diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9428120..024ff10 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -320,10 +320,8 @@ set(3PROXY_CORE_SOURCES
     src/stringtable.c
 )
 
-# MD4/MD5/BLAKE2 sources for 3proxy_crypt
+# BLAKE2 source for 3proxy_crypt
 set(MD_SOURCES
-    src/libs/md4.c
-    src/libs/md5.c
     src/libs/blake2b-ref.c
 )
 
@@ -402,6 +400,10 @@ add_executable(3proxy
     $<TARGET_OBJECTS:3proxy_crypt_obj>
 )
 
+if(OpenSSL_FOUND)
+    target_sources(3proxy PRIVATE src/ssllib.c src/ssl.c)
+endif()
+
 target_include_directories(3proxy PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/src
     ${CMAKE_CURRENT_SOURCE_DIR}/src/libs
@@ -444,6 +446,9 @@ target_include_directories(3proxy_crypt PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/src/libs
 )
 target_link_libraries(3proxy_crypt PRIVATE Threads::Threads)
+if(OpenSSL_FOUND)
+    target_link_libraries(3proxy_crypt PRIVATE OpenSSL::SSL OpenSSL::Crypto)
+endif()
 if("${3PROXY_BINARY_PREFIX}" STREQUAL "")
     set_target_properties(3proxy_crypt PROPERTIES OUTPUT_NAME "mycrypt")
 else()
@@ -527,10 +532,6 @@ foreach(PLUGIN ${DEFAULT_PLUGINS})
     add_subdirectory(src/plugins/${PLUGIN})
 endforeach()
 
-if(OPENSSL_FOUND)
-    add_subdirectory(src/plugins/SSLPlugin)
-endif()
-
 if(PCRE2_FOUND)
     add_subdirectory(src/plugins/PCREPlugin)
 endif()
@@ -541,9 +542,6 @@ endif()
 
 # Build full list of plugins to be built
 set(ALL_PLUGINS ${DEFAULT_PLUGINS})
-if(OPENSSL_FOUND)
-    list(APPEND ALL_PLUGINS SSLPlugin)
-endif()
 if(PCRE2_FOUND)
     list(APPEND ALL_PLUGINS PCREPlugin)
 endif()
diff --git a/Makefile.FreeBSD b/Makefile.FreeBSD
index ce07b2f..06f9f9f 100644
--- a/Makefile.FreeBSD
+++ b/Makefile.FreeBSD
@@ -36,7 +36,8 @@ PLUGINS ?= StringsPlugin TrafficPlugin TransparentPlugin FilePlugin
 OPENSSL_CHECK = $(shell echo "\#include <openssl/ssl.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testssl.o - 2>/dev/null && $(CC) $(LDFLAGS) -otestssl testssl.o -lcrypto -lssl 2>/dev/null && rm testssl testssl.o && echo true||echo false)
 ifeq ($(OPENSSL_CHECK), true)
     LIBS += -l crypto -l ssl
-    PLUGINS += SSLPlugin
+    CFLAGS += -DWITH_SSL
+    SSL_OBJS = ssllib$(OBJSUFFICS) ssl$(OBJSUFFICS)
 endif
 PCRE_CHECK = $(shell echo "\#define PCRE2_CODE_UNIT_WIDTH 8\\n\#include <pcre2.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testpcre.o - 2>/dev/null && $(CC) -o testpcre testpcre.o $(LDFLAGS) -lpcre2-8 2>/dev/null && rm testpcre testpcre.o && echo true||echo false)
 ifeq ($(PCRE_CHECK), true)
diff --git a/Makefile.Linux b/Makefile.Linux
index 713830a..2811045 100644
--- a/Makefile.Linux
+++ b/Makefile.Linux
@@ -38,7 +38,8 @@ PLUGINS ?= StringsPlugin TrafficPlugin TransparentPlugin FilePlugin
 OPENSSL_CHECK = $(shell echo "\#include <openssl/ssl.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testssl.o - 2>/dev/null && $(CC) $(LDFLAGS) -otestssl testssl.o -lcrypto -lssl 2>/dev/null && rm testssl testssl.o && echo true||echo false)
 ifeq ($(OPENSSL_CHECK), true)
     LIBS += -l crypto -l ssl
-    PLUGINS += SSLPlugin
+    CFLAGS += -DWITH_SSL
+    SSL_OBJS = ssllib$(OBJSUFFICS) ssl$(OBJSUFFICS)
 endif
 PCRE_CHECK = $(shell echo "\#define PCRE2_CODE_UNIT_WIDTH 8\\n\#include <pcre2.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testpcre.o - 2>/dev/null && $(CC) -o testpcre testpcre.o $(LDFLAGS) -lpcre2-8 2>/dev/null && rm testpcre testpcre.o && echo true||echo false)
 ifeq ($(PCRE_CHECK), true)
diff --git a/Makefile.msvc b/Makefile.msvc
index 9651bb5..1070cc6 100644
--- a/Makefile.msvc
+++ b/Makefile.msvc
@@ -8,7 +8,7 @@ BUILDDIR = ../bin/
 CC = cl
 VERSION = $(VERSION)
 BUILDDATE = $(BUILDDATE)
-CFLAGS = /nologo /MT /W3 /Ox /GS /EHs- /GA /GF /D "MSVC"  /D "WITH_WSAPOLL" /D "NDEBUG" /D "WIN32" /D "WITH_SSL" /D "_CONSOLE" /D "_MBCS" /D "_WIN32" /Fp"proxy.pch" /FD /c $(BUILDDATE) $(VERSION) 
+CFLAGS = /nologo /MT /W3 /Ox /GS /EHs- /GA /GF /D "MSVC"  /D "WITH_WSAPOLL" /D "NDEBUG" /D "WIN32" /D "WITH_SSL" /D "_CONSOLE" /D "_MBCS" /D "_WIN32" /Fp"proxy.pch" /FD /c $(BUILDDATE) $(VERSION)
 COUT = /Fo
 LN = link
 LDFLAGS =  /nologo /subsystem:console /incremental:no
@@ -27,7 +27,8 @@ REMOVECOMMAND = del
 TYPECOMMAND = type
 COMPATLIBS =
 MAKEFILE = Makefile.msvc
-PLUGINS = utf8tocp1251 WindowsAuthentication TrafficPlugin StringsPlugin FilePlugin SSLPlugin PCREPlugin
+PLUGINS = utf8tocp1251 WindowsAuthentication TrafficPlugin StringsPlugin FilePlugin PCREPlugin
+SSL_OBJS = ssllib$(OBJSUFFICS) ssl$(OBJSUFFICS)
 VERFILE = 3proxy.res $(VERFILE)
 VERSIONDEP = 3proxy.res $(VERSIONDEP)
 AFTERCLEAN = if exist src\*.res (del src\*.res) && if exist src\*.err (del src\*.err)
diff --git a/Makefile.unix b/Makefile.unix
index f386a5d..e0d679a 100644
--- a/Makefile.unix
+++ b/Makefile.unix
@@ -38,7 +38,8 @@ PLUGINS ?= StringsPlugin TrafficPlugin TransparentPlugin FilePlugin
 OPENSSL_CHECK = $(shell echo "\#include <openssl/ssl.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testssl.o - 2>/dev/null && $(CC) $(LDFLAGS) -otestssl testssl.o -lcrypto -lssl 2>/dev/null && rm testssl testssl.o && echo true||echo false)
 ifeq ($(OPENSSL_CHECK), true)
     LIBS += -l crypto -l ssl
-    PLUGINS += SSLPlugin
+    CFLAGS += -DWITH_SSL
+    SSL_OBJS = ssllib$(OBJSUFFICS) ssl$(OBJSUFFICS)
 endif
 PCRE_CHECK = $(shell echo "\#define PCRE2_CODE_UNIT_WIDTH 8\\n\#include <pcre2.h>\\n int main(){return 0;}" | tr -d \\\\ | $(CC) -x c $(CFLAGS) -o testpcre.o - 2>/dev/null && $(CC) -o testpcre testpcre.o $(LDFLAGS) -lpcre2-8 2>/dev/null && rm testpcre testpcre.o && echo true||echo false)
 ifeq ($(PCRE_CHECK), true)
diff --git a/Makefile.win b/Makefile.win
index 835d4bc..c4debb1 100644
--- a/Makefile.win
+++ b/Makefile.win
@@ -37,7 +37,8 @@ ifndef OPENSSL_CHECK
 OPENSSL_CHECK = $(shell echo "\#include <openssl/ssl.h>\\n int main(){return 0;}" | tr -d '\\\\' | cc -x c $(CFLAGS) $(LDFLAGS) -l crypto -l ssl -o testssl - 2>/dev/null && rm testssl && echo true||echo false)
 ifeq ($(OPENSSL_CHECK), true)
     LIBS += -l crypto -l ssl
-    PLUGINS += SSLPlugin
+    CFLAGS += -DWITH_SSL
+    SSL_OBJS = ssllib$(OBJSUFFICS) ssl$(OBJSUFFICS)
 endif
 PAM_CHECK = $(shell echo "\#include <security/pam_appl.h>\\n int main(){return 0;}" | tr -d '\\\\' | cc -x c $(CFLAGS) $(LDFLAGS) -l pam -o testpam - 2>/dev/null && rm testpam && echo true||echo false)
 ifeq ($(PAM_CHECK), true)
diff --git a/src/3proxy.c b/src/3proxy.c
index f24d5ab..38b566c 100644
--- a/src/3proxy.c
+++ b/src/3proxy.c
@@ -7,6 +7,9 @@
 */
 
 #include "proxy.h"
+#ifdef WITH_SSL
+void ssl_install(void);
+#endif
 #ifndef _WIN32
 #include <sys/resource.h>
 #ifndef NOPLUGINS
@@ -523,6 +526,10 @@ int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int
   _3proxy_mutex_init(&conf.threadinit);
 #endif
 
