Disable some algorithms by default
[openssl.git] / util / mkdef.pl
index f9e9f748f1a09466f19b649f3e889034d2e76714..03c8d805752b6ceebd0ec6a23d10048cc434744f 100755 (executable)
@@ -63,8 +63,8 @@ my $linux=0;
 my $safe_stack_def = 0;
 
 my @known_platforms = ( "__FreeBSD__", "PERL5",
-                       "EXPORT_VAR_AS_FUNCTION", "ZLIB",
-                       "OPENSSL_FIPS", "OPENSSL_FIPSCAPABLE" );
+                       "EXPORT_VAR_AS_FUNCTION", "ZLIB"
+                       );
 my @known_ossl_platforms = ( "VMS", "WIN32", "WINNT", "OS2" );
 my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
                         "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
@@ -81,6 +81,7 @@ my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
                         "LOCKING",
                         # External "algorithms"
                         "FP_API", "STDIO", "SOCK", "DGRAM",
+                         "CRYPTO_MDEBUG",
                         # Engines
                          "STATIC_ENGINE", "ENGINE", "HW", "GMP",
                          # X.509v3 Signed Certificate Timestamps
@@ -100,7 +101,9 @@ my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
                         # NEXTPROTONEG
                         "NEXTPROTONEG",
                         # Deprecated functions
-                        "DEPRECATED",
+                        "DEPRECATEDIN_0_9_8",
+                        "DEPRECATEDIN_1_0_0",
+                        "DEPRECATEDIN_1_1_0",
                         # SCTP
                         "SCTP",
                         # SRTP
@@ -115,6 +118,15 @@ my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
                          "APPLINK"
                      );
 
+my %disabled_algorithms;
+
+foreach (@known_algorithms) {
+    $disabled_algorithms{$_} = 0;
+}
+# disabled by default
+$disabled_algorithms{"CRYPTO_MDEBUG"} = 1;
+$disabled_algorithms{"STATIC_ENGINE"} = 1;
+
 my $options="";
 open(IN,"<Makefile") || die "unable to open Makefile!\n";
 while(<IN>) {
@@ -122,26 +134,8 @@ while(<IN>) {
 }
 close(IN);
 
-# The following ciphers may be excluded (by Configure). This means functions
-# defined with ifndef(NO_XXX) are not included in the .def file, and everything
-# in directory xxx is ignored.
-my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
-my $no_cast; my $no_whirlpool; my $no_camellia; my $no_seed;
-my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
-my $no_rsa; my $no_dsa; my $no_dh; my $no_aes; my $no_scrypt;
-my $no_ec; my $no_engine; my $no_hw;
-my $no_chacha; my $no_poly1305;
-my $no_fp_api; my $no_static_engine=1; my $no_deprecated;
-my $no_sct; my $no_rfc3779; my $no_psk; my $no_cms; my $no_capieng;
-my $no_jpake; my $no_srp; my $no_ec2m; my $no_nistp_gcc; 
-my $no_nextprotoneg; my $no_sctp; my $no_srtp; my $no_ssl_trace;
-my $no_unit_test; my $no_ssl3_method; my $no_ocb;
-
-my $fips;
-
 my $zlib;
 
