string: Add support for SHA-3 algorithms

Help/command/string.rst

@@ -230,6 +230,14 @@ The supported ``<HASH>`` algorithm names are:
   US Secure Hash Algorithms, RFC 4634.
 ``SHA512``
   US Secure Hash Algorithms, RFC 4634.
+``SHA3_224``
+  Keccak SHA-3.
+``SHA3_256``
+  Keccak SHA-3.
+``SHA3_384``
+  Keccak SHA-3.
+``SHA3_512``
+  Keccak SHA-3.
 
 Generation
 ^^^^^^^^^^

Source/cmStringCommand.cxx

@@ -36,7 +36,9 @@ bool cmStringCommand::InitialPass(std::vector<std::string> const& args,
   }
   if (subCommand == "MD5" || subCommand == "SHA1" || subCommand == "SHA224" ||
       subCommand == "SHA256" || subCommand == "SHA384" ||
-      subCommand == "SHA512") {
+      subCommand == "SHA512" || subCommand == "SHA3_224" ||
+      subCommand == "SHA3_256" || subCommand == "SHA3_384" ||
+      subCommand == "SHA3_512") {
     return this->HandleHashCommand(args);
   }
   if (subCommand == "TOLOWER") {

Tests/CMakeTests/String-SHA3_224-Works.cmake

+string(SHA3_224 sha3_224 "sample input string\n")
+message("${sha3_224}")

Tests/CMakeTests/String-SHA3_256-Works.cmake

+string(SHA3_256 sha3_256 "sample input string\n")
+message("${sha3_256}")

Tests/CMakeTests/String-SHA3_384-Works.cmake

+string(SHA3_384 sha3_384 "sample input string\n")
+message("${sha3_384}")

Tests/CMakeTests/String-SHA3_512-Works.cmake

+string(SHA3_512 sha3_512 "sample input string\n")
+message("${sha3_512}")

Tests/CMakeTests/StringTest.cmake.in

@@ -16,6 +16,14 @@ set(SHA384-Works-RESULT 0)
 set(SHA384-Works-STDERR "1de9560b4e030e02051ea408200ffc55d70c97ac64ebf822461a5c786f495c36df43259b14483bc8d364f0106f4971ee")
 set(SHA512-Works-RESULT 0)
 set(SHA512-Works-STDERR "3982a1b4e651768bec70ab1fb97045cb7a659f4ba7203d501c52ab2e803071f9d5fd272022df15f27727fc67f8cd022e710e29010b2a9c0b467c111e2f6abf51")
+set(SHA3_224-Works-RESULT 0)
+set(SHA3_224-Works-STDERR "4272868085f4f25080681a7712509fd12e16dcda79bd356836dd2100")
+set(SHA3_256-Works-RESULT 0)
+set(SHA3_256-Works-STDERR "be0df472b6bd474417a166d12f2774f2ef5095e86f0a88ef4c78c703800cfc8a")
+set(SHA3_384-Works-RESULT 0)
+set(SHA3_384-Works-STDERR "935a17cc708443c1369549483656a4521af03a52e4f3b314566272017ccae03a2c5db838f6d4c156b1dc5c366182481b")
+set(SHA3_512-Works-RESULT 0)
+set(SHA3_512-Works-STDERR "471a85ed537e8f77f31412a089f22d836054ffa179599f87a5d7568927d8fa236b6793ded8a387d1de92398c967177bcc6361672a722bf736cb0f63a0956d5cf")
 set(TIMESTAMP-BadArg1-RESULT 1)
 set(TIMESTAMP-BadArg1-STDERR "string sub-command TIMESTAMP requires at least one argument")
 set(TIMESTAMP-BadArg2-RESULT 1)
@@ -52,6 +60,10 @@ check_cmake_test(String
   SHA256-Works
   SHA384-Works
   SHA512-Works
+  SHA3_224-Works
+  SHA3_256-Works
+  SHA3_384-Works
+  SHA3_512-Works
   TIMESTAMP-BadArg1
   TIMESTAMP-BadArg2
   TIMESTAMP-BadArg3