--- /dev/null
+--- a/ext/openssl/openssl.c
++++ b/ext/openssl/openssl.c
+@@ -47,6 +47,13 @@
+
+ #define DEBUG_SMIME 0
+
++#if OPENSSL_VERSION_NUMBER >= 0x10000000L
++#define OPENSSL_D2I_X509_CAST d2i_of_void *
++#else
++#define OPENSSL_D2I_X509_CAST char *(*)()
++#define LHASH_OF(x) LHASH
++#endif
++
+ static unsigned char arg2_force_ref[] =
+ { 2, BYREF_NONE, BYREF_FORCE };
+ static unsigned char arg2and3_force_ref[] =
+@@ -179,8 +186,8 @@ inline static int php_openssl_safe_mode_
+ static char default_ssl_conf_filename[MAXPATHLEN];
+
+ struct php_x509_request {
+- LHASH * global_config; /* Global SSL config */
+- LHASH * req_config; /* SSL config for this request */
++ LHASH_OF(CONF_VALUE) * global_config; /* Global SSL config */
++ LHASH_OF(CONF_VALUE) * req_config; /* SSL config for this request */
+ const EVP_MD * md_alg;
+ const EVP_MD * digest;
+ char * section_name,
+@@ -340,7 +347,7 @@ static inline int php_openssl_config_che
+ const char * section_label,
+ const char * config_filename,
+ const char * section,
+- LHASH * config TSRMLS_DC)
++ LHASH_OF(CONF_VALUE) * config TSRMLS_DC)
+ {
+ X509V3_CTX ctx;
+
+@@ -720,7 +727,7 @@ static X509 * php_openssl_x509_from_zval
+ if (in == NULL)
+ return NULL;
+
+- cert = (X509 *) PEM_ASN1_read_bio((char *(*)())d2i_X509,
++ cert = (X509 *) PEM_ASN1_read_bio((OPENSSL_D2I_X509_CAST)d2i_X509,
+ PEM_STRING_X509, in,
+ NULL, NULL, NULL);
+ BIO_free(in);
+@@ -1859,7 +1866,7 @@ static int php_openssl_is_private_key(EV
+ case EVP_PKEY_RSA2:
+ assert(pkey->pkey.rsa != NULL);
+
+- if (NULL == pkey->pkey.rsa->p || NULL == pkey->pkey.rsa->q)
++ if (NULL == pkey->pkey.rsa || NULL == pkey->pkey.rsa->p || NULL == pkey->pkey.rsa->q)
+ return 0;
+ break;
+ #endif
+@@ -1871,7 +1878,7 @@ static int php_openssl_is_private_key(EV
+ case EVP_PKEY_DSA4:
+ assert(pkey->pkey.dsa != NULL);
+
+- if (NULL == pkey->pkey.dsa->p || NULL == pkey->pkey.dsa->q || NULL == pkey->pkey.dsa->priv_key)
++ if (NULL == pkey->pkey.dsa || NULL == pkey->pkey.dsa->p || NULL == pkey->pkey.dsa->q || NULL == pkey->pkey.dsa->priv_key)
+ return 0;
+ break;
+ #endif
+@@ -1879,7 +1886,7 @@ static int php_openssl_is_private_key(EV
+ case EVP_PKEY_DH:
+ assert(pkey->pkey.dh != NULL);
+
+- if (NULL == pkey->pkey.dh->p || NULL == pkey->pkey.dh->priv_key)
++ if (NULL == pkey->pkey.dh || NULL == pkey->pkey.dh->p || NULL == pkey->pkey.dh->priv_key)
+ return 0;
+ break;
+ #endif