1 files changed, 81 insertions, 0 deletions
diff --git a/rawshake256.c b/rawshake256.c
new file mode 100644
index 0000000..e7836f0
--- /dev/null
+++ b/rawshake256.c
@@ -0,0 +1,81 @@
+/* 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, "",      "3a1108d4a90a31b85a10bdce77f4bfbdcc5b1d70dd405686f8bbde834aa1a410"},
+	{1, 0, MSG1600, "f353b1260d7a0adb3f5c08bf292f3372ad3ee4630d56cf11ba15ddfb2e70e7a2"}
+};
+
+
+#else
+# define TEST_UNSUPPORTED
+# include "common.h"
+#endif
+
+
+static int
+main_test(void)
+{
+	TEST_MAIN("RawSHAKE256", RAWSHAKE256);
+}
+
+
+int
+main(void)
+{
+#ifdef SUPPORT_RAWSHAKE
+	struct libhashsum_hasher hasher;
+	char hexsum[1024];
+#endif
+
+	int r = main_test();
+	if (r)
+		return r;
+
+	ASSERT(!libhashsum_init_rawshake256_hasher(&hasher, 8));
+	ASSERT(!strcmp(hasher.algorithm_string, "RawSHAKE256[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, "3a"));
+
+	ASSERT(!libhashsum_init_rawshake256_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "RawSHAKE256[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, "3a1108d4"));
+
+	ASSERT(!libhashsum_init_rawshake256_hasher(&hasher, 32));
+	ASSERT(!strcmp(hasher.algorithm_string, "RawSHAKE256[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, "f353b126"));
+
+	ASSERT(!libhashsum_init_rawshake256_hasher(&hasher, 256));
+	ASSERT(!strcmp(hasher.algorithm_string, "RawSHAKE256"));
+	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, "f353b1260d7a0adb3f5c08bf292f3372ad3ee4630d56cf11ba15ddfb2e70e7a2"));
+
+	ASSERT(!libhashsum_init_rawshake256_hasher(&hasher, 512));
+	ASSERT(!strcmp(hasher.algorithm_string, "RawSHAKE256[n=512]"));
+	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, "f353b1260d7a0adb3f5c08bf292f3372ad3ee4630d56cf11ba15ddfb2e70e7a2"
+	                       "3898431eb2500666c27251025869b0a6251029ba184e6075f5b3118cdc4abaa9"));
+
+	return 0;
+}