+#ifdef WITH_SSL
+  ssl_install();
+#endif
+
   freeconf(&conf);
   res = readconfig(fp);
   conf.version++;
diff --git a/src/3proxy_crypt.c b/src/3proxy_crypt.c
index a4c0eb5..7ddf28e 100644
--- a/src/3proxy_crypt.c
+++ b/src/3proxy_crypt.c
@@ -5,11 +5,13 @@
    please read License Agreement
 
 */
+#include "blake2_compat.h"
+#ifdef WITH_SSL
+#include <openssl/evp.h>
 #ifndef WITHMAIN
-#include "libs/md5.h"
+/* MD5 needed for $1$ crypt */
+#endif
 #endif
-#include "libs/md4.h"
-#include "libs/blake2.h"
 #include <string.h>
 
 #define MD5_SIZE 16
@@ -24,6 +26,12 @@ void tohex(unsigned char *in, unsigned char *out, int len);
 static unsigned char itoa64[] =
         "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
+
+#if defined(WITH_SSL)
+EVP_MD *md4 = NULL;
+EVP_MD *md5 = NULL;
+#endif
+
 void
 _crypt_to64(unsigned char *s, unsigned long v, int n)
 {
@@ -34,11 +42,13 @@ _crypt_to64(unsigned char *s, unsigned long v, int n)
 }
 
 
+#ifdef WITH_SSL
 unsigned char * ntpwdhash (unsigned char *szHash, const unsigned char *szPassword, int ctohex)
 {
 	unsigned char szUnicodePass[513];
 	unsigned int nPasswordLen;
-	MD4_CTX ctx;
+	EVP_MD_CTX *ctx;
+	unsigned int len=sizeof(szUnicodePass);
 	unsigned int i;
 
 	/*
@@ -53,15 +63,20 @@ unsigned char * ntpwdhash (unsigned char *szHash, const unsigned char *szPasswor
 	}
 
 	/* Encrypt Unicode password to a 16-byte MD4 hash */
-	MD4Init(&ctx);
-	MD4Update(&ctx, szUnicodePass, (nPasswordLen<<1));
-	MD4Final(szUnicodePass, &ctx);
+	ctx = EVP_MD_CTX_new();
+	if(!EVP_DigestInit_ex(ctx, md4, NULL)){
+	    fprintf(stderr, "Failed to init MD4 digest\n");
+	}
+	EVP_DigestUpdate(ctx, szUnicodePass, (nPasswordLen<<1));
+	EVP_DigestFinal_ex(ctx, szUnicodePass, &len);
+	EVP_MD_CTX_free(ctx);
 	if (ctohex){
 		tohex(szUnicodePass, szHash, 16);
 	}
 	else memcpy(szHash, szUnicodePass, 16);
 	return szHash;
 }
+#endif
 
 
 unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsigned char *passwd){
@@ -74,34 +89,38 @@ unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsi
  int sl;
  unsigned long l;
 
-#ifndef WITHMAIN
+#if defined(WITH_SSL)
  if(salt[0] == '$' && salt[1] == '1' && salt[2] == '$' && (ep = (unsigned char *)strchr((char *)salt+3, '$'))) {
-	MD5_CTX	ctx,ctx1;
+	EVP_MD_CTX	*ctx, *ctx1;
+	unsigned int len;
 	int pl, i;
 
 	sp = salt +3;
 	sl = (int)(ep - sp);
 	magic = (unsigned char *)"$1$";
 
-	MD5Init(&ctx);
+	ctx = EVP_MD_CTX_new();
+	EVP_DigestInit_ex(ctx, md5, NULL);
 
 	/* The password first, since that is what is most unknown */
-	MD5Update(&ctx,pw,strlen((char *)pw));
+	EVP_DigestUpdate(ctx,pw,strlen((char *)pw));
 
 	/* Then our magic string */
-	MD5Update(&ctx,magic,strlen((char *)magic));
+	EVP_DigestUpdate(ctx,magic,strlen((char *)magic));
 
 	/* Then the raw salt */
-	MD5Update(&ctx,sp,sl);
+	EVP_DigestUpdate(ctx,sp,sl);
 
 	/* Then just as many unsigned characters of the MD5(pw,salt,pw) */
-	MD5Init(&ctx1);
-	MD5Update(&ctx1,pw,strlen((char *)pw));
-	MD5Update(&ctx1,sp,sl);
-	MD5Update(&ctx1,pw,strlen((char *)pw));
-	MD5Final(final,&ctx1);
+	ctx1 = EVP_MD_CTX_new();
+	EVP_DigestInit_ex(ctx1, EVP_md5(), NULL);
+	EVP_DigestUpdate(ctx1,pw,strlen((char *)pw));
+	EVP_DigestUpdate(ctx1,sp,sl);
+	EVP_DigestUpdate(ctx1,pw,strlen((char *)pw));
+	EVP_DigestFinal_ex(ctx1,final,&len);
+	EVP_MD_CTX_free(ctx1);
 	for(pl = (int)strlen((char *)pw); pl > 0; pl -= MD5_SIZE)
-		MD5Update(&ctx,final,pl>MD5_SIZE ? MD5_SIZE : pl);
+		EVP_DigestUpdate(ctx,final,pl>MD5_SIZE ? MD5_SIZE : pl);
 
 	/* Don't leave anything around in vm they could use. */
 	memset(final,0,sizeof final);
@@ -109,12 +128,13 @@ unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsi
 	/* Then something really weird... */
 	for (i = (int)strlen((char *)pw); i ; i >>= 1)
 		if(i&1)
-		    MD5Update(&ctx, final, 1);
+		    EVP_DigestUpdate(ctx, final, 1);
 		else
-		    MD5Update(&ctx, pw, 1);
+		    EVP_DigestUpdate(ctx, pw, 1);
 
 
-	MD5Final(final,&ctx);
+	EVP_DigestFinal_ex(ctx,final,&len);
+	EVP_MD_CTX_free(ctx);
 
 	/*
 	 * and now, just to make sure things don't run too fast
@@ -122,23 +142,25 @@ unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsi
 	 * need 30 seconds to build a 1000 entry dictionary...
 	 */
 	for(i=0;i<1000;i++) {
-		MD5Init(&ctx1);
+		ctx1 = EVP_MD_CTX_new();
+		EVP_DigestInit_ex(ctx1, md5, NULL);
 		if(i & 1)
-			MD5Update(&ctx1,pw,strlen((char *)pw));
+			EVP_DigestUpdate(ctx1,pw,strlen((char *)pw));
 		else
-			MD5Update(&ctx1,final,MD5_SIZE);
+			EVP_DigestUpdate(ctx1,final,MD5_SIZE);
 
 		if(i % 3)
-			MD5Update(&ctx1,sp,sl);
+			EVP_DigestUpdate(ctx1,sp,sl);
 
 		if(i % 7)
-			MD5Update(&ctx1,pw,strlen((char *)pw));
+			EVP_DigestUpdate(ctx1,pw,strlen((char *)pw));
 
 		if(i & 1)
-			MD5Update(&ctx1,final,MD5_SIZE);
+			EVP_DigestUpdate(ctx1,final,MD5_SIZE);
 		else
-			MD5Update(&ctx1,pw,strlen((char *)pw));
-		MD5Final(final,&ctx1);
+			EVP_DigestUpdate(ctx1,pw,strlen((char *)pw));
+		EVP_DigestFinal_ex(ctx1,final,&len);
+		EVP_MD_CTX_free(ctx1);
 	}
 
 
@@ -151,7 +173,13 @@ unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsi
     sp = salt +3;
     sl = (int)(ep - sp);
     magic = (unsigned char *)"$3$";
-    blake2b(final, MD5_SIZE, pw, strlen((char *)pw), sp, sl);
+    {
+        blake2b_state S;
+        blake2b_init(&S, MD5_SIZE);
+        blake2b_update(&S, pw, strlen((char *)pw) + 1);
+        blake2b_update(&S, sp, sl);
+        blake2b_final(&S, final, MD5_SIZE);
+    }
  }
  else {
 	*passwd = 0;
@@ -180,25 +208,55 @@ unsigned char * mycrypt(const unsigned char *pw, const unsigned char *salt, unsi
 }
 
 #ifdef WITHMAIN
-
+#ifdef WITH_SSL
+OSSL_LIB_CTX *library_ctx = NULL;
+#include <openssl/provider.h>
+#endif
 #include <stdio.h>
 int main(int argc, char* argv[]){
 	unsigned char buf[1024];
 	unsigned i;
 	if(argc < 2 || argc > 3) {
 		fprintf(stderr, "usage: \n"
+#ifdef WITH_SSL
 			"\t%s <password>\n"
+#endif
 			"\t%s <salt> <password>\n"
+#ifdef WITH_SSL
 			"Performs NT crypt if no salt specified, BLAKE2 crypt with salt\n"
+#else
+			"Performs BLAKE2 crypt with salt\n"
+#endif
 			"This software uses:\n"
-			"  RSA Data Security, Inc. MD4 Message-Digest Algorithm\n"
-			"  RSA Data Security, Inc. MD5 Message-Digest Algorithm\n",
+#ifdef WITH_SSL
+			"  OpenSSL EVP (MD4, MD5, BLAKE2b)\n"
+#else
+			"  BLAKE2 reference implementation\n"
+#endif
+			,
 			argv[0],
 			argv[0]);
 			return 1;
 	}
+#ifdef WITH_SSL
+        library_ctx = OSSL_LIB_CTX_new();
+        OSSL_PROVIDER_load(library_ctx, "legacy");
+        OSSL_PROVIDER_load(library_ctx, "default");
+        md4 = EVP_MD_fetch(library_ctx, "MD4", NULL);
+        if (md4 == NULL) {
+	    fprintf(stderr, "Error fetching MD4\n");
+        }
+        md5 = EVP_MD_fetch(library_ctx, "MD5", NULL);
+        if (md5 == NULL) {
+	    fprintf(stderr, "Error fetching MD5\n");
+        }
+#endif
 	if(argc == 2) {
+#ifdef WITH_SSL
 		printf("NT:%s\n", ntpwdhash(buf, (unsigned char *)argv[1], 1));
+#else
+		fprintf(stderr, "NT crypt not available (compiled without OpenSSL)\n");
+#endif
 	}
 	else {
 		i = (int)strlen((char *)argv[1]);
diff --git a/src/Makefile.inc b/src/Makefile.inc
index 272b7dd..14c982d 100644
--- a/src/Makefile.inc
+++ b/src/Makefile.inc
@@ -152,21 +152,21 @@ datatypes$(OBJSUFFICS): datatypes.c proxy.h structures.h
 3proxy_cryptmain$(OBJSUFFICS): 3proxy_crypt.c
 	$(CC) $(COUT)3proxy_cryptmain$(OBJSUFFICS) $(CFLAGS) $(DEFINEOPTION)WITHMAIN 3proxy_crypt.c
 
