/// <summary>
/// Alternate constructor with named parameters.
/// </summary>
public static CypherBasedPrngGenerator Create(byte[] key,
ICryptoPrimitive cryptoPrimitive = null,
HashAlgorithm hashAlgorithm = null,
CypherCounter initialCounter = null,
int outputBufferSize = -1,
Func <byte[]> additionalEntropyGetter = null)
{
return(new CypherBasedPrngGenerator(key,
cryptoPrimitive ?? BlockCypherCryptoPrimitive.Aes256(),
hashAlgorithm ?? SHA512.Create(),
initialCounter ?? new CypherCounter(16),
outputBufferSize < 0 ? 1024 : outputBufferSize,
additionalEntropyGetter));
}
/// <summary>
/// Initialise the CPRNG with the given key material, and default cypher (AES 256) and hash algorithm (SHA512), zero counter and supplied additional entropy source.
/// </summary>
public CypherBasedPrngGenerator(byte[] key, Func <byte[]> additionalEntropyGetter)
: this(key, BlockCypherCryptoPrimitive.Aes256(), SHA512.Create(), new CypherCounter(16), 1024, additionalEntropyGetter)
{
}
/// <summary>
/// Initialise the CPRNG with the given key material, and default cypher (AES 256) and hash algorithm (SHA512), and zero counter.
/// </summary>
public CypherBasedPrngGenerator(byte[] key)
: this(key, BlockCypherCryptoPrimitive.Aes256(), SHA512.Create(), new CypherCounter(16), 1024, null)
{
}
