#include <stdlib.h>
#include <inttypes.h>
+#include <string.h>
#include "bigint.h"
#include "ecc.h"
#include "random_dummy.h"
#include "ecdsa.h"
#include "hfal-basic.h"
+#include <stdio.h>
+#include "bigint_io.h"
+
+
uint8_t ecdsa_signature_alloc(ecdsa_signature_t* s, size_t length_B){
if(!(s->r.wordv = malloc(length_B))){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
return 1;
}
if(!(s->s.wordv = malloc(length_B))){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
free(s->r.wordv);
return 1;
}
if(!(t.wordv = malloc(ctx->curve->p->length_W * 2 * sizeof(bigint_word_t)))){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
return 1;
}
- if(!ecc_chudnovsky_point_alloc(&q.chudnovsky, ctx->curve->p->length_W * sizeof(bigint_word_t))){
+ t.info = 0;
+ if(ecc_chudnovsky_point_alloc(&q.chudnovsky, ctx->curve->p->length_W * sizeof(bigint_word_t))){
free(t.wordv);
+ printf_P(PSTR("item size: %u bytes\n"), ctx->curve->p->length_W * sizeof(bigint_word_t));
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
return 1;
}
ecc_chudnovsky_multiplication(&q.chudnovsky, k, ctx->basepoint, ctx->curve);
if(q.chudnovsky.x.length_W == 0){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
return 2;
}
ecc_chudnovsky_to_affine_point(&q.affine, &q.chudnovsky, ctx->curve);
- bigint_inverse(&s->r, k, ctx->curve->p);
+ bigint_inverse(&s->s, k, ctx->curve->p);
bigint_mul_u(&t, &q.affine.x, ctx->priv);
ctx->curve->reduce_p(&t);
+ printf_P(PSTR("msg: "));
+ bigint_print_hex(m);
+ putchar('\n');
+ printf_P(PSTR("k: "));
+ bigint_print_hex(k);
+ putchar('\n');
+ printf_P(PSTR("k-inv: "));
+ bigint_print_hex(&s->s);
+ putchar('\n');
+ printf_P(PSTR("t (1): "));
+ bigint_print_hex(&t);
+ putchar('\n');
bigint_add_u(&t, &t, m);
ctx->curve->reduce_p(&t);
- bigint_mul_u(&t, &t, &s->r);
+ printf_P(PSTR("t (2): "));
+ bigint_print_hex(&t);
+ putchar('\n');
+ bigint_mul_u(&t, &t, &s->s);
ctx->curve->reduce_p(&t);
if(t.length_W == 0){
+ printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
return 2;
}
bigint_copy(&s->r, &q.affine.x);
return 0;
}
-uint8_t ecdsa_sign_message(ecdsa_signature_t* s, const void* m, uint16_t m_len_b,
- const hfdesc_t* hash_desc, const ecdsa_ctx_t* ctx,
+
+uint8_t ecdsa_sign_hash(ecdsa_signature_t* s, const void* hash,
+ size_t hash_len_B, const ecdsa_ctx_t* ctx,
const void *rand_in){
bigint_t m_int;
bigint_t r_int;
+ size_t idx = 0;
uint8_t r;
+ r_int.length_W = ctx->curve->p->length_W;
+
if(rand_in == NULL){
if(!(r_int.wordv = malloc(ctx->curve->p->length_W * sizeof(bigint_word_t)))){
return 1;
}
+ }else{
+ r_int.wordv = (bigint_word_t*)rand_in;
+ r_int.info = 0;
+ bigint_adjust(&r_int);
}
- if(!(m_int.wordv = malloc(hfal_hash_getHashsize(hash_desc) / 8))){
- if(rand_in == NULL){
- free(r_int.wordv);
- }
+ m_int.length_W = ctx->curve->p->length_W;
+ m_int.wordv = malloc(m_int.length_W * sizeof(bigint_word_t));
+ if(m_int.wordv == NULL){
+ free(r_int.wordv);
return 1;
}
- hfal_hash_mem(hash_desc, m_int.wordv, m, m_len_b);
+ m_int.wordv[m_int.length_W - 1] = 0;
+ if(hash_len_B > m_int.length_W * sizeof(bigint_word_t)){
+ while(idx < m_int.length_W * sizeof(bigint_word_t)){
+ ((uint8_t*)m_int.wordv)[idx] = ((uint8_t*)hash)[m_int.length_W * sizeof(bigint_word_t) - idx - 1];