-md4$(OBJSUFFICS):  libs/md4.h libs/md4.c
-	$(CC) $(COUT)md4$(OBJSUFFICS) $(CFLAGS) libs/md4.c
-
-md5$(OBJSUFFICS):  libs/md5.h libs/md5.c
-	$(CC) $(COUT)md5$(OBJSUFFICS) $(CFLAGS) libs/md5.c
-
 blake2$(OBJSUFFICS):  libs/blake2.h libs/blake2-impl.h libs/blake2b-ref.c
 	$(CC) $(COUT)blake2$(OBJSUFFICS) $(CFLAGS) libs/blake2b-ref.c
 
-$(BUILDDIR)$(CRYPT_PREFIX)crypt$(EXESUFFICS): md4$(OBJSUFFICS) blake2$(OBJSUFFICS) 3proxy_cryptmain$(OBJSUFFICS) base64$(OBJSUFFICS)
-	$(LN) $(LNOUT)$(BUILDDIR)$(CRYPT_PREFIX)crypt$(EXESUFFICS) $(LDFLAGS) md4$(OBJSUFFICS) blake2$(OBJSUFFICS) base64$(OBJSUFFICS) 3proxy_cryptmain$(OBJSUFFICS)
+$(BUILDDIR)$(CRYPT_PREFIX)crypt$(EXESUFFICS): blake2$(OBJSUFFICS) 3proxy_cryptmain$(OBJSUFFICS) base64$(OBJSUFFICS)
+	$(LN) $(LNOUT)$(BUILDDIR)$(CRYPT_PREFIX)crypt$(EXESUFFICS) $(LDFLAGS) blake2$(OBJSUFFICS) base64$(OBJSUFFICS) 3proxy_cryptmain$(OBJSUFFICS) $(LIBS)
 
 stringtable$(OBJSUFFICS):  stringtable.c
 	$(CC) $(COUT)stringtable$(OBJSUFFICS) $(CFLAGS) stringtable.c
 
-$(BUILDDIR)3proxy$(EXESUFFICS): 3proxy$(OBJSUFFICS) mainfunc$(OBJSUFFICS) srvproxy$(OBJSUFFICS) srvpop3p$(OBJSUFFICS) srvsmtpp$(OBJSUFFICS) srvftppr$(OBJSUFFICS) srvsocks$(OBJSUFFICS) srvtcppm$(OBJSUFFICS) srvtlspr$(OBJSUFFICS) srvauto$(OBJSUFFICS) srvudppm$(OBJSUFFICS) sockmap$(OBJSUFFICS) sockgetchar$(OBJSUFFICS) common$(OBJSUFFICS) auth$(OBJSUFFICS) acl$(OBJSUFFICS) limiter$(OBJSUFFICS) redirect$(OBJSUFFICS) authradius$(OBJSUFFICS) hash$(OBJSUFFICS) hashtables$(OBJSUFFICS) resolve$(OBJSUFFICS) sql$(OBJSUFFICS) conf$(OBJSUFFICS) log$(OBJSUFFICS) datatypes$(OBJSUFFICS) md4$(OBJSUFFICS) md5$(OBJSUFFICS) blake2$(OBJSUFFICS) 3proxy_crypt$(OBJSUFFICS) base64$(OBJSUFFICS) ftp$(OBJSUFFICS) stringtable$(OBJSUFFICS) srvwebadmin$(OBJSUFFICS) srvdnspr$(OBJSUFFICS) plugins$(OBJSUFFICS) $(COMPATLIBS) $(VERSIONDEP)
-	$(LN) $(LNOUT)$(BUILDDIR)3proxy$(EXESUFFICS) $(LDFLAGS) $(VERFILE)  3proxy$(OBJSUFFICS) mainfunc$(OBJSUFFICS) auth$(OBJSUFFICS) acl$(OBJSUFFICS) limiter$(OBJSUFFICS) redirect$(OBJSUFFICS) authradius$(OBJSUFFICS) hash$(OBJSUFFICS) hashtables$(OBJSUFFICS) resolve$(OBJSUFFICS) sql$(OBJSUFFICS) conf$(OBJSUFFICS) datatypes$(OBJSUFFICS) srvauto$(OBJSUFFICS) srvproxy$(OBJSUFFICS) srvpop3p$(OBJSUFFICS) srvsmtpp$(OBJSUFFICS) srvftppr$(OBJSUFFICS) srvsocks$(OBJSUFFICS) srvtcppm$(OBJSUFFICS) srvtlspr$(OBJSUFFICS) srvudppm$(OBJSUFFICS) sockmap$(OBJSUFFICS) sockgetchar$(OBJSUFFICS) common$(OBJSUFFICS) log$(OBJSUFFICS) 3proxy_crypt$(OBJSUFFICS) md5$(OBJSUFFICS) blake2$(OBJSUFFICS) md4$(OBJSUFFICS) base64$(OBJSUFFICS) ftp$(OBJSUFFICS) stringtable$(OBJSUFFICS) srvwebadmin$(OBJSUFFICS) srvdnspr$(OBJSUFFICS) plugins$(OBJSUFFICS) $(COMPATLIBS) $(LIBS)
+ssllib$(OBJSUFFICS): ssllib.c
+	$(CC) $(COUT)ssllib$(OBJSUFFICS) $(CFLAGS) ssllib.c
+
+ssl$(OBJSUFFICS): ssl.c
+	$(CC) $(COUT)ssl$(OBJSUFFICS) $(CFLAGS) ssl.c
+
+$(BUILDDIR)3proxy$(EXESUFFICS): 3proxy$(OBJSUFFICS) mainfunc$(OBJSUFFICS) srvproxy$(OBJSUFFICS) srvpop3p$(OBJSUFFICS) srvsmtpp$(OBJSUFFICS) srvftppr$(OBJSUFFICS) srvsocks$(OBJSUFFICS) srvtcppm$(OBJSUFFICS) srvtlspr$(OBJSUFFICS) srvauto$(OBJSUFFICS) srvudppm$(OBJSUFFICS) sockmap$(OBJSUFFICS) sockgetchar$(OBJSUFFICS) common$(OBJSUFFICS) auth$(OBJSUFFICS) acl$(OBJSUFFICS) limiter$(OBJSUFFICS) redirect$(OBJSUFFICS) authradius$(OBJSUFFICS) hash$(OBJSUFFICS) hashtables$(OBJSUFFICS) resolve$(OBJSUFFICS) sql$(OBJSUFFICS) conf$(OBJSUFFICS) log$(OBJSUFFICS) datatypes$(OBJSUFFICS) blake2$(OBJSUFFICS) 3proxy_crypt$(OBJSUFFICS) base64$(OBJSUFFICS) ftp$(OBJSUFFICS) stringtable$(OBJSUFFICS) srvwebadmin$(OBJSUFFICS) srvdnspr$(OBJSUFFICS) plugins$(OBJSUFFICS) $(SSL_OBJS) $(COMPATLIBS) $(VERSIONDEP)
+	$(LN) $(LNOUT)$(BUILDDIR)3proxy$(EXESUFFICS) $(LDFLAGS) $(VERFILE)  3proxy$(OBJSUFFICS) mainfunc$(OBJSUFFICS) auth$(OBJSUFFICS) acl$(OBJSUFFICS) limiter$(OBJSUFFICS) redirect$(OBJSUFFICS) authradius$(OBJSUFFICS) hash$(OBJSUFFICS) hashtables$(OBJSUFFICS) resolve$(OBJSUFFICS) sql$(OBJSUFFICS) conf$(OBJSUFFICS) datatypes$(OBJSUFFICS) srvauto$(OBJSUFFICS) srvproxy$(OBJSUFFICS) srvpop3p$(OBJSUFFICS) srvsmtpp$(OBJSUFFICS) srvftppr$(OBJSUFFICS) srvsocks$(OBJSUFFICS) srvtcppm$(OBJSUFFICS) srvtlspr$(OBJSUFFICS) srvudppm$(OBJSUFFICS) sockmap$(OBJSUFFICS) sockgetchar$(OBJSUFFICS) common$(OBJSUFFICS) log$(OBJSUFFICS) 3proxy_crypt$(OBJSUFFICS) blake2$(OBJSUFFICS) base64$(OBJSUFFICS) ftp$(OBJSUFFICS) stringtable$(OBJSUFFICS) srvwebadmin$(OBJSUFFICS) srvdnspr$(OBJSUFFICS) plugins$(OBJSUFFICS) $(SSL_OBJS) $(COMPATLIBS) $(LIBS)
 
diff --git a/src/auth.c b/src/auth.c
index 0727cb3..85ea0e4 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -223,8 +223,10 @@ int strongauth(struct clientparam * param){
 	if (!param->pwtype && param->password) {
 		if (pw_table.ihashtable && hashresolv(&pw_table, param, &dummy, NULL))
 			return 0;
+#ifdef WITH_SSL
 		if (pwnt_table.ihashtable && hashresolv(&pwnt_table, param, &dummy, NULL))
 			return 0;
+#endif
 #ifndef NOCRYPT
 		if (pwcr_table.ihashtable && hashresolv(&pwcr_table, param, cryptpw, NULL)) {
 			if (!strcmp(cryptpw, (char *)mycrypt(param->password, (unsigned char *)cryptpw, buf)))
diff --git a/src/authradius.c b/src/authradius.c
index 2ff0c4a..fc3fdae 100644
--- a/src/authradius.c
+++ b/src/authradius.c
@@ -8,7 +8,7 @@
 
