46 files changed, 177 insertions, 292 deletions

diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index 5b84ea5e8..d152eaf68 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -442,7 +442,7 @@ bool debReleaseIndex::Load(std::string const &Filename, std::string * const Erro
    std::string const StrDate = Section.FindS("Date");
    if (RFC1123StrToTime(StrDate.c_str(), Date) == false)
    {
-      _error->Warning( _("Invalid 'Date' entry in Release file %s"), Filename.c_str());
+      _error->Warning( _("Invalid '%s' entry in Release file %s"), "Date", Filename.c_str());
       Date = 0;
    }
 
@@ -463,7 +463,7 @@ bool debReleaseIndex::Load(std::string const &Filename, std::string * const Erro
 	 if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false)
 	 {
 	    if (ErrorText != NULL)
-	       strprintf(*ErrorText, _("Invalid 'Valid-Until' entry in Release file %s"), Filename.c_str());
+	       strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Valid-Until", Filename.c_str());
 	    return false;
 	 }
       }
@@ -498,6 +498,33 @@ bool debReleaseIndex::Load(std::string const &Filename, std::string * const Erro
       }
    }
 
+   /* as the Release file is parsed only after it was verified, the Signed-By field
+      does not effect the current, but the "next" Release file */
+   auto Sign = Section.FindS("Signed-By");
+   if (Sign.empty() == false)
+   {
+      std::transform(Sign.begin(), Sign.end(), Sign.begin(), [&](char const c) {
+	 return (isspace(c) == 0) ? c : ',';
+      });
+      auto fingers = VectorizeString(Sign, ',');
+      std::transform(fingers.begin(), fingers.end(), fingers.begin(), [&](std::string finger) {
+	 std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
+	 if (finger.length() != 40 || finger.find_first_not_of("0123456789ABCDEF") != std::string::npos)
+	 {
+	    if (ErrorText != NULL)
+	       strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Signed-By", Filename.c_str());
+	    return std::string();
+	 }
+	 return finger;
+      });
+      if (fingers.empty() == false && std::find(fingers.begin(), fingers.end(), "") == fingers.end())
+      {
+	 std::stringstream os;
+	 std::copy(fingers.begin(), fingers.end(), std::ostream_iterator<std::string>(os, ","));
+	 SignedBy = os.str();
+      }
+   }
+
    LoadedSuccessfully = TRI_YES;
    return true;
 }
@@ -956,7 +983,30 @@ class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type		/*{{{*/
       std::map<std::string, std::string>::const_iterator const signedby = Options.find("signed-by");
       if (signedby == Options.end())
       {
-	 if (Deb->SetSignedBy("") == false)
+	 bool alreadySet = false;
+	 std::string filename;
+	 if (ReleaseFileName(Deb, filename))
+	 {
+	    auto OldDeb = Deb->UnloadedClone();
+	    _error->PushToStack();
+	    OldDeb->Load(filename, nullptr);
+	    bool const goodLoad = _error->PendingError() == false;
+	    _error->RevertToStack();
+	    if (goodLoad)
+	    {
+	       if (OldDeb->GetValidUntil() > 0)
+	       {
+		  time_t const invalid_since = time(NULL) - OldDeb->GetValidUntil();
+		  if (invalid_since <= 0)
+		  {
+		     Deb->SetSignedBy(OldDeb->GetSignedBy());
+		     alreadySet = true;
+		  }
+	       }
+	    }
+	    delete OldDeb;
+	 }
+	 if (alreadySet == false && Deb->SetSignedBy("") == false)
 	    return false;
       }
       else
diff --git a/doc/sources.list.5.xml b/doc/sources.list.5.xml
index 07455735f..e8d88921d 100644
--- a/doc/sources.list.5.xml
+++ b/doc/sources.list.5.xml
@@ -291,8 +291,10 @@ deb-src [ option1=value1 option2=value2 ] uri suite [component1] [component2] [.
 		(see <command>apt-key fingerprint</command>). If the option is
 		set, only the key(s) in this keyring or only the keys with these
 		fingerprints are used for the &apt-secure; verification of this
-		repository. Otherwise all keys in the trusted keyrings are
-		considered valid signers for this repository.
+		repository. Defaults to the value of the option with the same name
+		if set in the previously acquired <filename>Release</filename> file.
+		Otherwise all keys in the trusted keyrings are considered valid
+		signers for this repository.
 	  </para></listitem>
 
