Esempi in C++ (Cpp) per BN_BLINDING_update

Esempio n. 1

File: blinding.c Progetto: bheesham/boringssl

int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx) {
  int ret = 1;

  if (b->A == NULL || b->Ai == NULL) {
    OPENSSL_PUT_ERROR(RSA, RSA_R_BN_NOT_INITIALIZED);
    return 0;
  }

  if (b->counter == -1) {
    /* Fresh blinding, doesn't need updating. */
    b->counter = 0;
  } else if (!BN_BLINDING_update(b, ctx)) {
    return 0;
  }

  if (r != NULL) {
    if (!BN_copy(r, b->Ai)) {
      ret = 0;
    }
  }

  if (!BN_mod_mul(n, n, b->A, b->mod, ctx)) {
    ret = 0;
  }

  return ret;
}

Esempio n. 2

File: bn_blind.c Progetto: 03050903/godot

int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)
{
    int ret = 1;

    bn_check_top(n);

    if ((b->A == NULL) || (b->Ai == NULL)) {
        BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);
        return (0);
    }

    if (b->counter == -1)
        /* Fresh blinding, doesn't need updating. */
        b->counter = 0;
    else if (!BN_BLINDING_update(b, ctx))
        return (0);

    if (r != NULL) {
        if (!BN_copy(r, b->Ai))
            ret = 0;
    }

    if (!BN_mod_mul(n, n, b->A, b->mod, ctx))
        ret = 0;

    return ret;
}

Esempio n. 3

File: bn_blind.c Progetto: darlinghq/darling-security

int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
	{
	int ret;

	bn_check_top(n);
	if ((b->A == NULL) || (b->Ai == NULL))
		{
		BNerr(BN_F_BN_BLINDING_INVERT,BN_R_NOT_INITIALIZED);
		return(0);
		}
	if ((ret=BN_mod_mul(n,n,b->Ai,b->mod,ctx)) >= 0)
		{
		if (!BN_BLINDING_update(b,ctx))
			return(0);
		}
	return(ret);
	}

Esempio n. 4

File: bn_blind.c Progetto: yyyyyao/Slicer3-lib-mirrors

int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)
  {
  int ret;

  bn_check_top(n);
  if ((b->A == NULL) || (b->Ai == NULL))
    {
    BNerr(BN_F_BN_BLINDING_INVERT_EX,BN_R_NOT_INITIALIZED);
    return(0);
    }

  if (r != NULL)
    ret = BN_mod_mul(n, n, r, b->mod, ctx);
  else
    ret = BN_mod_mul(n, n, b->Ai, b->mod, ctx);

  if (ret >= 0)
    {
    if (!BN_BLINDING_update(b,ctx))
      return(0);
    }
  bn_check_top(n);
  return(ret);
  }