#include "base64_enc.h"
#include "base64_dec.h"
-char* algo_name = "ECDSA";
+char *algo_name = "ECDSA";
/*****************************************************************************
* additional validation-functions *
return (convert_hexchar_to_value(a) << 4) | convert_hexchar_to_value(b);
}
-void *hash_message(hfdesc_t* hash_function){
+void *hash_message(hfdesc_t *hash_function){
uint8_t *block, *hash_value;
uint16_t index = 0;
hfgen_ctx_t ctx;
printf_P(PSTR("\n Qy: "));
bigint_print_hex(&qa.y);
puts("\n");
+
+ ecc_affine_point_free(&qa);
+ ecc_chudnovsky_point_free(&q);
}
void testrun_genkey3(void){
printf_P(PSTR("\n Qy: "));
bigint_print_hex(&qa.y);
puts("\n");
+
+ ecc_affine_point_free(&qa);
+ ecc_chudnovsky_point_free(&q);
+
}
void testrun_genkey(void){
ecc_chudnovsky_point_free(&q);
ecc_affine_point_free(&qa);
}
+/*
+N is
+3128D2B4 B1C96B14 36F8DE99 FFFFFFFF FFFFFFFF FFFFFFFF 99DEF836 146BC9B1 B4D22831
+--------------------------------------------------------------
+C is
+78916860 32FD8057 F636B44B 1F47CCE5 64D25099 23A7465A
+--------------------------------------------------------------
+D is
+78916860 32FD8057 F636B44B 1F47CCE5 64D25099 23A7465B
+Q_x is
+FBA2AAC6 47884B50 4EB8CD5A 0A1287BA BCC62163 F606A9A2
+Q_y is
+DAE6D4CC 05EF4F27 D79EE38B 71C9C8EF 4865D988 50D84AA5
+*/
+
+void testrun_interm(void){
+ ecc_chudnovsky_point_t q;
+ ecc_affine_point_t qa;
+ uint32_t time;
+ bigint_t k;
+ uint8_t r;
+
+ printf_P(PSTR("\n== testing key generation ==\n"));
+
+ printf_P(PSTR("enter secret key d: "));
+ bigint_read_hex_echo(&k);
+ putchar('\n');
+
+ if(ecc_chudnovsky_point_alloc(&q, 192)){
+ printf_P(PSTR("ERROR: OOM! <%s %s %d>\n"), __FILE__, __func__, __LINE__);
+ return;
+ }
+ if(ecc_affine_point_alloc(&qa, 192)){
+ ecc_chudnovsky_point_free(&q);
+ printf_P(PSTR("ERROR: OOM! <%s %s %d>\n"), __FILE__, __func__, __LINE__);
+ return;
+ }
+
+ printf_P(PSTR("(naf) k: "));
+ bigint_print_hex(&k);
+ startTimer(1);
+ START_TIMER;
+ r = ecc_chudnovsky_naf_multiplication(&q, &k, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ STOP_TIMER;
+ time = stopTimer();
+ ecc_chudnovsky_to_affine_point(&qa, &q, &nist_curve_p192);
+
+ printf_P(PSTR("\n Qx: "));
+ bigint_print_hex(&qa.x);
+ printf_P(PSTR("\n Qy: "));
+ bigint_print_hex(&qa.y);
+ printf_P(PSTR("\n time: %"PRIu32" cycles (r code: %"PRIu8")\n"), time, r);
+
+ printf_P(PSTR("(d&a) k: "));
+ bigint_print_hex(&k);
+ startTimer(1);
+ START_TIMER;
+ r = ecc_chudnovsky_double_and_add(&q, &k, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ STOP_TIMER;
+ time = stopTimer();
+ ecc_chudnovsky_to_affine_point(&qa, &q, &nist_curve_p192);
+
+ printf_P(PSTR("\n Qx: "));
+ bigint_print_hex(&qa.x);
+ printf_P(PSTR("\n Qy: "));
+ bigint_print_hex(&qa.y);
+ printf_P(PSTR("\n time: %"PRIu32" cycles (r code: %"PRIu8")\n"), time, r);
+ free(k.wordv);
+ ecc_chudnovsky_point_free(&q);
+ ecc_affine_point_free(&qa);
+}
+
#endif
0x11, 0x43, 0x59, 0xce, 0xe4, 0xa0, 0x71, 0xcf
};
+/*
+ * d = e14f37b3d1374ff8b03f41b9b3fdd2f0ebccf275d660d7f3
+ */
+
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
};
+/*
+ * k = cb0abc7043a10783684556fb12c4154d57bc31a289685f25
