diff options
Diffstat (limited to 'crypto/bf/bf_locl.h')
| -rw-r--r-- | crypto/bf/bf_locl.h | 113 |
1 files changed, 5 insertions, 108 deletions
diff --git a/crypto/bf/bf_locl.h b/crypto/bf/bf_locl.h index ecdf388241..5ad9ec2949 100644 --- a/crypto/bf/bf_locl.h +++ b/crypto/bf/bf_locl.h @@ -58,52 +58,6 @@ #ifndef HEADER_BF_LOCL_H # define HEADER_BF_LOCL_H # include <openssl/opensslconf.h> -# include "internal/bf_conf.h" - -# undef c2l -# define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ - l|=((unsigned long)(*((c)++)))<< 8L, \ - l|=((unsigned long)(*((c)++)))<<16L, \ - l|=((unsigned long)(*((c)++)))<<24L) - -/* NOTE - c is not incremented as per c2l */ -# undef c2ln -# define c2ln(c,l1,l2,n) { \ - c+=n; \ - l1=l2=0; \ - switch (n) { \ - case 8: l2 =((unsigned long)(*(--(c))))<<24L; \ - case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ - case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ - case 5: l2|=((unsigned long)(*(--(c)))); \ - case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ - case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ - case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ - case 1: l1|=((unsigned long)(*(--(c)))); \ - } \ - } - -# undef l2c -# define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ - *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ - *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ - *((c)++)=(unsigned char)(((l)>>24L)&0xff)) - -/* NOTE - c is not incremented as per l2c */ -# undef l2cn -# define l2cn(l1,l2,c,n) { \ - c+=n; \ - switch (n) { \ - case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ - case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ - case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ - case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ - case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ - case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ - case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ - case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ - } \ - } /* NOTE - c is not incremented as per n2l */ # define n2ln(c,l1,l2,n) { \ @@ -153,69 +107,12 @@ * to lookup array 0 */ -# if defined(BF_PTR2) - -/* - * This is basically a special Intel version. Point is that Intel - * doesn't have many registers, but offers a reach choice of addressing - * modes. So we spare some registers by directly traversing BF_KEY - * structure and hiring the most decorated addressing mode. The code - * generated by EGCS is *perfectly* competitive with assembler - * implementation! - */ -# define BF_ENC(LL,R,KEY,Pi) (\ - LL^=KEY[Pi], \ - t= KEY[BF_ROUNDS+2 + 0 + ((R>>24)&0xFF)], \ - t+= KEY[BF_ROUNDS+2 + 256 + ((R>>16)&0xFF)], \ - t^= KEY[BF_ROUNDS+2 + 512 + ((R>>8 )&0xFF)], \ - t+= KEY[BF_ROUNDS+2 + 768 + ((R )&0xFF)], \ - LL^=t \ - ) - -# elif defined(BF_PTR) - -# ifndef BF_LONG_LOG2 -# define BF_LONG_LOG2 2 /* default to BF_LONG being 32 bits */ -# endif -# define BF_M (0xFF<<BF_LONG_LOG2) -# define BF_0 (24-BF_LONG_LOG2) -# define BF_1 (16-BF_LONG_LOG2) -# define BF_2 ( 8-BF_LONG_LOG2) -# define BF_3 BF_LONG_LOG2 /* left shift */ - -/* - * This is normally very good on RISC platforms where normally you - * have to explicitly "multiply" array index by sizeof(BF_LONG) - * in order to calculate the effective address. This implementation - * excuses CPU from this extra work. Power[PC] uses should have most - * fun as (R>>BF_i)&BF_M gets folded into a single instruction, namely - * rlwinm. So let'em double-check if their compiler does it. - */ - -# define BF_ENC(LL,R,S,P) ( \ - LL^=P, \ - LL^= (((*(BF_LONG *)((unsigned char *)&(S[ 0])+((R>>BF_0)&BF_M))+ \ - *(BF_LONG *)((unsigned char *)&(S[256])+((R>>BF_1)&BF_M)))^ \ - *(BF_LONG *)((unsigned char *)&(S[512])+((R>>BF_2)&BF_M)))+ \ - *(BF_LONG *)((unsigned char *)&(S[768])+((R<<BF_3)&BF_M))) \ - ) -# else - -/* - * This is a *generic* version. Seem to perform best on platforms that - * offer explicit support for extraction of 8-bit nibbles preferably - * complemented with "multiplying" of array index by sizeof(BF_LONG). - * For the moment of this writing the list comprises Alpha CPU featuring - * extbl and s[48]addq instructions. - */ - -# define BF_ENC(LL,R,S,P) ( \ +# define BF_ENC(LL,R,S,P) ( \ LL^=P, \ - LL^=((( S[ ((int)(R>>24)&0xff)] + \ - S[0x0100+((int)(R>>16)&0xff)])^ \ - S[0x0200+((int)(R>> 8)&0xff)])+ \ - S[0x0300+((int)(R )&0xff)])&0xffffffffL \ + LL^=((( S[ ((R>>24)&0xff)] + \ + S[0x0100+((R>>16)&0xff)])^ \ + S[0x0200+((R>> 8)&0xff)])+ \ + S[0x0300+((R )&0xff)])&0xffffffffU \ ) -# endif #endif |