propagate from branch 'net.randombit.botan' (head 5dc30d88afdeec4896b5065f9260e66d52b1a730)

            to branch 'net.randombit.botan.cxx11' (head 8d42792537db92fab3136f5696ee1eba3e73fa76)

12 files changed, 41 insertions, 245 deletions

diff --git a/src/utils/charset.cpp b/src/utils/charset.cpp
index 8e20e6492..7ee637f80 100644
--- a/src/utils/charset.cpp
+++ b/src/utils/charset.cpp
@@ -119,7 +119,7 @@ std::string transcode(const std::string& str,
       return ucs2_to_latin1(str);
 
    throw Invalid_Argument("Unknown transcoding operation from " +
-                          to_string(from) + " to " + to_string(to));
+                          std::to_string(from) + " to " + std::to_string(to));
    }
 
 /*
diff --git a/src/utils/datastor/datastor.cpp b/src/utils/datastor/datastor.cpp
index 49e7b2dda..363136c69 100644
--- a/src/utils/datastor/datastor.cpp
+++ b/src/utils/datastor/datastor.cpp
@@ -14,16 +14,6 @@
 namespace Botan {
 
 /*
-* Default Matcher transform operation (identity)
-*/
-std::pair<std::string, std::string>
-Data_Store::Matcher::transform(const std::string& key,
-                               const std::string& value) const
-   {
-   return std::make_pair(key, value);
-   }
-
-/*
 * Data_Store Equality Comparison
 */
 bool Data_Store::operator==(const Data_Store& other) const
@@ -42,26 +32,14 @@ bool Data_Store::has_value(const std::string& key) const
 /*
 * Search based on an arbitrary predicate
 */
-std::multimap<std::string, std::string>
-Data_Store::search_with(const Matcher& matcher) const
+std::multimap<std::string, std::string> Data_Store::search_for(
+   std::function<bool (std::string, std::string)> predicate) const
    {
    std::multimap<std::string, std::string> out;
 
-   std::multimap<std::string, std::string>::const_iterator i =
-      contents.begin();
-
-   while(i != contents.end())
-      {
-      if(matcher(i->first, i->second))
-         {
-         std::pair<std::string, std::string> p(
-            matcher.transform(i->first, i->second));
-
-         multimap_insert(out, p.first, p.second);
-         }
-
-      ++i;
-      }
+   for(auto i = contents.begin(); i != contents.end(); ++i)
+      if(predicate(i->first, i->second))
+         out.insert(std::make_pair(i->first, i->second));
 
    return out;
    }
@@ -71,12 +49,9 @@ Data_Store::search_with(const Matcher& matcher) const
 */
 std::vector<std::string> Data_Store::get(const std::string& looking_for) const
    {
-   typedef std::multimap<std::string, std::string>::const_iterator iter;
-
-   std::pair<iter, iter> range = contents.equal_range(looking_for);
-
    std::vector<std::string> out;
-   for(iter i = range.first; i != range.second; ++i)
+   auto range = contents.equal_range(looking_for);
+   for(auto i = range.first; i != range.second; ++i)
       out.push_back(i->second);
    return out;
    }
@@ -144,7 +119,7 @@ void Data_Store::add(const std::string& key, const std::string& val)
 */
 void Data_Store::add(const std::string& key, u32bit val)
    {
-   add(key, to_string(val));
+   add(key, std::to_string(val));
    }
 
 /*
diff --git a/src/utils/datastor/datastor.h b/src/utils/datastor/datastor.h
index 8d41b07a8..26a0d418c 100644
--- a/src/utils/datastor/datastor.h
+++ b/src/utils/datastor/datastor.h
@@ -9,6 +9,7 @@
 #define BOTAN_DATA_STORE_H__
 
 #include <botan/secmem.h>
+#include <functional>
 #include <utility>
 #include <string>
 #include <vector>
@@ -25,22 +26,10 @@ class BOTAN_DLL Data_Store
       /**
       * A search function
       */
-      class BOTAN_DLL Matcher
-         {
-         public:
-            virtual bool operator()(const std::string&,
-                                    const std::string&) const = 0;
-
-            virtual std::pair<std::string, std::string>
-               transform(const std::string&, const std::string&) const;
-
-            virtual ~Matcher() {}
-         };
-
       bool operator==(const Data_Store&) const;
 