-
 foreach (@ARGV, split(/ /, $options))
        {
        $debug=1 if $_ eq "debug";
@@ -162,9 +156,8 @@ foreach (@ARGV, split(/ /, $options))
        if ($_ eq "linux") {
                $linux=1;
        }
-       $VMS=1 if $_ eq "VMS";
+       $VMS=$VMSNonVAX=1 if $_ eq "VMS";
        $OS2=1 if $_ eq "OS2";
-       $fips=1 if /^fips/;
        if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic"
                         || $_ eq "enable-zlib-dynamic") {
                $zlib = 1;
@@ -180,68 +173,37 @@ foreach (@ARGV, split(/ /, $options))
                $do_crypto=1;
                $libname=$_;
        }
-       $no_static_engine=1 if $_ eq "no-static-engine";
-       $no_static_engine=0 if $_ eq "enable-static-engine";
        $do_update=1 if $_ eq "update";
        $do_rewrite=1 if $_ eq "rewrite";
        $do_ctest=1 if $_ eq "ctest";
        $do_ctestall=1 if $_ eq "ctestall";
        $do_checkexist=1 if $_ eq "exist";
        #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
-
-       if    (/^no-rc2$/)      { $no_rc2=1; }
-       elsif (/^no-rc4$/)      { $no_rc4=1; }
-       elsif (/^no-rc5$/)      { $no_rc5=1; }
-       elsif (/^no-idea$/)     { $no_idea=1; }
-       elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
-       elsif (/^no-bf$/)       { $no_bf=1; }
-       elsif (/^no-cast$/)     { $no_cast=1; }
-       elsif (/^no-whirlpool$/)     { $no_whirlpool=1; }
-       elsif (/^no-md2$/)      { $no_md2=1; }
-       elsif (/^no-md4$/)      { $no_md4=1; }
-       elsif (/^no-md5$/)      { $no_md5=1; }
-       elsif (/^no-sha$/)      { $no_sha=1; }
-       elsif (/^no-ripemd$/)   { $no_ripemd=1; }
-       elsif (/^no-mdc2$/)     { $no_mdc2=1; }
-       elsif (/^no-rsa$/)      { $no_rsa=1; }
-       elsif (/^no-dsa$/)      { $no_dsa=1; }
-       elsif (/^no-dh$/)       { $no_dh=1; }
-       elsif (/^no-ec$/)       { $no_ec=1; }
-       elsif (/^no-aes$/)      { $no_aes=1; }
-       elsif (/^no-camellia$/) { $no_camellia=1; }
-       elsif (/^no-seed$/)     { $no_seed=1; }
-       elsif (/^no-scrypt$/)   { $no_scrypt=1; }
-       elsif (/^no-chacha$/)   { $no_chacha=1; }
-       elsif (/^no-poly1305$/) { $no_poly1305=1; }
-       elsif (/^no-evp$/)      { $no_evp=1; }
-       elsif (/^no-lhash$/)    { $no_lhash=1; }
-       elsif (/^no-stack$/)    { $no_stack=1; }
-       elsif (/^no-err$/)      { $no_err=1; }
-       elsif (/^no-buffer$/)   { $no_buffer=1; }
-       elsif (/^no-bio$/)      { $no_bio=1; }
-       #elsif (/^no-locking$/) { $no_locking=1; }
-       elsif (/^no-comp$/)     { $no_comp=1; }
-       elsif (/^no-dso$/)      { $no_dso=1; }
-       elsif (/^no-engine$/)   { $no_engine=1; }
-       elsif (/^no-hw$/)       { $no_hw=1; }
-       elsif (/^no-sct$/)      { $no_sct=1; }
-       elsif (/^no-rfc3779$/)  { $no_rfc3779=1; }
-       elsif (/^no-cms$/)      { $no_cms=1; }
-       elsif (/^no-ec2m$/)     { $no_ec2m=1; }
-       elsif (/^no-ec-nistp224-64-gcc-128$/)   { $no_nistp_gcc=1; }
-       elsif (/^no-nextprotoneg$/)     { $no_nextprotoneg=1; }
-       elsif (/^no-ssl3-method$/) { $no_ssl3_method=1; }
-       elsif (/^no-ssl-trace$/) { $no_ssl_trace=1; }
-       elsif (/^no-capieng$/)  { $no_capieng=1; }
-       elsif (/^no-jpake$/)    { $no_jpake=1; }
-       elsif (/^no-srp$/)      { $no_srp=1; }
-       elsif (/^no-sctp$/)     { $no_sctp=1; }
-       elsif (/^no-srtp$/)     { $no_srtp=1; }
-       elsif (/^no-unit-test$/){ $no_unit_test=1; }
-       elsif (/^no-deprecated$/) { $no_deprecated=1; }
-       elsif (/^no-ocb/){ $no_ocb=1; }
+       if (/^--api=(\d+)\.(\d+)\.(\d+)$/) {
+               my $apiv = sprintf "%x%02x%02x", $1, $2, $3;
+               foreach (keys %disabled_algorithms) {
+                       if (/^DEPRECATEDIN_(\d+)_(\d+)_(\d+)$/) {
+                               my $depv = sprintf "%x%02x%02x", $1, $2, $3;
+                               $disabled_algorithms{$_} = 1 if $apiv ge $depv;
+                       }
+               }
+       }
+       if (/^no-deprecated$/) {
+               foreach (keys %disabled_algorithms) {
+                       if (/^DEPRECATEDIN_/) {
+                               $disabled_algorithms{$_} = 1;
+                       }
+               }
+       }
+       elsif (/^(enable|disable|no)-(.*)$/) {
+               my $alg = uc $2;
+        $alg =~ tr/-/_/;
+               if (exists $disabled_algorithms{$alg}) {
+                       $disabled_algorithms{$alg} = $1 eq "enable" ? 0 : 1;
+               }
        }
 
