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Native.cs
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Native.cs
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using System;
using System.Runtime.InteropServices;
namespace HpqPswdD.Native
{
[Flags]
public enum CryptAcquireContextFlags : uint
{
CRYPT_NEWKEYSET = 0x00000008,
CRYPT_DELETEKEYSET = 0x00000010,
CRYPT_MACHINE_KEYSET = 0x00000020,
CRYPT_SILENT = 0x00000040,
CRYPT_DEFAULT_CONTAINER_OPTIONAL = 0x00000080,
CRYPT_VERIFYCONTEXT = 0xF0000000
}
[Flags]
public enum CryptProviderType : uint
{
PROV_RSA_FULL = 0x01,
PROV_RSA_SIG = 0x02,
PROV_DSS = 0x03,
PROV_FORTEZZA = 0x04,
PROV_MS_EXCHANGE = 0x05,
PROV_SSL = 0x06,
PROV_RSA_SCHANNEL = 0x0C,
PROV_DSS_DH = 0x0D,
PROV_EC_ECDSA_SIG = 0x0E,
PROV_EC_ECNRA_SIG = 0x0F,
PROV_EC_ECDSA_FULL = 0x10,
PROV_EC_ECNRA_FULL = 0x11,
PROV_DH_SCHANNEL = 0x12,
PROV_SPYRUS_LYNKS = 0x14,
PROV_RNG = 0x15,
PROV_INTEL_SEC = 0x16,
PROV_REPLACE_OWF = 0x17,
PROV_RSA_AES = 0x18
}
[Flags]
public enum CryptOtherFlags : uint
{
CRYPT_NONE = 0x0000,
CRYPT_EXPORTABLE = 0x0001,
CRYPT_USER_PROTECTED = 0x0002,
CRYPT_NO_SALT = 0x0010,
CRYPT_OAEP = 0x0040,
CRYPT_IPSEC_HMAC_KEY = 0x0100
}
public struct CryptProviderNames
{
public static readonly string MS_ENH_RSA_AES_PROV = "Microsoft Enhanced RSA and AES Cryptographic Provider";
}
public static class Advapi
{
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return : MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptAcquireContext(
out IntPtr prov,
[MarshalAs(UnmanagedType.LPTStr)]
string container,
[MarshalAs(UnmanagedType.LPTStr)]
string provider,
[MarshalAs(UnmanagedType.U4)]
CryptProviderType provType,
[MarshalAs(UnmanagedType.U4)]
CryptAcquireContextFlags flags);
[DllImport("advapi32.dll", SetLastError = true)]
[return : MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptReleaseContext(
IntPtr prov,
[MarshalAs(UnmanagedType.U4)]
uint flags);
[DllImport("advapi32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptImportKey(
IntPtr prov,
byte[] keyData,
[MarshalAs(UnmanagedType.U4)]
uint dataLen,
IntPtr pubKey,
[MarshalAs(UnmanagedType.U4)]
CryptOtherFlags flags,
out IntPtr key);
[DllImport("advapi32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptDestroyKey(
IntPtr key);
[DllImport("advapi32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptDecrypt(
IntPtr key,
IntPtr hash,
[MarshalAs(UnmanagedType.Bool)]
bool final,
[MarshalAs(UnmanagedType.U4)]
CryptOtherFlags flags,
byte[] data,
[MarshalAs(UnmanagedType.U4)]
out uint dataLen);
[DllImport("advapi32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CryptEncrypt(
IntPtr key,
IntPtr hash,
[MarshalAs(UnmanagedType.Bool)]
bool final,
[MarshalAs(UnmanagedType.U4)]
CryptOtherFlags flags,
byte[] data,
[MarshalAs(UnmanagedType.U4)]
out uint dataLen,
[MarshalAs(UnmanagedType.U4)]
uint bufLen);
}
}