You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
4.2 KiB
110 lines
4.2 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
|
#pragma warning disable |
|
using System; |
|
using System.IO; |
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs; |
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509; |
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto; |
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO; |
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Pkcs |
|
{ |
|
/// <summary> |
|
/// A holding class for a PKCS#8 encrypted private key info object that allows for its decryption. |
|
/// </summary> |
|
public class Pkcs8EncryptedPrivateKeyInfo |
|
{ |
|
private EncryptedPrivateKeyInfo encryptedPrivateKeyInfo; |
|
|
|
private static EncryptedPrivateKeyInfo parseBytes(byte[] pkcs8Encoding) |
|
{ |
|
try |
|
{ |
|
return EncryptedPrivateKeyInfo.GetInstance(pkcs8Encoding); |
|
} |
|
|
|
catch (ArgumentException e) |
|
{ |
|
throw new PkcsIOException("malformed data: " + e.Message, e); |
|
} |
|
catch (Exception e) |
|
{ |
|
throw new PkcsIOException("malformed data: " + e.Message, e); |
|
} |
|
} |
|
|
|
/// <summary> |
|
/// Base constructor from a PKCS#8 EncryptedPrivateKeyInfo object. |
|
/// </summary> |
|
/// <param name="encryptedPrivateKeyInfo">A PKCS#8 EncryptedPrivateKeyInfo object.</param> |
|
public Pkcs8EncryptedPrivateKeyInfo(EncryptedPrivateKeyInfo encryptedPrivateKeyInfo) |
|
{ |
|
this.encryptedPrivateKeyInfo = encryptedPrivateKeyInfo; |
|
} |
|
|
|
/// <summary> |
|
/// Base constructor from a BER encoding of a PKCS#8 EncryptedPrivateKeyInfo object. |
|
/// </summary> |
|
/// <param name="encryptedPrivateKeyInfo">A BER encoding of a PKCS#8 EncryptedPrivateKeyInfo objects.</param> |
|
public Pkcs8EncryptedPrivateKeyInfo(byte[] encryptedPrivateKeyInfo) : this(parseBytes(encryptedPrivateKeyInfo)) |
|
{ |
|
|
|
} |
|
|
|
/// <summary> |
|
/// Returns the underlying ASN.1 structure inside this object. |
|
/// </summary> |
|
/// <returns>Return the EncryptedPrivateKeyInfo structure in this object.</returns> |
|
public EncryptedPrivateKeyInfo ToAsn1Structure() |
|
{ |
|
return encryptedPrivateKeyInfo; |
|
} |
|
|
|
/// <summary> |
|
/// Returns a copy of the encrypted data in this structure. |
|
/// </summary> |
|
/// <returns>Return a copy of the encrypted data in this object.</returns> |
|
public byte[] GetEncryptedData() |
|
{ |
|
return encryptedPrivateKeyInfo.GetEncryptedData(); |
|
} |
|
|
|
/// <summary> |
|
/// Return a binary ASN.1 encoding of the EncryptedPrivateKeyInfo structure in this object. |
|
/// </summary> |
|
/// <returns>A byte array containing the encoded object.</returns> |
|
public byte[] GetEncoded() |
|
{ |
|
return encryptedPrivateKeyInfo.GetEncoded(); |
|
} |
|
|
|
/// <summary> |
|
/// Get a decryptor from the passed in provider and decrypt the encrypted private key info, returning the result. |
|
/// </summary> |
|
/// <param name="inputDecryptorProvider">A provider to query for decryptors for the object.</param> |
|
/// <returns>The decrypted private key info structure.</returns> |
|
public PrivateKeyInfo DecryptPrivateKeyInfo(IDecryptorBuilderProvider inputDecryptorProvider) |
|
{ |
|
try |
|
{ |
|
ICipherBuilder decryptorBuilder = inputDecryptorProvider.CreateDecryptorBuilder(encryptedPrivateKeyInfo.EncryptionAlgorithm); |
|
|
|
ICipher encIn = decryptorBuilder.BuildCipher(new MemoryInputStream(encryptedPrivateKeyInfo.GetEncryptedData())); |
|
|
|
Stream strm = encIn.Stream; |
|
byte[] data = Streams.ReadAll(encIn.Stream); |
|
BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(strm); |
|
|
|
return PrivateKeyInfo.GetInstance(data); |
|
} |
|
catch (Exception e) |
|
{ |
|
throw new PkcsException("unable to read encrypted data: " + e.Message, e); |
|
} |
|
} |
|
} |
|
} |
|
#pragma warning restore |
|
#endif
|
|
|