+ ++idx;
+ }
+ }else{
+ memset(m_int.wordv, 0, m_int.length_W * sizeof(bigint_word_t));
+ // idx += m_int.length_W * sizeof(bigint_word_t) - hash_len_B;
+ while(hash_len_B){
+ ((uint8_t*)m_int.wordv)[idx++] = ((uint8_t*)hash)[--hash_len_B];
+ }
+ }
do{
if(rand_in == NULL){
size_t i;
do{
i = ctx->curve->p->length_W * sizeof(bigint_word_t) - 1;
- r_int.length_W = ctx->curve->p->length_W;
do{
((uint8_t*)r_int.wordv)[i] = prng_get_byte();
}while(i--);
}
}while((r = ecdsa_sign_bigint(s, &m_int, ctx, &r_int)) == 2 && (rand_in == NULL));
+ free(m_int.wordv);
+
+ return r;
+}
+
+uint8_t ecdsa_sign_message(ecdsa_signature_t* s, const void* m, uint16_t m_len_b,
+ const hfdesc_t* hash_desc, const ecdsa_ctx_t* ctx,
+ const void *rand_in){
+
+ uint8_t *hash;
+ uint16_t hash_len = hfal_hash_getHashsize(hash_desc) / 8;
+ uint8_t r;
+
+
+ hash = malloc(hash_len);
+ if(hash == NULL){
+ return 1;
+ }
+ hfal_hash_mem(hash_desc, hash, m, m_len_b);
+ ecdsa_sign_hash(s, hash, hash_len, ctx, rand_in);
+
return r;
}
*
*/
+#include <ctype.h>
+
#include "main-test-common.h"
#include "noekeon.h"
#include "hfal_sha256.h"
#include "hfal_sha384.h"
#include "hfal_sha512.h"
+#include "hfal-basic.h"
#include "performance_test.h"
#include "hfal_sha1.h"
return random8();
}
+const hfdesc_t *hash_select(void){
+ const hfdesc_t *hashes[] = { &sha1_desc, &sha224_desc, &sha256_desc, &sha384_desc, &sha512_desc };
+ uint8_t index;
+ int selection;
+ printf_P(PSTR("Please select one of the following hash functions:\n"));
+ for(index = 0; index < sizeof(hashes) / sizeof(hashes[0]); ++index){
+ printf_P(PSTR(" %c: %S\n"), index + 'a', pgm_read_word(&(hashes[index]->name)));
+ }
+ do{
+ printf_P(PSTR("[a]: "));
+ selection = getchar();
+ putchar(selection);
+ if(selection == '\n' || selection == '\r'){
+ selection = 0;
+ }else{
+ putchar('\n');
+ selection -= 'a';
+ }
+ }while(selection > sizeof(hashes) / sizeof(hashes[0]));
+ return hashes[selection];
+}
+
+uint8_t convert_hexchar_to_value(char a){
+ if(a >= 0 && a <= 9){
+ return a - '0';
+ }
+ if(a >= 'a' && a <= 'f'){
+ return a - 'a';
+ }
+ if(a >= 'A' && a <= 'F'){
+ return a - 'A';
+ }
+ return 0;
+}
+
+
+uint8_t convert_hex_to_byte(char a, char b){
+ return (convert_hexchar_to_value(a) << 4) | convert_hexchar_to_value(b);
+}
+
+void *hash_message(hfdesc_t* hash_function){
+ uint8_t *block, *hash_value;
+ uint16_t index = 0;
+ hfgen_ctx_t ctx;
+ if(hash_function == NULL){
+ return NULL;
+ }
+ block = malloc(hfal_hash_getBlocksize(hash_function) / 8);
+ if(block == NULL){
+ return NULL;
+ }
+ hash_value = malloc(hfal_hash_getHashsize(hash_function) / 8);
+ if(hash_value == NULL){
+ free(block);
+ return NULL;
+ }
+ hfal_hash_init(hash_function, &ctx);
+ for(;;){
+ int a,b;
+ a = getchar();
+ if(!isxdigit(a)){
+ hfal_hash_lastBlock(&ctx, block, index * 8);
+ break;
+ }
+ putchar(a);
+ b = getchar();
+ if(!isxdigit(b)){
+ printf_P(PSTR("*** invalid ***\n"));
+ hfal_hash_free(&ctx);
+ free(hash_value);
+ free(block);
+ return NULL;
+ }
+ putchar(b);
+ block[index++] = convert_hex_to_byte(a, b);
+ if(index == hfal_hash_getBlocksize(hash_function) / 8){
+ hfal_hash_nextBlock(&ctx, block);
+ }
+ }
