Add GCM, CTR, and CTS modes to AES.

nss/mozilla/security/nss/lib/freebl/mpi/mp_gf2m-priv.h

 /*
  * ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 28 matching lines @@
 
 #ifndef _MP_GF2M_PRIV_H_
 #define _MP_GF2M_PRIV_H_
 
 #include "mpi-priv.h"
 
 extern const mp_digit mp_gf2m_sqr_tb[16];
 
 #if defined(MP_USE_UINT_DIGIT)
 #define MP_DIGIT_BITS 32
+/* enable fast divide and mod operations on MP_DIGIT_BITS */
+#define MP_DIGIT_BITS_LOG_2 5
+#define MP_DIGIT_BITS_MASK 0x1f
 #else
 #define MP_DIGIT_BITS 64
+/* enable fast divide and mod operations on MP_DIGIT_BITS */
+#define MP_DIGIT_BITS_LOG_2 6
+#define MP_DIGIT_BITS_MASK 0x3f
 #endif
 
 /* Platform-specific macros for fast binary polynomial squaring. */
 #if MP_DIGIT_BITS == 32
 #define gf2m_SQR1(w) \
     mp_gf2m_sqr_tb[(w) >> 28 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >> 24 & 0xF] << 16 | \
     mp_gf2m_sqr_tb[(w) >> 20 & 0xF] <<  8 | mp_gf2m_sqr_tb[(w) >> 16 & 0xF]
 #define gf2m_SQR0(w) \
     mp_gf2m_sqr_tb[(w) >> 12 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >>  8 & 0xF] << 16 | \
     mp_gf2m_sqr_tb[(w) >>  4 & 0xF] <<  8 | mp_gf2m_sqr_tb[(w)       & 0xF]
@@ skipping 32 matching lines @@
 
 /* Compute xor-multiply of two binary polynomials  (a3, a2, a1, a0) x (b3, b2, b1, b0)  
  * result is a binary polynomial in 8 mp_digits r[8].
  * The caller MUST ensure that r has the right amount of space allocated.
  */
 void s_bmul_4x4(mp_digit *r, const mp_digit a3, const mp_digit a2, const mp_digit a1, 
         const mp_digit a0, const mp_digit b3, const mp_digit b2, const mp_digit b1, 
         const mp_digit b0);
 
 #endif /* _MP_GF2M_PRIV_H_ */