+       }
 
 if (!$libname) { 
        if ($do_ssl) {
@@ -256,10 +218,12 @@ if (!$libname) {
 if ($W32 + $VMS + $OS2 + $linux == 0) {
        $W32 = 1;
 }
+die "Please, only one platform at a time"
+    if ($W32 + $VMS + $OS2 + $linux > 1);
 
 if (!$do_ssl && !$do_crypto)
        {
-       print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
+       print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 | linux | VMS ]\n";
        exit(1);
        }
 
@@ -495,14 +459,15 @@ sub do_defs
                print STDERR "DEBUG: parsing ----------\n" if $debug;
                while(<IN>) {
                        if($parens > 0) {
-                               #Inside a DECLARE_DEPRECATED
+                               #Inside a DEPRECATEDIN
                                $stored_multiline .= $_;
                                chomp $stored_multiline;
-                               print STDERR "DEBUG: Continuing multiline DEPRECATED: $stored_multiline\n" if $debug;
+                               print STDERR "DEBUG: Continuing multiline DEPRECATEDIN: $stored_multiline\n" if $debug;
                                $parens = count_parens($stored_multiline);
                                if ($parens == 0) {
-                                       $stored_multiline =~ /^\s*DECLARE_DEPRECATED\s*\(\s*(\w*(\s|\*|\w)*)/;
-                                       $def .= "$1(void);";
+                                       $def .= do_deprecated($stored_multiline,
+                                                       \@current_platforms,
+                                                       \@current_algorithms);
                                }
                                next;
                        }
@@ -896,14 +861,16 @@ sub do_defs
                                        &$make_variant("_shadow_$2","_shadow_$2",
                                                      "EXPORT_VAR_AS_FUNCTION",
                                                      "FUNCTION");
-                               } elsif (/^\s*DECLARE_DEPRECATED\s*\(\s*(\w*(\s|\*|\w)*)/) {
+                               } elsif (/^\s*DEPRECATEDIN/) {
                                        $parens = count_parens($_);
                                        if ($parens == 0) {
-                                               $def .= "$1(void);";
+                                               $def .= do_deprecated($_,
+                                                       \@current_platforms,
+                                                       \@current_algorithms);
                                        } else {
                                                $stored_multiline = $_;
                                                chomp $stored_multiline;
-                                               print STDERR "DEBUG: Found multiline DEPRECATED starting with: $stored_multiline\n" if $debug;
+                                               print STDERR "DEBUG: Found multiline DEPRECATEDIN starting with: $stored_multiline\n" if $debug;
                                                next;
                                        }
                                } elsif ($tag{'CONST_STRICT'} != 1) {
@@ -968,22 +935,6 @@ sub do_defs
 
