1 files changed, 88 insertions, 0 deletions
diff --git a/shake512.c b/shake512.c
new file mode 100644
index 0000000..ac6e951
--- /dev/null
+++ b/shake512.c
@@ -0,0 +1,88 @@
+/* See LICENSE file for copyright and license details. */
+#ifdef SUPPORT_SHAKE
+# define TEST
+# include "common.h"
+
+
+#define MSG1600_32 "\xA3\xA3\xA3\xA3"
+#define MSG1600_160 MSG1600_32 MSG1600_32 MSG1600_32 MSG1600_32 MSG1600_32
+#define MSG1600_800 MSG1600_160 MSG1600_160 MSG1600_160 MSG1600_160 MSG1600_160
+#define MSG1600 MSG1600_800 MSG1600_800
+
+
+static struct testcase testcases[] = {
+	{1, 0, "",
+	 "ae1b4eea1eaf5ea633e66045f03ff11b8b7d3193119075442117bd786dfd939f"
+	 "25a53a30fae503488d42683c1917b3964f6b1cf5d27c2b40cbaf53c5b749666a"},
+	{1, 0, MSG1600,
+	 "9701303d390f51968c25b6eee54816d19ab149a1c06b0625940bb8e04a1ceccd"
+	 "d88010234f53abbbaf181f49761a3ecefaee56de7b59b5aaf0031e3c1552c9ac"}
+};
+
+
+#else
+# define TEST_UNSUPPORTED
+# include "common.h"
+#endif
+
+
+static int
+main_test(void)
+{
+	TEST_MAIN("SHAKE512", SHAKE512);
+}
+
+
+int
+main(void)
+{
+#ifdef SUPPORT_SHAKE
+	struct libhashsum_hasher hasher;
+	char hexsum[1024];
+#endif
+
+	int r = main_test();
+	if (r)
+		return r;
+
+	ASSERT(!libhashsum_init_shake512_hasher(&hasher, 8));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE512[n=8]"));
+	ASSERT(!hasher.finalise_const(&hasher, "", 0, 0));
+	ASSERT(hasher.hash_size == 1);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "ae"));
+
+	ASSERT(!libhashsum_init_shake512_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE512[n=32]"));
+	ASSERT(!hasher.finalise_const(&hasher, "", 0, 0));
+	ASSERT(hasher.hash_size == 4);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "ae1b4eea"));
+
+	ASSERT(!libhashsum_init_shake512_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE512[n=32]"));
+	ASSERT(!hasher.finalise_const(&hasher, MSG1600, 1600/8, 0));
+	ASSERT(hasher.hash_size == 4);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "9701303d"));
+
+	ASSERT(!libhashsum_init_shake512_hasher(&hasher, 512));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE512"));
+	ASSERT(!hasher.finalise_const(&hasher, MSG1600, 1600/8, 0));
+	ASSERT(hasher.hash_size == 512/8);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "9701303d390f51968c25b6eee54816d19ab149a1c06b0625940bb8e04a1ceccd"
+	                       "d88010234f53abbbaf181f49761a3ecefaee56de7b59b5aaf0031e3c1552c9ac"));
+
+	ASSERT(!libhashsum_init_shake512_hasher(&hasher, 1024));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE512[n=1024]"));
+	ASSERT(!hasher.finalise_const(&hasher, MSG1600, 1600/8, 0));
+	ASSERT(hasher.hash_size == 1024/8);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "9701303d390f51968c25b6eee54816d19ab149a1c06b0625940bb8e04a1ceccd"
+	                       "d88010234f53abbbaf181f49761a3ecefaee56de7b59b5aaf0031e3c1552c9ac"
+	                       "40dfaf6aac934fd644dbc4a3d753e1f3845a5901f415dff2a88440f6a8f5688f"
+	                       "f26e68ecc6ad23acf18e0a54be745db919fab01f77a251d5f66b01e2426bf020"));
+
+	return 0;
+}