 	  <listitem><para><option>Check-Valid-Until</option> (<option>check-valid-until</option>)
diff --git a/po/apt-all.pot b/po/apt-all.pot
index 0b3760793..f4b480e64 100644
--- a/po/apt-all.pot
+++ b/po/apt-all.pot
@@ -3006,12 +3006,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr ""
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr ""
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/ar.po b/po/ar.po
index 05a62bc68..ebe747ebb 100644
--- a/po/ar.po
+++ b/po/ar.po
@@ -3067,12 +3067,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "تعذر فتح ملف قاعدة البيانات %s: %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "لاحظ، تحديد %s بدلاً من %s\n"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/ast.po b/po/ast.po
index f3a65f7b3..739759eaa 100644
--- a/po/ast.po
+++ b/po/ast.po
@@ -3194,13 +3194,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Entrada inválida pa 'Date' nel ficheru release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Entrada inválida pa 'Valid-Until' nel ficheru release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Entrada inválida pa '%s' nel ficheru release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/bg.po b/po/bg.po
index cb3cd96d7..22962cb8f 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -3231,13 +3231,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Неправилна стойност за „Date“ във файла Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Неправилна стойност за „Valid-Until“ във файла Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Неправилна стойност за „%s“ във файла Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/bs.po b/po/bs.po
index 974518689..f83a12d03 100644
--- a/po/bs.po
+++ b/po/bs.po
@@ -3048,13 +3048,8 @@ msgid ""
 msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ne mogu otvoriti DB datoteku %s"
-
-#: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr ""
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/ca.po b/po/ca.po
index e86b8ea7e..34f3476db 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -3234,13 +3234,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "El camp «Date» al fitxer Release %s és invàlid"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "El camp «Valid-Until» al fitxer Release %s és invàlid"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "El camp «%s» al fitxer Release %s és invàlid"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/cs.po b/po/cs.po
index b0c165b7e..85fc8d25b 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -3200,13 +3200,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Neplatná položka „Date“ v Release souboru %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Neplatná položka „Valid-Until“ v Release souboru %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Neplatná položka „%s“ v Release souboru %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/cy.po b/po/cy.po
index 0ea21f927..d7b6e709a 100644
--- a/po/cy.po
+++ b/po/cy.po
@@ -3229,15 +3229,9 @@ msgid ""
 "security purposes"
 msgstr ""
 
