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SHA1Digest
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org.bouncycastle.crypto.digests</FONT>
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Class SHA1Digest</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html" title="class in org.bouncycastle.crypto.digests">org.bouncycastle.crypto.digests.GeneralDigest</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.bouncycastle.crypto.digests.SHA1Digest</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/bouncycastle/crypto/Digest.html" title="interface in org.bouncycastle.crypto">Digest</A></DD>
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<DT>public class <B>SHA1Digest</B><DT>extends <A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html" title="class in org.bouncycastle.crypto.digests">GeneralDigest</A></DL>
<P>
implementation of SHA-1 as outlined in "Handbook of Applied Cryptography", pages 346 - 349. It is interesting to ponder why the, apart from the extra IV, the other difference here from MD5 is the "endienness" of the word processing!
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<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#DIGEST_LENGTH">DIGEST_LENGTH</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#H1">H1</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#H2">H2</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#H3">H3</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#H4">H4</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#H5">H5</A></B></CODE>
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<CODE>private int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#X">X</A></B></CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#xOff">xOff</A></B></CODE>
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<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#Y1">Y1</A></B></CODE>
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<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#Y2">Y2</A></B></CODE>
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<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#Y3">Y3</A></B></CODE>
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<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#Y4">Y4</A></B></CODE>
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<A NAME="fields_inherited_from_class_org.bouncycastle.crypto.digests.GeneralDigest"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Fields inherited from class org.bouncycastle.crypto.digests.<A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html" title="class in org.bouncycastle.crypto.digests">GeneralDigest</A></B></TD>
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<TD><CODE></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#SHA1Digest()">SHA1Digest</A></B>()</CODE>
<BR>
Standard constructor</TD>
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<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#SHA1Digest(org.bouncycastle.crypto.digests.SHA1Digest)">SHA1Digest</A></B>(<A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html" title="class in org.bouncycastle.crypto.digests">SHA1Digest</A> t)</CODE>
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Copy constructor. </TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#doFinal(byte[], int)">doFinal</A></B>(byte[] out, int outOff)</CODE>
<BR>
close the digest, producing the final digest value. </TD>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#f(int, int, int)">f</A></B>(int u, int v, int w)</CODE>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#g(int, int, int)">g</A></B>(int u, int v, int w)</CODE>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#getAlgorithmName()">getAlgorithmName</A></B>()</CODE>
<BR>
return the algorithm name</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#getDigestSize()">getDigestSize</A></B>()</CODE>
<BR>
return the size, in bytes, of the digest produced by this message digest.</TD>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#h(int, int, int)">h</A></B>(int u, int v, int w)</CODE>
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<CODE>protected void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#processBlock()">processBlock</A></B>()</CODE>
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<CODE>protected void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#processLength(long)">processLength</A></B>(long bitLength)</CODE>
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<CODE>protected void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#processWord(byte[], int)">processWord</A></B>(byte[] in, int inOff)</CODE>
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</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#reset()">reset</A></B>()</CODE>
<BR>
reset the chaining variables</TD>
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<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#rotateLeft(int, int)">rotateLeft</A></B>(int x, int n)</CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/digests/SHA1Digest.html#unpackWord(int, byte[], int)">unpackWord</A></B>(int word, byte[] out, int outOff)</CODE>
<BR>
</TD>
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<A NAME="methods_inherited_from_class_org.bouncycastle.crypto.digests.GeneralDigest"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class org.bouncycastle.crypto.digests.<A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html" title="class in org.bouncycastle.crypto.digests">GeneralDigest</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html#finish()">finish</A>, <A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html#update(byte)">update</A>, <A HREF="../../../../org/bouncycastle/crypto/digests/GeneralDigest.html#update(byte[], int, int)">update</A></CODE></TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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