aboutsummaryrefslogtreecommitdiffstats
path: root/lib/src/main/java/com/trilead/ssh2/DHGexParameters.java
diff options
context:
space:
mode:
Diffstat (limited to 'lib/src/main/java/com/trilead/ssh2/DHGexParameters.java')
-rw-r--r--lib/src/main/java/com/trilead/ssh2/DHGexParameters.java242
1 files changed, 121 insertions, 121 deletions
diff --git a/lib/src/main/java/com/trilead/ssh2/DHGexParameters.java b/lib/src/main/java/com/trilead/ssh2/DHGexParameters.java
index 94afb30..a2945ee 100644
--- a/lib/src/main/java/com/trilead/ssh2/DHGexParameters.java
+++ b/lib/src/main/java/com/trilead/ssh2/DHGexParameters.java
@@ -1,121 +1,121 @@
-
-package com.trilead.ssh2;
-
-/**
- * A <code>DHGexParameters</code> object can be used to specify parameters for
- * the diffie-hellman group exchange.
- * <p>
- * Depending on which constructor is used, either the use of a
- * <code>SSH_MSG_KEX_DH_GEX_REQUEST</code> or <code>SSH_MSG_KEX_DH_GEX_REQUEST_OLD</code>
- * can be forced.
- *
- * @see Connection#setDHGexParameters(DHGexParameters)
- * @author Christian Plattner, plattner@trilead.com
- * @version $Id: DHGexParameters.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
- */
-
-public class DHGexParameters
-{
- private final int min_group_len;
- private final int pref_group_len;
- private final int max_group_len;
-
- private static final int MIN_ALLOWED = 1024;
- private static final int MAX_ALLOWED = 8192;
-
- /**
- * Same as calling {@link #DHGexParameters(int, int, int) DHGexParameters(1024, 1024, 4096)}.
- * This is also the default used by the Connection class.
- *
- */
- public DHGexParameters()
- {
- this(1024, 1024, 4096);
- }
-
- /**
- * This constructor can be used to force the sending of a
- * <code>SSH_MSG_KEX_DH_GEX_REQUEST_OLD</code> request.
- * Internally, the minimum and maximum group lengths will
- * be set to zero.
- *
- * @param pref_group_len has to be &gt= 1024 and &lt;= 8192
- */
- public DHGexParameters(int pref_group_len)
- {
- if ((pref_group_len < MIN_ALLOWED) || (pref_group_len > MAX_ALLOWED))
- throw new IllegalArgumentException("pref_group_len out of range!");
-
- this.pref_group_len = pref_group_len;
- this.min_group_len = 0;
- this.max_group_len = 0;
- }
-
- /**
- * This constructor can be used to force the sending of a
- * <code>SSH_MSG_KEX_DH_GEX_REQUEST</code> request.
- * <p>
- * Note: older OpenSSH servers don't understand this request, in which
- * case you should use the {@link #DHGexParameters(int)} constructor.
- * <p>
- * All values have to be &gt= 1024 and &lt;= 8192. Furthermore,
- * min_group_len &lt;= pref_group_len &lt;= max_group_len.
- *
- * @param min_group_len
- * @param pref_group_len
- * @param max_group_len
- */
- public DHGexParameters(int min_group_len, int pref_group_len, int max_group_len)
- {
- if ((min_group_len < MIN_ALLOWED) || (min_group_len > MAX_ALLOWED))
- throw new IllegalArgumentException("min_group_len out of range!");
-
- if ((pref_group_len < MIN_ALLOWED) || (pref_group_len > MAX_ALLOWED))
- throw new IllegalArgumentException("pref_group_len out of range!");
-
- if ((max_group_len < MIN_ALLOWED) || (max_group_len > MAX_ALLOWED))
- throw new IllegalArgumentException("max_group_len out of range!");
-
- if ((pref_group_len < min_group_len) || (pref_group_len > max_group_len))
- throw new IllegalArgumentException("pref_group_len is incompatible with min and max!");
-
- if (max_group_len < min_group_len)
- throw new IllegalArgumentException("max_group_len must not be smaller than min_group_len!");
-
- this.min_group_len = min_group_len;
- this.pref_group_len = pref_group_len;
- this.max_group_len = max_group_len;
- }
-
- /**
- * Get the maximum group length.
- *
- * @return the maximum group length, may be <code>zero</code> if
- * SSH_MSG_KEX_DH_GEX_REQUEST_OLD should be requested
- */
- public int getMax_group_len()
- {
- return max_group_len;
- }
-
- /**
- * Get the minimum group length.