                        $p = $plats;
                        $a = $algs;
-                       $a .= ",BF" if($s =~ /EVP_bf/);
-                       $a .= ",CAST" if($s =~ /EVP_cast/);
-                       $a .= ",DES" if($s =~ /EVP_des/);
-                       $a .= ",DSA" if($s =~ /EVP_dss/);
-                       $a .= ",IDEA" if($s =~ /EVP_idea/);
-                       $a .= ",MD2" if($s =~ /EVP_md2/);
-                       $a .= ",MD4" if($s =~ /EVP_md4/);
-                       $a .= ",MD5" if($s =~ /EVP_md5/);
-                       $a .= ",RC2" if($s =~ /EVP_rc2/);
-                       $a .= ",RC4" if($s =~ /EVP_rc4/);
-                       $a .= ",RC5" if($s =~ /EVP_rc5/);
-                       $a .= ",RMD160" if($s =~ /EVP_ripemd/);
-                       $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
-                       $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
-                       $a .= ",RSA" if($s =~ /RSAPrivateKey/);
-                       $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
 
                        $platform{$s} =
                            &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
@@ -1165,70 +1116,11 @@ sub is_valid
                        if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32)) {
                                return 1;
                        }
-                       if ($keyword eq "OPENSSL_FIPSCAPABLE") {
-                               return 0;
-                       }
-                       if ($keyword eq "OPENSSL_FIPS" && $fips) {
-                               return 1;
-                       }
                        if ($keyword eq "ZLIB" && $zlib) { return 1; }
                        return 0;
                } else {
                        # algorithms
-                       if ($keyword eq "RC2" && $no_rc2) { return 0; }
-                       if ($keyword eq "RC4" && $no_rc4) { return 0; }
-                       if ($keyword eq "RC5" && $no_rc5) { return 0; }
-                       if ($keyword eq "IDEA" && $no_idea) { return 0; }
-                       if ($keyword eq "DES" && $no_des) { return 0; }
-                       if ($keyword eq "BF" && $no_bf) { return 0; }
-                       if ($keyword eq "CAST" && $no_cast) { return 0; }
-                       if ($keyword eq "MD2" && $no_md2) { return 0; }
-                       if ($keyword eq "MD4" && $no_md4) { return 0; }
-                       if ($keyword eq "MD5" && $no_md5) { return 0; }
-                       if ($keyword eq "SHA" && $no_sha) { return 0; }
-                       if ($keyword eq "RMD160" && $no_ripemd) { return 0; }
-                       if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
-                       if ($keyword eq "WHIRLPOOL" && $no_whirlpool) { return 0; }
-                       if ($keyword eq "RSA" && $no_rsa) { return 0; }
-                       if ($keyword eq "DSA" && $no_dsa) { return 0; }
-                       if ($keyword eq "DH" && $no_dh) { return 0; }
-                       if ($keyword eq "EC" && $no_ec) { return 0; }
-                       if ($keyword eq "AES" && $no_aes) { return 0; }
-                       if ($keyword eq "CAMELLIA" && $no_camellia) { return 0; }
-                       if ($keyword eq "SEED" && $no_seed) { return 0; }
-                       if ($keyword eq "SCRYPT" && $no_scrypt) { return 0; }
-                       if ($keyword eq "CHACHA" && $no_chacha) { return 0; }
-                       if ($keyword eq "POLY1305" && $no_poly1305) { return 0; }
-                       if ($keyword eq "EVP" && $no_evp) { return 0; }
-                       if ($keyword eq "LHASH" && $no_lhash) { return 0; }
-                       if ($keyword eq "STACK" && $no_stack) { return 0; }
-                       if ($keyword eq "ERR" && $no_err) { return 0; }
-                       if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
-                       if ($keyword eq "BIO" && $no_bio) { return 0; }
-                       if ($keyword eq "COMP" && $no_comp) { return 0; }
-                       if ($keyword eq "DSO" && $no_dso) { return 0; }
-                       if ($keyword eq "ENGINE" && $no_engine) { return 0; }
-                       if ($keyword eq "HW" && $no_hw) { return 0; }
-                       if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
-                       if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
-                       if ($keyword eq "SCT" && $no_sct) { return 0; }
-                       if ($keyword eq "RFC3779" && $no_rfc3779) { return 0; }
-                       if ($keyword eq "PSK" && $no_psk) { return 0; }
-                       if ($keyword eq "CMS" && $no_cms) { return 0; }
-                       if ($keyword eq "EC_NISTP_64_GCC_128" && $no_nistp_gcc)
-                                       { return 0; }
-                       if ($keyword eq "EC2M" && $no_ec2m) { return 0; }
-                       if ($keyword eq "NEXTPROTONEG" && $no_nextprotoneg) { return 0; }
-                       if ($keyword eq "SSL3_METHOD" && $no_ssl3_method) { return 0; }
-                       if ($keyword eq "SSL_TRACE" && $no_ssl_trace) { return 0; }
-                       if ($keyword eq "CAPIENG" && $no_capieng) { return 0; }
-                       if ($keyword eq "JPAKE" && $no_jpake) { return 0; }
-                       if ($keyword eq "SRP" && $no_srp) { return 0; }
-                       if ($keyword eq "SCTP" && $no_sctp) { return 0; }
-                       if ($keyword eq "SRTP" && $no_srtp) { return 0; }
-                       if ($keyword eq "UNIT_TEST" && $no_unit_test) { return 0; }
-                       if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
-                       if ($keyword eq "OCB" && $no_ocb) { return 0; }
+                       if ($disabled_algorithms{$keyword} == 1) { return 0;}
 