 #ifndef NORADIUS
 #include "proxy.h"
-#include "libs/md5.h"
+#include <openssl/evp.h>
 
 #define AUTH_VECTOR_LEN         16
 #define MAX_STRING_LEN          254
@@ -183,14 +183,19 @@ char *strNcpy(char *dest, const char *src, int n)
 	return dest;
 }
 
+extern EVP_MD *md4;
+extern EVP_MD *md5;
+
+
 void md5_calc(unsigned char *output, unsigned char *input,
 		     unsigned int inlen)
 {
-	MD5_CTX	context;
-
-	MD5Init(&context);
-	MD5Update(&context, input, inlen);
-	MD5Final(output, &context);
+	EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+	unsigned int len = 0;
+	EVP_DigestInit_ex(ctx, md5, NULL);
+	EVP_DigestUpdate(ctx, input, inlen);
+	EVP_DigestFinal_ex(ctx, output, &len);
+	EVP_MD_CTX_free(ctx);
 }
 
 
diff --git a/src/blake2_compat.h b/src/blake2_compat.h
new file mode 100644
index 0000000..63b5d92
--- /dev/null
+++ b/src/blake2_compat.h
@@ -0,0 +1,76 @@
+#ifndef BLAKE2_COMPAT_H
+#define BLAKE2_COMPAT_H
+
+#if defined(WITH_SSL)
+#include <openssl/opensslv.h>
+#endif
+
+#if defined(WITH_SSL) && OPENSSL_VERSION_NUMBER >= 0x10100000L
+
+#include <openssl/evp.h>
+#include <string.h>
+
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#include <openssl/params.h>
+#include <openssl/core_names.h>
+#endif
+
+/*
+ * OpenSSL 1.1.0+ BLAKE2b implementation.
+ * Provides the same streaming API as libs/blake2.h but uses EVP internally.
+ *
+ * OpenSSL 3.0+: uses OSSL_DIGEST_PARAM_SIZE for proper custom output sizes.
+ * OpenSSL 1.1.x: computes full 64-byte output and truncates in blake2b_final.
+ */
+
+typedef EVP_MD_CTX *blake2b_state;
+
+static int blake2b_init(blake2b_state *S, size_t outlen) {
+    *S = EVP_MD_CTX_new();
+    if (!*S) return -1;
+
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+    size_t sz = outlen;
+    OSSL_PARAM params[2];
+    params[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_SIZE, &sz);
+    params[1] = OSSL_PARAM_construct_end();
+
+    if (!EVP_DigestInit_ex2(*S, EVP_blake2b512(), params)) {
+#else
+    (void)outlen;
+    if (!EVP_DigestInit_ex(*S, EVP_blake2b512(), NULL)) {
+#endif
+        EVP_MD_CTX_free(*S);
+        *S = NULL;
+        return -1;
+    }
+    return 0;
+}
+
+static int blake2b_update(blake2b_state *S, const void *in, size_t inlen) {
+    if (inlen == 0) return 0;
+    return EVP_DigestUpdate(*S, in, inlen) ? 0 : -1;
+}
+
+static int blake2b_final(blake2b_state *S, void *out, size_t outlen) {
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+    unsigned int len = 0;
+    int ret = EVP_DigestFinal_ex(*S, out, &len) ? 0 : -1;
+#else
+    unsigned char tmp[64];
+    unsigned int len = 0;
+    int ret = EVP_DigestFinal_ex(*S, tmp, &len) ? 0 : -1;
+    if (ret == 0) memcpy(out, tmp, outlen);
+#endif
+    EVP_MD_CTX_free(*S);
+    *S = NULL;
+    return ret;
+}
+
+#else
+
+#include "libs/blake2.h"
+
+#endif
+
+#endif /* BLAKE2_COMPAT_H */
diff --git a/src/conf.c b/src/conf.c
index bad0d2e..7ff54e3 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -7,6 +7,9 @@
 */
 
 #include "proxy.h"
+#ifdef WITH_SSL
+void ssl_install(void);
+#endif
 #ifndef _WIN32
 #include <sys/resource.h>
 #include <pwd.h>
@@ -526,9 +529,11 @@ static int h_users(int argc, unsigned char **argv){
         if (arg[1] && arg[2] && arg[3] == ':') {
             pw[1] = (char *)(arg + 4);
             if (arg[1] == 'N' && arg[2] == 'T') {
+#ifdef WITH_SSL
                 if (!pwnt_table.ihashtable && inithashtable(&pwnt_table, 16, 32, 1048576))
                     return 3;
                 hashadd(&pwnt_table, pw, &dummy, MAX_COUNTER_TIME);
+#endif
                 continue;
             }
             if (arg[1] == 'C' && arg[2] == 'R') {
@@ -1447,6 +1452,11 @@ static int h_authcache(int argc, unsigned char **argv){
 }
 
 static int h_plugin(int argc, unsigned char **argv){
+#ifdef WITH_SSL
+	if(argc >= 3 && !strcmp((char *)argv[2], "ssl_plugin")){
+		return 0;
+	}
+#endif
 #ifdef NOPLUGINS
 	return 999;
 #else
@@ -1875,7 +1885,9 @@ void freeconf(struct extparam *confp){
  _3proxy_mutex_unlock(&connlim_mutex);
 
  destroyhashtable(&pw_table);
+#ifdef WITH_SSL
  destroyhashtable(&pwnt_table);
+#endif
  destroyhashtable(&pwcr_table);
 
  confp->logfunc = lognone;
@@ -1946,6 +1958,9 @@ int reload (void){
 	int error = -2;
 
 	_3proxy_mutex_lock(&config_mutex);
+#ifdef WITH_SSL
+	ssl_install();
+#endif
 	conf.paused++;
 	freeconf(&conf);
 	conf.paused++;
diff --git a/src/hashtables.c b/src/hashtables.c
index df8c5d9..1d2acd4 100644
--- a/src/hashtables.c
+++ b/src/hashtables.c
@@ -1,11 +1,13 @@
 #include "proxy.h"
-#include "libs/blake2.h"
+#include "blake2_compat.h"
 
 
 static void char_index2hash(const struct hashtable *ht, void *index, uint8_t *hash){
-    char* name = index;
+    blake2b_state S;
 
-    blake2b(hash, ht->hash_size, index, strlen((const char*)index), NULL, 0);
+    blake2b_init(&S, ht->hash_size);
+    blake2b_update(&S, index, strlen((const char*)index) + 1);
+    blake2b_final(&S, hash, ht->hash_size);
 }
 
 static void param2hash_add(const struct hashtable *ht, void *index, uint8_t *hash){
@@ -36,7 +38,11 @@ void param2hash_search(const struct hashtable *ht, void *index, uint8_t *hash){
 
 static void user2hash_search(const struct hashtable *ht, void *index, uint8_t *hash){
     struct clientparam *param = (struct clientparam *)index;
-    blake2b(hash, ht->hash_size, param->username, strlen((const char *)param->username), NULL, 0);
+    blake2b_state S;
+
+    blake2b_init(&S, ht->hash_size);
+    blake2b_update(&S, param->username, strlen((const char *)param->username) + 1);
+    blake2b_final(&S, hash, ht->hash_size);
 }
 
 static void udpparam2hash(const struct hashtable *ht, void *index, uint8_t *hash){
@@ -80,14 +86,16 @@ static void pwnt2hash_add(const struct hashtable *ht, void *index, uint8_t *hash
 }
 
 
+#ifdef WITH_SSL
 static void pwnt2hash_search(const struct hashtable *ht, void *index, uint8_t *hash){
     struct clientparam *param  = (struct clientparam *)index;
-    unsigned char pass[40];    
+    unsigned char pass[40];
     char *pw[2] = {(char *)param->username, (char *)pass};
 
     ntpwdhash(pass, param->password, 1);
     pwnt2hash_add(ht, pw, hash);
 }
+#endif
 
 
 