-      std::multimap<std::string, std::string>
-         search_with(const Matcher&) const;
+      std::multimap<std::string, std::string> search_for(
+         std::function<bool (std::string, std::string)> predicate) const;
 
       std::vector<std::string> get(const std::string&) const;
 
diff --git a/src/utils/exceptn.h b/src/utils/exceptn.h
index 1177a4e7d..8c74420df 100644
--- a/src/utils/exceptn.h
+++ b/src/utils/exceptn.h
@@ -56,7 +56,7 @@ struct BOTAN_DLL Invalid_Key_Length : public Invalid_Argument
    {
    Invalid_Key_Length(const std::string& name, size_t length) :
       Invalid_Argument(name + " cannot accept a key of length " +
-                       to_string(length))
+                       std::to_string(length))
       {}
    };
 
@@ -78,7 +78,7 @@ struct BOTAN_DLL Invalid_Block_Size : public Invalid_Argument
 struct BOTAN_DLL Invalid_IV_Length : public Invalid_Argument
    {
    Invalid_IV_Length(const std::string& mode, size_t bad_len) :
-      Invalid_Argument("IV length " + to_string(bad_len) +
+      Invalid_Argument("IV length " + std::to_string(bad_len) +
                        " is invalid for " + mode)
       {}
    };
diff --git a/src/utils/info.txt b/src/utils/info.txt
index fcf16bd5a..4350ed410 100644
--- a/src/utils/info.txt
+++ b/src/utils/info.txt
@@ -9,7 +9,6 @@ cpuid.cpp
 mlock.cpp
 parsing.cpp
 time.cpp
-ui.cpp
 version.cpp
 </source>
 
@@ -34,7 +33,6 @@ parsing.h
 rotate.h
 time.h
 types.h
-ui.h
 version.h
 get_byte.h
 </header:public>
diff --git a/src/utils/parsing.cpp b/src/utils/parsing.cpp
index 9ec00040c..ff0718bb0 100644
--- a/src/utils/parsing.cpp
+++ b/src/utils/parsing.cpp
@@ -13,53 +13,6 @@
 namespace Botan {
 
 /*
-* Convert a string into an integer
-*/
-u32bit to_u32bit(const std::string& number)
-   {
-   u32bit n = 0;
-
-   for(std::string::const_iterator i = number.begin(); i != number.end(); ++i)
-      {
-      const u32bit OVERFLOW_MARK = 0xFFFFFFFF / 10;
-
-      if(*i == ' ')
-         continue;
-
-      byte digit = Charset::char2digit(*i);
-
-      if((n > OVERFLOW_MARK) || (n == OVERFLOW_MARK && digit > 5))
-         throw Decoding_Error("to_u32bit: Integer overflow");
-      n *= 10;
-      n += digit;
-      }
-   return n;
-   }
-
-/*
-* Convert an integer into a string
-*/
-std::string to_string(u64bit n, size_t min_len)
-   {
-   std::string lenstr;
-   if(n)
-      {
-      while(n > 0)
-         {
-         lenstr = Charset::digit2char(n % 10) + lenstr;
-         n /= 10;
-         }
-      }
-   else
-      lenstr = "0";
-
-   while(lenstr.size() < min_len)
-      lenstr = "0" + lenstr;
-
-   return lenstr;
-   }
-
-/*
 * Convert a string into a time duration
 */
 u32bit timespec_to_u32bit(const std::string& timespec)
@@ -106,7 +59,7 @@ std::vector<std::string> parse_algorithm_name(const std::string& namex)
    elems.push_back(name.substr(0, name.find('(')));
    name = name.substr(name.find('('));
 
-   for(std::string::const_iterator i = name.begin(); i != name.end(); ++i)
+   for(auto i = name.begin(); i != name.end(); ++i)
       {
       char c = *i;
 
@@ -155,7 +108,7 @@ std::vector<std::string> split_on(const std::string& str, char delim)
    if(str == "") return elems;
 
    std::string substr;
-   for(std::string::const_iterator i = str.begin(); i != str.end(); ++i)
+   for(auto i = str.begin(); i != str.end(); ++i)
       {
       if(*i == delim)
          {
@@ -182,7 +135,7 @@ std::vector<u32bit> parse_asn1_oid(const std::string& oid)
    std::string substring;
    std::vector<u32bit> oid_elems;
 