-# FIXME: number?
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ni ellir gramadegu ffeil becynnau %s (1)"
-
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Llinell annilys yn y ffeil dargyfeirio: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/da.po b/po/da.po
index 7cd4effb0..b3958c3b6 100644
--- a/po/da.po
+++ b/po/da.po
@@ -3214,13 +3214,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ugyldigt punkt »Date« i udgivelsesfil %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Ugyldigt punkt »Valid-Until« i udgivelsesfil %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Ugyldigt punkt »%s« i udgivelsesfil %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/de.po b/po/de.po
index cbabbc130..dbf48aa75 100644
--- a/po/de.po
+++ b/po/de.po
@@ -3303,13 +3303,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ungültiger »Date«-Eintrag in Release-Datei %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Ungültiger »Valid-Until«-Eintrag in Release-Datei %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Ungültiger »%s«-Eintrag in Release-Datei %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/dz.po b/po/dz.po
index 08362218b..9b31d7b32 100644
--- a/po/dz.po
+++ b/po/dz.po
@@ -3183,12 +3183,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "%s (༡་)་ཐུམ་སྒྲིལ་ཡིག་སྣོད་འདི་མིང་དཔྱད་འབད་མ་ཚུགས།"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "%s་ཁ་ཕྱོགས་ཡིག་སྣོད་ནང་ནུས་མེད་གྲལ་ཐིག"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/el.po b/po/el.po
index c2b37f24d..589eea0ed 100644
--- a/po/el.po
+++ b/po/el.po
@@ -3212,12 +3212,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Αδύνατη η ανάλυση του αρχείου πακέτου %s (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Μη έγκυρη γραμμή στο αρχείο παρακάμψεων: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/es.po b/po/es.po
index 119c57624..e50e5b02e 100644
--- a/po/es.po
+++ b/po/es.po
@@ -3368,13 +3368,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Entrada «Date» inválida en el archivo «Release» %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Entrada «Valid-Until» inválida en el archivo «Release» %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Entrada «%s» inválida en el archivo «Release» %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/eu.po b/po/eu.po
index 3425a3a74..cdf682370 100644
--- a/po/eu.po
+++ b/po/eu.po
@@ -3183,12 +3183,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ezin da %s pakete fitxategia analizatu (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Lerro baliogabea desbideratze fitxategian: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/fi.po b/po/fi.po
index f4d2bb054..5a2dc57bb 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -3174,12 +3174,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Pakettitiedostoa %s (1) ei voi jäsentää"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Virheellinen rivi korvautustiedostossa: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/fr.po b/po/fr.po
index f26a63388..534c187cf 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -3287,13 +3287,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Entrée « Date » non valable dans le fichier Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Entrée « Valid-Until » non valable dans le fichier Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Entrée « %s » non valable dans le fichier Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/gl.po b/po/gl.po
index 132ac77ce..f578b154e 100644
--- a/po/gl.po
+++ b/po/gl.po
@@ -3228,13 +3228,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "A entrada «Date» no ficheiro de publicación %s non é válida"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "A entrada «Valid-Until» no ficheiro de publicación %s non é válida"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "A entrada «%s» no ficheiro de publicación %s non é válida"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/hu.po b/po/hu.po
index efde6d6a6..5a01d37eb 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -3273,13 +3273,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Érvénytelen „Date” bejegyzés a(z) %s Release fájlban"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Érvénytelen „Valid-Until” bejegyzés a(z) %s Release fájlban"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Érvénytelen „%s” bejegyzés a(z) %s Release fájlban"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/it.po b/po/it.po
index 3b0eb4c67..1b6160e9e 100644
--- a/po/it.po
+++ b/po/it.po
@@ -3270,13 +3270,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Voce \"Date\" nel file Release %s non valida"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Voce \"Valid-Until\" nel file Release %s non valida"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Voce \"%s\" nel file Release %s non valida"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/ja.po b/po/ja.po
index 4107bd51d..a1706a6d3 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -3265,13 +3265,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Release ファイル %s に無効な 'Date' エントリがあります"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Release ファイル %s に無効な 'Valid-Until' エントリがあります"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Release ファイル %s に無効な '%s' エントリがあります"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/ko.po b/po/ko.po
index 9fa5ed445..5ac58b2ac 100644
--- a/po/ko.po
+++ b/po/ko.po
@@ -3162,13 +3162,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Release 파일 %s에 'Date' 항목이 잘못되었습니다"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Release 파일 %s에 'Valid-Until' 항목이 잘못되었습니다"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Release 파일 %s에 '%s' 항목이 잘못되었습니다"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/ku.po b/po/ku.po
index f09cb16ed..60303c6e5 100644
--- a/po/ku.po
+++ b/po/ku.po
@@ -3063,13 +3063,8 @@ msgid ""
 msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Pakêt nehate dîtin %s"
-
-#: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr ""
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/lt.po b/po/lt.po
index 6ebf6c769..cf5208dbe 100644
--- a/po/lt.po
+++ b/po/lt.po
@@ -3155,12 +3155,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Nepavyko atverti DB failo %s: %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Pastaba: pažymimas %s vietoje %s\n"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/mr.po b/po/mr.po
index 11cdacb43..c7d10f744 100644
--- a/po/mr.po
+++ b/po/mr.po
@@ -3156,12 +3156,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "%s (1) पॅकेज फाईल पार्स करण्यात असमर्थ"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "%s डायव्हर्जन फाईलमध्ये अवैध ओळ आहे:"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/nb.po b/po/nb.po
index 1b1801e22..70dbe3bec 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -3198,13 +3198,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ugyldig «Date»-oppføring i Release-fila %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Ugyldig «Valid-Until»-oppføring i Release-fila %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Ugyldig «%s»-oppføring i Release-fila %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/ne.po b/po/ne.po
