From 61377c582e0f2675baa5f5e6e30a35d1a4164b33 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 1 May 2017 16:08:43 +0300
Subject: Add hxx extension for headers and lib prefix for library dir

---
 butl/sha256.cxx | 142 --------------------------------------------------------
 1 file changed, 142 deletions(-)
 delete mode 100644 butl/sha256.cxx

(limited to 'butl/sha256.cxx')

diff --git a/butl/sha256.cxx b/butl/sha256.cxx
deleted file mode 100644
index fa14d0e..0000000
--- a/butl/sha256.cxx
+++ /dev/null
@@ -1,142 +0,0 @@
-// file      : butl/sha256.cxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#include <butl/sha256>
-
-// C interface for sha256c.
-//
-#include <stdint.h>
-#include <stddef.h> // size_t
-
-#include <cctype>    // isxdigit()
-#include <stdexcept> // invalid_argument
-
-#include <butl/utility> // ucase(), lcase()
-
-using SHA256_CTX = butl::sha256::context;
-
-extern "C"
-{
-  static void SHA256_Init (SHA256_CTX*);
-  static void SHA256_Update (SHA256_CTX*, const void*, size_t);
-  static void SHA256_Final (uint8_t[32], SHA256_CTX*);
-
-#include "sha256c.c"
-}
-
-using namespace std;
-
-namespace butl
-{
-  // sha256
-  //
-  sha256::
-  sha256 ()
-      : done_ (false)
-  {
-    SHA256_Init (&ctx_);
-  }
-
-  void sha256::
-  append (const void* b, size_t n)
-  {
-    SHA256_Update (&ctx_, b, n);
-  }
-
-  const sha256::digest_type& sha256::
-  binary () const
-  {
-    if (!done_)
-    {
-      SHA256_Final (bin_, &ctx_);
-      done_ = true;
-      str_[0] = '\0'; // Indicate we haven't computed the string yet.
-    }
-
-    return bin_;
-  }
-
-  static const char hex_map[16] = {
-    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
-    'a', 'b', 'c', 'd', 'e', 'f'};
-
-  const char* sha256::
-  string () const
-  {
-    if (!done_)
-      binary ();
-
-    if (str_[0] == '\0')
-    {
-      for (size_t i (0); i != 32; ++i)
-      {
-        str_[i * 2]     = hex_map[bin_[i] >> 4];
-        str_[i * 2 + 1] = hex_map[bin_[i] & 0x0f];
-      }
-
-      str_[64] = '\0';
-    }
-
-    return str_;
-  }
-
-  // Conversion functions
-  //
-  string
-  sha256_to_fingerprint (const string& s)
-  {
-    auto bad = []() {throw invalid_argument ("invalid SHA256 string");};
-
-    size_t n (s.size ());
-    if (n != 64)
-      bad ();
-
-    string f;
-    f.reserve (n + 31);
-    for (size_t i (0); i < n; ++i)
-    {
-      char c (s[i]);
-      if (!isxdigit (c))
-        bad ();
-
-      if (i > 0 && i % 2 == 0)
-        f += ":";
-
-      f += ucase (c);
-    }
-
-    return f;
-  }
-
-  string
-  fingerprint_to_sha256 (const string& f)
-  {
-    auto bad = []() {throw invalid_argument ("invalid fingerprint");};
-
-    size_t n (f.size ());
-    if (n != 32 * 3 - 1)
-      bad ();
-
-    string s;
-    s.reserve (64);
-    for (size_t i (0); i < n; ++i)
-    {
-      char c (f[i]);
-      if ((i + 1) % 3 == 0)
-      {
-        if (c != ':')
-          bad ();
-      }
-      else
-      {
-        if (!isxdigit (c))
-          bad ();
-
-        s += lcase (c);
-      }
-    }
-
-    return s;
-  }
-}
-- 
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