+ hfal_hash_ctx2hash(hash_value, &ctx);
+ hfal_hash_free(&ctx);
+ free(block);
+ return hash_value;
+}
+
void testrun_performance_invert_bigint(void){
printf_P(PSTR("\n=== performance measurement (invert) ===\n"));
unsigned i,j;
ecc_affine_point_t qa;
uint32_t time;
bigint_t k;
+ uint8_t r;
printf_P(PSTR("\n== testing key generation ==\n"));
bigint_print_hex(&k);
startTimer(1);
START_TIMER;
- ecc_chudnovsky_naf_multiplication(&q, &k, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ 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);
bigint_print_hex(&qa.x);
printf_P(PSTR("\n Qy: "));
bigint_print_hex(&qa.y);
- printf_P(PSTR("\n time: %"PRIu32" cycles\n"), time);
+ 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;
- ecc_chudnovsky_double_and_add(&q, &k, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ 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);
bigint_print_hex(&qa.x);
printf_P(PSTR("\n Qy: "));
bigint_print_hex(&qa.y);
- printf_P(PSTR("\n time: %"PRIu32" cycles\n"), time);
+ 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
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,
0x24, 0xf0, 0x4a, 0x5d, 0x86, 0x0c, 0xb1, 0x4f,
0x6b, 0x6e, 0x8a, 0x69, 0x73, 0xb4, 0x9f, 0xd2,
0xa7, 0xbc, 0xeb, 0x48, 0xd7, 0x48, 0xf7, 0xeb
+*/
+ 0xeb, 0xf7, 0x48, 0xd7, 0x48, 0xeb, 0xbc, 0xa7,
+ 0xd2, 0x9f, 0xb4, 0x73, 0x69, 0x8a, 0x6e, 0x6b,
+ 0x4f, 0xb1, 0x0c, 0x86, 0x5d, 0x4a, 0xf0, 0x24,
+ 0xcc, 0x39, 0xae, 0x3d, 0xf3, 0x46, 0x4b, 0xa4,
+ 0xf1, 0xd6, 0xd4, 0x0f, 0x32, 0xbf, 0x96, 0x18,
+ 0xa9, 0x1b, 0xb5, 0x98, 0x6f, 0xa1, 0xa2, 0xaf,
+ 0x04, 0x8a, 0x0e, 0x14, 0xdc, 0x51, 0xe5, 0x26,
+ 0x7e, 0xb0, 0x5e, 0x12, 0x7d, 0x68, 0x9d, 0x0a,
+ 0xc6, 0xf1, 0xa7, 0xf1, 0x56, 0xce, 0x06, 0x63,
+ 0x16, 0xb9, 0x71, 0xcc, 0x7a, 0x11, 0xd0, 0xfd,
+ 0x7a, 0x20, 0x93, 0xe2, 0x7c, 0xf2, 0xd0, 0x87,
+ 0x27, 0xa4, 0xe6, 0x74, 0x8c, 0xc3, 0x2f, 0xd5,
+ 0x9c, 0x78, 0x10, 0xc5, 0xb9, 0x01, 0x9d, 0xf2,
+ 0x1c, 0xdc, 0xc0, 0xbc, 0xa4, 0x32, 0xc0, 0xa3,
+ 0xee, 0xd0, 0x78, 0x53, 0x87, 0x50, 0x88, 0x77,
+ 0x11, 0x43, 0x59, 0xce, 0xe4, 0xa0, 0x71, 0xcf
};
const uint8_t ecdsa_test_1_d[] PROGMEM = {
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){
+ uint16_t blocksize = hfal_hash_getBlocksize(hfdesc);
+ uint8_t block[blocksize / 8];
+ hfgen_ctx_t ctx;
+ hfal_hash_init(hfdesc, &ctx);
+ while(msg_len_b > blocksize){
+ memcpy_P(block, msg, blocksize / 8);
+ msg = (uint8_t*)msg + blocksize / 8;
+ msg_len_b -= blocksize;
+ hfal_hash_nextBlock(&ctx, block);
+ }
+ memcpy_P(block, msg, (msg_len_b + 7) / 8);
+ hfal_hash_lastBlock(&ctx, block, msg_len_b);
+ hfal_hash_ctx2hash(dest, &ctx);
+ hfal_hash_free(&ctx);
+}
+
+const uint8_t ecdsa_test_2_msg[] PROGMEM = {
+ 0x66, 0xa2, 0x51, 0x3d, 0x7b, 0x60, 0x45, 0xe5,
+ 0x66, 0x79, 0xb0, 0x32, 0xca, 0xd4, 0x5f, 0xb1,
+ 0x82, 0x28, 0x9c, 0xa7, 0x6a, 0x88, 0xc0, 0x6d,
+ 0x78, 0xc8, 0x5f, 0x3d, 0xd3, 0x80, 0x45, 0x90,
+ 0x20, 0x5b, 0x73, 0xa7, 0x84, 0x24, 0x9a, 0x0a,
+ 0x0c, 0x8b, 0xf2, 0xf2, 0x21, 0x45, 0xd1, 0x05,
+ 0x21, 0x9b, 0x48, 0x0d, 0x74, 0x60, 0x7c, 0x02,
+ 0xb8, 0xa6, 0xb6, 0xb4, 0x59, 0x25, 0x9e, 0x4f,
+ 0xdf, 0xe2, 0xbd, 0xb4, 0xab, 0x22, 0x38, 0x01,
+ 0x75, 0x35, 0x29, 0x1d, 0x7a, 0xc1, 0xab, 0xda,
