sha3sum: new applet

function                                             old     new   delta
KeccakF                                                -     496    +496
KeccakF_RoundConstants                                 -     192    +192
sha3_hash                                              -     171    +171
sha3_end                                               -      40     +40
hash_file                                            274     299     +25
KeccakF_RotationConstants                              -      25     +25
KeccakF_PiLane                                         -      25     +25
packed_usage                                       29213   29232     +19
sha3_begin                                             -      18     +18
KeccakF_Mod5                                           -      10     +10
applet_names                                        2445    2453      +8
applet_main                                         1420    1424      +4
applet_nameofs                                       710     712      +2
------------------------------------------------------------------------------
(add/remove: 8/0 grow/shrink: 9/7 up/down: 1049/-54)         Total: ~995 bytes

Signed-off-by: Lauri Kasanen <curaga@operamail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/Config.src b/coreutils/Config.src
index a28449b..0c44c4b 100644
--- a/coreutils/Config.src
+++ b/coreutils/Config.src
@@ -514,6 +514,12 @@
 	help
 	  Compute and check SHA512 message digest
 
+config SHA3SUM
+	bool "sha3sum"
+	default y
+	help
+	  Compute and check SHA3 (512-bit) message digest
+
 config SLEEP
 	bool "sleep"
 	default y
@@ -766,13 +772,13 @@
 	help
 	  Allow df, du, and ls to have human readable output.
 
-comment "Common options for md5sum, sha1sum, sha256sum, sha512sum"
-	depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM
+comment "Common options for md5sum, sha1sum, sha256sum, sha512sum, sha3sum"
+	depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM || SHA3SUM
 
 config FEATURE_MD5_SHA1_SUM_CHECK
 	bool "Enable -c, -s and -w options"
 	default y
-	depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM
+	depends on MD5SUM || SHA1SUM || SHA256SUM || SHA512SUM || SHA3SUM
 	help
 	  Enabling the -c options allows files to be checked
 	  against pre-calculated hash values.