commit 48eab260e9a70ed88ef28900483b0964f847ef17
author Paul Bakker <p.j.bakker@polarssl.org> Thu Jun 25 21:25:49 2009 +0000
committer Paul Bakker <p.j.bakker@polarssl.org> Thu Jun 25 21:25:49 2009 +0000
tree 5190fcf47492b989a870cc3ddbdb3c7492299b76
parent ce40a6d21dd8e38c80d57702321ba0844bf7aec2

 - Corrected is_prime() results for 0, 1 and 2 (found by code coverage tests)

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 5dc686e..b72b055 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@
      value in mpi_mod_mpi() and mpi_mod_int(). Resulting

 	 change also affects mpi_write_string() (found by code

 	 coverage tests).

+   * Corrected is_prime() results for 0, 1 and 2 (found by

+     code coverage tests).

 

 = Version 0.11.1 released on 2009-05-17

    * Fixed missing functionality for SHA-224, SHA-256, SHA384,

library/bignum.c

diff --git a/library/bignum.c b/library/bignum.c
index d1646f0..aa7230f 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1683,7 +1683,11 @@
     mpi W, R, T, A, RR;
     unsigned char *p;
 
-    if( mpi_cmp_int( X, 0 ) == 0 )
+    if( mpi_cmp_int( X, 0 ) == 0 ||
+        mpi_cmp_int( X, 1 ) == 0 )
+        return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE );
+
+    if( mpi_cmp_int( X, 2 ) == 0 )
         return( 0 );
 
     mpi_init( &W, &R, &T, &A, &RR, NULL );