+ 0x66, 0xc4, 0xf6, 0xdc, 0xea, 0x9e, 0x5d, 0x0b,
+ 0xf0, 0x5a, 0x93, 0x06, 0xf3, 0x33, 0xb0, 0x0e,
+ 0x56, 0x34, 0x2f, 0x75, 0x53, 0x40, 0x21, 0x1a,
+ 0xc2, 0x94, 0xac, 0x21, 0xa7, 0xc2, 0xb2, 0x67,
+ 0x12, 0xb8, 0x79, 0x95, 0x1b, 0x2e, 0x23, 0xf6,
+ 0x48, 0x7e, 0x4d, 0x39, 0x89, 0x9f, 0xe3, 0x74
+};
+
+const uint8_t ecdsa_test_2_d[] PROGMEM = {
+ 0xeb, 0x8e, 0x9f, 0x04, 0x7d, 0xb5, 0x9a, 0x80,
+ 0x34, 0x6f, 0xcd, 0xf1, 0xcc, 0x33, 0xbb, 0x78,
+ 0xbe, 0xc6, 0xb8, 0x76, 0xaf, 0x9f, 0x4b, 0x69
+};
+
+const uint8_t ecdsa_test_2_k[] PROGMEM = {
+ 0x8e, 0xd5, 0x00, 0x34, 0x08, 0x09, 0x60, 0x36,
+ 0x2e, 0xfe, 0x16, 0xd0, 0x53, 0x37, 0xa2, 0xf5,
+ 0x47, 0xfa, 0x11, 0xbc, 0xb1, 0xc2, 0xe8, 0x41
+};
+
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)];
+ 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(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);
+ 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_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:");
+ 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);
+ r = ecc_chudnovsky_multiplication(&q.chudnovsky, &d, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ 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));
- ecdsa_sign_message(&sign, msg, sizeof(msg) * 8, &sha1_desc, &ctx, rnd);
-
- printf_P(PSTR("\n r: "));
+ 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 r: "));
+ printf_P(PSTR("\n s: "));
bigint_print_hex(&sign.s);
-
+ free(hash);
ecdsa_signature_free(&sign);
ecc_chudnovsky_point_free(&q.chudnovsky);
}
+void test_sign2(void){
+ bigint_word_t d_w[sizeof(ecdsa_test_2_d)];
+ uint8_t rnd[sizeof(ecdsa_test_2_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_2_k, sizeof(ecdsa_test_2_k));
+ memcpy_P(d_w, ecdsa_test_2_d, sizeof(ecdsa_test_2_d) * sizeof(bigint_word_t));
+ d.length_W = sizeof(ecdsa_test_2_d) / sizeof(bigint_word_t);
+ d.info = 0;
+ bigint_adjust(&d);
+
+ hash_desc = &sha224_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_2_msg, sizeof(ecdsa_test_1_msg) * 8);
+ printf_P(PSTR("msg hash: "));
+ cli_hexdump(hash, hfal_hash_getHashsize(hash_desc) / 8);
+ putchar('\n');
+
+ 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);
+
+ r = ecc_chudnovsky_multiplication(&q.chudnovsky, &d, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
+ 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_2_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);
+}
/*****************************************************************************
* main *
*****************************************************************************/
const char genkey3_str[] PROGMEM = "genkey3";
const char genkey_str[] PROGMEM = "genkey";
const char testsign1_str[] PROGMEM = "testsign1";
+const char testsign2_str[] PROGMEM = "testsign2";
const char square_str[] PROGMEM = "square";
const char echo_str[] PROGMEM = "echo";
{ genkey2_str, NULL, testrun_genkey2 },
{ genkey3_str, NULL, testrun_genkey3 },
{ testsign1_str, NULL, test_sign1 },
+ { testsign2_str, NULL, test_sign2 },
{ performance_reduce_str, NULL, testrun_performance_reduce_bigint },
{ performance_invert_str, NULL, testrun_performance_invert_bigint },
{ performance_multiply_str, NULL, testrun_performance_multiply_bigint },