Change the DH key length from 512 to 1024 bits to meet minimum requirements
of FIPS 140-2.  (In principle we could use the larger size only when FIPS
mode is on, but it doesn't seem worth the trouble.)

The new parameter value was generated using "openssl dhparam -C 1024".


diff -Naur mysql-5.5.28.orig/vio/viosslfactories.c mysql-5.5.28/vio/viosslfactories.c
--- mysql-5.5.28.orig/vio/viosslfactories.c	2012-08-29 04:50:46.000000000 -0400
+++ mysql-5.5.28/vio/viosslfactories.c	2012-11-15 11:19:38.575701435 -0500
@@ -20,27 +20,32 @@
 static my_bool     ssl_algorithms_added    = FALSE;
 static my_bool     ssl_error_strings_loaded= FALSE;
 
-static unsigned char dh512_p[]=
+static unsigned char dh1024_p[]=
 {
-  0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
-  0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
-  0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
-  0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
-  0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
-  0x47,0x74,0xE8,0x33,
+  0xBF,0x5C,0xFA,0xD1,0xDD,0xBB,0xB3,0x0A,0x58,0x29,0x05,0xF5,
+  0x7D,0x64,0xB2,0xE1,0xCE,0xE8,0xE0,0xE1,0x7A,0xB6,0xBC,0x5B,
+  0x21,0x56,0xDF,0x2C,0x82,0x60,0xDC,0x31,0xCA,0x1E,0x02,0xFE,
+  0xC4,0xE7,0x24,0x63,0x31,0xE4,0x67,0x1C,0x0B,0xFF,0x86,0x12,
+  0x0D,0x2E,0xE6,0x35,0x0A,0x07,0x4F,0xE7,0x3F,0xDE,0xFE,0xF0,
+  0x13,0x1C,0xA2,0x2B,0xF4,0xEE,0x2C,0x90,0x10,0x57,0x6B,0x2B,
+  0xB9,0x1E,0x1B,0x47,0xB0,0x25,0xBF,0x45,0x86,0xDA,0x87,0x35,
+  0x2C,0xF5,0x6A,0x41,0xA2,0x57,0xD8,0x16,0x5E,0x82,0x91,0x99,
+  0x33,0xA0,0x8B,0x9D,0x34,0xCE,0x03,0x01,0x80,0x32,0x07,0x3B,
+  0xF2,0x93,0xFC,0x3A,0x25,0xEC,0xB3,0xED,0x5C,0x4E,0x57,0xF2,
+  0x3C,0x2E,0x0D,0xB1,0x59,0xA2,0x08,0x93,
 };
 
-static unsigned char dh512_g[]={
+static unsigned char dh1024_g[]={
   0x02,
 };
 
-static DH *get_dh512(void)
+static DH *get_dh1024(void)
 {
   DH *dh;
   if ((dh=DH_new()))
   {
-    dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
-    dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
+    dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
+    dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
     if (! dh->p || ! dh->g)
     {
       DH_free(dh);
@@ -255,7 +260,7 @@
   }
 
   /* DH stuff */
-  dh=get_dh512();
+  dh=get_dh1024();
   SSL_CTX_set_tmp_dh(ssl_fd->ssl_context, dh);
   DH_free(dh);