X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcrypto%2Fhkdf_sha256%2Ftest%2Fapi-rfc5869.c;fp=ccan%2Fcrypto%2Fhkdf_sha256%2Ftest%2Fapi-rfc5869.c;h=3e3bdbfdf60d0854f2fa283debc008b34472e129;hb=33ba12adf082b9432ae0471b6bb742cde14254ed;hp=0000000000000000000000000000000000000000;hpb=ce907a7f849c8cce11083864bf39c84a0f6c7810;p=ccan

diff --git a/ccan/crypto/hkdf_sha256/test/api-rfc5869.c b/ccan/crypto/hkdf_sha256/test/api-rfc5869.c
new file mode 100644
index 00000000..3e3bdbfd
--- /dev/null
+++ b/ccan/crypto/hkdf_sha256/test/api-rfc5869.c
@@ -0,0 +1,101 @@
+/* From RFC5869 Appendix A
+ *
+ * https://tools.ietf.org/html/rfc5869
+ */
+#include <ccan/crypto/hkdf_sha256/hkdf_sha256.h>
+#include <ccan/tap/tap.h>
+#include <ccan/str/hex/hex.h>
+#include <string.h>
+#include <assert.h>
+
+struct test {
+	const char *ikm, *salt, *info, *okm;
+};
+
+static struct test tests[] = { {
+	/* Test Case 1
+	   Basic test case with SHA-256
+	*/
+	"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", /* (22 octets) */
+	"000102030405060708090a0b0c", /* (13 octets) */
+	"f0f1f2f3f4f5f6f7f8f9", /* (10 octets) */
+	"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865", /* (42 octets) */
+	},
+	{
+	/* Test Case 2
+	 *
+	 * Test with SHA-256 and longer inputs/outputs */
+	"000102030405060708090a0b0c0d0e0f"
+	"101112131415161718191a1b1c1d1e1f"
+	"202122232425262728292a2b2c2d2e2f"
+	"303132333435363738393a3b3c3d3e3f"
+	"404142434445464748494a4b4c4d4e4f", /* (80 octets) */
+	"606162636465666768696a6b6c6d6e6f"
+	"707172737475767778797a7b7c7d7e7f"
+	"808182838485868788898a8b8c8d8e8f"
+	"909192939495969798999a9b9c9d9e9f"
+	"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf", /* (80 octets )*/
+	"b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
+	"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
+	"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
+	"e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
+	"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", /* (80 octets) */
+	"b11e398dc80327a1c8e7f78c596a4934"
+	"4f012eda2d4efad8a050cc4c19afa97c"
+	"59045a99cac7827271cb41c65e590e09"
+	"da3275600c2f09b8367793a9aca3db71"
+	"cc30c58179ec3e87c14c01d5c1f3434f"
+	"1d87" /* (82 octets) */
+	},
+	{
+	/*  Test Case 3
+	 *
+	 * Test with SHA-256 and zero-length salt/info
+	 */
+	"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", /* (22 octets) */
+	"", /* (0 octets) */
+	"", /* (0 octets) */
+	"8da4e775a563c18f715f802a063c5a31"
+	"b8a11f5c5ee1879ec3454e5f3c738d2d"
+	"9d201395faa4b61a96c8" /* (42 octets) */
+	}
+};
+
+static void *fromhex(const char *str, size_t *len)
+{
+	void *p;
+
+	*len = hex_data_size(strlen(str));
+	p = malloc(*len);
+	if (!hex_decode(str, strlen(str), p, *len))
+		abort();
+	return p;
+}
+
+int main(void)
+{
+	size_t i;
+
+	plan_tests(sizeof(tests) / sizeof(tests[0]));
+
+	for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+		size_t ksize, ssize, isize, okmsize;
+		void *k, *s, *info, *expect, *okm;
+
+		k = fromhex(tests[i].ikm, &ksize);
+		s = fromhex(tests[i].salt, &ssize);
+		info = fromhex(tests[i].info, &isize);
+		expect = fromhex(tests[i].okm, &okmsize);
+		okm = malloc(okmsize);
+		hkdf_sha256(okm, okmsize, s, ssize, k, ksize, info, isize);
+		ok1(memcmp(okm, expect, okmsize) == 0);
+
+		free(k);
+		free(s);
+		free(info);
+		free(expect);
+		free(okm);
+	}
+
+	return exit_status();
+}