@@ -95,5 +103,7 @@ struct hashtable dns_table = {char_index2hash, char_index2hash, 4, 12};
 struct hashtable dns6_table = {char_index2hash, char_index2hash, 16, 12};
 struct hashtable auth_table = {param2hash_add, param2hash_search, sizeof(struct authcache), 12};
 struct hashtable pw_table = {pw2hash_add, pw2hash_search, 0, 12};
+#ifdef WITH_SSL
 struct hashtable pwnt_table = {pwnt2hash_add, pwnt2hash_search, 0, 12};
+#endif
 struct hashtable pwcr_table = {char_index2hash, user2hash_search, 64, 12};
diff --git a/src/libs/md4.c b/src/libs/md4.c
deleted file mode 100644
index e09d340..0000000
--- a/src/libs/md4.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * md4c.c	MD4 message-digest algorithm
- *
- *   License to copy and use this software is granted provided that it
- *   is identified as the "RSA Data Security, Inc. MD4 Message-Digest
- *   Algorithm" in all material mentioning or referencing this software
- *   or this function.
- *
- *   License is also granted to make and use derivative works provided
- *   that such works are identified as "derived from the RSA Data
- *   Security, Inc. MD4 Message-Digest Algorithm" in all material
- *   mentioning or referencing the derived work.
- *
- *   RSA Data Security, Inc. makes no representations concerning either
- *   the merchantability of this software or the suitability of this
- *   software for any particular purpose. It is provided "as is"
- *   without express or implied warranty of any kind.
- *
- *   These notices must be retained in any copies of any part of this
- *   documentation and/or software.
- *
- * Copyright 1990,1991,1992  RSA Data Security, Inc.
- */
-
-
-#include "md4.h"
-
-/* Constants for MD4Transform routine.
- */
-#define S11 3
-#define S12 7
-#define S13 11
-#define S14 19
-#define S21 3
-#define S22 5
-#define S23 9
-#define S24 13
-#define S31 3
-#define S32 9
-#define S33 11
-#define S34 15
-
-static void MD4Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
-static void Encode PROTO_LIST
-  ((unsigned char *, UINT4 *, unsigned int));
-static void Decode PROTO_LIST
-  ((UINT4 *, unsigned char *, unsigned int));
-static void MD4_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
-static void MD4_memset PROTO_LIST ((POINTER, int, unsigned int));
-
-static unsigned char PADDING[64] = {
-  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-/* F, G and H are basic MD4 functions.
- */
-#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
-#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
-#define H(x, y, z) ((x) ^ (y) ^ (z))
-
-/* ROTATE_LEFT rotates x left n bits.
- */
-#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
-/* FF, GG and HH are transformations for rounds 1, 2 and 3 */
-/* Rotation is separate from addition to prevent recomputation */
-
-#define FF(a, b, c, d, x, s) { \
-    (a) += F ((b), (c), (d)) + (x); \
-    (a) = ROTATE_LEFT ((a), (s)); \
-  }
-#define GG(a, b, c, d, x, s) { \
-    (a) += G ((b), (c), (d)) + (x) + (UINT4)0x5a827999; \
-    (a) = ROTATE_LEFT ((a), (s)); \
-  }
-#define HH(a, b, c, d, x, s) { \
-    (a) += H ((b), (c), (d)) + (x) + (UINT4)0x6ed9eba1; \
-    (a) = ROTATE_LEFT ((a), (s)); \
-  }
-
-void md4_calc(unsigned char *output, unsigned char *input, unsigned inlen)
-{
-	MD4_CTX	context;
-
-	MD4Init(&context);
-	MD4Update(&context, input, inlen);
-	MD4Final(output, &context);
-}
-
-/* MD4 initialization. Begins an MD4 operation, writing a new context.
- */
-void MD4Init ( MD4_CTX *context)
-{
-  context->count[0] = context->count[1] = 0;
-
-  /* Load magic initialization constants.
-   */
-  context->state[0] = 0x67452301;
-  context->state[1] = 0xefcdab89;
-  context->state[2] = 0x98badcfe;
-  context->state[3] = 0x10325476;
-}
-
-/* MD4 block update operation. Continues an MD4 message-digest
-     operation, processing another message block, and updating the
-     context.
- */
-void MD4Update (MD4_CTX *context, unsigned char *input, unsigned inputLen)
-{
-  unsigned int i, index, partLen;
-
-  /* Compute number of bytes mod 64 */
-  index = (unsigned int)((context->count[0] >> 3) & 0x3F);
-  /* Update number of bits */
-  if ((context->count[0] += ((UINT4)inputLen << 3))
-      < ((UINT4)inputLen << 3))
-    context->count[1]++;
-  context->count[1] += ((UINT4)inputLen >> 29);
-
-  partLen = 64 - index;
-
-  /* Transform as many times as possible.
-   */
-  if (inputLen >= partLen) {
-    MD4_memcpy
-      ((POINTER)&context->buffer[index], (POINTER)input, partLen);
-    MD4Transform (context->state, context->buffer);
-
-    for (i = partLen; i + 63 < inputLen; i += 64)
-      MD4Transform (context->state, &input[i]);
-
-    index = 0;
-  }
-  else
-    i = 0;
-
-  /* Buffer remaining input */
-  MD4_memcpy
-    ((POINTER)&context->buffer[index], (POINTER)&input[i],
-     inputLen-i);
-}
-
-/* MD4 finalization. Ends an MD4 message-digest operation, writing the
-     the message digest and zeroizing the context.
- */
-void MD4Final (unsigned char digest[16],  MD4_CTX *context)
-{
-  unsigned char bits[8];
-  unsigned int index, padLen;
-
-  /* Save number of bits */
-  Encode (bits, context->count, 8);
-
-  /* Pad out to 56 mod 64.
-   */
-  index = (unsigned int)((context->count[0] >> 3) & 0x3f);
-  padLen = (index < 56) ? (56 - index) : (120 - index);
-  MD4Update (context, PADDING, padLen);
-
-  /* Append length (before padding) */
-  MD4Update (context, bits, 8);
-  /* Store state in digest */
-  Encode (digest, context->state, 16);
-
-  /* Zeroize sensitive information.
-   */
-  MD4_memset ((POINTER)context, 0, sizeof (*context));
-}
-
-/* MD4 basic transformation. Transforms state based on block.
- */
-static void MD4Transform (UINT4 state[4], unsigned char block[64])
-{
-  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
-  Decode (x, block, 64);
-
-  /* Round 1 */
-  FF (a, b, c, d, x[ 0], S11); /* 1 */
-  FF (d, a, b, c, x[ 1], S12); /* 2 */
-  FF (c, d, a, b, x[ 2], S13); /* 3 */
-  FF (b, c, d, a, x[ 3], S14); /* 4 */
-  FF (a, b, c, d, x[ 4], S11); /* 5 */
-  FF (d, a, b, c, x[ 5], S12); /* 6 */
-  FF (c, d, a, b, x[ 6], S13); /* 7 */
-  FF (b, c, d, a, x[ 7], S14); /* 8 */
-  FF (a, b, c, d, x[ 8], S11); /* 9 */
-  FF (d, a, b, c, x[ 9], S12); /* 10 */
-  FF (c, d, a, b, x[10], S13); /* 11 */
-  FF (b, c, d, a, x[11], S14); /* 12 */
-  FF (a, b, c, d, x[12], S11); /* 13 */
-  FF (d, a, b, c, x[13], S12); /* 14 */
-  FF (c, d, a, b, x[14], S13); /* 15 */
-  FF (b, c, d, a, x[15], S14); /* 16 */
-
-  /* Round 2 */
-  GG (a, b, c, d, x[ 0], S21); /* 17 */
-  GG (d, a, b, c, x[ 4], S22); /* 18 */
-  GG (c, d, a, b, x[ 8], S23); /* 19 */
-  GG (b, c, d, a, x[12], S24); /* 20 */
-  GG (a, b, c, d, x[ 1], S21); /* 21 */
-  GG (d, a, b, c, x[ 5], S22); /* 22 */
-  GG (c, d, a, b, x[ 9], S23); /* 23 */
-  GG (b, c, d, a, x[13], S24); /* 24 */
-  GG (a, b, c, d, x[ 2], S21); /* 25 */
-  GG (d, a, b, c, x[ 6], S22); /* 26 */
-  GG (c, d, a, b, x[10], S23); /* 27 */
-  GG (b, c, d, a, x[14], S24); /* 28 */
-  GG (a, b, c, d, x[ 3], S21); /* 29 */
-  GG (d, a, b, c, x[ 7], S22); /* 30 */
-  GG (c, d, a, b, x[11], S23); /* 31 */
-  GG (b, c, d, a, x[15], S24); /* 32 */
-
-  /* Round 3 */
-  HH (a, b, c, d, x[ 0], S31); /* 33 */
-  HH (d, a, b, c, x[ 8], S32); /* 34 */
-  HH (c, d, a, b, x[ 4], S33); /* 35 */
-  HH (b, c, d, a, x[12], S34); /* 36 */
-  HH (a, b, c, d, x[ 2], S31); /* 37 */
-  HH (d, a, b, c, x[10], S32); /* 38 */
-  HH (c, d, a, b, x[ 6], S33); /* 39 */
-  HH (b, c, d, a, x[14], S34); /* 40 */
-  HH (a, b, c, d, x[ 1], S31); /* 41 */
-  HH (d, a, b, c, x[ 9], S32); /* 42 */
-  HH (c, d, a, b, x[ 5], S33); /* 43 */
-  HH (b, c, d, a, x[13], S34); /* 44 */
-  HH (a, b, c, d, x[ 3], S31); /* 45 */
-  HH (d, a, b, c, x[11], S32); /* 46 */
-  HH (c, d, a, b, x[ 7], S33); /* 47 */
-  HH (b, c, d, a, x[15], S34); /* 48 */
-
-  state[0] += a;
-  state[1] += b;
-  state[2] += c;
-  state[3] += d;
-
-  /* Zeroize sensitive information.
-   */
-  MD4_memset ((POINTER)x, 0, sizeof (x));
-}
-
-/* Encodes input (UINT4) into output (unsigned char). Assumes len is
-     a multiple of 4.
- */
-static void Encode (unsigned char *output, UINT4 *input, unsigned len)
-{
-  unsigned int i, j;
-
-  for (i = 0, j = 0; j < len; i++, j += 4) {
-    output[j] = (unsigned char)(input[i] & 0xff);
-    output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
-    output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
-    output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
-  }
-}
-
-/* Decodes input (unsigned char) into output (UINT4). Assumes len is
-     a multiple of 4.
- */
-static void Decode (UINT4 *output, unsigned char *input, unsigned len)
-
-{
-  unsigned int i, j;
-
-  for (i = 0, j = 0; j < len; i++, j += 4)
-    output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
-      (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
-}
-
-/* Note: Replace "for loop" with standard memcpy if possible.
- */
-static void MD4_memcpy (POINTER output, POINTER input, unsigned len)
-{
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
-    output[i] = input[i];
-}
-
-/* Note: Replace "for loop" with standard memset if possible.
- */
-static void MD4_memset (POINTER output, int value, unsigned len)
-{
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
-    ((char *)output)[i] = (char)value;
-}
diff --git a/src/libs/md4.h b/src/libs/md4.h
deleted file mode 100644
index de07d79..0000000
--- a/src/libs/md4.h
+++ /dev/null
@@ -1,83 +0,0 @@
-#ifndef _LRAD_MD4_H
-#define _LRAD_MD4_H
-
-#ifndef _LRAD_PROTO_H
-#define _LRAD_PROTO_H
-/* GLOBAL.H - RSAREF types and constants
- */
-
-/* PROTOTYPES should be set to one if and only if the compiler supports
-  function argument prototyping.
-  The following makes PROTOTYPES default to 0 if it has not already
-  been defined with C compiler flags.
- */
-#ifndef PROTOTYPES
-#  if __STDC__
-#    define PROTOTYPES 1
-#  else
-#    define PROTOTYPES 0
-#  endif
-#endif
-
-/* POINTER defines a generic pointer type */
-typedef unsigned char *POINTER;
-#define _POINTER_T
-
-/* UINT2 defines a two byte word */
-typedef unsigned short int UINT2;
-#define _UINT2_T
-
-/* UINT4 defines a four byte word */
-typedef unsigned int UINT4;
-#define _UINT4_T
-
-/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
-   If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
-  returns an empty list.
- */
-#if PROTOTYPES
-#define PROTO_LIST(list) list
-#else
-#define PROTO_LIST(list) ()
-#endif
-#endif /* _LRAD_PROTO_H */
-
-/* MD4.H - header file for MD4C.C
- */
-
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-   rights reserved.
-
-   License to copy and use this software is granted provided that it
-   is identified as the "RSA Data Security, Inc. MD4 Message-Digest
-   Algorithm" in all material mentioning or referencing this software
-   or this function.
-
-   License is also granted to make and use derivative works provided
-   that such works are identified as "derived from the RSA Data
-   Security, Inc. MD4 Message-Digest Algorithm" in all material
-   mentioning or referencing the derived work.
-
-   RSA Data Security, Inc. makes no representations concerning either
-   the merchantability of this software or the suitability of this
-   software for any particular purpose. It is provided "as is"
-   without express or implied warranty of any kind.
-
-   These notices must be retained in any copies of any part of this
-   documentation and/or software.
- */
-
-/* MD4 context. */
-typedef struct {
-  UINT4 state[4];                                   /* state (ABCD) */
-  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
-  unsigned char buffer[64];                         /* input buffer */
-} MD4_CTX;
-
-void md4_calc (unsigned char *, unsigned char *, unsigned int);
-void MD4Init PROTO_LIST ((MD4_CTX *));
-void MD4Update PROTO_LIST
-  ((MD4_CTX *, unsigned char *, unsigned int));
-void MD4Final PROTO_LIST ((unsigned char [16], MD4_CTX *));
-
-#endif /* _LRAD_MD4_H */
diff --git a/src/libs/md5.c b/src/libs/md5.c
deleted file mode 100644
index 09d8559..0000000
--- a/src/libs/md5.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
- */
-
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
- */
-
-#include "md5.h"
-
-/* Constants for MD5Transform routine.
- */
-#define S11 7
-#define S12 12
-#define S13 17
-#define S14 22
-#define S21 5
-#define S22 9
-#define S23 14
-#define S24 20
-#define S31 4
-#define S32 11
-#define S33 16
-#define S34 23
-#define S41 6
-#define S42 10
-#define S43 15
-#define S44 21
-
-void librad_md5_calc(unsigned char *output, unsigned char *input,
-		     unsigned int inputlen);
-static void MD5Transform PROTO_LIST ((UINT4 [4], const unsigned char [64]));
-static void Encode PROTO_LIST
-  ((unsigned char *, UINT4 *, unsigned int));
