/// <summary>
/// Creates an ECDSA instance with a freshly generated keypair.
/// </summary>
/// <returns>Returns the ECDSA instance which has the generated keypair.</returns>
public static EthereumEcdsa Generate(IAccountDerivation accountFactory)
{
if (UseNativeLib)
{
return(EthereumEcdsaNative.Generate(accountFactory));
}
else
{
return(EthereumEcdsaBouncyCastle.Generate(accountFactory));
}
}
/// <summary>
/// Creates an ECDSA instance with a freshly generated keypair.
/// </summary>
/// <returns>Returns the ECDSA instance which has the generated keypair.</returns>
public static IEnumerable <EthereumEcdsa> Generate(int count, IAccountDerivation accountFactory)
{
if (UseNativeLib)
{
return(EthereumEcdsaNative.Generate(count, accountFactory));
}
else
{
return(EthereumEcdsaBouncyCastle.Generate(count, accountFactory));
}
}
/// <summary>
/// Creates an ECDSA instance by recovering a public key given a hash, recovery ID, and r and s components of the resulting signature of the hash. Throws an exception if recovery is not possible.
/// </summary>
/// <param name="hash">The hash of the data which was signed.</param>
/// <param name="recoveryId">The recovery ID of ECDSA during signing.</param>
/// <param name="ecdsa_r">The r component of the ECDSA signature for the provided hash.</param>
/// <param name="ecdsa_s">The s component of the ECDSA signature for the provided hash.</param>
/// <returns>Returns the quotient/public key which was used to sign this hash.</returns>
public static EthereumEcdsa Recover(Span <byte> hash, byte recoveryId, BigInteger ecdsa_r, BigInteger ecdsa_s)
{
if (UseNativeLib)
{
return(EthereumEcdsaNative.Recover(hash, recoveryId, ecdsa_r, ecdsa_s));
}
else
{
return(EthereumEcdsaBouncyCastle.Recover(hash, recoveryId, ecdsa_r, ecdsa_s));
}
}
/// <summary>
/// Creates an ECDSA instance with a freshly generated keypair.
/// </summary>
/// <returns>Returns the ECDSA instance which has the generated keypair.</returns>
public static EthereumEcdsa Generate(IAccountDerivation accountFactory = null)
{
// If the account factory is null, we use a random factory
if (accountFactory == null)
{
accountFactory = new SystemRandomAccountDerivation();
}
// Determine which library to use
if (UseNativeLib)
{
return(EthereumEcdsaNative.Generate(accountFactory));
}
else
{
return(EthereumEcdsaBouncyCastle.Generate(accountFactory));
}
}