+const uint8_t ecdsa_test_1_msg[] PROGMEM = {
+ 0xcf, 0x71, 0xa0, 0xe4, 0xce, 0x59, 0x43, 0x11,
+ 0x77, 0x88, 0x50, 0x87, 0x53, 0x78, 0xd0, 0xee,
+ 0xa3, 0xc0, 0x32, 0xa4, 0xbc, 0xc0, 0xdc, 0x1c,
+ 0xf2, 0x9d, 0x01, 0xb9, 0xc5, 0x10, 0x78, 0x9c,
+ 0xd5, 0x2f, 0xc3, 0x8c, 0x74, 0xe6, 0xa4, 0x27,
+ 0x87, 0xd0, 0xf2, 0x7c, 0xe2, 0x93, 0x20, 0x7a,
+ 0xfd, 0xd0, 0x11, 0x7a, 0xcc, 0x71, 0xb9, 0x16,
+ 0x63, 0x06, 0xce, 0x56, 0xf1, 0xa7, 0xf1, 0xc6,
+ 0x0a, 0x9d, 0x68, 0x7d, 0x12, 0x5e, 0xb0, 0x7e,
+ 0x26, 0xe5, 0x51, 0xdc, 0x14, 0x0e, 0x8a, 0x04,
+ 0xaf, 0xa2, 0xa1, 0x6f, 0x98, 0xb5, 0x1b, 0xa9,
+ 0x18, 0x96, 0xbf, 0x32, 0x0f, 0xd4, 0xd6, 0xf1,
+ 0xa4, 0x4b, 0x46, 0xf3, 0x3d, 0xae, 0x39, 0xcc,
+ 0x24, 0xf0, 0x4a, 0x5d, 0x86, 0x0c, 0xb1, 0x4f,
+ 0x6b, 0x6e, 0x8a, 0x69, 0x73, 0xb4, 0x9f, 0xd2,
+ 0xa7, 0xbc, 0xeb, 0x48, 0xd7, 0x48, 0xf7, 0xeb
+};
+
+const uint8_t ecdsa_test_1_d[] PROGMEM = {
+ 0xf3, 0xd7, 0x60, 0xd6, 0x75, 0xf2, 0xcc, 0xeb,
+ 0xf0, 0xd2, 0xfd, 0xb3, 0xb9, 0x41, 0x3f, 0xb0,
+ 0xf8, 0x4f, 0x37, 0xd1, 0xb3, 0x37, 0x4f, 0xe1
+};
+
+const uint8_t ecdsa_test_1_k[] PROGMEM = {
+ 0x25, 0x5f, 0x68, 0x89, 0xa2, 0x31, 0xbc, 0x57,
+ 0x4d, 0x15, 0xc4, 0x12, 0xfb, 0x56, 0x45, 0x68,
+ 0x83, 0x07, 0xa1, 0x43, 0x70, 0xbc, 0x0a, 0xcb
+};
+
+void test_sign1(void){
+ bigint_word_t d_w[sizeof(ecdsa_test_1_d)];
+ uint8_t msg[sizeof(ecdsa_test_1_msg)];
+ uint8_t rnd[sizeof(ecdsa_test_1_k)];
+ bigint_t d;
+ ecc_combi_point_t q;
+ ecdsa_signature_t sign;
+ ecdsa_ctx_t ctx;
+ d.wordv = d_w;
+ memcpy_P(msg, ecdsa_test_1_msg, sizeof(ecdsa_test_1_msg));
+ memcpy_P(rnd, ecdsa_test_1_k, sizeof(ecdsa_test_1_k));
+ memcpy_P(d_w, ecdsa_test_1_d, sizeof(ecdsa_test_1_d) * sizeof(bigint_word_t));
+ d.length_W = sizeof(ecdsa_test_1_d) / sizeof(bigint_word_t);
+ d.info = 0;
+ bigint_adjust(&d);
+
+ ecc_chudnovsky_point_alloc(&q.chudnovsky, nist_curve_p192_p.length_W * sizeof(bigint_word_t));
+ ctx.basepoint = &nist_curve_p192_basepoint.chudnovsky;
+ ctx.priv = &d;
+ ctx.curve = &nist_curve_p192;
+
+ printf("\n d:");
+ bigint_print_hex(&d);
+ printf_P(PSTR("\n Gx: "));
+ bigint_print_hex(&nist_curve_p192_basepoint.affine.x);
+ printf_P(PSTR("\n Gy: "));
+ bigint_print_hex(&nist_curve_p192_basepoint.affine.y);
+
+ ecc_chudnovsky_multiplication(&q.chudnovsky, &d, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ ecc_chudnovsky_to_affine_point(&q.affine, &q.chudnovsky, &nist_curve_p192);
+ printf_P(PSTR("\n Qx: "));
+ bigint_print_hex(&q.affine.x);
+ printf_P(PSTR("\n Qy: "));
+ bigint_print_hex(&q.affine.y);
+
+ ctx.pub = &q.affine;
+
+ ecdsa_signature_alloc(&sign, sizeof(ecdsa_test_1_d) * sizeof(bigint_word_t));
+
+ ecdsa_sign_message(&sign, msg, sizeof(msg) * 8, &sha1_desc, &ctx, rnd);
+
+ printf_P(PSTR("\n r: "));
+ bigint_print_hex(&sign.r);
+ printf_P(PSTR("\n r: "));
+ bigint_print_hex(&sign.s);
+
+
+ ecdsa_signature_free(&sign);
+ ecc_chudnovsky_point_free(&q.chudnovsky);
+}
+