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-rw-r--r--CryptoPP/blowfish.cpp99
1 files changed, 0 insertions, 99 deletions
diff --git a/CryptoPP/blowfish.cpp b/CryptoPP/blowfish.cpp
deleted file mode 100644
index aaa637cca..000000000
--- a/CryptoPP/blowfish.cpp
+++ /dev/null
@@ -1,99 +0,0 @@
-// blowfish.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "blowfish.h"
-#include "misc.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void Blowfish::Base::UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs &)
-{
- AssertValidKeyLength(keylength);
-
- unsigned i, j=0, k;
- word32 data, dspace[2] = {0, 0};
-
- memcpy(pbox, p_init, sizeof(p_init));
- memcpy(sbox, s_init, sizeof(s_init));
-
- // Xor key string into encryption key vector
- for (i=0 ; i<ROUNDS+2 ; ++i)
- {
- data = 0 ;
- for (k=0 ; k<4 ; ++k )
- data = (data << 8) | key_string[j++ % keylength];
- pbox[i] ^= data;
- }
-
- crypt_block(dspace, pbox);
-
- for (i=0; i<ROUNDS; i+=2)
- crypt_block(pbox+i, pbox+i+2);
-
- crypt_block(pbox+ROUNDS, sbox);
-
- for (i=0; i<4*256-2; i+=2)
- crypt_block(sbox+i, sbox+i+2);
-
- if (!IsForwardTransformation())
- for (i=0; i<(ROUNDS+2)/2; i++)
- std::swap(pbox[i], pbox[ROUNDS+1-i]);
-}
-
-// this version is only used to make pbox and sbox
-void Blowfish::Base::crypt_block(const word32 in[2], word32 out[2]) const
-{
- word32 left = in[0];
- word32 right = in[1];
-
- const word32 *const s=sbox;
- const word32 *p=pbox;
-
- left ^= p[0];
-
- for (unsigned i=0; i<ROUNDS/2; i++)
- {
- right ^= (((s[GETBYTE(left,3)] + s[256+GETBYTE(left,2)])
- ^ s[2*256+GETBYTE(left,1)]) + s[3*256+GETBYTE(left,0)])
- ^ p[2*i+1];
-
- left ^= (((s[GETBYTE(right,3)] + s[256+GETBYTE(right,2)])
- ^ s[2*256+GETBYTE(right,1)]) + s[3*256+GETBYTE(right,0)])
- ^ p[2*i+2];
- }
-
- right ^= p[ROUNDS+1];
-
- out[0] = right;
- out[1] = left;
-}
-
-void Blowfish::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- typedef BlockGetAndPut<word32, BigEndian> Block;
-
- word32 left, right;
- Block::Get(inBlock)(left)(right);
-
- const word32 *const s=sbox;
- const word32 *p=pbox;
-
- left ^= p[0];
-
- for (unsigned i=0; i<ROUNDS/2; i++)
- {
- right ^= (((s[GETBYTE(left,3)] + s[256+GETBYTE(left,2)])
- ^ s[2*256+GETBYTE(left,1)]) + s[3*256+GETBYTE(left,0)])
- ^ p[2*i+1];
-
- left ^= (((s[GETBYTE(right,3)] + s[256+GETBYTE(right,2)])
- ^ s[2*256+GETBYTE(right,1)]) + s[3*256+GETBYTE(right,0)])
- ^ p[2*i+2];
- }
-
- right ^= p[ROUNDS+1];
-
- Block::Put(xorBlock, outBlock)(right)(left);
-}
-
-NAMESPACE_END