-   for(std::string::const_iterator i = oid.begin(); i != oid.end(); ++i)
+   for(auto i = oid.begin(); i != oid.end(); ++i)
       {
       char c = *i;
 
@@ -212,8 +165,8 @@ std::vector<u32bit> parse_asn1_oid(const std::string& oid)
 */
 bool x500_name_cmp(const std::string& name1, const std::string& name2)
    {
-   std::string::const_iterator p1 = name1.begin();
-   std::string::const_iterator p2 = name2.begin();
+   auto p1 = name1.begin();
+   auto p2 = name2.begin();
 
    while((p1 != name1.end()) && Charset::is_space(*p1)) ++p1;
    while((p2 != name2.end()) && Charset::is_space(*p2)) ++p2;
@@ -258,9 +211,9 @@ u32bit string_to_ipv4(const std::string& str)
 
    u32bit ip = 0;
 
-   for(size_t i = 0; i != parts.size(); ++i)
+   for(auto part = parts.begin(); part != parts.end(); ++part)
       {
-      u32bit octet = to_u32bit(parts[i]);
+      u32bit octet = to_u32bit(*part);
 
       if(octet > 255)
          throw Decoding_Error("Invalid IP string " + str);
@@ -282,7 +235,7 @@ std::string ipv4_to_string(u32bit ip)
       {
       if(i)
          str += ".";
-      str += to_string(get_byte(i, ip));
+      str += std::to_string(get_byte(i, ip));
       }
 
    return str;
diff --git a/src/utils/parsing.h b/src/utils/parsing.h
index 12370bf2b..98dcd82b5 100644
--- a/src/utils/parsing.h
+++ b/src/utils/parsing.h
@@ -48,19 +48,12 @@ BOTAN_DLL bool x500_name_cmp(const std::string& name1,
                              const std::string& name2);
 
 /**
-* Convert a number to a string
-* @param n the integer to convert to a string
-* @param min_len the min length of the output string
-* @return n convert to a string
-*/
-BOTAN_DLL std::string to_string(u64bit n, size_t min_len = 0);
-
-/**
 * Convert a string to a number
 * @param str the string to convert
 * @return number value of the string
 */
-BOTAN_DLL u32bit to_u32bit(const std::string& str);
+inline u32bit to_u32bit(const std::string& str)
+   { return std::stoul(str); }
 
 /**
 * Convert a time specification to a number
diff --git a/src/utils/stl_util.h b/src/utils/stl_util.h
index 0e0617d5b..0eb078244 100644
--- a/src/utils/stl_util.h
+++ b/src/utils/stl_util.h
@@ -12,27 +12,7 @@
 
 namespace Botan {
 
-/**
-* Copy-on-Predicate Algorithm
-* @param current the first iterator value
-* @param end the final iterator value
-* @param dest an output iterator
-* @param copy_p the predicate
-*/
-template<typename InputIterator, typename OutputIterator, typename Predicate>
-OutputIterator copy_if(InputIterator current, InputIterator end,
-                       OutputIterator dest, Predicate copy_p)
-   {
-   while(current != end)
-      {
-      if(copy_p(*current))
-         *dest++ = *current;
-      ++current;
-      }
-   return dest;
-   }
-
-/**
+/*
 * Searching through a std::map
 * @param mapping the map to search
 * @param key is what to look for
@@ -50,26 +30,17 @@ inline V search_map(const std::map<K, V>& mapping,
    return i->second;
    }
 
-/**
-* Function adaptor for delete operation
-*/
-template<class T>
-class del_fun : public std::unary_function<T, void>
+template<typename K, typename V, typename R>
+inline R search_map(const std::map<K, V>& mapping, const K& key,
+                    const R& null_result, const R& found_result)
    {
-   public:
-      void operator()(T* ptr) { delete ptr; }
-   };
-
-/**
-* Delete the second half of a pair of objects
-*/
-template<typename Pair>
-void delete2nd(Pair& pair)
-   {
-   delete pair.second;
+   typename std::map<K, V>::const_iterator i = mapping.find(key);
+   if(i == mapping.end())
+      return null_result;
+   return found_result;
    }
 
