+++ b/src/_cffi_src/openssl/rsa.py
@@ -52,28 +52,13 @@
 int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *, int);
 int EVP_PKEY_CTX_set_rsa_pss_saltlen(EVP_PKEY_CTX *, int);
 int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *, EVP_MD *);
-int EVP_PKEY_CTX_set0_rsa_oaep_label(EVP_PKEY_CTX *, unsigned char *, int);
-
-int EVP_PKEY_CTX_set_rsa_oaep_md(EVP_PKEY_CTX *, EVP_MD *);
 """
 
 CUSTOMIZATIONS = """
 static const long Cryptography_HAS_PSS_PADDING = 1;
 
-#if defined(EVP_PKEY_CTX_set_rsa_oaep_md)
-static const long Cryptography_HAS_RSA_OAEP_MD = 1;
-#else
 static const long Cryptography_HAS_RSA_OAEP_MD = 0;
-int (*EVP_PKEY_CTX_set_rsa_oaep_md)(EVP_PKEY_CTX *, EVP_MD *) = NULL;
-#endif
-
-#if defined(EVP_PKEY_CTX_set0_rsa_oaep_label)
-static const long Cryptography_HAS_RSA_OAEP_LABEL = 1;
-#else
 static const long Cryptography_HAS_RSA_OAEP_LABEL = 0;
-int (*EVP_PKEY_CTX_set0_rsa_oaep_label)(EVP_PKEY_CTX *, unsigned char *,
-                                        int) = NULL;
-#endif
 
 /* These functions were added in OpenSSL 1.1.0 */
 #if CRYPTOGRAPHY_OPENSSL_LESS_THAN_110 && !CRYPTOGRAPHY_LIBRESSL_27_OR_GREATER