diff options
Diffstat (limited to 'freebsd/crypto/openssl/crypto/bn/bn_gf2m.c')
| -rw-r--r-- | freebsd/crypto/openssl/crypto/bn/bn_gf2m.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/freebsd/crypto/openssl/crypto/bn/bn_gf2m.c b/freebsd/crypto/openssl/crypto/bn/bn_gf2m.c index 74726f55..a2b29e3c 100644 --- a/freebsd/crypto/openssl/crypto/bn/bn_gf2m.c +++ b/freebsd/crypto/openssl/crypto/bn/bn_gf2m.c @@ -38,7 +38,7 @@ */ /* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. + * Copyright (c) 1998-2018 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -105,30 +105,32 @@ */ # define MAX_ITERATIONS 50 -static const BN_ULONG SQR_tb[16] = { 0, 1, 4, 5, 16, 17, 20, 21, - 64, 65, 68, 69, 80, 81, 84, 85 -}; +# define SQR_nibble(w) ((((w) & 8) << 3) \ + | (((w) & 4) << 2) \ + | (((w) & 2) << 1) \ + | ((w) & 1)) + /* Platform-specific macros to accelerate squaring. */ # if defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG) # define SQR1(w) \ - SQR_tb[(w) >> 60 & 0xF] << 56 | SQR_tb[(w) >> 56 & 0xF] << 48 | \ - SQR_tb[(w) >> 52 & 0xF] << 40 | SQR_tb[(w) >> 48 & 0xF] << 32 | \ - SQR_tb[(w) >> 44 & 0xF] << 24 | SQR_tb[(w) >> 40 & 0xF] << 16 | \ - SQR_tb[(w) >> 36 & 0xF] << 8 | SQR_tb[(w) >> 32 & 0xF] + SQR_nibble((w) >> 60) << 56 | SQR_nibble((w) >> 56) << 48 | \ + SQR_nibble((w) >> 52) << 40 | SQR_nibble((w) >> 48) << 32 | \ + SQR_nibble((w) >> 44) << 24 | SQR_nibble((w) >> 40) << 16 | \ + SQR_nibble((w) >> 36) << 8 | SQR_nibble((w) >> 32) # define SQR0(w) \ - SQR_tb[(w) >> 28 & 0xF] << 56 | SQR_tb[(w) >> 24 & 0xF] << 48 | \ - SQR_tb[(w) >> 20 & 0xF] << 40 | SQR_tb[(w) >> 16 & 0xF] << 32 | \ - SQR_tb[(w) >> 12 & 0xF] << 24 | SQR_tb[(w) >> 8 & 0xF] << 16 | \ - SQR_tb[(w) >> 4 & 0xF] << 8 | SQR_tb[(w) & 0xF] + SQR_nibble((w) >> 28) << 56 | SQR_nibble((w) >> 24) << 48 | \ + SQR_nibble((w) >> 20) << 40 | SQR_nibble((w) >> 16) << 32 | \ + SQR_nibble((w) >> 12) << 24 | SQR_nibble((w) >> 8) << 16 | \ + SQR_nibble((w) >> 4) << 8 | SQR_nibble((w) ) # endif # ifdef THIRTY_TWO_BIT # define SQR1(w) \ - SQR_tb[(w) >> 28 & 0xF] << 24 | SQR_tb[(w) >> 24 & 0xF] << 16 | \ - SQR_tb[(w) >> 20 & 0xF] << 8 | SQR_tb[(w) >> 16 & 0xF] + SQR_nibble((w) >> 28) << 24 | SQR_nibble((w) >> 24) << 16 | \ + SQR_nibble((w) >> 20) << 8 | SQR_nibble((w) >> 16) # define SQR0(w) \ - SQR_tb[(w) >> 12 & 0xF] << 24 | SQR_tb[(w) >> 8 & 0xF] << 16 | \ - SQR_tb[(w) >> 4 & 0xF] << 8 | SQR_tb[(w) & 0xF] + SQR_nibble((w) >> 12) << 24 | SQR_nibble((w) >> 8) << 16 | \ + SQR_nibble((w) >> 4) << 8 | SQR_nibble((w) ) # endif # if !defined(OPENSSL_BN_ASM_GF2m) |