-/**
+/*
 * Insert a key/value pair into a multimap
 */
 template<typename K, typename V>
diff --git a/src/utils/time.cpp b/src/utils/time.cpp
index 65e808c04..d5b74828b 100644
--- a/src/utils/time.cpp
+++ b/src/utils/time.cpp
@@ -47,7 +47,7 @@ u64bit combine_timers(u32bit seconds, u32bit parts, u32bit parts_hz)
    return res;
    }
 
-std::tm do_gmtime(time_t time_val)
+std::tm do_gmtime(std::time_t time_val)
    {
    std::tm tm;
 
@@ -68,19 +68,12 @@ std::tm do_gmtime(time_t time_val)
 }
 
 /*
-* Get the system clock
-*/
-u64bit system_time()
-   {
-   return static_cast<u64bit>(std::time(0));
-   }
-
-/*
 * Convert a time_point to a calendar_point
 */
-calendar_point calendar_value(u64bit a_time_t)
+calendar_point calendar_value(
+   const std::chrono::system_clock::time_point& time_point)
    {
-   std::tm tm = do_gmtime(static_cast<std::time_t>(a_time_t));
+   std::tm tm = do_gmtime(std::chrono::system_clock::to_time_t(time_point));
 
    return calendar_point(tm.tm_year + 1900,
                          tm.tm_mon + 1,
diff --git a/src/utils/time.h b/src/utils/time.h
index fcc956df2..516efba3e 100644
--- a/src/utils/time.h
+++ b/src/utils/time.h
@@ -9,6 +9,7 @@
 #define BOTAN_TIME_H__
 
 #include <botan/types.h>
+#include <chrono>
 
 namespace Botan {
 
@@ -50,16 +51,12 @@ struct BOTAN_DLL calendar_point
       year(y), month(mon), day(d), hour(h), minutes(min), seconds(sec) {}
    };
 
-/**
+/*
 * @param time_point a time point from the system clock
 * @return calendar_point object representing this time point
 */
-BOTAN_DLL calendar_point calendar_value(u64bit time_point);
-
-/**
-* @return seconds resolution timestamp, unknown epoch
-*/
-BOTAN_DLL u64bit system_time();
+BOTAN_DLL calendar_point calendar_value(
+   const std::chrono::system_clock::time_point& time_point);
 
 /**
 * @return nanoseconds resolution timestamp, unknown epoch
diff --git a/src/utils/ui.cpp b/src/utils/ui.cpp
deleted file mode 100644
index e6c3430ff..000000000
--- a/src/utils/ui.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
-* User Interface
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/ui.h>
-
-namespace Botan {
-
-/*
-* Get a passphrase from the user
-*/
-std::string User_Interface::get_passphrase(const std::string&,
-                                           const std::string&,
-                                           UI_Result& action) const
-   {
-   action = OK;
-
-   if(!first_try)
-      action = CANCEL_ACTION;
-
-   return preset_passphrase;
-   }
-
-/*
-* User_Interface Constructor
-*/
-User_Interface::User_Interface(const std::string& preset) :
-   preset_passphrase(preset)
-   {
-   first_try = true;
-   }
-
-}
diff --git a/src/utils/ui.h b/src/utils/ui.h
deleted file mode 100644
index f69bb2c6d..000000000
--- a/src/utils/ui.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-* User Interface
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_UI_H__
-#define BOTAN_UI_H__
-
-#include <botan/build.h>
-#include <string>
-
-namespace Botan {
-
-/**
-* User Interface
-* Only really used for callbacks for PKCS #8 decryption
-*/
-class BOTAN_DLL User_Interface
-   {
-   public:
-      enum UI_Result { OK, CANCEL_ACTION };
-
-      virtual std::string get_passphrase(const std::string&,
-                                         const std::string&,
-                                         UI_Result&) const;
-      User_Interface(const std::string& = "");
-      virtual ~User_Interface() {}
-   protected:
-      std::string preset_passphrase;
-      mutable bool first_try;
-   };
-
-}
-
-#endif