-static void Decode PROTO_LIST
-  ((UINT4 *, const unsigned char *, unsigned int));
-static void MD5_memcpy PROTO_LIST ((POINTER, CONSTPOINTER, unsigned int));
-static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
-
-static const unsigned char PADDING[64] = {
-  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-/* F, G, H and I are basic MD5 functions.
- */
-#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
-#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
-#define H(x, y, z) ((x) ^ (y) ^ (z))
-#define I(x, y, z) ((y) ^ ((x) | (~z)))
-
-/* ROTATE_LEFT rotates x left n bits.
- */
-#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
-/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
-Rotation is separate from addition to prevent recomputation.
- */
-#define FF(a, b, c, d, x, s, ac) { \
- (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define GG(a, b, c, d, x, s, ac) { \
- (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define HH(a, b, c, d, x, s, ac) { \
- (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define II(a, b, c, d, x, s, ac) { \
- (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-
-void librad_md5_calc(unsigned char *output, unsigned char *input,
-		     unsigned int inlen)
-{
-	MD5_CTX	context;
-
-	MD5Init(&context);
-	MD5Update(&context, input, inlen);
-	MD5Final(output, &context);
-}
-
-/* MD5 initialization. Begins an MD5 operation, writing a new context.
- */
-void MD5Init (MD5_CTX *context)
-{
-  context->count[0] = context->count[1] = 0;
-  /* Load magic initialization constants.
-*/
-  context->state[0] = 0x67452301;
-  context->state[1] = 0xefcdab89;
-  context->state[2] = 0x98badcfe;
-  context->state[3] = 0x10325476;
-}
-
-/* MD5 block update operation. Continues an MD5 message-digest
-  operation, processing another message block, and updating the
-  context.
- */
-void MD5Update (MD5_CTX *context, const unsigned char *input, unsigned inputLen)
-{
-  unsigned int i, index, partLen;
-
-  /* Compute number of bytes mod 64 */
-  index = (unsigned int)((context->count[0] >> 3) & 0x3F);
-
-  /* Update number of bits */
-  if ((context->count[0] += ((UINT4)inputLen << 3))
-   < ((UINT4)inputLen << 3))
- context->count[1]++;
-  context->count[1] += ((UINT4)inputLen >> 29);
-
-  partLen = 64 - index;
-
-  /* Transform as many times as possible.
-*/
-  if (inputLen >= partLen) {
- MD5_memcpy
-   ((POINTER)&context->buffer[index], (CONSTPOINTER)input, partLen);
- MD5Transform (context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
-   MD5Transform (context->state, &input[i]);
-
- index = 0;
-  }
-  else
- i = 0;
-
-  /* Buffer remaining input */
-  MD5_memcpy
- ((POINTER)&context->buffer[index], (CONSTPOINTER)&input[i],
-  inputLen-i);
-}
-
-/* MD5 finalization. Ends an MD5 message-digest operation, writing the
-  the message digest and zeroizing the context.
- */
-void MD5Final (unsigned char digest[16], MD5_CTX *context)
-{
-  unsigned char bits[8];
-  unsigned int index, padLen;
-
-  /* Save number of bits */
-  Encode (bits, context->count, 8);
-
-  /* Pad out to 56 mod 64.
-*/
-  index = (unsigned int)((context->count[0] >> 3) & 0x3f);
-  padLen = (index < 56) ? (56 - index) : (120 - index);
-  MD5Update (context, PADDING, padLen);
-
-  /* Append length (before padding) */
-  MD5Update (context, bits, 8);
-
-  /* Store state in digest */
-  Encode (digest, context->state, 16);
-
-  /* Zeroize sensitive information.
-*/
-  MD5_memset ((POINTER)context, 0, sizeof (*context));
-}
-
-/* MD5 basic transformation. Transforms state based on block.
- */
-static void MD5Transform (UINT4 state[4], const unsigned char block[64])
-{
-  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
-  Decode (x, block, 64);
-
-  /* Round 1 */
-  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
-  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
-  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
-  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
-  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
-  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
-  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
-  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
-  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
-  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
-  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
-  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
-  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
-  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
-  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
-  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
-
- /* Round 2 */
-  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
-  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
-  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
-  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
-  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
-  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
-  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
-  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
-  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
-  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
-  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
-  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
-  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
-  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
-  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
-  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
-
-  /* Round 3 */
-  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
-  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
-  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
-  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
-  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
-  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
-  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
-  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
-  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
-  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
-  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
-  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
-  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
-  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
-  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
-  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
-
-  /* Round 4 */
-  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
-  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
-  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
-  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
-  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
-  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
-  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
-  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
-  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
-  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
-  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
-  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
-  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
-  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
-  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
-  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
-
-  state[0] += a;
-  state[1] += b;
-  state[2] += c;
-  state[3] += d;
-
-  /* Zeroize sensitive information.
-*/
-  MD5_memset ((POINTER)x, 0, sizeof (x));
-}
-
-/* Encodes input (UINT4) into output (unsigned char). Assumes len is
-  a multiple of 4.
- */
-static void Encode (unsigned char *output, UINT4 *input, unsigned len)
-{
-  unsigned int i, j;
-
-  for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (unsigned char)(input[i] & 0xff);
- output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
- output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
- output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
-  }
-}
-
-/* Decodes input (unsigned char) into output (UINT4). Assumes len is
-  a multiple of 4.
- */
-static void Decode (UINT4 *output, const unsigned char *input, unsigned len)
-{
-  unsigned int i, j;
-
-  for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
-   (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
-}
-
-/* Note: Replace "for loop" with standard memcpy if possible.
- */
-
-static void MD5_memcpy (POINTER output, CONSTPOINTER input, unsigned len)
-{
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
- output[i] = input[i];
-}
-
-/* Note: Replace "for loop" with standard memset if possible.
- */
-static void MD5_memset (POINTER output, int value, unsigned len)
-{
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
- ((char *)output)[i] = (char)value;
-}
diff --git a/src/libs/md5.h b/src/libs/md5.h
deleted file mode 100644
index 9209cde..0000000
--- a/src/libs/md5.h
+++ /dev/null
@@ -1,94 +0,0 @@
-#ifndef _LRAD_MD5_H
-#define _LRAD_MD5_H
-
-#ifndef _LRAD_PROTO_H
-#define _LRAD_PROTO_H
-/* GLOBAL.H - RSAREF types and constants
- */
-
-/* PROTOTYPES should be set to one if and only if the compiler supports
-  function argument prototyping.
-  The following makes PROTOTYPES default to 0 if it has not already
-  been defined with C compiler flags.
- */
-#ifndef PROTOTYPES
-#  if __STDC__
-#    define PROTOTYPES 1
-#  else
-#    define PROTOTYPES 0
-#  endif
-#endif
-
-/* POINTER defines a generic pointer type */
-#ifndef _POINTER_T
-typedef unsigned char *POINTER;
-#endif
-typedef const unsigned char *CONSTPOINTER;
-
-/* UINT2 defines a two byte word */
-#ifndef _UINT2_T
-typedef unsigned short int UINT2;
-#endif
-
-/* UINT4 defines a four byte word */
-#ifndef _UINT4_T
-typedef unsigned int UINT4;
-#endif
-
-/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
-   If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
-  returns an empty list.
- */
-#if PROTOTYPES
-#define PROTO_LIST(list) list
-#else
-#define PROTO_LIST(list) ()
-#endif
-#endif /* _LRAD_PROTO_H */
-
-/*
- *  FreeRADIUS defines to ensure globally unique MD5 function names,
- *  so that we don't pick up vendor-specific broken MD5 libraries.
- */
-#define MD5_CTX		librad_MD5_CTX
-#define MD5Init		librad_MD5Init
-#define MD5Update	librad_MD5Update
-#define MD5Final       	librad_MD5Final
-
-/* MD5.H - header file for MD5C.C
- */
-
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
- */
-
-/* MD5 context. */
-typedef struct {
-  UINT4 state[4];                                   /* state (ABCD) */
-  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
-  unsigned char buffer[64];                         /* input buffer */
-} MD5_CTX;
-
-void MD5Init PROTO_LIST ((MD5_CTX *));
-void MD5Update PROTO_LIST
-  ((MD5_CTX *, const unsigned char *, unsigned int));
-void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
-#endif /* _LRAD_MD5_H */
diff --git a/src/plugins/SSLPlugin/CMakeLists.txt b/src/plugins/SSLPlugin/CMakeLists.txt
deleted file mode 100644
index 30b4e13..0000000
--- a/src/plugins/SSLPlugin/CMakeLists.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-# SSLPlugin - requires OpenSSL
-
-if(NOT TARGET OpenSSL::SSL)
-    message(STATUS "SSLPlugin requires OpenSSL, skipping")
-    return()
-endif()
-
-add_3proxy_plugin(SSLPlugin
-    SOURCES
-        ssl_plugin.c
-        my_ssl.c
-    LIBRARIES
-        OpenSSL::SSL
-        OpenSSL::Crypto
-    COMPILE_DEFINITIONS
-        WITH_SSL
-)
diff --git a/src/plugins/SSLPlugin/Makefile b/src/plugins/SSLPlugin/Makefile
deleted file mode 100644
index e7c51ad..0000000
--- a/src/plugins/SSLPlugin/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-include Makefile.var
diff --git a/src/plugins/SSLPlugin/Makefile.inc b/src/plugins/SSLPlugin/Makefile.inc
deleted file mode 100644
index 1afc984..0000000
--- a/src/plugins/SSLPlugin/Makefile.inc
+++ /dev/null
@@ -1,14 +0,0 @@
-all: $(BUILDDIR)SSLPlugin$(DLSUFFICS)
-
-
-
-ssl_plugin$(OBJSUFFICS): ssl_plugin.c
-	$(CC) $(DCFLAGS) $(CFLAGS) ssl_plugin.c
-
-my_ssl$(OBJSUFFICS): my_ssl.c
-	$(CC) $(DCFLAGS) $(CFLAGS) my_ssl.c
-
-
-$(BUILDDIR)SSLPlugin$(DLSUFFICS): ssl_plugin$(OBJSUFFICS) my_ssl$(OBJSUFFICS)
-	$(LN) $(LNOUT)../../$(BUILDDIR)SSLPlugin$(DLSUFFICS) $(LDFLAGS) $(DLFLAGS) ssl_plugin$(OBJSUFFICS) my_ssl$(OBJSUFFICS) $(LIBS) 
-	
\ No newline at end of file
diff --git a/src/proxy.h b/src/proxy.h
index a692a57..245f12a 100644
--- a/src/proxy.h
+++ b/src/proxy.h
@@ -15,6 +15,12 @@
 #ifndef _3PROXY_H_
 #define _3PROXY_H_
 #include "version.h"
+
+#ifndef WITH_SSL
+#ifndef NORADIUS
+#define NORADIUS
+#endif
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -232,7 +238,9 @@ extern int paused;
 extern int demon;
 
