//----------------------------------------------------------------------------------
public static void SetPrivateKey(RSACryptoServiceProvider rsa, byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
int n = br.ReadUInt16();
if (n == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if (br.ReadByte() != 0x02)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if (br.ReadUInt16() != 0x0001)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
byte[] b = br.ReadBytes(15);
if (!OpenSSL.CompareByteArray(b, OpenSSL._seqoid))
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if (br.ReadByte() != 0x04)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadByte()) == 0x81)
{
br.ReadByte();
}
else if (n == 0x82)
{
br.ReadUInt16();
}
Array.Clear(b, 0, b.Length);
b = br.ReadBytes((int)(ms.Length - ms.Position));
OpenSSL.SetRsaPrivateKey(rsa, b);
Array.Clear(b, 0, b.Length);
}
}
}
//----------------------------------------------------------------------------------
public static void SetEncryptedPrivateKey
(
RSACryptoServiceProvider rsa
, byte[] data
, string password
)
{
byte[] OIDpkcs5PBES2 = { 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x05, 0x0D };
byte[] OIDpkcs5PBKDF2 = { 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x05, 0x0C };
byte[] OIDdesEDE3CBC = { 0x06, 0x08, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x03, 0x07 };
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
int n = br.ReadUInt16();
if (n == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
byte[] b = br.ReadBytes(11);
if (!OpenSSL.CompareByteArray(b, OIDpkcs5PBES2))
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
Array.Clear(b, 0, b.Length);
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
b = br.ReadBytes(11);
if (!OpenSSL.CompareByteArray(b, OIDpkcs5PBKDF2))
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
Array.Clear(b, 0, b.Length);
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
if (br.ReadByte() != 0x04)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
byte[] salt = br.ReadBytes(br.ReadByte());
if (br.ReadByte() != 0x02)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
int iterations = 0;
if ((n = br.ReadByte()) == 1)
{
iterations = br.ReadByte();
}
else if (n == 2)
{
iterations = 256 * br.ReadByte() + br.ReadByte();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
b = br.ReadBytes(10);
if (!OpenSSL.CompareByteArray(b, OIDdesEDE3CBC))
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
Array.Clear(b, 0, b.Length);
if (br.ReadByte() != 0x04)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
byte[] iv = br.ReadBytes(br.ReadByte());
if (br.ReadByte() != 0x04)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadByte()) == 0x81)
{
n = br.ReadByte();
}
else if (n == 0x82)
{
n = 256 * br.ReadByte() + br.ReadByte();
}
data = br.ReadBytes(n);
Rfc2898DeriveBytes db = new Rfc2898DeriveBytes(password, salt, iterations);
byte[] bk = db.GetBytes(24);
using (TripleDES td = TripleDES.Create())
b = OpenSSL.Decrypt(td, bk, iv, data);
OpenSSL.SetPrivateKey(rsa, b);
db.Reset();
Array.Clear(b, 0, b.Length);
Array.Clear(data, 0, data.Length);
Array.Clear(salt, 0, salt.Length);
Array.Clear(iv, 0, iv.Length);
Array.Clear(bk, 0, bk.Length);
}
}
}
//----------------------------------------------------------------------------------
public static void SetPublicKey(RSACryptoServiceProvider rsa, byte[] data)
{
byte[] b;
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
int n = br.ReadUInt16();
if (n == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
b = br.ReadBytes(15);
if (!OpenSSL.CompareByteArray(b, OpenSSL._seqoid))
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadUInt16()) == 0x8103)
{
br.ReadByte();
}
else if (n == 0x8203)
{
br.ReadInt16();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if (br.ReadByte() != 0x00)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
if ((n = br.ReadUInt16()) == 0x8130)
{
br.ReadByte();
}
else if (n == 0x8230)
{
br.ReadInt16();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
byte lb = 0;
byte hb = 0;
if ((n = br.ReadUInt16()) == 0x8102)
{
lb = br.ReadByte();
}
else if (n == 0x8202)
{
hb = br.ReadByte();
lb = br.ReadByte();
}
else
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
byte[] mod = { lb, hb, 0x00, 0x00 };
n = BitConverter.ToInt32(mod, 0);
lb = br.ReadByte();
br.BaseStream.Seek(-1, SeekOrigin.Current);
if (lb == 0x00)
{
br.ReadByte();
--n;
}
b = br.ReadBytes(n);
if (br.ReadByte() != 0x02)
{
throw new CryptographicException(OpenSSL.MSG_WRONG_OSSL_DATA);
}
RSAParameters p = new RSAParameters();
p.Modulus = b;
p.Exponent = br.ReadBytes((int)br.ReadByte());
rsa.ImportParameters(p);
}
}
}