/// <summary>
/// Calculate key pair from the key seed.
/// </summary>
/// <param name="publicKey">Public key</param>
/// <param name="expandedPrivateKey">Expanded form of the private key</param>
/// <param name="privateKeySeed">Private key seed value</param>
public static void KeyPairFromSeed(ArraySegment <byte> publicKey, ArraySegment <byte> expandedPrivateKey, ArraySegment <byte> privateKeySeed)
{
Ed25519Operations.crypto_sign_keypair(
publicKey.Array, publicKey.Offset,
expandedPrivateKey.Array, expandedPrivateKey.Offset,
privateKeySeed.Array, privateKeySeed.Offset);
}
public static void KeyPairFromSeed(ArraySegment <byte> publicKey, ArraySegment <byte> expandedPrivateKey, ArraySegment <byte> privateKeySeed)
{
if (publicKey.Array == null)
{
throw new ArgumentNullException("publicKey.Array");
}
if (expandedPrivateKey.Array == null)
{
throw new ArgumentNullException("expandedPrivateKey.Array");
}
if (privateKeySeed.Array == null)
{
throw new ArgumentNullException("privateKeySeed.Array");
}
if (publicKey.Count != PublicKeySizeInBytes)
{
throw new ArgumentException("publicKey.Count");
}
if (expandedPrivateKey.Count != ExpandedPrivateKeySizeInBytes)
{
throw new ArgumentException("expandedPrivateKey.Count");
}
if (privateKeySeed.Count != PrivateKeySeedSizeInBytes)
{
throw new ArgumentException("privateKeySeed.Count");
}
Ed25519Operations.crypto_sign_keypair(
publicKey.Array, publicKey.Offset,
expandedPrivateKey.Array, expandedPrivateKey.Offset,
privateKeySeed.Array, privateKeySeed.Offset);
}
public static byte[] PublicKeyFromPrivateKey(byte[] privateKey)
{
byte[] publicKey = new byte[PublicKeySizeInBytes];
Ed25519Operations.crypto_sign_keypair(publicKey, 0, privateKey, 0);
//CryptoBytes.Wipe(privateKey);
return(publicKey);
}
/// <summary>
/// Calculate key pair from the key seed.
/// </summary>
/// <param name="publicKey">Public key</param>
/// <param name="expandedPrivateKey">Expanded form of the private key</param>
/// <param name="privateKeySeed">Private key seed value</param>
public static void KeyPairFromSeed(out byte[] publicKey, out byte[] expandedPrivateKey, byte[] privateKeySeed)
{
var pk = new byte[PublicKeySize];
var sk = new byte[ExpandedPrivateKeySize];
Ed25519Operations.crypto_sign_keypair(pk, 0, sk, 0, privateKeySeed, 0);
publicKey = pk;
expandedPrivateKey = sk;
}
/// <summary>
/// Calculate key pair from the key seed.
/// </summary>
/// <param name="publicKey">Public key</param>
/// <param name="expandedPrivateKey">Expanded form of the private key</param>
/// <param name="privateKeySeed">Private key seed value</param>
public static void KeyPairFromSeed(ArraySegment <byte> publicKey, ArraySegment <byte> expandedPrivateKey, ArraySegment <byte> privateKeySeed)
{
Contract.Requires <ArgumentNullException>(publicKey.Array != null && expandedPrivateKey.Array != null && privateKeySeed.Array != null);
Contract.Requires <ArgumentException>(expandedPrivateKey.Count == ExpandedPrivateKeySize && privateKeySeed.Count == PrivateKeySeedSize);
Contract.Requires <ArgumentException>(publicKey.Count == PublicKeySize);
Ed25519Operations.crypto_sign_keypair(
publicKey.Array, publicKey.Offset,
expandedPrivateKey.Array, expandedPrivateKey.Offset,
privateKeySeed.Array, privateKeySeed.Offset);
}
/// <summary>
/// Calculate key pair from the key seed.
/// </summary>
/// <param name="publicKey">Public key</param>
/// <param name="expandedPrivateKey">Expanded form of the private key</param>
/// <param name="privateKeySeed">Private key seed value</param>
public static void KeyPairFromSeed(out byte[] publicKey, out byte[] expandedPrivateKey, byte[] privateKeySeed)
{
Contract.Requires <ArgumentNullException>(privateKeySeed != null);
Contract.Requires <ArgumentException>(privateKeySeed.Length == PrivateKeySeedSize);
var pk = new byte[PublicKeySize];
var sk = new byte[ExpandedPrivateKeySize];
Ed25519Operations.crypto_sign_keypair(pk, 0, sk, 0, privateKeySeed, 0);
publicKey = pk;
expandedPrivateKey = sk;
}
public static void KeyPairFromSeed(Span <byte> publicKey, Span <byte> expandedPrivateKey, ReadOnlySpan <byte> privateKeySeed)
{
if (publicKey.Length != PublicKeySizeInBytes)
{
throw new ArgumentException("publicKey.Count");
}
if (expandedPrivateKey.Length != ExpandedPrivateKeySizeInBytes)
{
throw new ArgumentException("expandedPrivateKey.Count");
}
if (privateKeySeed.Length != PrivateKeySeedSizeInBytes)
{
throw new ArgumentException("privateKeySeed.Count");
}
Ed25519Operations.crypto_sign_keypair(publicKey, expandedPrivateKey, privateKeySeed);
}
public static void KeyPairFromSeed(out byte[] publicKey, out byte[] expandedPrivateKey, byte[] privateKeySeed)
{
if (privateKeySeed == null)
{
throw new ArgumentNullException("privateKeySeed");
}
if (privateKeySeed.Length != PrivateKeySeedSizeInBytes)
{
throw new ArgumentException("privateKeySeed");
}
var pk = new byte[PublicKeySizeInBytes];
var sk = new byte[ExpandedPrivateKeySizeInBytes];
Ed25519Operations.crypto_sign_keypair(pk, 0, sk, 0, privateKeySeed, 0);
publicKey = pk;
expandedPrivateKey = sk;
}
internal static void KeyPairFromSeed(out byte[] internalKey, out byte[] expandedPrivateKey, byte[] privateKeySeed)
{
if (privateKeySeed == null)
{
throw new ArgumentNullException(nameof(privateKeySeed));
}
if (privateKeySeed.Length != 32 && privateKeySeed.Length != 33)
{
throw new ArgumentException("privateKeySeed");
}
var pk = new byte[internalKeySizeInBytes];
var sk = new byte[ExpandedPrivateKeySizeInBytes];
Ed25519Operations.crypto_sign_keypair(pk, 0, sk, 0, privateKeySeed, 0);
internalKey = pk;
expandedPrivateKey = sk;
}