add more rfc6979 test vectors by fpgaminer

tests.c

@@ -181,9 +181,32 @@ START_TEST(test_rfc6979)
 	SHA256_Raw((uint8_t *)"sample", 6, buf);
 	res = generate_k_rfc6979(&k, fromhex("cca9fbcc1b41e5a95d369eaa6ddcff73b61a4efaa279cfc6567e8daa39cbaf50"), buf);
 	ck_assert_int_eq(res, 0);
-
 	bn_write_be(&k, buf);
 	ck_assert_mem_eq(buf, fromhex("2df40ca70e639d89528a6b670d9d48d9165fdc0febc0974056bdce192b8e16a3"), 32);
+
+	SHA256_Raw((uint8_t *)"Satoshi Nakamoto", 16, buf);
+	res = generate_k_rfc6979(&k, fromhex("0000000000000000000000000000000000000000000000000000000000000001"), buf);
+	ck_assert_int_eq(res, 0);
+	bn_write_be(&k, buf);
+	ck_assert_mem_eq(buf, fromhex("8f8a276c19f4149656b280621e358cce24f5f52542772691ee69063b74f15d15"), 32);
+
+	SHA256_Raw((uint8_t *)"Satoshi Nakamoto", 16, buf);
+	res = generate_k_rfc6979(&k, fromhex("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140"), buf);
+	ck_assert_int_eq(res, 0);
+	bn_write_be(&k, buf);
+	ck_assert_mem_eq(buf, fromhex("33a19b60e25fb6f4435af53a3d42d493644827367e6453928554f43e49aa6f90"), 32);
+
+	SHA256_Raw((uint8_t *)"Alan Turing", 11, buf);
+	res = generate_k_rfc6979(&k, fromhex("f8b8af8ce3c7cca5e300d33939540c10d45ce001b8f252bfbc57ba0342904181"), buf);
+	ck_assert_int_eq(res, 0);
+	bn_write_be(&k, buf);
+	ck_assert_mem_eq(buf, fromhex("525a82b70e67874398067543fd84c83d30c175fdc45fdeee082fe13b1d7cfdf1"), 32);
+
+	SHA256_Raw((uint8_t *)"All those moments will be lost in time, like tears in rain. Time to die...", 74, buf);
+	res = generate_k_rfc6979(&k, fromhex("0000000000000000000000000000000000000000000000000000000000000001"), buf);
+	ck_assert_int_eq(res, 0);
+	bn_write_be(&k, buf);
+	ck_assert_mem_eq(buf, fromhex("38aa22d72376b4dbc472e06c3ba403ee0a394da63fc58d88686c611aba98d6b3"), 32);
 }
 END_TEST