                        # Nothing recognise as true
                        return 1;
@@ -1305,27 +1197,30 @@ sub print_def_file
        my $what = "OpenSSL: implementation of Secure Socket Layer";
        my $description = "$what $version, $name - http://$http_vendor";
        my $prevsymversion = "", $prevprevsymversion = "";
-
-       if (!$linux)
-               {
-               if ($W32)
-                       { $libname.="32"; }
-               elsif ($OS2)
-                       { # DLL names should not clash on the whole system.
-                         # However, they should not have any particular relationship
-                         # to the name of the static library.  Chose descriptive names
-                         # (must be at most 8 chars).
-                         my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
-                         $libname = $translate{$name} || $name;
-                         $liboptions = <<EOO;
+        # For VMS
+        my $prevnum = 0;
+        my $symbolcount = 0;
+
+       if ($W32)
+               { $libname.="32"; }
+       elsif ($OS2)
+               { # DLL names should not clash on the whole system.
+                 # However, they should not have any particular relationship
+                 # to the name of the static library.  Chose descriptive names
+                 # (must be at most 8 chars).
+                 my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
+                 $libname = $translate{$name} || $name;
+                 $liboptions = <<EOO;
 INITINSTANCE
 DATA MULTIPLE NONSHARED
 EOO
-                         # Vendor field can't contain colon, drat; so we omit http://
-                         $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
-                       }
+                 # Vendor field can't contain colon, drat; so we omit http://
+                 $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
+               }
 
-               print OUT <<"EOF";
+        if ($W32 || $OS2)
+                {
+                print OUT <<"EOF";
 ;
 ; Definition file for the DLL version of the $name library from OpenSSL
 ;
@@ -1335,11 +1230,32 @@ LIBRARY         $libname        $liboptions
 EOF
 
                print "EXPORTS\n";
-       }
+                }
+        elsif ($VMS)
+                {
+                my $libref = $name eq "ssl" ? "LIBCRYPTO.EXE /SHARE" : "";
+                print OUT <<"EOF";
+IDENTIFICATION="LIB$libname V$version"
+LIB$libname.OLB /LIBRARY
+$libref
+SYMBOL_VECTOR=(-
+EOF
+                }
 
