From d8e49ec3f297f9ba0991762eb2cddbc00ed634d2 Mon Sep 17 00:00:00 2001 From: Kenny Root Date: Thu, 11 Apr 2013 21:01:32 -0700 Subject: Fix line endings --- src/com/trilead/ssh2/crypto/digest/MAC.java | 236 ++++++++++++++-------------- 1 file changed, 118 insertions(+), 118 deletions(-) (limited to 'src/com/trilead/ssh2/crypto/digest/MAC.java') diff --git a/src/com/trilead/ssh2/crypto/digest/MAC.java b/src/com/trilead/ssh2/crypto/digest/MAC.java index 8138e63..20c52fa 100644 --- a/src/com/trilead/ssh2/crypto/digest/MAC.java +++ b/src/com/trilead/ssh2/crypto/digest/MAC.java @@ -1,118 +1,118 @@ - -package com.trilead.ssh2.crypto.digest; - -import java.security.InvalidKeyException; -import java.security.NoSuchAlgorithmException; - -import javax.crypto.Mac; -import javax.crypto.ShortBufferException; -import javax.crypto.spec.SecretKeySpec; - -/** - * MAC. - * - * @author Christian Plattner, plattner@trilead.com - * @version $Id: MAC.java,v 1.1 2007/10/15 12:49:57 cplattne Exp $ - */ -public final class MAC -{ - Mac mac; - int outSize; - int macSize; - byte[] buffer; - - /* Higher Priority First */ - private static final String[] MAC_LIST = { - "hmac-sha1-96", "hmac-sha1", "hmac-md5-96", "hmac-md5" - }; - - public final static String[] getMacList() - { - return MAC_LIST; - } - - public final static void checkMacList(String[] macs) - { - for (int i = 0; i < macs.length; i++) - getKeyLen(macs[i]); - } - - public final static int getKeyLen(String type) - { - if (type.equals("hmac-sha1")) - return 20; - if (type.equals("hmac-sha1-96")) - return 20; - if (type.equals("hmac-md5")) - return 16; - if (type.equals("hmac-md5-96")) - return 16; - throw new IllegalArgumentException("Unkown algorithm " + type); - } - - public MAC(String type, byte[] key) - { - try { - if ("hmac-sha1".equals(type) || "hmac-sha1-96".equals(type)) - { - mac = Mac.getInstance("HmacSHA1"); - } - else if ("hmac-md5".equals(type) || "hmac-md5-96".equals(type)) - { - mac = Mac.getInstance("HmacMD5"); - } - else - throw new IllegalArgumentException("Unkown algorithm " + type); - } catch (NoSuchAlgorithmException e) { - throw new IllegalArgumentException("Unknown algorithm " + type, e); - } - - macSize = mac.getMacLength(); - if (type.endsWith("-96")) { - outSize = 12; - buffer = new byte[macSize]; - } else { - outSize = macSize; - buffer = null; - } - - try { - mac.init(new SecretKeySpec(key, type)); - } catch (InvalidKeyException e) { - throw new IllegalArgumentException(e); - } - } - - public final void initMac(int seq) - { - mac.reset(); - mac.update((byte) (seq >> 24)); - mac.update((byte) (seq >> 16)); - mac.update((byte) (seq >> 8)); - mac.update((byte) (seq)); - } - - public final void update(byte[] packetdata, int off, int len) - { - mac.update(packetdata, off, len); - } - - public final void getMac(byte[] out, int off) - { - try { - if (buffer != null) { - mac.doFinal(buffer, 0); - System.arraycopy(buffer, 0, out, off, out.length - off); - } else { - mac.doFinal(out, off); - } - } catch (ShortBufferException e) { - throw new IllegalStateException(e); - } - } - - public final int size() - { - return outSize; - } -} + +package com.trilead.ssh2.crypto.digest; + +import java.security.InvalidKeyException; +import java.security.NoSuchAlgorithmException; + +import javax.crypto.Mac; +import javax.crypto.ShortBufferException; +import javax.crypto.spec.SecretKeySpec; + +/** + * MAC. + * + * @author Christian Plattner, plattner@trilead.com + * @version $Id: MAC.java,v 1.1 2007/10/15 12:49:57 cplattne Exp $ + */ +public final class MAC +{ + Mac mac; + int outSize; + int macSize; + byte[] buffer; + + /* Higher Priority First */ + private static final String[] MAC_LIST = { + "hmac-sha1-96", "hmac-sha1", "hmac-md5-96", "hmac-md5" + }; + + public final static String[] getMacList() + { + return MAC_LIST; + } + + public final static void checkMacList(String[] macs) + { + for (int i = 0; i < macs.length; i++) + getKeyLen(macs[i]); + } + + public final static int getKeyLen(String type) + { + if (type.equals("hmac-sha1")) + return 20; + if (type.equals("hmac-sha1-96")) + return 20; + if (type.equals("hmac-md5")) + return 16; + if (type.equals("hmac-md5-96")) + return 16; + throw new IllegalArgumentException("Unkown algorithm " + type); + } + + public MAC(String type, byte[] key) + { + try { + if ("hmac-sha1".equals(type) || "hmac-sha1-96".equals(type)) + { + mac = Mac.getInstance("HmacSHA1"); + } + else if ("hmac-md5".equals(type) || "hmac-md5-96".equals(type)) + { + mac = Mac.getInstance("HmacMD5"); + } + else + throw new IllegalArgumentException("Unkown algorithm " + type); + } catch (NoSuchAlgorithmException e) { + throw new IllegalArgumentException("Unknown algorithm " + type, e); + } + + macSize = mac.getMacLength(); + if (type.endsWith("-96")) { + outSize = 12; + buffer = new byte[macSize]; + } else { + outSize = macSize; + buffer = null; + } + + try { + mac.init(new SecretKeySpec(key, type)); + } catch (InvalidKeyException e) { + throw new IllegalArgumentException(e); + } + } + + public final void initMac(int seq) + { + mac.reset(); + mac.update((byte) (seq >> 24)); + mac.update((byte) (seq >> 16)); + mac.update((byte) (seq >> 8)); + mac.update((byte) (seq)); + } + + public final void update(byte[] packetdata, int off, int len) + { + mac.update(packetdata, off, len); + } + + public final void getMac(byte[] out, int off) + { + try { + if (buffer != null) { + mac.doFinal(buffer, 0); + System.arraycopy(buffer, 0, out, off, out.length - off); + } else { + mac.doFinal(out, off); + } + } catch (ShortBufferException e) { + throw new IllegalStateException(e); + } + } + + public final int size() + { + return outSize; + } +} -- cgit v1.2.3