public static extern NTStatus BCryptImportKey(
SafeAlgorithmHandle hAlgorithm,
SafeKeyHandle hImportKey,
[MarshalAs(UnmanagedType.LPWStr)] string pszBlobType,
out SafeKeyHandle phKey,
byte[] pbKeyObject,
int cbKeyObject,
byte[] pbInput,
int cbInput,
BCryptImportKeyFlags dwFlags = BCryptImportKeyFlags.None);
/// <summary>
/// Imports a symmetric key from a key BLOB. The BCryptImportKeyPair function is used to import a public/private key pair.
/// </summary>
/// <param name="hAlgorithm">
/// The handle of the algorithm provider to import the key. This handle is obtained by calling the <see cref="BCryptOpenAlgorithmProvider(string, string, BCryptOpenAlgorithmProviderFlags)"/> function.
/// </param>
/// <param name="pszBlobType">
/// An identifier that specifies the type of BLOB that is contained in the pbInput buffer.
/// This can be one of the values defined in <see cref="SymmetricKeyBlobTypes"/>.
/// </param>
/// <param name="pbInput">
/// The address of a buffer that contains the key BLOB to import.
/// The <paramref name="pszBlobType"/> parameter specifies the type of key BLOB this buffer contains.
/// </param>
/// <param name="hImportKey">
/// The handle of the key encryption key needed to unwrap the key BLOB in the pbInput parameter.
/// Note The handle must be supplied by the same provider that supplied the key that is being imported.
/// </param>
/// <param name="pbKeyObject">
/// A pointer to a buffer that receives the imported key object.
/// The required size of this buffer can be obtained by calling the <see cref="BCryptGetProperty(SafeHandle, string, BCryptGetPropertyFlags)"/>
/// function to get the BCRYPT_OBJECT_LENGTH property. This will provide the size of the
/// key object for the specified algorithm.
/// This memory can only be freed after the phKey key handle is destroyed.
/// </param>
/// <param name="dwFlags">A set of flags that modify the behavior of this function.</param>
/// <returns>The imported key.</returns>
/// <exception cref="Win32Exception">If an error occurs.</exception>
public static SafeKeyHandle BCryptImportKey(
SafeAlgorithmHandle hAlgorithm,
[MarshalAs(UnmanagedType.LPWStr)] string pszBlobType,
byte[] pbInput,
SafeKeyHandle hImportKey = null,
byte[] pbKeyObject = null,
BCryptImportKeyFlags dwFlags = BCryptImportKeyFlags.None)
{
SafeKeyHandle importedKey;
BCryptImportKey(
hAlgorithm,
hImportKey ?? new SafeKeyHandle(),
pszBlobType,
out importedKey,
pbKeyObject,
pbKeyObject?.Length ?? 0,
pbInput,
pbInput.Length,
dwFlags).ThrowOnError();
return(importedKey);
}
public static extern NTSTATUS BCryptImportKey(
SafeAlgorithmHandle hAlgorithm,
SafeKeyHandle hImportKey,
[MarshalAs(UnmanagedType.LPWStr)] string pszBlobType,
out SafeKeyHandle phKey,
byte[] pbKeyObject,
int cbKeyObject,
byte[] pbInput,
int cbInput,
BCryptImportKeyFlags dwFlags = BCryptImportKeyFlags.None);