Remove outdated legacy crypto options

Many options for supporting optimizations for legacy crypto on legacy
platforms have been removed.  This simplifies the source code and
does not really penalize anyone.
        DES_PTR (always on)
        DES_RISC1, DES_RISC2 (always off)
        DES_INT (always 'unsigned int')
        DES_UNROLL (always on)
        BF_PTR (always on) BF_PTR2 (removed)
        MD2_CHAR, MD2_LONG (always 'unsigned char')
        IDEA_SHORT, IDEA_LONG (always 'unsigned int')
        RC2_SHORT, RC2_LONG (always 'unsigned int')
        RC4_LONG (only int and char (for assembler) are supported)
        RC4_CHUNK (always long), RC_CHUNK_LL (removed)
        RC4_INDEX (always on)
And also make D_ENCRYPT macro more clear (@appro)

This is done in consultation with Andy.

Reviewed-by: Andy Polyakov <appro@openssl.org>

1 files changed, 1 insertions, 40 deletions

diff --git a/Configurations/README b/Configurations/README
index c4a741361e..5e544b194d 100644
--- a/Configurations/README
+++ b/Configurations/README
@@ -126,52 +126,13 @@ In each table entry, the following keys are significant:
                            source.
                            The valid words are:
 
-                           DES_PTR      use a pointer to DES_SPtrans
-                                        rather that DES_SPtrans
-                                        directly in D_ENCRYPT.
-                           DES_RISC1    Alternate implementations of
-                           DES_RISC2    D_ENCRYPT for certain RISC
-                                        processors.
-                           DES_UNROLL   do not loop around calls to
-                                        D_ENCRYPT.
-                           DES_INT      have unsigned int as the
-                                        integer type for DES rather
-                                        than unsigned long.
                            BN_LLONG     use 'unsigned long long' in
                                         some bignum calculations.
                                         This has no value when
                                         SIXTY_FOUR_BIT or
                                         SIXTY_FOUR_BIT_LONG is given.
-                           RC4_CHAR     makes the basic RC4 unif of
+                           RC4_CHAR     makes the basic RC4 unit of
                                         calculation an unsigned char.
-                           RC4_LONG     makes the basic RC4 unif of
-                                        calculation an unsigned long.
-                           RC4_INDEX    go through input and output
-                                        data by indexing into them
-                                        rather than incrementing the
-                                        pointer.
-                           RC4_CHUNK    sets the chunk type to
-                                        unsigned long.
-                           RC4_CHUNK_LL sets the chunk type to
-                                        unsigned long long.
-                                        both these chunk sizes are for
-                                        handling data in chunks on
-                                        processors that do not have
-                                        byte load/store instructions.
-                           MD2_CHAR     makes the basic MD2 unit of
-                                        calculation an unsigned char.
-                           MD2_LONG     makes the basic MD2 unit of
-                                        calculation an unsigned long.
-                           IDEA_SHORT   makes the basic IDEA unit of
-                                        calculation an unsigned short.
-                           IDEA_LONG    makes the basic IDEA unit of
-                                        calculation an unsigned long.
-                           RC2_SHORT    makes the basic RC2 unit of
-                                        calculation an unsigned short.
-                           RC2_LONG     makes the basic RC2 unit of
-                                        calculation an unsigned long.
-                           BF_PTR       use different pointer based
-                           BF_PTR2      versions of BF_ENC.
                            SIXTY_FOUR_BIT       processor registers
                                                 are 64 bits, long is
                                                 32 bits, long long is