- *
- * @return minimum group length, may be <code>zero</code> if
- * SSH_MSG_KEX_DH_GEX_REQUEST_OLD should be requested
- */
- public int getMin_group_len()
- {
- return min_group_len;
- }
-
- /**
- * Get the preferred group length.
- *
- * @return the preferred group length
- */
- public int getPref_group_len()
- {
- return pref_group_len;
- }
-}
+
+package com.trilead.ssh2;
+
+/**
+ * A <code>DHGexParameters</code> object can be used to specify parameters for
+ * the diffie-hellman group exchange.
+ * <p>
+ * Depending on which constructor is used, either the use of a
+ * <code>SSH_MSG_KEX_DH_GEX_REQUEST</code> or <code>SSH_MSG_KEX_DH_GEX_REQUEST_OLD</code>
+ * can be forced.
+ *
+ * @see Connection#setDHGexParameters(DHGexParameters)
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: DHGexParameters.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+
+public class DHGexParameters
+{
+ private final int min_group_len;
+ private final int pref_group_len;
+ private final int max_group_len;
+
+ private static final int MIN_ALLOWED = 1024;
+ private static final int MAX_ALLOWED = 8192;
+
+ /**
+ * Same as calling {@link #DHGexParameters(int, int, int) DHGexParameters(1024, 1024, 4096)}.
+ * This is also the default used by the Connection class.
+ *
+ */
+ public DHGexParameters()
+ {
+ this(1024, 1024, 4096);
+ }
+
+ /**
+ * This constructor can be used to force the sending of a
+ * <code>SSH_MSG_KEX_DH_GEX_REQUEST_OLD</code> request.
+ * Internally, the minimum and maximum group lengths will
+ * be set to zero.
+ *
+ * @param pref_group_len has to be &gt= 1024 and &lt;= 8192
+ */
+ public DHGexParameters(int pref_group_len)
+ {
+ if ((pref_group_len < MIN_ALLOWED) || (pref_group_len > MAX_ALLOWED))
+ throw new IllegalArgumentException("pref_group_len out of range!");
+
+ this.pref_group_len = pref_group_len;
+ this.min_group_len = 0;
+ this.max_group_len = 0;
+ }
+
+ /**
+ * This constructor can be used to force the sending of a
+ * <code>SSH_MSG_KEX_DH_GEX_REQUEST</code> request.
+ * <p>
+ * Note: older OpenSSH servers don't understand this request, in which
+ * case you should use the {@link #DHGexParameters(int)} constructor.
+ * <p>
+ * All values have to be &gt= 1024 and &lt;= 8192. Furthermore,
+ * min_group_len &lt;= pref_group_len &lt;= max_group_len.
+ *
+ * @param min_group_len
+ * @param pref_group_len
+ * @param max_group_len
+ */
+ public DHGexParameters(int min_group_len, int pref_group_len, int max_group_len)
+ {
+ if ((min_group_len < MIN_ALLOWED) || (min_group_len > MAX_ALLOWED))
+ throw new IllegalArgumentException("min_group_len out of range!");
+
+ if ((pref_group_len < MIN_ALLOWED) || (pref_group_len > MAX_ALLOWED))
+ throw new IllegalArgumentException("pref_group_len out of range!");
+
+ if ((max_group_len < MIN_ALLOWED) || (max_group_len > MAX_ALLOWED))
+ throw new IllegalArgumentException("max_group_len out of range!");
+
+ if ((pref_group_len < min_group_len) || (pref_group_len > max_group_len))
+ throw new IllegalArgumentException("pref_group_len is incompatible with min and max!");
+
+ if (max_group_len < min_group_len)
+ throw new IllegalArgumentException("max_group_len must not be smaller than min_group_len!");
+
+ this.min_group_len = min_group_len;
+ this.pref_group_len = pref_group_len;
+ this.max_group_len = max_group_len;
+ }
+
+ /**
+ * Get the maximum group length.
+ *
+ * @return the maximum group length, may be <code>zero</code> if
+ * SSH_MSG_KEX_DH_GEX_REQUEST_OLD should be requested
+ */
+ public int getMax_group_len()
+ {
+ return max_group_len;
+ }
+
+ /**
+ * Get the minimum group length.
+ *
+ * @return minimum group length, may be <code>zero</code> if
+ * SSH_MSG_KEX_DH_GEX_REQUEST_OLD should be requested
+ */
+ public int getMin_group_len()
+ {
+ return min_group_len;
+ }
+
+ /**
+ * Get the preferred group length.
+ *
+ * @return the preferred group length
+ */
+ public int getPref_group_len()
+ {
+ return pref_group_len;
+ }
+}