commit 41d13f4af8b6e18961b9fa2fd5401af8c4d449df
author Paul Bakker <p.j.bakker@polarssl.org> Tue Mar 16 21:26:36 2010 +0000
committer Paul Bakker <p.j.bakker@polarssl.org> Tue Mar 16 21:26:36 2010 +0000
tree 543d11b5931e3924ebd7c8b0583ab92111a313eb
parent 4ed999c4b2fd4cc2a4b41dccc8f82477400a3251

 - Found algorithmic bug in mpi_is_prime()

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index e13bf3e..3a63c44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@
      certificate in the chain in ssl_write_certificate() and

 	 ssl_write_certificate_request() (Found by fatbob)

    * Added small fixes for compiler warnings on a Mac

+   * Fixed algorithmic bug in mpi_is_prime() (Found by

+     Smbat Tonoyan)

 

 = Version 0.12.1 released on 2009-10-04

 Changes

library/bignum.c

diff --git a/library/bignum.c b/library/bignum.c
index 357dd46..fa9f1f1 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1720,8 +1720,8 @@
      * W = |X| - 1
      * R = W >> lsb( W )
      */
-    s = mpi_lsb( &W );
     MPI_CHK( mpi_sub_int( &W, X, 1 ) );
+    s = mpi_lsb( &W );
     MPI_CHK( mpi_copy( &R, &W ) );
     MPI_CHK( mpi_shift_r( &R, s ) );