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fix 'ecdsaparam -C'

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This commit is contained in:
Bodo Möller 2002-03-05 15:17:17 +00:00
parent 87a4b4d1f4
commit 870694b3da
1 changed files with 21 additions and 17 deletions
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38
apps/ecdsaparam.c
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@ -378,7 +378,7 @@ bad:
}
if (C)
{ /* TODO : characteristic two */
{ /* TODO : characteristic two */
int l, len, bits_p;
if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
(tmp_3 = BN_new()) == NULL || (tmp_4 = BN_new()) == NULL ||
@ -414,7 +414,7 @@ bad:
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n");
printf("\n\t};\n\n");
l = BN_bn2bin(tmp_2, data);
printf("static unsigned char ecdsa%d_a[]={",bits_p);
@ -434,34 +434,34 @@ bad:
}
printf("\n\t};\n\n");
l = BN_bn2bin(tmp_3, data);
l = BN_bn2bin(tmp_4, data);
printf("static unsigned char ecdsa%d_x[]={", bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n\n");
printf("\n\t};\n");
l = BN_bn2bin(tmp_3, data);
l = BN_bn2bin(tmp_5, data);
printf("static unsigned char ecdsa%d_y[]={", bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n\n");
printf("\n\t};\n");
l = BN_bn2bin(tmp_3, data);
l = BN_bn2bin(tmp_6, data);
printf("static unsigned char ecdsa%d_o[]={", bits_p);
for (i=0; i<l; i++)
{
if ((i%12) == 0) printf("\n\t");
printf("0x%02X,",data[i]);
}
printf("\n\t};\n\n");
printf("\n\t};\n");
l = BN_bn2bin(tmp_3, data);
l = BN_bn2bin(tmp_7, data);
printf("static unsigned char ecdsa%d_c[]={", bits_p);
for (i=0; i<l; i++)
{
@ -470,30 +470,34 @@ bad:
}
printf("\n\t};\n\n");
/* FIXME:
* generated code should check for errors
*/
printf("ECDSA *get_ecdsa%d(void)\n\t{\n",bits_p);
printf("\tECDSA *ecdsa=NULL;\n");
printf("\tEC_POINT *point=NULL;\n");
printf("\tBIGNUM *tmp_1=NULL,*tmp_2=NULL,*tmp_3=NULL;\n\n");
printf("\tif ((ecdsa=ECDSA_new()) == NULL)\n");
printf("\t\treturn(NULL);\n");
printf("\t/* first : generate EC_GROUP-structure */\n");
printf("\t\treturn(NULL);\n\n");
printf("\t/* generate EC_GROUP structure */\n");
printf("\ttmp_1 = BN_bin2bn(ecdsa%d_p, sizeof(ecdsa%d_p), NULL);\n", bits_p, bits_p);
printf("\ttmp_2 = BN_bin2bn(ecdsa%d_a, sizeof(ecdsa%d_a), NULL);\n", bits_p, bits_p);
printf("\ttmp_3 = BN_bin2bn(ecdsa%d_b, sizeof(ecdsa%d_b), NULL);\n", bits_p, bits_p);
printf("\tecdsa->group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL);\n");
printf("\t/* second : set coordinates of the generating point */\n");
printf("\tecdsa->group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL);\n\n");
printf("\t/* build generator */\n");
printf("\tBN_bin2bn(ecdsa%d_x, sizeof(ecdsa%d_x), tmp_1);\n", bits_p, bits_p);
printf("\tBN_bin2bn(ecdsa%d_y, sizeof(ecdsa%d_y), tmp_2);\n", bits_p, bits_p);
printf("\tif ((point = EC_POINT_new(ecdsa->group)) == NULL)\n");
printf("\t{\n\t\tECDSA_free(ecdsa); BN_free(tmp_1); BN_free(tmp_2); BN_free(tmp_3);\n");
printf("\t\treturn(NULL);\n\t}\n");
printf("\t\t{\n\t\tECDSA_free(ecdsa); BN_free(tmp_1); BN_free(tmp_2); BN_free(tmp_3);\n");
printf("\t\treturn(NULL);\n\t\t}\n");
printf("\tEC_POINT_set_affine_coordinates_GFp(ecdsa->group, point, tmp_1, tmp_2, NULL);\n");
printf("\t/* and finally : insert the generating point and its order in the EC_GROUP-structure */\n");
printf("\t/* set generator, order and cofactor */\n");
printf("\tBN_bin2bn(ecdsa%d_o, sizeof(ecdsa%d_o), tmp_1);\n", bits_p, bits_p);
printf("\tBN_bin2bn(ecdsa%d_c, sizeof(ecdsa%d_c), tmp_2);\n", bits_p, bits_p);
printf("\tEC_GROUP_set_generator(ecdsa->group, point, tmp_1, tmp_2);\n");
printf("\tBN_free(tmp_1); BN_free(tmp_2); BN_free(tmp_3);\n");
printf("\tEC_POINT_free(point);\n");
printf("\tEC_POINT_free(point);\n\n");
printf("\treturn(ecdsa);\n\t}\n");
}