        (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
        (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
-       @symbols=((sort @e),(sort @r), (sort @v));
+        if ($VMS) {
+            # VMS needs to have the symbols on slot number order
+            @symbols=(map { $_->[1] }
+                      sort { $a->[0] <=> $b->[0] }
+                      map { (my $s, my $i) = $_ =~ /^(.*?)\\(.*)$/;
+                            die "Error: $s doesn't have a number assigned\n"
+                                if !defined($nums{$s});
+                            (my $n, my @rest) = split /\\/, $nums{$s};
+                            [ $n, $_ ] } (@e, @r, @v));
+        } else {
+            @symbols=((sort @e),(sort @r), (sort @v));
+        }
 
        my ($baseversion, $currversion) = get_openssl_version();
        my $thisversion;
@@ -1385,6 +1301,27 @@ EOF
                                                        $prevsymversion = $symversion;
                                                }
                                                print OUT "        $s2;\n";
+                                        } elsif ($VMS) {
+                                            while(++$prevnum < $n) {
+                                                if ($symbolcount > 1023) {
+                                                    print OUT ")\nSYMBOL_VECTOR=(-\n";
+                                                    $symbolcount = 0;
+                                                }
+                                                print OUT $symbolcount
+                                                    ? "    ," : "    ";
+                                                print OUT "dummy$prevnum=PRIVATE_PROCEDURE -\n";
+                                                $symbolcount++;
+                                            }
+                                            (my $s_uc = $s) =~ tr/a-z/A-Z/;
+                                            if ($symbolcount > 1023) {
+                                                print OUT ")\nSYMBOL_VECTOR=(-\n";
+                                                $symbolcount = 0;
+                                            }
+                                            print OUT $symbolcount
+                                                ? "    ," : "    ";
+                                            print OUT "$s_uc/$s="
+                                                , ($v ? "DATA" : "PROCEDURE"), " -\n";
+                                            $symbolcount++;
                                        } elsif($v && !$OS2) {
                                                printf OUT "    %s%-39s @%-8d DATA\n",
                                                                ($W32)?"":"_",$s2,$n;
@@ -1402,7 +1339,14 @@ EOF
                } else {
                        print OUT "    local: *;\n};\n\n";
                }
-       }
+       } elsif ($VMS) {
+            print OUT ")\n";
+            (my $libvmaj, my $libvmin, my $libvedit) =
+                $currversion =~ /^(\d+)_(\d+)_(\d+)$/;
+            # The reason to multiply the edit number with 100 is to make space
+            # for the possibility that we want to encode the patch letters
+            print OUT "GSMATCH=LEQUAL,",($libvmaj * 100 + $libvmin),",",($libvedit * 100),"\n";
+        }
        printf OUT "\n";
 }
 
@@ -1555,7 +1499,6 @@ sub update_numbers
                next if defined($rsyms{$sym});
                die "ERROR: Symbol $sym had no info attached to it."
                    if $i eq "";
-               next if $i =~ /OPENSSL_FIPSCAPABLE/;
                if (!exists $nums{$s}) {
                        $new_syms++;
                        my $s2 = $s;
@@ -1737,3 +1680,16 @@ sub check_version_lte()
                        if (($cvbase ne $tvbase) && ($tvletter gt $cvletter));
        }
 }
+
+sub do_deprecated()
+{
+       my ($decl, $plats, $algs) = @_;
+       $decl =~ /^\s*(DEPRECATEDIN_\d+_\d+_\d+)\s*\((.*)\)\s*$/
+            or die "Bad DEPRECTEDIN: $decl\n";
+       my $info1 .= "#INFO:";
+       $info1 .= join(',', @{$plats}) . ":";
+       my $info2 = $info1;
+       $info1 .= join(',',@{$algs}, $1) . ";";
+       $info2 .= join(',',@{$algs}) . ";";
+       return $info1 . $2 . ";" . $info2;
+}