 unsigned char * mycrypt(const unsigned char *key, const unsigned char *salt, unsigned char *buf);
+#ifdef WITH_SSL
 unsigned char * ntpwdhash (unsigned char *szHash, const unsigned char *szPassword, int tohex);
+#endif
 int de64 (const unsigned char *in, unsigned char *out, int maxlen);
 unsigned char* en64 (const unsigned char *in, unsigned char *out, int inlen);
 void tohex(unsigned char *in, unsigned char *out, int len);
diff --git a/src/plugins/SSLPlugin/ssl_plugin.c b/src/ssl.c
similarity index 96%
rename from src/plugins/SSLPlugin/ssl_plugin.c
rename to src/ssl.c
index 8d5a4ed..d2a1bd6 100644
--- a/src/plugins/SSLPlugin/ssl_plugin.c
+++ b/src/ssl.c
@@ -5,23 +5,19 @@
 
 */
 
-#include "../../structures.h"
+#include "structures.h"
 #include <openssl/crypto.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
-#include "../../proxy.h"
-#include "my_ssl.h"
+#include "proxy.h"
+#include "ssl.h"
 
 #ifndef _WIN32
 #define WINAPI
 #endif
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
 #ifndef isnumber
 #define isnumber(i_n_arg) ((i_n_arg>='0')&&(i_n_arg<='9'))
 #endif
@@ -62,11 +58,6 @@ static char * server_cipher_list = NULL;
 static char * client_sni = NULL;
 static int client_mode = 0;
 
-typedef struct _ssl_conn {
-	SSL_CTX *ctx;
-	SSL *ssl;
-} ssl_conn;
-
 
 struct SSLsock {
 	SOCKET s;
@@ -92,8 +83,8 @@ static struct SSLsock *searchSSL(void* state, SOCKET s){
 #define SOSTATE ((struct SSLstate *)(param->sostate))
 
 static void addSSL(
-    SOCKET cli_s, SSL_CONN cli_conn, 
-    SOCKET srv_s, SSL_CONN srv_conn, 
+    SOCKET cli_s, SSL_CONN cli_conn,
+    SOCKET srv_s, SSL_CONN srv_conn,
     struct clientparam* param){
 	if(!param->sostate) return;
 	if (cli_s != INVALID_SOCKET){
@@ -264,7 +255,7 @@ SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config,
     }
     if(hostname && *hostname && config->client_verify){
         X509_VERIFY_PARAM *param;
-        
+
         param = SSL_get0_param(conn->ssl);
         X509_VERIFY_PARAM_set1_host(param, hostname, strlen(hostname));
     }
@@ -305,7 +296,7 @@ SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config,
 
     if(server_cert){
         X509 *cert;
-        cert = SSL_get_peer_certificate(conn->ssl);     
+        cert = SSL_get_peer_certificate(conn->ssl);
         if(!cert) {
 	ssl_conn_free(conn);
 	return NULL;
@@ -375,7 +366,7 @@ SSL_CONN ssl_handshake_to_client(SOCKET s, SSL_CONFIG *config, X509 *server_cert
 	return NULL;
     }
 
-    cert = SSL_get_peer_certificate(conn->ssl);     
+    cert = SSL_get_peer_certificate(conn->ssl);
 
     if ( cert != NULL )
 	X509_free(cert);
@@ -424,7 +415,7 @@ int domitm(struct clientparam* param){
  }
 
  ClientConn = ssl_handshake_to_client(param->clisock, PCONF, FakeCert, PCONF->server_key?PCONF->server_key:PCONF->CA_key, &errSSL);
- 
+
  _ssl_cert_free(FakeCert);
  if ( ClientConn == NULL ) {
 	param->res = 8012;
@@ -462,7 +453,7 @@ int docli(struct clientparam* param){
 X509 * getCert (const char *fname){
     BIO *f;
     X509 *CA_cert;
-    
+
     f = BIO_new_file(fname, "r");
     if(!f) return NULL;
     CA_cert=PEM_read_bio_X509(f, NULL, NULL, NULL);
@@ -478,7 +469,7 @@ EVP_PKEY * getKey(const char *fname){
     if(!f) return NULL;
     key = PEM_read_bio_PrivateKey(f, NULL, NULL, NULL);
     BIO_free(f);
-    
+
     return key;
 }
 
@@ -532,8 +523,8 @@ SSL_CTX * ssl_cli_ctx(SSL_CONFIG *config, X509 *server_cert, EVP_PKEY *server_ke
                 else if(config->server_ca_store){
                     SSL_CTX_load_verify_store(ctx, config->server_ca_store);
                 }
-#endif          
-                else 
+#endif
+                else
                     SSL_CTX_set_default_verify_paths(ctx);
                 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|SSL_VERIFY_CLIENT_ONCE, NULL);
     }
@@ -545,7 +536,7 @@ static void* ssl_filter_open(void * idata, struct srvparam * srv){
 	char fname[256];
 	char *errSSL;
 	struct ssl_config *sc;
-	
+
 	sc = malloc(sizeof(struct ssl_config));
 	if(!sc) return NULL;
 	memset(sc, 0, sizeof(struct ssl_config));
@@ -689,8 +680,8 @@ static void* ssl_filter_open(void * idata, struct srvparam * srv){
 		else if(sc->client_ca_store){
 		    SSL_CTX_load_verify_store(sc->srv_ctx, sc->client_ca_store);
 		}
-#endif		
-		else 
+#endif
+		else
 		    SSL_CTX_set_default_verify_paths(sc->srv_ctx);
 		    SSL_CTX_set_verify(sc->srv_ctx, SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT, NULL);
 	    }
@@ -777,7 +768,7 @@ static FILTER_ACTION ssl_parent(struct clientparam * param){
 
 static void ssl_filter_clear(void *state){
     struct clientparam *param;
-    
+
     if(!state) return;
     param = STATE->param;
     free(state);
@@ -834,13 +825,13 @@ static struct filter ssl_filter = {
 	"ssl_filter",
 	ssl_filter_open,
 	ssl_filter_client,
-	NULL, 
-	ssl_filter_connect, 
-	ssl_filter_afterauth, 
-	NULL, NULL, 
+	NULL,
+	ssl_filter_connect,
+	ssl_filter_afterauth,
+	NULL, NULL,
 	ssl_filter_predata,
 	NULL, NULL,
-	ssl_filter_clear, 
+	ssl_filter_clear,
 	ssl_filter_close
 };
 