+ */
+
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 hash_mem_P(const hfdesc_t* hfdesc, void* dest, const void* msg, uint16_t msg_len_b){
+void hash_mem_P(const hfdesc_t *hfdesc, void *dest, const void *msg, uint16_t msg_len_b){
uint16_t blocksize = hfal_hash_getBlocksize(hfdesc);
uint8_t block[blocksize / 8];
hfgen_ctx_t ctx;
0x47, 0xfa, 0x11, 0xbc, 0xb1, 0xc2, 0xe8, 0x41
};
+#if 0
void test_sign1(void){
bigint_word_t d_w[sizeof(ecdsa_test_1_d)];
uint8_t rnd[sizeof(ecdsa_test_1_k)];
putchar('\n');
d.wordv = d_w;
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);
+ memcpy_P(d_w, ecdsa_test_1_d, sizeof(ecdsa_test_1_d));
+ d.length_W = (sizeof(ecdsa_test_1_d) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ d.info = 0;
+ bigint_adjust(&d);
+
+ hash_desc = &sha1_desc; //hash_select();
+ hash = malloc(hfal_hash_getHashsize(hash_desc) / 8);
+ if(hash == NULL){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
+ }
+ hash_mem_P(hash_desc, hash, ecdsa_test_1_msg, sizeof(ecdsa_test_1_msg) * 8);
+ printf_P(PSTR("msg hash: "));
+ cli_hexdump(hash, hfal_hash_getHashsize(hash_desc) / 8);
+ putchar('\n');
+
+ ecc_affine_point_alloc(&q.affine, nist_curve_p192_p.length_W * sizeof(bigint_word_t));
+// ecc_chudnovsky_point_alloc(&q.chudnovsky, nist_curve_p192_p.length_W * sizeof(bigint_word_t));
+// ctx.basepoint = &nist_curve_p192_basepoint.chudnovsky;
+ ctx.basepoint = &nist_curve_p192_basepoint.affine;
+ 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);
+
+// r = ecc_chudnovsky_multiplication(&q.chudnovsky, &d, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ r = ecc_????
+ if(r){
+ printf_P(PSTR("ERROR: ecc_chudnovsky_multiplication() returned: %"PRIu8"\n"), r);
+ }
+// r = ecc_chudnovsky_to_affine_point(&q.affine, &q.chudnovsky, &nist_curve_p192);
+ if(r){
+ printf_P(PSTR("ERROR: ecc_chudnovsky_to_affine_point() returned: %"PRIu8"\n"), r);
+ }
+
+ printf_P(PSTR("\n Qx: "));
+ bigint_print_hex(&q.affine.x);
+ printf_P(PSTR("\n Qy: "));
+ bigint_print_hex(&q.affine.y);
+ putchar('\n');
+ ctx.pub = &q.affine;
+
+ ecdsa_signature_alloc(&sign, sizeof(ecdsa_test_1_d) * sizeof(bigint_word_t));
+
+ r = ecdsa_sign_hash(&sign, hash, hfal_hash_getHashsize(hash_desc) / 8, &ctx, rnd);
+ if(r){
+ printf_P(PSTR("ERROR: ecdsa_sign_message() returned: %"PRIu8"\n"), r);
+ }
+ printf_P(PSTR(" r: "));
+ bigint_print_hex(&sign.r);
+ printf_P(PSTR("\n s: "));
+ bigint_print_hex(&sign.s);
+
+ free(hash);
+ ecdsa_signature_free(&sign);
+ ecc_chudnovsky_point_free(&q.chudnovsky);
+}
+
+#else
+
+void test_sign1(void){
+ bigint_word_t d_w[sizeof(ecdsa_test_1_d)];
+ uint8_t rnd[sizeof(ecdsa_test_1_k)];
+ uint8_t *hash;
+ bigint_t d;
+ const hfdesc_t *hash_desc;
+ ecc_combi_point_t q;
+ ecdsa_signature_t sign;
+ ecdsa_ctx_t ctx;
+ uint8_t r;
+
+ putchar('\n');
+ d.wordv = d_w;
+ 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));
+ d.length_W = (sizeof(ecdsa_test_1_d) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
d.info = 0;
bigint_adjust(&d);
ecc_chudnovsky_point_free(&q.chudnovsky);
}
+#endif
+
void test_sign2(void){
bigint_word_t d_w[sizeof(ecdsa_test_2_d)];
uint8_t rnd[sizeof(ecdsa_test_2_k)];