/// <exception cref="System.Exception"></exception> public override void Init(int mode, byte[] key, byte[] iv) { byte[] tmp; if (key.Length > bsize) { tmp = new byte[bsize]; System.Array.Copy(key, 0, tmp, 0, tmp.Length); key = tmp; } try { cipher = Sharpen.Cipher.GetInstance("RC4"); SecretKeySpec _key = new SecretKeySpec(key, "RC4"); cipher.Init((mode == ENCRYPT_MODE ? Sharpen.Cipher.ENCRYPT_MODE : Sharpen.Cipher. DECRYPT_MODE), _key); byte[] foo = new byte[1]; for (int i = 0; i < skip; i++) { cipher.Update(foo, 0, 1, foo, 0); } } catch (Exception e) { cipher = null; throw; } }
/// <exception cref="System.Exception"></exception> public override void Init(int mode, byte[] key, byte[] iv) { string pad = "NoPadding"; byte[] tmp; if (iv.Length > ivsize) { tmp = new byte[ivsize]; System.Array.Copy(iv, 0, tmp, 0, tmp.Length); iv = tmp; } if (key.Length > bsize) { tmp = new byte[bsize]; System.Array.Copy(key, 0, tmp, 0, tmp.Length); key = tmp; } try { SecretKeySpec keyspec = new SecretKeySpec(key, "AES"); cipher = Sharpen.Cipher.GetInstance("AES/CBC/" + pad); cipher.Init((mode == ENCRYPT_MODE ? Sharpen.Cipher.ENCRYPT_MODE : Sharpen.Cipher. DECRYPT_MODE), keyspec, new IvParameterSpec(iv)); } catch (Exception e) { cipher = null; throw; } }
/// <exception cref="System.Exception"></exception> public virtual void Init(byte[] key) { if (key.Length > 20) { byte[] tmp = new byte[20]; System.Array.Copy(key, 0, tmp, 0, 20); key = tmp; } SecretKeySpec skey = new SecretKeySpec(key, "HmacSHA1"); mac = Mac.GetInstance("HmacSHA1"); mac.Init(skey); }
/// <exception cref="System.Exception"></exception> public virtual void Init(byte[] key) { if (key.Length > BSIZE) { byte[] tmp = new byte[BSIZE]; System.Array.Copy(key, 0, tmp, 0, BSIZE); key = tmp; } SecretKeySpec skey = new SecretKeySpec(key, "HmacMD5"); mac = Mac.GetInstance("HmacMD5"); mac.Init(skey); }
public override void Init(int mode, Key keyspec) { SecretKeySpec key = (SecretKeySpec)keyspec; if (mode == Cipher.ENCRYPT_MODE) { transformer = rc4.CreateEncryptor(key.Key, new byte[0]); } else { transformer = rc4.CreateDecryptor(key.Key, new byte[0]); } }
public override void Init(int mode, Key keyspec, IvParameterSpec spec) { SecretKeySpec key = (SecretKeySpec)keyspec; if (mode == Cipher.ENCRYPT_MODE) { transformer = encryptor.CreateEncryptor(key.Key, spec.Iv); } else { transformer = encryptor.CreateDecryptor(key.Key, spec.Iv); } }
/// <exception cref="System.Exception"></exception> public override void Init(int mode, byte[] key, byte[] iv) { string pad = "NoPadding"; byte[] tmp; if (key.Length > bsize) { tmp = new byte[bsize]; System.Array.Copy(key, 0, tmp, 0, tmp.Length); key = tmp; } try { cipher = Sharpen.Cipher.GetInstance("RC4"); SecretKeySpec _key = new SecretKeySpec(key, "RC4"); cipher.Init((mode == ENCRYPT_MODE ? Sharpen.Cipher.ENCRYPT_MODE : Sharpen.Cipher. DECRYPT_MODE), _key); } catch (Exception e) { cipher = null; throw; } }
public void Init(KeySpec key) { SecretKeySpec k = (SecretKeySpec)key; mac.Key = k.Key; }
/// <summary>Create a new S3 client for the supplied user information.</summary> /// <remarks> /// Create a new S3 client for the supplied user information. /// <p> /// The connection properties are a subset of those supported by the popular /// <a href="http://jets3t.s3.amazonaws.com/index.html">jets3t</a> library. /// For example: /// <pre> /// # AWS Access and Secret Keys (required) /// accesskey: <YourAWSAccessKey> /// secretkey: <YourAWSSecretKey> /// # Access Control List setting to apply to uploads, must be one of: /// # PRIVATE, PUBLIC_READ (defaults to PRIVATE). /// acl: PRIVATE /// # Number of times to retry after internal error from S3. /// httpclient.retry-max: 3 /// # End-to-end encryption (hides content from S3 owners) /// password: <encryption pass-phrase> /// crypto.algorithm: PBEWithMD5AndDES /// </pre> /// </remarks> /// <param name="props">connection properties.</param> public AmazonS3(Sharpen.Properties props) { publicKey = props.GetProperty("accesskey"); if (publicKey == null) { throw new ArgumentException(JGitText.Get().missingAccesskey); } string secret = props.GetProperty("secretkey"); if (secret == null) { throw new ArgumentException(JGitText.Get().missingSecretkey); } privateKey = new SecretKeySpec(Constants.EncodeASCII(secret), HMAC); string pacl = props.GetProperty("acl", "PRIVATE"); if (StringUtils.EqualsIgnoreCase("PRIVATE", pacl)) { acl = "private"; } else { if (StringUtils.EqualsIgnoreCase("PUBLIC", pacl)) { acl = "public-read"; } else { if (StringUtils.EqualsIgnoreCase("PUBLIC-READ", pacl)) { acl = "public-read"; } else { if (StringUtils.EqualsIgnoreCase("PUBLIC_READ", pacl)) { acl = "public-read"; } else { throw new ArgumentException("Invalid acl: " + pacl); } } } } try { string cPas = props.GetProperty("password"); if (cPas != null) { string cAlg = props.GetProperty("crypto.algorithm"); if (cAlg == null) { cAlg = "PBEWithMD5AndDES"; } encryption = new WalkEncryption.ObjectEncryptionV2(cAlg, cPas); } else { encryption = WalkEncryption.NONE; } } catch (InvalidKeySpecException e) { throw new ArgumentException(JGitText.Get().invalidEncryption, e); } catch (NoSuchAlgorithmException e) { throw new ArgumentException(JGitText.Get().invalidEncryption, e); } maxAttempts = System.Convert.ToInt32(props.GetProperty("httpclient.retry-max", "3" )); proxySelector = ProxySelector.GetDefault(); }