index ff2896312..aabb3bdd1 100644
--- a/po/ne.po
+++ b/po/ne.po
@@ -3156,12 +3156,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "प्याकेज फाइल पद वर्णन गर्न असक्षम %s (१)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "घुमाउरो फाइलमा अवैध लाइन:%s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/nl.po b/po/nl.po
index 202fa5705..f65806713 100644
--- a/po/nl.po
+++ b/po/nl.po
@@ -3320,13 +3320,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ongeldige 'Date'-vermelding in Release-bestand %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Ongeldige 'Valid-Until'-vermelding in Release-bestand %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Ongeldige '%s'-vermelding in Release-bestand %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/nn.po b/po/nn.po
index 4c22ef947..28d4ca1f9 100644
--- a/po/nn.po
+++ b/po/nn.po
@@ -3171,12 +3171,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Klarte ikkje tolka pakkefila %s (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Ugyldig linje i avleiingsfila: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/pl.po b/po/pl.po
index f3517fc7f..ab4226754 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -3262,13 +3262,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Nieprawidłowy wpis Date w pliku Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Nieprawidłowy wpis Valid-Until w pliku Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Nieprawidłowy wpis %s w pliku Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/pt.po b/po/pt.po
index a73f4d12e..1a2f96591 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -3238,13 +3238,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Entrada, 'Date', inválida no ficheiro Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Entrada inválida, 'Valid-until', no ficheiro de Release: %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Entrada inválida, '%s', no ficheiro de Release: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 72999ca98..0dcce7983 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -3195,12 +3195,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Impossível analisar arquivo de pacote %s (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Linha inválida no arquivo de desvios: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/ro.po b/po/ro.po
index cc887e72e..ab86ba421 100644
--- a/po/ro.po
+++ b/po/ro.po
@@ -3211,12 +3211,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Nu s-a putut analiza fișierul pachet %s (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Linie necorespunzătoare în fișierul-redirectare: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/ru.po b/po/ru.po
index 0f2d58dff..d831a6728 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -3258,13 +3258,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Неправильный элемент «Date» в файле Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Неправильный элемент «Valid-Until» в файле Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Неправильный элемент «%s» в файле Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/sk.po b/po/sk.po
index 88c9ad6ae..7646a62d6 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -3212,13 +3212,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Chýba položka „Date“ v súbore Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Chýba položka „Valid-Until“ v súbore Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Chýba položka „%s“ v súbore Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/sl.po b/po/sl.po
index b6d621152..f3500e38f 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -3215,13 +3215,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Neveljavne vnos 'Datum' v Release datoteki %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Neveljaven vnos 'Veljavno-do' v Release datoteki %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Neveljaven vnos '%s' v Release datoteki %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/sv.po b/po/sv.po
index 3580937c2..2582689aa 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -3238,13 +3238,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Ogiltig ”Date”-post i Release-filen %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Ogiltig ”Valid-Until”-post i Release-filen %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Ogiltig ”%s”-post i Release-filen %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/th.po b/po/th.po
index 45680fbc5..ab13fedbd 100644
--- a/po/th.po
+++ b/po/th.po
@@ -3142,13 +3142,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "รายการ 'Date' ไม่ถูกต้องในแฟ้ม Release %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "รายการ 'Valid-Until' ไม่ถูกต้องในแฟ้ม Release %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "รายการ '%s' ไม่ถูกต้องในแฟ้ม Release %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/tl.po b/po/tl.po
index a0801808e..b7fe79ba0 100644
--- a/po/tl.po
+++ b/po/tl.po
@@ -3191,12 +3191,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Hindi ma-parse ang talaksang pakete %s (1)"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "Di tanggap na linya sa talaksang diversion: %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/tr.po b/po/tr.po
index dc002e2cb..05154f1cf 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -3238,13 +3238,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "'Release' dosyasında (%s) geçersiz 'Date' girdisi"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "'Release' dosyasında (%s) geçersiz 'Valid-Until' girdisi"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "'Release' dosyasında (%2$s) geçersiz '%1$s' girdisi"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/uk.po b/po/uk.po
index b89010177..6f3141c05 100644
--- a/po/uk.po
+++ b/po/uk.po
@@ -3259,13 +3259,8 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "Невірний запис 'Date' у 'Release' файлі %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "Невірний запис 'Valid-Until' у 'Release' файлі %s"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "Невірний запис '%s' у 'Release' файлі %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/vi.po b/po/vi.po
index 48ce7e966..b8bc451d8 100644
--- a/po/vi.po
+++ b/po/vi.po
@@ -3233,15 +3233,9 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr ""
-"Gặp mục tin “Date” (ngày tháng) không hợp lệ trong tập tin Phát hành %s"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr ""
-"Gặp mục tin “Valid-Until” (hợp lệ đến khi) không hợp lệ trong tập tin Phát "
+"Gặp mục tin “%s” (hợp lệ đến khi) không hợp lệ trong tập tin Phát "
 "hành %s"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/po/zh_CN.po b/po/zh_CN.po
index a1fc57f42..db479f521 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -3153,13 +3153,8 @@ msgstr "Release 文件 %s 中不含散列项，该文件用于保证足够的安
 
