felem_bytearray b_out;
unsigned num_bytes;
- /* BN_bn2bin eats leading zeroes */
- memset(b_out, 0, sizeof(b_out));
num_bytes = BN_num_bytes(bn);
if (num_bytes > sizeof(b_out)) {
ECerr(EC_F_BN_TO_FELEM, EC_R_BIGNUM_OUT_OF_RANGE);
ECerr(EC_F_BN_TO_FELEM, EC_R_BIGNUM_OUT_OF_RANGE);
return 0;
}
- num_bytes = BN_bn2bin(bn, b_in);
+ num_bytes = BN_bn2binpad(bn, b_in, sizeof(b_in));
flip_endian(b_out, b_in, num_bytes);
bin32_to_felem(out, b_out);
return 1;
0, /* keycopy */
0, /* keyfinish */
ecdh_simple_compute_key,
+ ecdsa_simple_sign_setup,
+ ecdsa_simple_sign_sig,
+ ecdsa_simple_verify_sig,
0, /* field_inverse_mod_ord */
0, /* blind_coordinates */
0, /* ladder_pre */
BN_CTX *new_ctx = NULL;
if (ctx == NULL)
- new_ctx = BN_CTX_new();
+ ctx = new_ctx = BN_CTX_new();
#endif
if (ctx == NULL)
return 0;
ECerr(EC_F_EC_GFP_NISTP256_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
- num_bytes = BN_bn2bin(tmp_scalar, tmp);
+ num_bytes = BN_bn2binpad(tmp_scalar, tmp, sizeof(tmp));
} else
- num_bytes = BN_bn2bin(p_scalar, tmp);
+ num_bytes = BN_bn2binpad(p_scalar, tmp, sizeof(tmp));
flip_endian(secrets[i], tmp, num_bytes);
/* precompute multiples */
if ((!BN_to_felem(x_out, p->X)) ||
ECerr(EC_F_EC_GFP_NISTP256_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
- num_bytes = BN_bn2bin(tmp_scalar, tmp);
+ num_bytes = BN_bn2binpad(tmp_scalar, tmp, sizeof(tmp));
} else
- num_bytes = BN_bn2bin(scalar, tmp);
+ num_bytes = BN_bn2binpad(scalar, tmp, sizeof(tmp));
flip_endian(g_secret, tmp, num_bytes);
/* do the multiplication with generator precomputation */
batch_mul(x_out, y_out, z_out,
#ifndef FIPS_MODE
if (ctx == NULL)
- new_ctx = BN_CTX_new();
+ ctx = new_ctx = BN_CTX_new();
#endif
if (ctx == NULL)
return 0;