diff -Naur openssl/openssl.c openssl-NEU/openssl.c
--- openssl/openssl.c	2022-10-31 11:36:06.000000000 +0100
+++ openssl-NEU/openssl.c	2023-06-18 09:45:19.793215668 +0200
@@ -1517,7 +1517,9 @@
 	REGISTER_LONG_CONSTANT("PKCS7_NOSIGS", PKCS7_NOSIGS, CONST_CS|CONST_PERSISTENT);
 
 	REGISTER_LONG_CONSTANT("OPENSSL_PKCS1_PADDING", RSA_PKCS1_PADDING, CONST_CS|CONST_PERSISTENT);
+#ifdef RSA_SSLV23_PADDING
 	REGISTER_LONG_CONSTANT("OPENSSL_SSLV23_PADDING", RSA_SSLV23_PADDING, CONST_CS|CONST_PERSISTENT);
+#endif
 	REGISTER_LONG_CONSTANT("OPENSSL_NO_PADDING", RSA_NO_PADDING, CONST_CS|CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("OPENSSL_PKCS1_OAEP_PADDING", RSA_PKCS1_OAEP_PADDING, CONST_CS|CONST_PERSISTENT);
 
diff -Naur openssl/tests/bug28382.phpt openssl-NEU/tests/bug28382.phpt
--- openssl/tests/bug28382.phpt	2022-10-31 11:36:06.000000000 +0100
+++ openssl-NEU/tests/bug28382.phpt	2023-06-18 09:48:26.813627405 +0200
@@ -9,11 +9,10 @@
 $cert = file_get_contents(__DIR__ . "/bug28382cert.txt");
 $ext = openssl_x509_parse($cert);
 var_dump($ext['extensions']);
-/* openssl 1.0 prepends the string "Full Name:" to the crlDistributionPoints array key.
-	For now, as this is the one difference only between 0.9.x and 1.x, it's handled with
-	placeholders to not to duplicate the test. When more diffs come, a duplication would
-	be probably a better solution.
-*/
+/*
+ * The reason for %A at the end of crlDistributionPoints and authorityKeyIdentifier is that
+ * OpenSSL 3.0 removes new lines which were present in previous versions.
+ */^
 ?>
 --EXPECTF--
 array(11) {
@@ -24,8 +23,7 @@
   ["nsCertType"]=>
   string(30) "SSL Client, SSL Server, S/MIME"
   ["crlDistributionPoints"]=>
-  string(%d) "%AURI:http://mobile.blue-software.ro:90/ca/crl.shtml
-"
+  string(%d) "Full Name:%AURI:http://mobile.blue-software.ro:90/ca/crl.shtml%A"
   ["nsCaPolicyUrl"]=>
   string(38) "http://mobile.blue-software.ro:90/pub/"
   ["subjectAltName"]=>
@@ -33,9 +31,8 @@
   ["subjectKeyIdentifier"]=>
   string(59) "B0:A7:FF:F9:41:15:DE:23:39:BD:DD:31:0F:97:A0:B2:A2:74:E0:FC"
   ["authorityKeyIdentifier"]=>
-  string(115) "DirName:/C=RO/ST=Romania/L=Craiova/O=Sergiu/OU=Sergiu SRL/CN=Sergiu CA/emailAddress=n_sergiu@hotmail.com
-serial:00
-"
+  string(%d) "DirName:/C=RO/ST=Romania/L=Craiova/O=Sergiu/OU=Sergiu SRL/CN=Sergiu CA/emailAddress=n_sergiu@hotmail.com
+serial:00%A"
   ["keyUsage"]=>
   string(71) "Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment"
   ["nsBaseUrl"]=>