 #: apt-pkg/deb/debmetaindex.cc
 #, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "软件包仓库 Release 文件 %s 内 Date 条目无效"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
-msgstr "软件包仓库 Release 文件 %s 内 Valid-Until 条目无效"
+msgid "Invalid '%s' entry in Release file %s"
+msgstr "软件包仓库 Release 文件 %2$s 内 %1$s 条目无效"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
 #: apt-pkg/deb/debmetaindex.cc
diff --git a/po/zh_TW.po b/po/zh_TW.po
index b311eacc8..4d9af1bbb 100644
--- a/po/zh_TW.po
+++ b/po/zh_TW.po
@@ -3140,12 +3140,7 @@ msgstr ""
 
 #: apt-pkg/deb/debmetaindex.cc
 #, fuzzy, c-format
-msgid "Invalid 'Date' entry in Release file %s"
-msgstr "在 Release 檔 %s 裡沒有 Hash 項目"
-
-#: apt-pkg/deb/debmetaindex.cc
-#, fuzzy, c-format
-msgid "Invalid 'Valid-Until' entry in Release file %s"
+msgid "Invalid '%s' entry in Release file %s"
 msgstr "在 Release 檔 %s 裡沒有 Hash 項目"
 
 #. TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
diff --git a/test/integration/test-releasefile-verification b/test/integration/test-releasefile-verification
index e2e1b5b76..24e7830aa 100755
--- a/test/integration/test-releasefile-verification
+++ b/test/integration/test-releasefile-verification
@@ -29,7 +29,7 @@ prepare() {
 	cp "$1" aptarchive/Packages
 	find aptarchive -name 'Release' -delete
 	compressfile 'aptarchive/Packages' "$DATE"
-	generatereleasefiles "$DATE"
+	generatereleasefiles "$DATE" 'now + 1 month'
 }
 
 installaptold() {
@@ -47,6 +47,7 @@ Download complete and in download only mode" aptget install apt -dy
 }
 
 installaptnew() {
+	rm -rf rootdir/var/cache/apt/archives
 	testsuccessequal "Reading package lists...
 Building dependency tree...
 Suggested packages:
@@ -301,6 +302,55 @@ runtest() {
 	rm -f rootdir/etc/apt/trusted.gpg.d/marvinparanoid.gpg
 	sed -i "s#^\(deb\(-src\)\?\) \[signed-by=${MARVIN},${SIXPACK}\] #\1 #" rootdir/etc/apt/sources.list.d/*
 
+	rm -rf rootdir/var/lib/apt/lists-bak
+	cp -a rootdir/var/lib/apt/lists rootdir/var/lib/apt/lists-bak
+	prepare "${PKGFILE}-new"
+	signreleasefiles 'Joe Sixpack'
+	find aptarchive/ -name "$DELETEFILE" -delete
+
+	msgmsg 'Warm archive with signed-by' 'Joe Sixpack'
+	sed -i "/^Valid-Until: / a\
+Signed-By: ${SIXPACK}" rootdir/var/lib/apt/lists/*Release
+	touch -d 'now - 1 year' rootdir/var/lib/apt/lists/*Release
+	successfulaptgetupdate
+	testsuccessequal "$(cat "${PKGFILE}-new")
+" aptcache show apt
+	installaptnew
+
+	msgmsg 'Warm archive with signed-by' 'Marvin Paranoid'
+	rm -rf rootdir/var/lib/apt/lists
+	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
+	sed -i "/^Valid-Until: / a\
+Signed-By: ${MARVIN}" rootdir/var/lib/apt/lists/*Release
+	touch -d 'now - 1 year' rootdir/var/lib/apt/lists/*Release
+	updatewithwarnings 'W: .* public key is not available: GOODSIG'
+	testsuccessequal "$(cat "${PKGFILE}")
+" aptcache show apt
+	installaptold
+
+	msgmsg 'Warm archive with outdated signed-by' 'Marvin Paranoid'
+	rm -rf rootdir/var/lib/apt/lists
+	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
+	sed -i "/^Valid-Until: / a\
+Valid-Until: $(date -u -d "now - 2min" '+%a, %d %b %Y %H:%M:%S %Z') \\
+Signed-By: ${MARVIN}" rootdir/var/lib/apt/lists/*Release
+	touch -d 'now - 1 year' rootdir/var/lib/apt/lists/*Release
+	successfulaptgetupdate
+	testsuccessequal "$(cat "${PKGFILE}-new")
+" aptcache show apt
+	installaptnew
+
+	msgmsg 'Warm archive with two signed-bys' 'Joe Sixpack'
+	rm -rf rootdir/var/lib/apt/lists
+	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
+	sed -i "/^Valid-Until: / a\
+Signed-By: ${MARVIN} ${MARVIN}, \\
+ ${SIXPACK}" rootdir/var/lib/apt/lists/*Release
+	touch -d 'now - 1 year' rootdir/var/lib/apt/lists/*Release
+	successfulaptgetupdate
+	testsuccessequal "$(cat "${PKGFILE}-new")
+" aptcache show apt
+	installaptnew
 }
 
 runtest2() {