Keep disclaiming 16-bit support.

If you examine changes, you are likely to wonder "but what about ILP64,
elusive as they are, don't they fall victim to 16-bit rationalization?"
No, the case was modeled and verified to work.
Reviewed-by: NRich Salz <rsalz@openssl.org>

CHANGES

@@ -37,7 +37,7 @@
 	NCR
 	Tandem
 	Cray
-	WIN16
+	16-bit platforms such as WIN16
      [Rich Salz]
 
   *) Start cleaning up OPENSSL_NO_xxx #define's

crypto/bf/blowfish.h

@@ -74,19 +74,10 @@ extern "C" {
 
 /*-
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
- * ! BF_LONG_LOG2 has to be defined along.                        !
+ * ! BF_LONG has to be at least 32 bits wide.                     !
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  */
-
-# if defined(__LP32__)
-#  define BF_LONG unsigned long
-# elif defined(__ILP64__)
-#  define BF_LONG unsigned long
-#  define BF_LONG_LOG2 3
-# else
-#  define BF_LONG unsigned int
-# endif
+# define BF_LONG unsigned int
 
 # define BF_ROUNDS       16
 # define BF_BLOCK        8

crypto/md32_common.h

@@ -64,8 +64,7 @@
  * HASH_CBLOCK
  *      size of a unit chunk HASH_BLOCK operates on.
  * HASH_LONG
- *      has to be at lest 32 bit wide, if it's wider, then
- *      HASH_LONG_LOG2 *has to* be defined along
+ *      has to be at lest 32 bit wide.
  * HASH_CTX
  *      context structure that at least contains following
  *      members:
@@ -98,7 +97,6 @@
  *      #define DATA_ORDER_IS_LITTLE_ENDIAN
  *
  *      #define HASH_LONG               MD5_LONG
- *      #define HASH_LONG_LOG2          MD5_LONG_LOG2
  *      #define HASH_CTX                MD5_CTX
  *      #define HASH_CBLOCK             MD5_CBLOCK
  *      #define HASH_UPDATE             MD5_Update

crypto/md4/md4.h

@@ -72,19 +72,10 @@ extern "C" {
 
 /*-
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * ! MD4_LONG has to be at least 32 bits wide. If it's wider, then !
- * ! MD4_LONG_LOG2 has to be defined along.                        !
+ * ! MD4_LONG has to be at least 32 bits wide.                     !
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  */
-
-# if defined(__LP32__)
-#  define MD4_LONG unsigned long
-# elif defined(__ILP64__)
-#  define MD4_LONG unsigned long
-#  define MD4_LONG_LOG2 3
-# else
-#  define MD4_LONG unsigned int
-# endif
+# define MD4_LONG unsigned int
 
 # define MD4_CBLOCK      64
 # define MD4_LBLOCK      (MD4_CBLOCK/4)

crypto/md4/md4_locl.h

@@ -61,10 +61,6 @@
 #include <openssl/opensslconf.h>
 #include <openssl/md4.h>
 
-#ifndef MD4_LONG_LOG2
-# define MD4_LONG_LOG2 2        /* default to 32 bits */
-#endif
-
 void md4_block_data_order(MD4_CTX *c, const void *p, size_t num);
 
 #define DATA_ORDER_IS_LITTLE_ENDIAN

crypto/md5/md5.h

@@ -72,19 +72,10 @@ extern "C" {
 
 /*
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * ! MD5_LONG has to be at least 32 bits wide. If it's wider, then !
- * ! MD5_LONG_LOG2 has to be defined along.                        !
+ * ! MD5_LONG has to be at least 32 bits wide.                     !
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  */
-
-# if defined(__LP32__)
-#  define MD5_LONG unsigned long
-# elif defined(__ILP64__)
-#  define MD5_LONG unsigned long
-#  define MD5_LONG_LOG2 3
-# else
-#  define MD5_LONG unsigned int
-# endif
+# define MD5_LONG unsigned int
 
 # define MD5_CBLOCK      64
 # define MD5_LBLOCK      (MD5_CBLOCK/4)

crypto/md5/md5_locl.h

@@ -61,10 +61,6 @@
 #include <openssl/e_os2.h>
 #include <openssl/md5.h>
 
-#ifndef MD5_LONG_LOG2
-# define MD5_LONG_LOG2 2        /* default to 32 bits */
-#endif
-
 #ifdef MD5_ASM
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) || \
      defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)

crypto/ripemd/ripemd.h

@@ -70,14 +70,7 @@ extern "C" {
 #  error RIPEMD is disabled.
 # endif
 
-# if defined(__LP32__)
-#  define RIPEMD160_LONG unsigned long
-# elif defined(__ILP64__)
-#  define RIPEMD160_LONG unsigned long
-#  define RIPEMD160_LONG_LOG2 3
-# else
-#  define RIPEMD160_LONG unsigned int
-# endif
+# define RIPEMD160_LONG unsigned int
 
 # define RIPEMD160_CBLOCK        64
 # define RIPEMD160_LBLOCK        (RIPEMD160_CBLOCK/4)

crypto/ripemd/rmd_locl.h

@@ -61,10 +61,6 @@
 #include <openssl/opensslconf.h>
 #include <openssl/ripemd.h>
 
-#ifndef RIPEMD160_LONG_LOG2
-# define RIPEMD160_LONG_LOG2 2  /* default to 32 bits */
-#endif
-
 /*
  * DO EXAMINE COMMENTS IN crypto/md5/md5_locl.h & crypto/md5/md5_dgst.c
  * FOR EXPLANATIONS ON FOLLOWING "CODE."

crypto/sha/sha.h

@@ -72,19 +72,10 @@ extern "C" {
 
 /*-
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
- * ! SHA_LONG_LOG2 has to be defined along.                        !
+ * ! SHA_LONG has to be at least 32 bits wide.                    !
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  */
-
-# if defined(__LP32__)
-#  define SHA_LONG unsigned long
-# elif defined(__ILP64__)
-#  define SHA_LONG unsigned long
-#  define SHA_LONG_LOG2 3
-# else
-#  define SHA_LONG unsigned int
-# endif
+# define SHA_LONG unsigned int
 
 # define SHA_LBLOCK      16
 # define SHA_CBLOCK      (SHA_LBLOCK*4)/* SHA treats input data as a