/// <summary>
/// Constructs an ECCGroup.
/// <param name="p">The p parameter, representing the prime field domain for the
/// x and y coordinate spaces.</param>
/// <param name="a">The a parameter for the eliptic curve.</param>
/// <param name="b">The b parameter for the eliptic curve.</param>
/// <param name="g_x">The x coordinate of the generator point.</param>
/// <param name="g_y">The y coordinate of the generator point.</param>
/// <param name="n">The order of the group.</param>
/// <param name="groupName">The known name of the group, or null.</param>
/// <param name="curveName">The known name of the curve, or null.</param>
/// </summary>
public ECGroupBCImpl(
byte[] p,
byte[] a,
byte[] b,
byte[] g_x,
byte[] g_y,
byte[] n,
string groupName,
string curveName)
: base(p, a, b, g_x, g_y, n, groupName, curveName)
{
this.curve = new BouncyCastle.FpCurve(
new BCBigInt(1, p),
new BCBigInt(1, a),
new BCBigInt(1, b));
BouncyCastle.ECPoint generator = this.curve.CreatePoint(
new BCBigInt(1, g_x),
new BCBigInt(1, g_y),
false);
this.domainParams = new BouncyCastle.ECDomainParameters(
this.curve,
generator,
new BCBigInt(1, n));
this.g = new ECGroupElementBCImpl(
this.domainParams.G as BouncyCastle.FpPoint);
}
/// <summary>
/// Constructs an ECCGroup.
/// <param name="p">The p parameter, representing the prime field domain for the
/// x and y coordinate spaces.</param>
/// <param name="a">The a parameter for the eliptic curve.</param>
/// <param name="b">The b parameter for the eliptic curve.</param>
/// <param name="g_x">The x coordinate of the generator point.</param>
/// <param name="g_y">The y coordinate of the generator point.</param>
/// <param name="n">The order of the group.</param>
/// <param name="groupName">The known name of the group, or null.</param>
/// <param name="curveName">The known name of the curve, or null.</param>
/// </summary>
public ECGroupBCImpl(
byte[] p,
byte[] a,
byte[] b,
byte[] g_x,
byte[] g_y,
byte[] n,
string groupName,
string curveName)
: base(p, a, b, g_x, g_y, n, groupName, curveName)
{
this.curve = new BouncyCastle.FpCurve(
new BCBigInt(1, p),
new BCBigInt(1, a),
new BCBigInt(1, b));
BouncyCastle.ECPoint generator = this.curve.CreatePoint(
new BCBigInt(1, g_x),
new BCBigInt(1, g_y),
false);
this.domainParams = new BouncyCastle.ECDomainParameters(
this.curve,
generator,
new BCBigInt(1, n));
this.g = new ECGroupElementBCImpl(
this.domainParams.G as BouncyCastle.FpPoint);
}
