1 files changed, 88 insertions, 0 deletions
diff --git a/shake128.c b/shake128.c
new file mode 100644
index 0000000..d0ac638
--- /dev/null
+++ b/shake128.c
@@ -0,0 +1,88 @@
+/* See LICENSE file for copyright and license details. */
+#ifdef SUPPORT_SHAKE
+# define TEST
+# include "common.h"
+
+
+#define MSG5 "\x13"
+#define MSG30 "\x53\x58\x7B\x19"
+#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
+#define MSG1605 MSG1600_800 MSG1600_800 "\x03"
+#define MSG1630 MSG1600_800 MSG1600_800 "\xA3\xA3\xA3\x23"
+
+
+static struct testcase testcases[] = {
+	{1, 0, "",      "7f9c2ba4e88f827d616045507605853e"},
+	{1, 5, MSG5,    "2e0abfba83e6720bfbc225ff6b7ab9ff"},
+	{1, 6, MSG30,   "6d5d39c55f3cca567feaf422dc64ba17"},
+	{1, 0, MSG1600, "131ab8d2b594946b9c81333f9bb6e0ce"},
+	{1, 5, MSG1605, "4ac38ebd1678b4a452792c5673f9777d"},
+	{1, 6, MSG1630, "89846dc776ac0f014572ea79f5607734"}
+};
+
+
+#else
+# define TEST_UNSUPPORTED
+# include "common.h"
+#endif
+
+
+static int
+main_test(void)
+{
+	TEST_MAIN("SHAKE128", SHAKE128);
+}
+
+
+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_shake128_hasher(&hasher, 8));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE128[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, "7f"));
+
+	ASSERT(!libhashsum_init_shake128_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE128[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, "7f9c2ba4"));
+
+	ASSERT(!libhashsum_init_shake128_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE128[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, "131ab8d2"));
+
+	ASSERT(!libhashsum_init_shake128_hasher(&hasher, 128));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE128"));
+	ASSERT(!hasher.finalise_const(&hasher, MSG1600, 1600/8, 0));
+	ASSERT(hasher.hash_size == 128/8);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "131ab8d2b594946b9c81333f9bb6e0ce"));
+
+	ASSERT(!libhashsum_init_shake128_hasher(&hasher, 256));
+	ASSERT(!strcmp(hasher.algorithm_string, "SHAKE128[n=256]"));
+	ASSERT(!hasher.finalise_const(&hasher, MSG1600, 1600/8, 0));
+	ASSERT(hasher.hash_size == 256/8);
+	hex(hexsum, hasher.hash_output, hasher.hash_size);
+	ASSERT(!strcmp(hexsum, "131ab8d2b594946b9c81333f9bb6e0ce75c3b93104fa3469d3917457385da037"));
+
+	return 0;
+}