@@ -1027,7 +1018,7 @@ static int h_client_alpn(int argc, unsigned char **argv){
 
     for(len = 0, i = 1; i < argc; i++){
 	int l;
-	
+
 	l = strlen((char *)argv[i]);
 	if(l >= 255) return 2;
 	client_alpn_protos.protos[len++] = l;
@@ -1084,7 +1075,7 @@ int string_to_version(unsigned char *ver){
 	if(!strcasecmp(versions[i].sver, (char *)ver)) return versions[i].iver;
     }
     return 0;
-} 
+}
 
 static int h_client_min_proto_version(int argc, unsigned char **argv){
 	client_min_proto_version = argc>1? string_to_version(argv[1]) : 0;
@@ -1178,21 +1169,13 @@ static struct symbol ssl_symbols[] = {
 };
 
 
-#ifdef WATCOM
-#pragma aux ssl_plugin "*" parm caller [ ] value struct float struct routine [eax] modify [eax ecx edx]
-#undef PLUGINCALL
-#define PLUGINCALL
-#endif
-
-PLUGINAPI int PLUGINCALL ssl_plugin (struct pluginlink * pluginlink, 
-					 int argc, char** argv){
-
+void ssl_install(void){
 
 	h_nomitm(0, NULL);
 	h_noserv(0, NULL);
 	h_nocli(0, NULL);
 
-	pl = pluginlink;
+	pl = &pluginlink;
 
 	free(certcache);
 	certcache = NULL;
@@ -1244,18 +1227,13 @@ PLUGINAPI int PLUGINCALL ssl_plugin (struct pluginlink * pluginlink,
 		pl->symbols.next = ssl_symbols;
 	}
 
-	tcppmfunc = (PROXYFUNC)pl->findbyname("tcppm");	
-	if(!tcppmfunc){return 13;}
-	proxyfunc = (PROXYFUNC)pl->findbyname("proxy");	
+	tcppmfunc = (PROXYFUNC)pl->findbyname("tcppm");
+	if(!tcppmfunc) return;
+	proxyfunc = (PROXYFUNC)pl->findbyname("proxy");
 	if(!proxyfunc)proxyfunc = tcppmfunc;
-	smtppfunc = (PROXYFUNC)pl->findbyname("smtpp");	
+	smtppfunc = (PROXYFUNC)pl->findbyname("smtpp");
 	if(!smtppfunc)smtppfunc = tcppmfunc;
-	ftpprfunc = (PROXYFUNC)pl->findbyname("ftppr");	
+	ftpprfunc = (PROXYFUNC)pl->findbyname("ftppr");
 	if(!ftpprfunc)ftpprfunc = tcppmfunc;
 
-	return 0;
-		
  }
-#ifdef  __cplusplus
-}
-#endif
diff --git a/src/plugins/SSLPlugin/my_ssl.h b/src/ssl.h
similarity index 89%
rename from src/plugins/SSLPlugin/my_ssl.h
rename to src/ssl.h
index 3f2cc51..ff7468a 100644
--- a/src/plugins/SSLPlugin/my_ssl.h
+++ b/src/ssl.h
@@ -1,5 +1,5 @@
-#ifndef __my_ssl_h__
-#define __my_ssl_h__
+#ifndef __ssl_h__
+#define __ssl_h__
 
 //
 // opaque connection structure
@@ -10,6 +10,11 @@ typedef void *SSL_CONN;
 //
 typedef void *SSL_CERT;
 
+typedef struct _ssl_conn {
+	SSL_CTX *ctx;
+	SSL *ssl;
+} ssl_conn;
+
 struct alpn {
     unsigned char *protos;
     unsigned int protos_len;
@@ -65,7 +70,7 @@ SSL_CONN ssl_handshake_to_client(SOCKET s, SSL_CONFIG *config, X509 *server_cert
 SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config, SSL_CERT *server_cert, char **errSSL);
 
 //
-// SSL/TLS Read/Write       
+// SSL/TLS Read/Write
 //
 int ssl_read(SSL_CONN connection, void * buf, int bufsize);
 int ssl_write(SSL_CONN connection, void * buf, int bufsize);
@@ -83,5 +88,10 @@ void _ssl_cert_free(SSL_CERT cert);
 void ssl_init(void);
 char * getSSLErr(void);
 
+//
+// Built-in SSL installation (called from 3proxy.c)
+//
+void ssl_install(void);
+
 extern struct sockfuncs sso;
-#endif // __my_ssl_h__
\ No newline at end of file
+#endif // __ssl_h__
diff --git a/src/plugins/SSLPlugin/my_ssl.c b/src/ssllib.c
similarity index 86%
rename from src/plugins/SSLPlugin/my_ssl.c
rename to src/ssllib.c
index f76bd52..8f08e83 100644
--- a/src/plugins/SSLPlugin/my_ssl.c
+++ b/src/ssllib.c
@@ -7,7 +7,7 @@
 
 #define _CRT_SECURE_NO_WARNINGS
 
-#include "../../structures.h"
+#include "structures.h"
 #include <memory.h>
 #include <fcntl.h>
 #ifndef _WIN32
@@ -20,27 +20,21 @@
 #include <openssl/pem.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
+#include <openssl/provider.h>
 
-#include "../../proxy.h"
-#include "my_ssl.h"
+#include "proxy.h"
+#include "ssl.h"
 
 
-
-
-typedef struct _ssl_conn {
-	SSL_CTX *ctx;
-	SSL *ssl;
-} ssl_conn;
-
 _3proxy_mutex_t ssl_file_mutex;
 
 
 static char errbuf[256];
 
-static char hexMap[] = { 
-                          '0', '1', '2', '3', '4', '5', '6', '7', 
+static char hexMap[] = {
+                          '0', '1', '2', '3', '4', '5', '6', '7',
                           '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
-                        }; 
+                        };
 
 static BIO *bio_err=NULL;
 
@@ -50,25 +44,25 @@ char * getSSLErr(){
     return ERR_error_string(ERR_get_error(), errbuf);
 }
 
-static size_t bin2hex (const unsigned char* bin, size_t bin_length, char* str, size_t str_length) 
+static size_t bin2hex (const unsigned char* bin, size_t bin_length, char* str, size_t str_length)
 {
 	char *p;
 	size_t i;
-	
-	if ( str_length < ( (bin_length*2)+1) ) 
-		return 0; 
 
-	p = str; 
-	for ( i=0; i < bin_length; ++i )  
-	{ 
-		*p++ = hexMap[(*(unsigned char *)bin) >> 4];  
-		*p++ = hexMap[(*(unsigned char *)bin) & 0xf]; 
+	if ( str_length < ( (bin_length*2)+1) )
+		return 0;
+
+	p = str;
+	for ( i=0; i < bin_length; ++i )
+	{
+		*p++ = hexMap[(*(unsigned char *)bin) >> 4];
+		*p++ = hexMap[(*(unsigned char *)bin) & 0xf];
 		++bin;
-	} 
-	
-	*p = 0; 
+	}
 
-	return p - str; 
+	*p = 0;
+
+	return p - str;
 }
 
 static int add_ext(X509 *cert, int nid, char *value)
@@ -227,11 +221,11 @@ void _ssl_cert_free(SSL_CERT cert)
 }
 
 
- 
-/* This array will store all of the mutexes available to OpenSSL. */ 
+
+/* This array will store all of the mutexes available to OpenSSL. */
 static _3proxy_mutex_t *mutex_buf= NULL;
- 
- 
+
+
 static void locking_function(int mode, int n, const char * file, int line)
 {
   if (mode & CRYPTO_LOCK)
@@ -239,7 +233,7 @@ static void locking_function(int mode, int n, const char * file, int line)
   else
     _3proxy_mutex_unlock(mutex_buf + n);
 }
- 
+
 static unsigned long id_function(void)
 {
 #ifdef _WIN32
@@ -248,11 +242,11 @@ static unsigned long id_function(void)
   return ((unsigned long)pthread_self());
 #endif
 }
- 
+
 int thread_setup(void)
 {
   int i;
- 
+
   mutex_buf = malloc(CRYPTO_num_locks(  ) * sizeof(_3proxy_mutex_t));
   if (!mutex_buf)
     return 0;
@@ -262,11 +256,11 @@ int thread_setup(void)
   CRYPTO_set_locking_callback(locking_function);
   return 1;
 }
- 
+
 int thread_cleanup(void)
 {
   int i;
- 
+
   if (!mutex_buf)
     return 0;
   CRYPTO_set_id_callback(NULL);
@@ -284,15 +278,31 @@ int ssl_file_init = 0;
 
 int ssl_init_done = 0;
 
+OSSL_LIB_CTX *library_ctx = NULL;
+extern EVP_MD *md4;
+extern EVP_MD *md5;
+
+
 void ssl_init()
 {
 	if(!ssl_init_done){
+	    
 	    ssl_init_done = 1;
 	    thread_setup();
 	    SSLeay_add_ssl_algorithms();
 	    SSL_load_error_strings();
 	    _3proxy_mutex_init(&ssl_file_mutex);
 	    bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
-	}
+	    library_ctx = OSSL_LIB_CTX_new();
+	    OSSL_PROVIDER_load(library_ctx, "legacy");
+	    OSSL_PROVIDER_load(library_ctx, "default");
+	    md4 = EVP_MD_fetch(library_ctx, "MD4", NULL);
+	    if (md4 == NULL) {
+    		printf("Error fetching MD4\n");
+	    }
+	    md5 = EVP_MD_fetch(library_ctx, "MD5", NULL);
+	    if (md5 == NULL) {
+    		printf("Error fetching MD5\n");
+	    }
+    	}
 }
-
diff --git a/src/structures.h b/src/structures.h
index 225c1f2..602c178 100644
--- a/src/structures.h
+++ b/src/structures.h
@@ -771,7 +771,9 @@ extern struct hashtable dns_table;
 extern struct hashtable dns6_table;
 extern struct hashtable auth_table;
 extern struct hashtable pw_table;
+#ifdef WITH_SSL
 extern struct hashtable pwnt_table;
+#endif
 extern struct hashtable pwcr_table;
 extern struct hashtable udp_table;