1 files changed, 0 insertions, 101 deletions
diff --git a/butl/sha256 b/butl/sha256
deleted file mode 100644
index 1c20a57..0000000
--- a/butl/sha256
+++ /dev/null
@@ -1,101 +0,0 @@
-// file      : butl/sha256 -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef BUTL_SHA256
-#define BUTL_SHA256
-
-#include <string>
-#include <cstring> // strlen()
-#include <cstdint>
-#include <cstddef> // size_t
-
-#include <butl/export>
-
-namespace butl
-{
-  // SHA256 checksum calculator.
-  //
-  // For a single chunk of data a sum can be obtained in one line, for
-  // example:
-  //
-  // cerr << sha256 ("123").string () << endl;
-  //
-  class LIBBUTL_EXPORT sha256
-  {
-  public:
-    sha256 ();
-
-    // Append binary data.
-    //
-    void
-    append (const void*, std::size_t);
-
-    sha256 (const void* b, std::size_t n): sha256 () {append (b, n);}
-
-    // Append string.
-    //
-    // Note that the hash includes the '\0' terminator. Failed that, a call
-    // with an empty string will be indistinguishable from no call at all.
-    //
-    void
-    append (const std::string& s) {append (s.c_str (), s.size () + 1);}
-
-    void
-    append (const char* s) {append (s, std::strlen (s) + 1);}
-
-    explicit
-    sha256 (const std::string& s): sha256 () {append (s);}
-
-    explicit
-    sha256 (const char* s): sha256 () {append (s);}
-
-    // Extract result.
-    //
-    // It can be obtained as either a 32-byte binary digest or as a 64-
-    // character hex-encoded C-string.
-    //
-    using digest_type = std::uint8_t[32];
-
-    const digest_type&
-    binary () const;
-
-    const char*
-    string () const;
-
-  public:
-    struct context
-    {
-      std::uint32_t state[8];
-      std::uint64_t count;
-      std::uint8_t buf[64];
-    };
-
-  private:
-    union
-    {
-      mutable context ctx_;
-      mutable char str_[65];
-    };
-
-    mutable digest_type bin_;
-    mutable bool done_;
-  };
-
-  // Convert a SHA256 string representation (64 hex digits) to the fingerprint
-  // canonical representation (32 colon-separated upper case hex digit pairs,
-  // like 01:AB:CD:...). Throw invalid_argument if the argument is not a valid
-  // SHA256 string.
-  //
-  LIBBUTL_EXPORT std::string
-  sha256_to_fingerprint (const std::string&);
-
-  // Convert a fingerprint (32 colon-separated hex digit pairs) to the SHA256
-  // string representation (64 lower case hex digits). Throw invalid_argument
-  // if the argument is not a valid fingerprint.
-  //
-  LIBBUTL_EXPORT std::string
-  fingerprint_to_sha256 (const std::string&);
-}
-
-#endif // BUTL_SHA256